Locksmith for the assembly of metal structures 4 category instruction. Locksmith - assembler of radio-electronic equipment and devices

§ 139. Locksmith for the assembly of metal structures of the 2nd category

Job Description. Cutting and manual cutting of wire, blanks from sheet and section metal. Sawing and deburring. Participation under the guidance of a more highly qualified fitter in the performance of certain simple and medium complexity works and operations for the assembly of metal structures and during their testing. Manufacture of simple parts from bar and sheet metal. Marking parts on simple templates. Driving and cutting threads by hand with taps and dies. Alignment of racks for assembly. Installation of bolts and studs in matching holes of metal structures. Assembly of simple assemblies of metal structures for welding and riveting according to drawings and sketches using universal assembly and special devices. Tacking parts during assembly by electric welding. Drilling, reaming and reaming holes of small parts according to the marking on the machine and portable mechanized tools. Editing of details and knots of a metalwork.

Must know: name and purpose of metalwork and measuring tools and fixtures and their use; ways to refuel metalwork tools; techniques for performing simple and medium complexity plumbing operations and the process of assembling simple and medium complexity assemblies of metal structures; device and rules for the operation of lifting and transport devices, working and measuring instruments and devices; technological process, methods and techniques for assembling, fitting, checking and straightening metal structures; system of admissions and landings; properties, grades and assortment of materials and pipes used; methods of joining parts for welding; rules and types of marking of assembled units.

Work examples

1. Cylindrical tanks and vessels operating under pressure up to 5 MPa (60 kgf / sq. cm) - assembly and hydraulic testing.

2. Details from sheet and strip steel - marking according to the template, editing.

3. Sheet steel parts - bending.

4. Parts made of section steel of all profiles with a thickness of up to and over 6 mm - cutting, felling

5. Details are different - filing free sizes, cutting at angles, drilling according to the markup.

6. Small-sized casings - assembly.

7. Caps, lids, brushes, vessels, funnels, boxes, cabinets of all sizes - preparation, straightening and assembly of parts for welding.

8. Sheet and profile metal - drilling, cutting on guillotine and press shears, joining for welding.

9. Strip and twisted metal - bending and stripping after flame cutting.

10. Butt plates, stiffeners, temporary bolts - installation.

11. Supports and frames for devices - assembly.

12. Gaskets of simple and complex configuration made of sheet steel, cardboard, asbestos, clinogerite, rubber - cutting and cutting by hand marking.

13. Staples made of material of different sections - bending in the fixture.

14. Welded racks - assembly for welding.

15. Belt conveyors - assembly of metal structures.

16. Pipe fittings with flanges - assembly.

17. Metal cabinets and shelves - assembly.

§ 140. Locksmith for the assembly of metal structures of the 3rd category

Job Description. Assembly of metal structures of medium complexity for welding and riveting according to drawings and sketches using universal fixtures, as well as assembly of complex metal structures using universal assembly and special fixtures and templates. Adjustment of sealing surfaces. Marking places for the installation of simple basic parts and assemblies of metal structures. Assembly of complex metal structures together with a locksmith and an electric welder of higher qualification. Editing parts and assemblies of metal structures of medium complexity. Hydraulic and pneumatic testing of metal structures of medium complexity, working under pressure.

Must know: methods of marking places for the installation of basic parts and assemblies of metal structures; constructive arrangement of devices used in assembly; methods of sharpening metalwork tools; state standards for the materials used; a system of tolerances, landings and their designation on the drawings; requirements for the work performed; rules for working with a gas cutter and an electric welding machine; the sequence and methods of assembly on assembly racks and on copier conductors; range and steel grades.

Work examples

1. Low-pressure apparatus with detachable connections - assembly.

2. Oil tanks - manufacturing and assembly.

3. Cylindrical tanks and other vessels operating under pressure over 5 to 15 MPa (50 to 150 kgf / sq. cm) - assembly and hydraulic testing.

4. I-beams for monorails - assembly.

5. Baths of rolling equipment and oil reducers, pouring ladles of various capacities - assembly for welding.

6. Collector insulation - manufacturing and assembly of parts.

7. Lamellar and suspended conveyors - assembly of metal structures.

8. Door and window frames and metal doors with a rigid frame - assembly.

9. Cases of counterweights - assembly for welding.

10. Stairs, platforms, girders, walls of bunkers, decking, metal railings from pipes and tees, brake sheets, fences, sliding supports, gratings - assembly.

11. Cylindrical and conical shells made of sheet metal - bending.

12. Settlers, measuring tanks, collections - assembly.

13. Foundation slabs - assembly.

14. Louvre grilles, decking for openings, bar racks for fastening conductors, conductor for anchor bolts - assembly.

15. I-section bars - assembly of metal structures.

16. Farms - assembly on a copier.

§ 141. Locksmith for the assembly of metal structures of the 4th category

Job Description. Assembly of complex units of metal structures for welding and riveting according to drawings and assembly schemes using universal fixtures, as well as assembly of complex units of metal structures using universal assembly and special fixtures and templates. Marking places for the installation of complex basic parts and assemblies of metal structures. Editing complex and complex parts and assemblies of metal structures. Cleaning for gumming welds with a manual pneumatic grinder. Participation in the assembly of experimental and unique units of metal structures under the guidance of a more highly qualified locksmith. Hydraulic and pneumatic testing of complex components of metal structures operating under pressure. Elimination of defects found after testing complex assemblies of metal structures. Drawing up sketches and assembly schemes. Assembly, lifting and installation with a temporary distribution of metal structures in various positions at various heights.

Must know: technical conditions for the assembly of complex metal structures; system of admissions and landings; quality and roughness parameters; the effect of heating metals (during welding) on ​​their deformation; symbols for welds; methods of alignment of complex steel structures; installation rules and arrangement of lifting mechanisms and devices; methods for straightening complex metal structures in fixtures using templates and according to drawings; device and rules for setting up manual pneumatic machines.

Work examples

1. A-shaped excavator farms - assembly of individual units.

2. Cylindrical tanks and other vessels operating under pressure over 15 to 30 MPa (150 to 300 kgf / sq. cm) - assembly and hydrotesting.

3. Tanks of tee, box-shaped and lattice section for load-bearing metal structures - assembly.

4. Mixer bandages - assembly.

5. Mixing drums with internal spirals - assembly.

6. Shafts of cellular disc vacuum filters made of high-alloy steel - assembly.

7. Auger screws - assembly.

8. Drilling towers - assembly of individual parts of metal structures.

9. Gas holders, air collectors and water separators - assembly.

10. Gas pipelines - assembly.

11. Turbine casing frames - assembly.

12. Frames and casings of industrial furnaces and dryers - assembly.

13. Protective covers - assembly, installation.

14. Structures of load-bearing bridges of pipelines - assembly.

15. Conductor, copiers for farms - assembly.

16. Cases of evaporators and condensers - assembly with spherical bottoms and fittings for welding.

17. Cranes with a lifting capacity of up to 100 tons - assembly of structures and individual units.

18. Monorails - assembly.

19. Lattice supports - assembly.

20. Overall welded tanks - assembly.

21. Ties and spacers - assembly.

22. Sections of nozzles of dryer drums - assembly.

23. Traverses - assembly for welding.

24. Half-timbered houses - assembly of girders and elements.

25. Refrigerators and inclined machines for blast furnaces - manufacturing and assembly.

26. Cabinets and drawers (waterproof) - assembly.

27. Electric blowers and turbo blowers - assembly.

28. Elements of radio towers, power line supports - assembly.

29. Elevators, smoke exhausters, exhausters - assembly.

§ 142. Locksmith for the assembly of metal structures of the 5th category

Job Description. Assembly of complex units of metal structures for welding and riveting according to drawings and assembly schemes using universal and special fixtures and templates. Marking places for the installation of complex basic parts and assemblies of metal structures. Leveling and alignment of assembled metal structures. Construction of simple geometric shapes according to assembly schemes and sketches. Assembly of experimental and unique units of metal structures. Hydraulic and pneumatic testing of complex components of metal structures operating under pressure. Elimination of defects found after testing complex assemblies of metal structures.

