Grinder and polisher of stone products - 3rd category:

Characteristics of the work. Eliminating defective areas in products by clearing them, washing them, filling them with mastic or gluing inserts. Preparation of mastic and glue according to a given recipe in accordance with the color of the stone. Preparation of inserts with a selection of textures. Cleaning and washing of sealed areas. Assembling individual slabs into cassettes for their joint processing. Preparation of gypsum mortar. Laying the mortar in cassettes, followed by laying slabs on the mortar and aligning them with a level (ruler). Removing the treated slabs from the cassettes, cleaning the cassettes and slabs from solution residues and rinsing with water. Grinding, polishing on machines of various designs of simple stone products, stone casting products in compliance with the technological sequence and processing modes according to technological maps. Turning, grinding, polishing, polishing the surface of parts and products using abrasive materials and the necessary tools. Checking the treated surface with control and measuring instruments. Installation and replacement of tools used in work. Identification and elimination of malfunctions in the operation of the machine, participation in repair work.

Must know:compositions of mastics, glues and methods of their preparation; properties of gypsum mortar; requirements for assembling slabs into cassettes and technical specifications for slab processing; operating principle of serviced machines; physical and mechanical properties of processed stones; types, methods and sequence of stone processing of the rocks used; sequence of use of abrasive materials and tools; rules for using instrumentation and instruments.

Examples of work

Sanding and polishing:

• 1. Covers of tables and counters.
• 2. Plates for cladding floors and walls.
• 3. Mosaic slabs.
• 4. Borebricks.
• 5. Belts.
• 6. Steps.

Grinder and polisher of stone products - 4th category:

Characteristics of the work. Grinding, polishing on machines of various designs of stone products of medium complexity in compliance with the technological sequence and processing modes according to technological maps. Turning, grinding, polishing, polishing the surfaces of shaped parts and products using abrasive materials and tools, partial finishing using power tools and manually. Checking the processed surface of parts and products with instrumentation. Installation and replacement of tools used in work. Identification and elimination of malfunctions in equipment operation, participation in repair work.

Must know:arrangement of serviced equipment; physical and mechanical properties of processed stones; types, methods and sequence of stone processing of the rocks used; sequence of use of abrasive materials and tools; rules for using instrumentation and instruments.

Examples of work

Sanding and polishing:

• 1. Column bases.
• 2. Details of columns with flutes.
• 3. Platbands.
• 4. Skirting boards.
• 5. Handrails.

Grinder and polisher of stone products - 5th category:

Characteristics of the work. Grinding and polishing on computer-controlled machines and automated production lines of complex stone products in compliance with the technological sequence and processing modes according to technological maps. Turning, grinding and polishing the surfaces of complex shaped parts and products using various abrasive materials and tools and partial finishing using power tools and manually. Checking the processed surface of parts and products with instrumentation. Installation and replacement of tools used in work. Identifying malfunctions in equipment operation and participating in repair work.

Must know:design and principle of operation of the equipment being serviced; physical and mechanical properties of processed stones; methods and sequence of processing stone of all types; sequence of use of abrasive materials and tools; rules for using instrumentation and tools.

Examples of work

Sanding and polishing:

• 1. Balusters.
• 2. Vases.
• 3. Column capitals.
• 4. Cornices.
• 5. Ornamented inserts.
• 6. Friezes.

Characteristics of the work.

Grinding and finishing of complex parts and tools with a large number of transitions and settings of grade 6 and gear cutting tools of grade 6 precision, requiring combined fastening and precise alignment in several planes on grinding machines of various types and designs. Grinding and finishing of external and internal shaped surfaces and cylindrical surfaces adjacent to curved ones, in places that are difficult to reach for processing and measuring. Grinding long shafts and screws using multiple steady rests. Grinding of complex large-sized parts and assemblies using unique equipment. Grinding of electrocorundum.

What you should know:

• design features and rules for checking the accuracy of grinding machines of various types and universal and special devices
• calculations related to setting up machines
• rules for determining the most advantageous grinding mode depending on the material, product shape and brand of grinding machines
• rules for setting up and regulating instrumentation and instruments
• rules for determining cutting modes using reference books and machine data sheets.