Must know: the appointment of various kinds of complex metal structures; operating conditions of lifting and transport devices, methods for determining their reliability; mechanical properties of base metals; allowable tensile, bending, compression forces; mechanical characteristics of the lifting mechanisms used; methods of performing rigging and welding work; the procedure for organizing work on the assembly of complex metal structures; ways to mark up complex sweeps.

Work examples

1. Excavator base - assembly.

2. Water tanks, gas ducts, bunkers and chimneys - assembly.

3. Cylindrical tanks and other vessels operating under pressure over 30 MPa (300 kgf / sq. cm) - assembly and hydrotesting.

4. Main and end beams of overhead cranes - assembly.

5. Drums: coal grinding, ore grinding mills, mine machines - assembly.

6. Towers and frames of scoop dredgers - manufacturing of details.

7. Car dumpers - assembly.

8. Sluice gates - assembly.

9. Thin-walled telescopic casings made of special steels - assembly.

10. Metal structures (trusses, columns, rafters, blocks, casings) - assembly, verification of all structures.

11. Bridge structures - assembly.

12. Building structures - control and enlarged assembly, reconciliation.

13. Containers with a carrying capacity of more than 0.5 tons and organizational equipment with mechanical, telescopic and other drives for moving or lifting loads - manufacturing, assembly, adjustment and testing.

14. Mine pile drivers - production of details.

15. Cases of heat exchangers - assembly.

16. Cases of cement, metallurgical and other furnaces of complex structures - verification of the complete assembly.

17. Cases of electrostatic precipitators - assembly.

18. Cranes with a lifting capacity of over 100 tons - assembly of structures and individual units.

19. Mechanisms for turning excavators, reloaders, portal cranes - control assembly.

20. Nozzle of dryers - installation in the case.

21. Models of simulators intended for training workers (crane and lift operators) - manufacturing, assembly, adjustment and testing.

22. Technological tooling designed for the manufacture, assembly and testing of prototypes - manufacturing.

23. Furnaces for heat treatment - production of parts and installation.

24. Open-hearth furnaces - assembly of metal structures.

25. Automatic filter press plates - assembly.

26. High pressure heaters - assembly.

27. Reactors, autoclaves, multi-chamber tunnel dryers - assembly.

28. High pressure tanks - assembly.

29. Sections of the elevator housing - assembly.

30. Shells and suction dredgers with a capacity of up to 300 cubic meters. m/h - assembly.

31. Compound shelving, chairs and armchairs with movement in three planes - manufacturing, assembly, testing.

32. A-shaped excavator farms - general assembly.

33. Automatic filter presses - general installation.

34. Tanks - assembly.

35. High power walking excavators - assembly.

§ 143. Locksmith for the assembly of metal structures of the 6th category

Job Description. Assembly, adjustment, testing and delivery in accordance with the technical specifications of complex metal structures, as well as experimental and unique components of metal structures that require increased accuracy of assembly work. Construction of complex geometric shapes according to assembly schemes and sketches. Participation in the preparation of a passport for the assembled units of metal structures. Hydraulic and pneumatic testing of experimental and unique units of metal structures operating under pressure. Verification of the correct assembly of metal structures of varying complexity with the removal of operational diagrams and characteristics.

Must know: fundamentals of heat engineering, mechanics, geometry and trigonometry; the principle of operation and rules for the operation of complex metal structures; equipment, complex tools, fixtures and various devices used in the assembly of metal structures; the sequence of assembly of metal structures; requirements for the assembly of structures and products subject to special tests; technology and specifications for the assembly of metal structures.

Work examples

1. Autoclaves, recuperators, muffleless, tempering and quenching units - production of units and installation.

2. Complex design heat exchangers - manufacturing of pipe systems, general assembly, installation and testing.

3. Casings of blast furnaces, domes of air heaters, inclined bridges of blast furnaces - control and enlarged assembly.

4. Supports of heavy power lines - control and enlarged assembly.

5. Supports of tubular structures (telemasts, radio masts) - assembly.

6. Shells and suction dredgers with a capacity of more than 300 cubic meters. m/h - assembly.

7. Annular air ducts, tangential inlets, elliptical branch pipes - assembly.

This job description was developed and approved in accordance with the provisions of the Labor Code of the Russian Federation, the Unified Tariff and Qualification Handbook of Works and Professions of Workers, Issue 2, Sections: “Foundry Works”, “Welding Works”, “Boiler, Cold Forging, Drawing and Spinning Works” , "Forging and pressing and thermal work", "Machining of metals and other materials", "Metal coating and painting", "Enameling", "Locksmith and locksmith and assembly work", part 2, sections: "Machining of metals and other materials ”, “Metal coating and painting”, “Enameling”, “Locksmith and locksmith and assembly work”, approved by the Decree of the Ministry of Labor of the Russian Federation of November 15, 1999 N 45; List of industries, shops, professions and positions with harmful working conditions, work in which gives the right to additional leave and a shorter working day, approved by the Decree of the USSR State Labor Committee and the Presidium of the All-Union Central Council of Trade Unions of October 25, 1974 N 298 / P-22; Order of the Ministry of Health and Social Development of the Russian Federation of 03.10.2008 N 543n “On Approval of the Model Norms for the Free Issue of Certified Special Clothing, Special Footwear and Other Personal Protective Equipment to Housing and Communal Services Workers Employed in Works with Harmful and (or) Dangerous Conditions labor, as well as work performed in special temperature conditions or associated with pollution”; Order of the Ministry of Health and Social Development of the Russian Federation of December 14, 2010 N 1104n “On Approval of the Standard Norms for the Free Issue of Special Clothing, Special Footwear and Other Personal Protective Equipment to Employees of Machine-Building and Metalworking Industries Employed in Works with Harmful and (or) Dangerous Working Conditions , as well as at work performed in special temperature conditions or associated with pollution, ”and other regulatory legal acts regulating labor relations.

1. General Provisions

1.1. The metalwork assembly fitter of the 4th category belongs to the category of workers and directly reports to [name of the position of the immediate supervisor].

1.2. A person with a secondary vocational education and work experience in the specialty of at least [value] years is accepted for the position of a metalworker for the assembly of metal structures of the 4th category.

1.3. A metal structure assembly fitter of the 4th category is appointed to the position and dismissed from it by order of [name of the position of the head].

1.4. A steel structure assembly fitter of the 4th category must know:

- the name and purpose of metalwork and measuring tools and devices and their use;

— ways of refueling metalwork tools;

— techniques for performing simple and medium complexity plumbing operations and the process of assembling simple and medium complexity assemblies of metal structures;

- devices and rules for the operation of lifting and transport devices, working and measuring instruments and devices;

- technological process, methods and techniques of assembly, fitting, checking and editing of metal structures;

- a system of tolerances, landings and their designation on the drawings;

- properties, grades and assortment of materials and pipes used;

- methods of joining parts for welding;

- rules and types of marking of assembled units;

– methods of marking places for the installation of basic parts and assemblies of metal structures;

- constructive arrangement of devices used in assembly;

- methods of sharpening metalwork tools;

— state standards for the materials used;

- requirements for the work performed;

- rules for working with a gas cutter and an electric welding machine;

- the sequence and methods of assembly on assembly racks and on copier conductors;

— assortment and grades of steels;

— technical conditions for the assembly of complex metal structures;

— grades and parameters of roughness;

- the effect of heating metals (during welding) on ​​their deformation;

- symbols for welds;

- methods of alignment of complex steel structures;

- installation rules and arrangement of lifting mechanisms and devices;

– methods of straightening complex metal structures in fixtures using templates and according to drawings;

- device and rules for setting up manual pneumatic machines;

— basics of labor legislation;

- internal labor regulations;

- rules of sanitary and personal hygiene;

— rules and regulations of labor protection, safety and fire protection;

- rules for the use of personal protective equipment;

— requirements for the quality of work (services) performed;

- requirements for the rational organization of labor in the workplace;

- types of marriage and ways to prevent and eliminate it;

- production signaling.

2. Job responsibilities

The following duties are assigned to the locksmith for the assembly of metal structures of the 4th category:

2.1. Cutting and manual cutting of wire, blanks from sheet and section metal.

2.2. Sawing and deburring.

2.3. Assembly of complex metal structures together with a locksmith and an electric welder of higher qualification.

2.4. Manufacture of simple parts from bar and sheet metal.

2.5. Marking parts on simple templates.

2.6. Driving and cutting threads by hand with taps and dies.

2.7. Alignment of racks for assembly.

2.8. Installation of bolts and studs in matching holes of metal structures.

2.9. Assembly of simple assemblies of metal structures for welding and riveting according to drawings and sketches using universal assembly and special devices.

2.10. Tacking parts during assembly by electric welding.

2.11. Drilling, reaming and reaming holes of small parts according to the marking on the machine and portable mechanized tools.

2.12. Editing of parts and assemblies of metal structures, regardless of complexity.

2.13. Assembly of metal structure units, regardless of complexity, for welding and riveting according to drawings, sketches and assembly diagrams using universal fixtures, as well as assembly of complex metal structure units using universal assembly and special fixtures and templates.

2.14. Adjustment of sealing surfaces.

2.15. Marking places for the installation of basic parts, regardless of the complexity and nodes of metal structures.

2.16. Hydraulic and pneumatic testing of metal structures, regardless of complexity, working under pressure.

2.17. Cleaning for gumming welds with a manual pneumatic grinder.

2.18. Participation in the assembly of experimental and unique units of metal structures under the guidance of a more highly qualified locksmith.

2.19. Elimination of defects found after testing complex assemblies of metal structures.

2.20. Drawing up sketches and assembly schemes.

2.21. Assembly, lifting and installation with a temporary distribution of metal structures in various positions at various heights.

2.22. Management of workers of lower ranks of the same profession.

2.23. Performing work on the acceptance and delivery of the shift, cleaning the workplace, fixtures, tools, as well as maintaining them in proper condition, maintaining the established technical documentation.

2.24. [Other Job Responsibilities].

3. Types of work

Metalworker of the 4th category performs the following types of work:

3.1. Cylindrical tanks and vessels operating under pressure up to 30 MPa (up to 300 kgf / sq. cm) - assembly and hydraulic testing.

3.2. Details from sheet and strip steel - marking according to the template, editing.

3.3. Sheet steel parts - bending.

3.4. Parts made of section steel of all profiles with a thickness of up to and over 6 mm - cutting, felling.

3.5. The details are different - filing free sizes, cutting at angles, drilling according to the markup.

3.6. Small-sized casings - assembly.

3.7. Caps, lids, brushes, vessels, funnels, boxes, cabinets of all sizes - preparation, straightening and assembly of parts for welding.

3.8. Sheet and profile metal - drilling, cutting on guillotine and press shears, docking for welding.

3.9. Strip and twisted metal - bending and stripping after flame cutting.

3.10. Butt plates, stiffeners, temporary bolts - installation.

3.11. Supports and frames for devices - assembly.

3.12. Gaskets of simple and complex configurations made of sheet steel, cardboard, asbestos, clinogerite, rubber - cutting and cutting out by hand marking.

3.13. Staples made of material of different sections - bending in the fixture.

3.14. Welded racks - assembly for welding.

3.15. Belt conveyors - assembly of metal structures.

3.16. Pipe fittings with flanges - assembly.

3.17. Metal cabinets and shelves - assembly.

3.18. Low-pressure apparatus with detachable connections - assembly.

3.19. Oil tanks - manufacturing and assembly.

3.20. I-beams for monorails - assembly.

3.21. Baths of rolling equipment and oil reducers, pouring ladles of various capacities - assembly for welding.

3.22. Collector insulation - manufacturing and assembly of parts.

3.23. Lamellar and suspended conveyors - assembly of metal structures.

3.24. Door and window frames and metal doors with a rigid frame - assembly.

3.25. Counterweight housings - assembly for welding.

3.26. Stairs, platforms, girders, bunker walls, decking, metal railings from pipes and tees, brake sheets, fences, sliding supports, gratings - assembly.

3.27. Cylindrical and conical shells made of sheet metal - bending.

3.28. Settlers, measuring tanks, collections - assembly.

3.29. Foundation slabs - assembly.

3.30. Louvre grilles, flooring for openings, bar racks for fastening conductors, conductor for anchor bolts - assembly.

3.31. I-section bars - assembly of metal structures.

3.32. Farms - assembly on a copier.

3.33. A-shaped excavator farms - assembly of individual units.

3.34. Tanks of tee, box-shaped and lattice section for load-bearing metal structures - assembly.

3.35. Mixer bandages - assembly.

3.36. Mixing drums with internal spirals - assembly.

3.37. Shafts of cellular disc vacuum filters made of high-alloy steel - assembly.

3.38. Auger screws - assembly.

3.39. Drilling towers - assembly of individual parts of metal structures.

3.40. Gas holders, air collectors and water separators - assembly.

3.41. Gas pipelines - assembly.

3.42. Turbine casing frames - assembly.

3.43. Frames and casings of industrial furnaces and dryers - assembly.

3.44. Protective covers - assembly, installation.

3.45. Structures of load-bearing bridges of pipelines - assembly.

3.46. Conductor, copiers for farms - assembly.

3.47. Bodies of evaporators and condensates - assembly with spherical bottoms and fittings for welding.

3.48. Cranes with a lifting capacity of up to 100 tons - assembly of structures and individual units.

3.49. Monorails - assembly.

3.50. Lattice supports - assembly.

3.51. Overall welded tanks - assembly.

3.52. Ties and spacers - assembly.

3.53. Tumble Dryer Nozzle Sections - Assembly.

3.54. Traverses - assembly for welding.

3.55. Half-timbered houses - an assembly of girders and elements.

3.56. Refrigerators and inclined machines for blast furnaces - production and assembly.

3.57. Cabinets and Drawers (Waterproof) - Assembly.

3.58. Electric blowers and turbo blowers - assembly.

3.59. Elements of radio towers, power line supports - assembly.

3.60. Elevators, smoke exhausters, exhausters - assembly.

4. Rights

Metalworker of the 4th category has the right to:

4.1. For all social guarantees provided for by the legislation of the Russian Federation.

4.2. For extra leave.

4.3. For the free issue of special clothing, special footwear and other personal protective equipment.

4.4. Payment of additional expenses for medical, social and professional rehabilitation in cases of damage to health due to an accident at work and occupational disease.

4.5. Demand the creation of conditions for the performance of professional duties, including the provision of the necessary equipment, inventory, a workplace that meets sanitary and hygienic rules and regulations, etc.

4.6. Require the management of the enterprise to provide assistance in the performance of their professional duties and the exercise of rights.

4.7. Get acquainted with the draft decisions of the management of the enterprise relating to its activities.

4.8. Improve your professional qualifications.

4.9. Other rights provided for by the labor legislation of the Russian Federation.

5. Responsibility

The locksmith for the assembly of metal structures of the 4th category is responsible for:

5.1. For non-fulfillment, improper fulfillment of the duties provided for by this instruction - within the limits determined by the labor legislation of the Russian Federation.

5.2. For offenses committed in the course of carrying out their activities - within the limits determined by the current administrative, criminal and civil legislation of the Russian Federation.

5.3. For causing material damage to the employer - within the limits determined by the current labor and civil legislation of the Russian Federation.

Job description for a locksmith for the assembly of metal structures of the 4th category

Job Description. Assembly of simple devices, assemblies and blocks of radio-electronic equipment and communication equipment with locksmith fitting of parts included in the assembly, under the guidance of a locksmith - assembler of radio-electronic equipment and devices of higher qualification. Cutting blanks, picking and preparing parts for assembly. Processing of planes of details on 12 - 14 qualifications. Marking, drilling, threading, bending, riveting, soldering, gluing and other simple mechanical assembly work. Performing various simple locksmith operations when refining and fitting various simple mating parts and assemblies.

Must know: basic information about the device and the principle of operation of the equipment used in the work and the rules for managing it; rules and methods for performing simple plumbing and assembly work; the purpose and conditions for the use of the most common fixtures, instrumentation and instruments, normal and special cutting tools; the main mechanical and radio engineering properties of the materials being processed and used in the assembly; basic information about processing parameters; sharpening rules for simple cutting tools; fundamentals of electrical and radio engineering.

Work examples

1. Blocks of simple waveguides, special devices, beam sets and other products - installation and fastening of boards, general assembly.

2. Antenna bushings - installation and fastening in the assembly (on the conveyor).

3. Plugs, connectors and chips - assembly.

4. Waveguides are simple - bending and metalworking.

5. Nuts, screws, threaded mandrels - installation and fastening, varnishing.

6. Plug-in sockets for insulating panels - assembly with the installation of lugs and jumpers.

7. Magnetic heads - assembly of cores.

8. Transformer coil frames - assembly.

9. Cassettes for small tape recorders - assembly.

10. Kinescopes, speakers - installation and fastening.

11. Caps for products such as FRM, FSHM; cases of PRM, PSHM type products, FMT, SA, VD type products - assembly.

12. Contacts of various types - pressing into contact springs on manual and mechanical presses and automatic machines.

13. Telephone distribution boxes - assembly.

14. Tape recorders - PGK switch assembly.

15. Dosimeter lens - assembly and flaring on the machine.

16. Panels, boards, blocks of getinax, textolite, fiberglass, etc. - installation of contact petals with flaring of hollow rivets on a machine with preliminary drilling of holes.

17. Panels, boards - flaring of pistons, bushings, petals, rivets, pins manually and on a press.

18. Multilayer printed circuit boards - cutting blanks, sawing the contour according to the template, assembly, reinforcement.

19. Rubber gaskets and from other materials - punching grooves, holes.

20. Simple relays - assembly.

21. Televisions, radios - step-by-step assembly on a conveyor.

22. Squares, brackets, strips, holders - installation and flaring of bushings, rivets.

23. Nodes for the relay - assembly.

24. Computer units and blocks (simple) - in-line and step-by-step assembly.

25. Long-distance communication equipment quartz filters - assembly on a conveyor.

26. Chassis of radio measuring instruments - assembly.

27. Cabinets - installation of sheathing with threading, fitting simple parts on single samples.

28. Shields, introductory for switching circuits - assembly.

29. ERE - blank, molding by hand.

§ 47. Locksmith - assembler of radio-electronic equipment and devices of the 3rd category

Job Description. Assembly and mechanical adjustment of units and blocks of radio-electronic equipment, devices, mechanisms and equipment of medium complexity communication facilities with locksmith processing, fitting and fine-tuning of parts within 11 - 12 qualifications. Connection of parts with rivets, screws (with marking and drilling of holes) and soldering in compliance with the requirements of the drawing. Testing of blocks of radio-electronic equipment and means of communication on vibration stands and for tightness in accordance with specifications. Checking the assembled components, mechanisms and devices for compliance with specifications and eliminating the detected defects.

Must know: device, purpose and principle of operation of the equipment used in the work, universal and special devices, control and measuring instruments and devices of medium complexity and accuracy; the purpose and principle of operation of the assembled units, blocks, devices, devices; sharpening rules for special cutting tools; basic rules and techniques for performing fitter-assembly, marking and other mechanical-assembly work of medium complexity; basic information about processing parameters; basic properties and marking of materials processed and used in the assembly; fundamentals of electrical and radio engineering.

Work examples

1. Blocks, nodes - assembly, installation in a frame, fitting in place, templates and imitators.

2. Blocks of capacitors of variable capacity, capacitors of variable capacity - assembly and caulking of stator plates, preparation of parts and assembly with adjustment of the rotor stroke and precise location of the rotor sector in the intermediate stator sectors.

3. One-way fans - assembly, adjustment.

4. Waveguides - manufacturing.

5. Contact groups - assembly with training and adjustment of the pressure gap.

6. Switching arms and shielded boards - assembly.

7. Products such as FRM, PRM, ShS-2, MGK1-1, KN-28, splitters, switches, sockets - assembly.

8. Color TV kinescopes - installation, mounting with adjustment to the front panel.

9. Remote communication equipment controllers - assembly.

10. Cases of products such as DP, FRM, FSHM - assembly.

11. Rotor, stator and magnetic circuit packages - assembly on a conveyor.

12. Front panels of receivers, TVs and other equipment - assembly, installation and fastening with adjustment in place.

13. High-frequency printed circuit boards - marking grooves, drilling docking holes and holes for the cutter to enter, sawing along the contour of curly grooves and bevels.

14. Tone dial receiver boards for long-distance communication equipment - assembly.

15. Radiators of power supplies - installation of transistors, diodes and other ERE.

16. Radio stations and mobile radio installations - installation (with local adjustment) of radio equipment in bodies (cutting windows and openings in skins), fastening brackets, frames, frames; assembly and installation of power antenna leads, laying and fastening of wires and cables.

17. Relay of medium complexity - assembly with fitting and fine-tuning of parts.

18. Deflection systems - installation on a kinescope, fastening.

19. TVs, TV blocks, radios - assembly on a conveyor (at least 50% of operations).

20. TV sets, receivers - assembly into the case.

21. Dynamic, stereo phones - assembly.

22. Transformers of all kinds - stuffing with iron, installation of a magnetic circuit and fixing the package with studs, clips, squares, ties, installation and fastening on the panel.

23. Chassis - preliminary and final assembly.

24. Power rails - assembly with setting of resists.

§ 48. Locksmith - assembler of electronic equipment and devices of the 4th category

Job Description. Assembly with mechanical adjustment of complex devices, mechanisms and equipment of communication facilities, units and blocks of radio-electronic equipment, radio devices. Scraping of base surfaces and guide elements of structures, running in of various gears and worm gears, fine-tuning and fitting of complex parts within 7-10 grades. Marking of plates, bases for the installation of mechanisms, blocks and assemblies on them, ensuring rigid fixation and correct interaction of the assembled products in accordance with the specifications. Testing of assembled mechanisms, blocks and devices of equipment and instruments, elimination of inaccuracies found during the testing process. Checking the mechanical part of the assembled products using instrumentation and tools. Manufacturing of assembly devices.

Must know: device, principle of operation of the equipment used in the work and methods for its adjustment; purpose, device and principle of operation of the assembled equipment; heat treatment rules for normal and special cutting tools; ways and methods of mechanical adjustment of the assembled equipment; basic information about processing parameters; fundamentals of electrical and radio engineering.

Work examples

1. Hitchhikers, consoles, electromagnets - assembly and mechanical adjustment.

2. Telescopic antennas - assembly with fitting.

3. Semiconductor equipment - assembly of complex components.

4. Phototelegraph devices - assembly, debugging and adjustment.

5. Blocks and subblocks of equipment for long-distance communication of high-frequency telephony - assembly.

6. Blocks of measurements - assembly.

7. Power supplies with high saturation of incoming nodes and ERE - assembly.

8. High-voltage rectifiers, amplifiers, dividers, modulators, ferrovaliometers - assembly.

9. Generators, oscilloscopes - assembly with alignment and fitting of parts.

10. Contact groups, consisting of several contact plates, assembly with forced pressure test.

11. Code discs - rubbing after pouring.

12. Products for "Video" - assembly.

13. Decade-step searchers - complete assembly, adjustment and verification.

14. Power supplies stabilized on semiconductors - assembly of complex components.

15. Flat cables - laying, connecting, checking connections in racks and frames of computer devices.

16. Cabins - assembly with marking, drilling holes, threading and fitting parts.

17. Command buttons - head assembly and adjustment.

18. Caps, casings and fiberglass - pressing in and pressing out, checking for tightness.

19. Magnetic circuits - calibration, grinding of prototypes.

20. Register mechanisms - assembly.

21. All-climatic microswitches for special radio-electronic equipment with a given switching speed on a plastic base; all-climatic "Toggle" switches for special electronic equipment - complete assembly and adjustment with checking of electrical parameters.

22. Different types of engagement couplings - assembly and adjustment.

23. Transmitters - assembly.

24. All-climatic push-button switches for printed wiring with light signaling for special radio-electronic equipment on a plastic base - assembly with checking electrical parameters.

25. PKB type switches - installation of shunts and rings.

26. Voltage converters - assembly.

27. Radio receivers - assembly and installation of complex blocks and mechanisms on one axis (tuning the antenna and scale with gearboxes).

28. Radio stations - complex assembly of blocks and nodes.

29. Reducers of medium complexity - assembly, adjustment.

30. Sealed relays (complex and especially complex) - assembly with fitting and fine-tuning of parts.

31. Waveguide sections (complex) - manufacturing.

32. Ventilation systems, antenna systems, air conditioners, air ducts, lighting - assembly and installation in the body.

33. Special equipment - assembly with installation of components.

34. Stands - assembly of experimental samples with fitting parts, assemblies.

35. Operators' tables - preliminary and final assembly.

36. Televisions - elimination of mechanical assembly defects with the change of individual components and parts.

37. Transformers: high-voltage, high-potential, all-climatic version - assembly.

38. Transformers: power, output, toroidal, personnel, sound - assembly in small-scale production.

39. Transformers and blocks of pulse transformers for hybrid-film circuits; high-frequency transformers for printed wiring circuits, pulse microtransformers; especially stable transformers and chokes - assembly.

40. Gears, bushings, adjusting rings - pinning on rollers with conical pins with pre-drilling and reaming holes for the pins.

§ 49. Locksmith - assembler of radio-electronic equipment and devices of the 5th category

Job Description. Assembly with mechanical adjustment of particularly complex assemblies, instruments, devices of radio-electronic equipment and communications equipment, consisting of several assembly units, mechanisms that are in interaction with the general kinematic and electrical circuit, with fitting and fine-tuning of parts within the 7th grade; assembly of devices according to complex kinematic schemes with eccentric mechanisms, electromagnets. Assembly with mechanical adjustment, fine-tuning and adjustment of experimental and experimental equipment samples. Assembly, running-in and adjustment of particularly complex gears with bevel, spur and worm gears. Performing assembly operations by the method of step soldering (connecting assembled parts with different brands of solders). Performing the necessary calculations related to the fitting and assembly work on the assembly of radio-electronic equipment and devices.

Must know: the device and principle of operation of the equipment used in the work, the equipment being assembled; methods for checking the accuracy of various models, mechanisms, instruments, stations and equipment; methods of mechanical and locksmith processing of especially complex and critical parts, assembly of instruments and devices; methods of mechanical adjustment of particularly complex mechanisms, instruments and instrument complexes; methods for determining the sequence of processing associated with the performance of particularly complex and responsible work; device, principle of operation, purpose of especially complex and high-precision control and measuring instruments and devices, rules for using them; basic information about processing parameters; technological properties of materials and alloys used in the work; fundamentals of electrical and radio engineering.

Work examples

1. Autotransformers - complete assembly with adjustment of the contact pressure of the brushes, axial play.

2. Recording and direct printing equipment - assembly, debugging, adjustment.

3. Telegraph equipment (especially complex) - complete assembly.

4. Drums and magnetic heads - assembly.

5. Blocks of waveguides are especially complex - assembly, verification of mechanical parameters using instrumentation.

6. Particularly complex blocks containing vacuum units - assembly (in conditions of small-scale production), sealing by soldering.

7. Accurate angular sensors - complete assembly with fitting parts and assemblies, checking the insulation resistance.

8. Quartz sound ducts - experimental setting of basic dimensions during assembly, mechanical adjustment.

9. Television cameras for color and black and white images - assembly.

10. Delay lines - scraping the base surfaces, sealing followed by a leak test in an oil bath and checking the residual pressure.

11. Reading mechanisms, code switches, resonators - assembly, adjustment.

12. Consoles, blocks, racks for special purposes of a particularly complex design - assembly.

13. Control panels (especially complex) - assembly with installation of control panels and adjustment of nodes.

14. Special radio equipment - assembly of prototypes with fitting parts, adjustment and testing.

15. Tilt reducers (azimuth) - assembly and verification of mechanical parameters.

16. Time relay with mechanical and electrical switches - assembly and adjustment.

17. Telephone multi-spring relays, small-sized - assembly of prototypes.

18. Cores - gluing and finishing under a microscope.

19. Special equipment - mechanical assembly of the keyboard with the installation of adjustable gaps (in conditions of small-scale production).

20. Rack of long-distance communication equipment of any complexity - assembly.

21. Amplifiers (multi-stage) of high and low frequency - assembly, tuning, fitting, adjustment and plotting of amplitude frequency characteristics.

22. Installation for carrying out climatic tests - assembly.

23. Cases of special products and equipment of computers, large-sized, especially complex - assembly with the setting of blocks, connectors and guides according to the calibers; installation of doors, control panels.

§ 50. Locksmith - assembler of radio-electronic equipment and devices of the 6th category

Job Description. Assembly of experimental and experimental samples of electronic equipment devices with subsequent adjustment, tuning and testing of its mechanical part. Assembly, adjustment and testing of gears of any complexity with fitting parts. Performing the most complex plumbing operations within 5 - 6 qualifications. Checking the correctness of the assembly of experimental and experimental products, taking into account the requirements of TS.

Must know: device, principle of operation and methods of setting up especially complex serviced equipment; device, principle of operation and purpose of the assembled equipment and instruments; device, purpose and conditions for the use of particularly complex and high-precision control and measuring instruments and devices; basic information about processing parameters; calculation methods associated with the implementation of experimental and experimental work.

Requires secondary vocational education.

Work examples

1. Radio-electronic equipment is especially complex, for various purposes - assembly with adjustment, coordination of radio-relay systems, testing and execution of test reports.

2. Blocks of prototypes of devices - assembly, mechanical adjustment with fine-tuning and fitting of parts.

3. Engines - complete assembly with the necessary adjustment and fine-tuning of parts and assemblies, processing, final delivery.

4. Generator chambers, frequency meters - complete assembly with the necessary adjustment, fine-tuning of parts and assemblies of prototypes.

5. Rotors - assembly with mechanical adjustment and fitting.

6. Deflecting (transmitting) systems for color television cameras - complete assembly with fitting parts, alignment (experimental and prototypes).

Job description
locksmith for the assembly of metal structures of the 4th category [ name of company]

See Help on the topic: "Job instructions for managers, specialists, employees and the procedure for their preparation" and List of job descriptions for business units and industries

This job description was developed and approved in accordance with the provisions of the Labor Code of the Russian Federation, the Unified Tariff and Qualification Handbook of Works and Professions of Workers, Issue 2, Sections: "Foundry Works", "Welding Works", "Boiler, Cold Forging, Drawing and Spinning Works" , "Forging and pressing and thermal work", "Machining of metals and other materials", "Metal coating and painting", "Enameling", "Locksmith and locksmith and assembly work", part 2, sections: "Machining of metals and other materials ", "Metal coating and painting", "Enameling", "Locksmith and locksmith and assembly work", approved by the Decree of the Ministry of Labor of the Russian Federation of 01.01.2001 N 45; List of industries, workshops, professions and positions with harmful working conditions, work in which gives the right to additional leave and a shorter working day, approved by the Decree of the USSR State Labor Committee and the Presidium of the All-Union Central Council of Trade Unions of 01.01.2001 N 298 / P-22; Order of the Ministry of Health and Social Development of the Russian Federation of 01.01.2001 N 543n "On approval of the Model Norms for the free issue of certified special clothing, special footwear and other personal protective equipment to housing and communal services workers employed in work with harmful and (or) dangerous conditions labor, as well as in work performed in special temperature conditions or associated with pollution"; Order of the Ministry of Health and Social Development of the Russian Federation of 01.01.2001 N 1104n "On Approval of the Standard Norms for the Free Issue of Special Clothing, Special Footwear and Other Personal Protective Equipment to Employees of Machine-Building and Metalworking Industries Employed in Works with Harmful and (or) Dangerous Working Conditions , as well as at work performed in special temperature conditions or associated with pollution", and other regulatory legal acts regulating labor relations.

1. General Provisions

1.1. The locksmith for the assembly of metal structures of the 4th category belongs to the category of workers and is directly subordinate to [ job title of direct manager].

1.2. A person with a secondary vocational education and work experience in the specialty of at least [ meaning] years.

1.3. A steel structure assembly fitter of the 4th category is appointed to the position and dismissed from it by order [ title of manager].

1.4. A steel structure assembly fitter of the 4th category must know:

Name and purpose of metalwork and measuring tools and fixtures and their use;

Ways to refuel metalwork tools;

Techniques for performing simple and medium complexity plumbing operations and the process of assembling simple and medium complexity assemblies of metal structures;

Devices and rules for the operation of lifting and transport devices, working and measuring instruments and devices;

Technological process, methods and techniques for assembling, fitting, checking and straightening metal structures;

The system of tolerances, landings and their designation on the drawings;

Properties, grades and assortment of materials and pipes used;

Ways of joining parts for welding;

Rules and types of marking of assembled units;

Methods for marking places for the installation of basic parts and assemblies of metal structures;

Structural arrangement of devices used in assembly;

Methods for sharpening metalwork tools;

Rules for working with a gas cutter and an electric welding machine;

The sequence and methods of assembly on assembly racks and on copier conductors;

Range and grades of steels;

Specifications for the assembly of complex metal structures;

Roughness grades and parameters;

Influence of heating of metals (during welding) on ​​their deformation;

Symbols for welds;

Methods for alignment of complex steel structures;

Rules for installation and arrangement of lifting mechanisms and devices;

Methods for straightening complex metal structures in fixtures using templates and according to drawings;

The device and rules for setting up manual pneumatic machines;

Basics of labor legislation;

Internal labor regulations;

Rules of sanitary, personal hygiene;

Rules and norms of labor protection, safety and fire protection;

Rules for the use of personal protective equipment;

Requirements for the quality of work (services) performed;

Requirements for the rational organization of labor in the workplace;

Types of marriage and ways to prevent and eliminate it;

Production alarm.

2. Job responsibilities

The following duties are assigned to the locksmith for the assembly of metal structures of the 4th category:

2.1. Cutting and manual cutting of wire, blanks from sheet and section metal.

2.2. Sawing and deburring.

2.3. Assembly of complex metal structures together with a locksmith and an electric welder of higher qualification.

2.4. Manufacture of simple parts from bar and sheet metal.

2.5. Marking parts on simple templates.

2.6. Driving and cutting threads by hand with taps and dies.

2.7. Alignment of racks for assembly.

2.8. Installation of bolts and studs in matching holes of metal structures.

2.9. Assembly of simple assemblies of metal structures for welding and riveting according to drawings and sketches using universal assembly and special devices.

2.10. Tacking parts during assembly by electric welding.

2.11. Drilling, reaming and reaming holes of small parts according to the marking on the machine and portable mechanized tools.

2.12. Editing of parts and assemblies of metal structures, regardless of complexity.

2.13. Assembly of metal structure units, regardless of complexity, for welding and riveting according to drawings, sketches and assembly diagrams using universal fixtures, as well as assembly of complex metal structure units using universal assembly and special fixtures and templates.

2.14. Adjustment of sealing surfaces.

2.15. Marking places for the installation of basic parts, regardless of the complexity and nodes of metal structures.

2.16. Hydraulic and pneumatic testing of metal structures, regardless of complexity, working under pressure.

2.17. Cleaning for gumming welds with a manual pneumatic grinder.

2.18. Participation in the assembly of experimental and unique units of metal structures under the guidance of a more highly qualified locksmith.

2.19. Elimination of defects found after testing complex assemblies of metal structures.

2.20. Drawing up sketches and assembly schemes.

2.21. Assembly, lifting and installation with a temporary distribution of metal structures in various positions at various heights.

2.22. Management of workers of lower ranks of the same profession.

2.23. Performing work on the acceptance and delivery of the shift, cleaning the workplace, fixtures, tools, as well as maintaining them in proper condition, maintaining the established technical documentation.

2.24. [Other job responsibilities].

3. Types of work

Metalworker of the 4th category performs the following types of work:

3.1. Cylindrical tanks and vessels operating under pressure up to 30 MPa (up to 300 kgf / sq. cm) - assembly and hydraulic testing.

3.2. Details from sheet and strip steel - marking according to the template, editing.

3.3. Sheet steel parts - bending.

3.4. Details from section steel of all profiles up to and over 6 mm thick - cutting, cutting.

3.5. The details are different - filing free sizes, cutting at angles, drilling according to the markup.

3.6. Small-sized casings - assembly.

3.7. Caps, lids, brushes, vessels, funnels, boxes, cabinets of all sizes - preparation, straightening and assembly of parts for welding.

3.8. Sheet and profile metal - drilling, cutting on guillotine and press shears, joining for welding.

3.9. Strip and twisted metal - bending and stripping after flame cutting.

3.10. Butt plates, stiffeners, temporary bolts - installation.

3.11. Supports and frames for devices - assembly.

3.12. Gaskets of simple and complex configuration from sheet steel, cardboard, asbestos, clinogerite, rubber - cutting and cutting by hand marking.

3.13. Staples made of material of different sections - bending in the fixture.

3.14. Racks welded - assembly under welding.

3.15. Belt conveyors - assembly of metal structures.

3.16. Pipe fittings with flanges - assembly.

3.17. Cases and whatnots metal - assembly.

3.18. Low-pressure apparatus with detachable connections - assembly.

3.19. Oil tanks - production and assembly.

3.20. I-beams for monorails - assembly.

3.21. Baths of rolling equipment and oil reducers, pouring ladles of various capacities - assembly for welding.

3.22. Collector insulation - manufacturing and assembly of parts.

3.23. Lamellar and suspended conveyors - assembly of metal structures.

3.24. Door and window frames and metal doors with a rigid frame - assembly.

3.25. Cases of counterweights - assembly for welding.

3.26. Stairs, platforms, girders, walls of bunkers, floorings, metal railings from pipes and tees, brake sheets, fences, sliding supports, gratings - assembly.

3.27. Cylindrical and conical shells made of sheet metal - bending.

3.28. Sediment tanks, measuring tanks, collections - assembly.

3.29. Foundation slabs - assembly.

3.30. Louvred grilles, decking for openings, bar racks for fastening conductors, conductors for anchor bolts - assembly.

3.31. I-beam bars - assembly of metal structures.

3.32. Farms - assembly on a copier.

3.33. A-shaped excavator farms - assembly of individual units.

3.34. Tanks of tee, box-shaped and lattice section for load-bearing metal structures - assembly.

3.35. Mixer bandages - assembly.

4.2. For extra leave.

4.3. For the free issue of special clothing, special footwear and other personal protective equipment.

4.4. Payment of additional expenses for medical, social and professional rehabilitation in cases of damage to health due to an accident at work and occupational disease.

4.5. Demand the creation of conditions for the performance of professional duties, including the provision of the necessary equipment, inventory, a workplace that meets sanitary and hygienic rules and regulations, etc.

4.6. Require the management of the enterprise to provide assistance in the performance of their professional duties and the exercise of rights.

4.7. Get acquainted with the draft decisions of the management of the enterprise relating to its activities.

4.8. Improve your professional qualifications.

4.9. Other rights provided for by the labor legislation of the Russian Federation.

5. Responsibility

The locksmith for the assembly of metal structures of the 4th category is responsible for:

5.1. For non-fulfillment, improper fulfillment of the duties provided for by this instruction - within the limits determined by the labor legislation of the Russian Federation.

5.2. For offenses committed in the course of carrying out their activities - within the limits determined by the current administrative, criminal and civil legislation of the Russian Federation.

5.3. For causing material damage to the employer - within the limits determined by the current labor and civil legislation of the Russian Federation.

The job description was developed in accordance with [ name, number and date of the document].

Head of Human Resources

[initials, surname]

[signature]

[day month Year]

Agreed:

[position]

[initials, surname]

[signature]

[day month Year]

Familiarized with the instructions:

[initials, surname]

[signature]

[day month Year]

2nd category

Characteristics of works. Cutting and manual cutting of wire, blanks from sheet and section metal. Sawing and deburring. Participation under the guidance of a more highly qualified fitter in the performance of certain simple and medium complexity works and operations for the assembly of metal structures and during their testing. Manufacture of simple parts from bar and sheet metal. Marking parts on simple templates. Driving and cutting threads by hand with taps and dies. Alignment of racks for assembly. Installation of bolts and studs in matching holes of metal structures. Assembly of simple assemblies of metal structures for welding and riveting according to drawings and sketches using universal assembly and special devices. Tacking parts during assembly by electric welding. Drilling, reaming and reaming holes of small parts according to the marking on the machine and portable mechanized tools. Editing of details and knots of a metalwork.

Must know: name and purpose of metalwork and measuring tools and fixtures and their use; ways to refuel metalwork tools; techniques for performing simple and medium complexity plumbing operations and the process of assembling simple and medium complexity assemblies of metal structures; device and rules for the operation of lifting and transport devices, working and measuring instruments and devices; technological process, methods and techniques for assembling, fitting, checking and straightening metal structures; system of admissions and landings; properties, grades and assortment of materials and pipes used; methods of joining parts for welding; rules and types of marking of assembled units.

Work examples

1. Cylindrical tanks and vessels operating under pressure up to 5 MPa (60 kgf / sq. cm) - assembly and hydraulic testing.
2. Details from sheet and strip steel - marking according to the template, editing.
3. Sheet steel parts - bending.
4. Parts made of sectional steel of all profiles with a thickness of up to and over 6 mm - cutting, felling.
5. The details are different - filing free sizes, cutting at angles, drilling according to the markup.
6. Small-sized casings - assembly.
7. Caps, lids, brushes, vessels, funnels, boxes, cabinets of all sizes - preparation, straightening and assembly of parts for welding.
8. Sheet and profile metal - drilling, cutting on guillotine and press shears, joining for welding.
9. Strip and twisted metal - bending and stripping after flame cutting.
10. Butt plates, stiffeners, temporary bolts - installation.
11. Supports and frames for devices - assembly.
12. Gaskets of simple and complex configuration from sheet steel, cardboard, asbestos, clinogerite, rubber - cutting and cutting out by hand marking.
13. Staples made of material of different sections - bending in the fixture.
14. Racks welded - assembly under welding.
15. Belt conveyors - assembly of metal structures.
16. Pipe fittings with flanges - assembly.
17. Cases and whatnots metal - assembly.

3rd category

Characteristics of works. Assembly of metal structures of medium complexity for welding and riveting according to drawings and sketches using universal fixtures, as well as assembly of complex metal structures using universal assembly and special fixtures and templates. Adjustment of sealing surfaces.

Marking places for the installation of simple basic parts and assemblies of metal structures. Assembly of complex metal structures together with a locksmith and an electric welder of higher qualification. Editing parts and assemblies of metal structures of medium complexity. Hydraulic and pneumatic testing of metal structures of medium complexity, working under pressure.

Must know: methods of marking places for the installation of basic parts and assemblies of metal structures; constructive arrangement of devices used in assembly; methods of sharpening metalwork tools; state standards for the materials used; a system of tolerances, landings and their designation on the drawings; requirements for the work performed; rules for working with a gas cutter and an electric welding machine; the sequence and methods of assembly on assembly racks and on copier conductors; range and steel grades.

Work examples

1. Low-pressure apparatus with detachable connections - assembly.
2. Oil tanks - production and assembly.
3. Cylindrical tanks and other vessels operating under pressure over 5 to 15 MPa (50 to 150 kgf / sq. cm) - assembly and hydraulic testing.
4. I-beams for monorails - assembly.
5. Baths of rolling equipment and oil reducers, pouring ladles of various capacities - assembly for welding.
6. Collector insulation - manufacturing and assembly of parts.
7. Lamellar and suspended conveyors - assembly of metal structures.
8. Door and window frames and metal doors with a rigid frame - assembly.
9. Cases of counterweights - assembly for welding.
10. Stairs, platforms, girders, walls of bunkers, decking, metal railings from pipes and tees, brake sheets, fences, sliding supports, gratings - assembly.
11. Cylindrical and conical shells made of sheet metal - bending.
12. Sediment tanks, measuring tanks, collections - assembly.
13. Foundation slabs - assembly.
14. Louvred grilles, decking for openings, bar racks for fastening conductors, conductors for anchor bolts - assembly.
15. I-beam bars - assembly of metal structures.
16. Farms - assembly on a copier.

§141. Metal fabrication fitter

4th category

Characteristics of works. Assembly of complex units of metal structures for welding and riveting according to drawings and assembly schemes using universal fixtures, as well as assembly of complex units of metal structures using universal assembly and special fixtures and templates. Marking places for the installation of complex basic parts and assemblies of metal structures. Editing complex and complex parts and assemblies of metal structures. Cleaning for gumming welds with a manual pneumatic grinder. Participation in the assembly of experimental and unique units of metal structures under the guidance of a more highly qualified locksmith. Hydraulic and pneumatic testing of complex components of metal structures operating under pressure. Elimination of defects found after testing complex assemblies of metal structures. Drawing up sketches and assembly schemes. Assembly, lifting and installation with a temporary distribution of metal structures in various positions at various heights.

Must know: technical conditions for the assembly of complex metal structures; system of admissions and landings; quality and roughness parameters; the effect of heating metals (during welding) on ​​their deformation; symbols for welds; methods of alignment of complex steel structures; installation rules and arrangement of lifting mechanisms and devices; methods for straightening complex metal structures in fixtures using templates and according to drawings; device and rules for setting up manual pneumatic machines.

Work examples

1. A-shaped excavator farms - assembly of individual units.
2. Cylindrical tanks and other vessels operating under pressure over 15 to 30 MPa (150 to 300 kgf / cm 2) - assembly and hydraulic testing.
3. Tanks of tee, box-shaped and lattice section for load-bearing metal structures - assembly.
4. Mixer bandages - assembly.
5. Mixing drums with internal spirals - assembly.
6. Shafts of cellular disc vacuum filters made of high-alloy steel - assembly.
7. Auger screws - assembly.
8. Drilling towers - assembly of individual parts of metal structures.
9. Gas holders, air collectors and water separators - assembly.
10. Gas pipelines - assembly.
11. Turbine casing frames - assembly.
12. Frameworks and casings of industrial furnaces and dryers - assembly.
13. Protective covers - assembly, installation.
14. Structures of load-bearing bridges of pipelines - assembly.
15. Conductors, copiers for trusses - assembly.
16. Evaporator and condenser housings - assembly with spherical bottoms and fittings for welding.
17. Cranes with a lifting capacity of up to 100 tons - assembly of structures and individual units.
18. Monorails - assembly.
19. Lattice supports - assembly.
20. Overall welded tanks - assembly.
21. Ties and spacers - assembly.
22. Sections of nozzles of dryer drums - assembly.
23. Traverses - assembly for welding.
24. Half-timbered houses - an assembly of girders and elements.
25. Refrigerators and inclined machines for blast furnaces - production and assembly.
26. Cabinets and drawers (waterproof) - assembly.
27. Electric blowers and turbo blowers - assembly.
28. Elements of radio towers, power line supports - assembly.
29. Elevators, smoke exhausters, exhausters - assembly.

§142. Metal fabrication fitter

5th category

Characteristics of works. Assembly of complex units of metal structures for welding and riveting according to drawings and assembly schemes using universal and special fixtures and templates. Marking places for the installation of complex basic parts and assemblies of metal structures. Leveling and alignment of assembled metal structures. Construction of simple geometric shapes according to assembly schemes and sketches. Assembly of experimental and unique units of metal structures. Hydraulic and pneumatic testing of complex components of metal structures operating under pressure. Elimination of defects found after testing complex assemblies of metal structures.

Must know: the appointment of various kinds of complex metal structures; operating conditions of lifting and transport devices, methods for determining their reliability; mechanical properties of base metals; allowable tensile, bending, compression forces; mechanical characteristics of the lifting mechanisms used; methods of performing rigging and welding work; the procedure for organizing work on the assembly of complex metal structures; ways to mark up complex sweeps.

Work examples

1. Excavator base - assembly.
2. Water tanks, gas ducts, bunkers and chimneys - assembly.
3. Cylindrical tanks and other vessels operating under pressure over 30 MPa (300 kgf / sq. cm) - assembly and hydraulic testing.
4. Beams main and trailer overhead cranes - assembly.
5. Drums: coal-grinding, ore-grinding mills, mine machines - assembly.
6. Towers and frames of scoop dredgers - production of details.
7. Car dumpers - assembly.
8. Gates are sluice - assembly.
9. Thin-walled telescopic casings made of special steels - assembly.
10. Metal structures (trusses, columns, rafters, blocks, casings) - assembly, verification of all structures.
11. Bridge structures - assembly.
12. Building structures - control and enlarged assembly, reconciliation.
13. Containers with a carrying capacity of more than 0.5 tons and organizational equipment with mechanical, telescopic and other drives for moving or lifting loads - manufacturing, assembly, adjustment and testing.
14. Mine pile drivers - production of details.
15. Cases of heat exchangers - assembly.
16. Cases of cement, metallurgical and other furnaces of complex structures - verification of the complete assembly.
17. Cases of electrostatic precipitators - assembly.
18. Cranes with a lifting capacity of over 100 tons - assembly of structures and individual units.
19. Turning mechanisms of excavators, reloaders, gantry cranes - control assembly.
20. Nozzle of dryers - installation in the case.
21. Models of simulators intended for training workers (crane and lift operators) - manufacturing, assembly, adjustment and testing.
22. Technological tooling designed for the manufacture, assembly and testing of prototypes - manufacturing.
23. Furnaces for heat treatment - production of parts and installation.
24. Open-hearth furnaces - assembly of metal structures.
25. Plates for automatic filter presses - assembly.
26. High pressure heaters - assembly.
27. Reactors, autoclaves, multi-chamber tunnel dryers - assembly.
28. High pressure tanks - assembly.
29. Elevator housing sections - assembly.
30. Shells and suction dredgers with a capacity of up to 300 cubic meters. m/h - assembly.
31. Shelves are complex, chairs and armchairs move in three planes - manufacturing, assembly, testing.
32. A-shaped excavator trusses - general assembly.
33. Automatic filter presses - general assembly.
34. Tanks - assembly.
35. High power walking excavators - assembly.

6th category

Characteristics of works. Assembly, adjustment, testing and delivery in accordance with the technical specifications of complex metal structures, as well as experimental and unique components of metal structures that require increased accuracy of assembly work. Construction of complex geometric shapes according to assembly schemes and sketches. Participation in the preparation of a passport for the assembled units of metal structures. Hydraulic and pneumatic testing of experimental and unique units of metal structures operating under pressure. Verification of the correct assembly of metal structures of varying complexity with the removal of operational diagrams and characteristics.

Must know: fundamentals of heat engineering, mechanics, geometry and trigonometry; the principle of operation and rules for the operation of complex metal structures; equipment, complex tools, fixtures and various devices used in the assembly of metal structures; the sequence of assembly of metal structures; requirements for the assembly of structures and products subject to special tests; technology and specifications for the assembly of metal structures.

Work examples

1. Autoclaves, recuperators, muffle-free, tempering and hardening units - production of units and installation.
2. Heat exchangers of complex design - production of pipe systems, general assembly, installation and testing.
3. Casings of blast furnaces, domes of air heaters, inclined bridges of blast furnaces - control and enlarged assembly.
4. Supports of heavy power lines - control and enlarged assembly.
5. Supports of tubular structures (telemasts, radio masts) - assembly.
6. Shells and installations dredgers with a capacity of over 300 cubic meters. m/h - assembly,
7. Annular air ducts, tangential inlets, elliptical branch pipes - assembly.