Examples of work

1. Drums - grinding and finishing of threads.
2. Cage rolls - grinding and finishing.
3. Rolls rolling mills- profiling, grinding and finishing on unique roll grinding machines.
4. Shafts of high-power steam and water turbines - grinding and finishing.
5. Multi-cranked shafts of powerful diesel engines - grinding and finishing of main and connecting rod journals, adjacent collars, fillets, flanges.
6. Multi-taper shafts and holes - grinding and finishing.
7. Support rims - final grinding of all parts included in the support rim assembly, supports, rotating parts, posts and clamp pins.
8. Micrometric screws for precision instruments - finishing after thread grinding.
9. Spools of hydraulic products - grinding and finishing of bodies and sleeves.
10. Multi-start gauges and plugs with trapezoidal threads - grinding and finishing.
11. Carriages, beds, bridges, machine supports - profile grinding.
12. Machine crossheads - grinding.
13. Steam turbine blades - profile grinding and external and internal polishing using a block with templates.
14. Complex matrices with cavities, cones located along radii and patterned surfaces - grinding.
15. Sliders - grinding.
16. Crossbars of a large-sized carousel machine - grinding the plane of the face guides for the slats.
17. Engine pistons with a diameter of over 500 mm - grinding and finishing.
18. Multi-seat molds - grinding.
19. Broaches with a diameter of up to 125 mm, a length of up to 1200 mm - final grinding.
20. Beds of metalworking machines up to 3000 mm long - grinding of plane guides.
21. Stacks of a large-sized rotary machine - grinding the plane of the guides.
22. Spline worm cutters with a curved profile - profile grinding of teeth.
23. Cylinders of steam forging and stamping hammers and compressor cylinders - grinding and finishing.
24. Standards for the tail of steam turbine blades - grinding of the tail and slopes.

Characteristics of the work. Grinding and finishing of complex parts and tools with a large number of transitions and settings of grade 6 and gear cutting tools of grade 6 precision, requiring combined fastening and precise alignment in several planes on grinding machines of various types and designs. Grinding and finishing of external and internal shaped surfaces and cylindrical surfaces adjacent to curved ones, in places that are difficult to reach for processing and measuring. Grinding long shafts and screws using multiple steady rests. Grinding of complex large-sized parts and assemblies using unique equipment. Grinding of electrocorundum.

Must know: design features and rules for checking the accuracy of grinding machines of various types and universal and special devices; calculations related to setting up machines; rules for determining the most advantageous grinding mode depending on the material, product shape and brand of grinding machines; rules for setting up and regulating instrumentation and instrumentation; rules for determining cutting modes using reference books and machine data sheets.

Examples of work

1. Drums - grinding and finishing of threads.

2. Cage rolls - grinding and finishing.

3. Rolls of rolling mills - profiling, grinding and finishing on unique roll grinding machines.

4. Shafts of high-power steam and water turbines - grinding and finishing.

5. Multi-crankshafts of powerful diesel engines - grinding and finishing of main and connecting rod journals, adjacent collars, fillets, flanges.

6. Multi-taper shafts and holes - grinding and finishing.

7. Support rims - final grinding of all parts included in the support rim assembly, supports, rotating parts, posts and clamp pins.

8. Micrometric screws for precision instruments - finishing after thread grinding.

9. Spools of hydraulic products - grinding and finishing of bodies and sleeves.

10. Multi-start gauges and plugs with trapezoidal threads - grinding and finishing.

11. Carriages, beds, bridges, machine supports - profile grinding.

12. Crossheads of machines - grinding.

13. Steam turbine blades - profile grinding and external and internal polishing using a block with templates.

14. Complex matrices with cavities, cones located along radii and patterned surfaces - grinding.

15. Sliders - grinding.

16. Crossbars of a large-sized rotary machine - grinding the plane of the front guides for the slats.

17. Engine pistons with a diameter of over 500 mm - grinding and finishing.

18. Multi-place molds - grinding.

19. Broaches with a diameter of up to 125 mm, a length of up to 1200 mm - final grinding.

20. Beds of metalworking machines up to 3000 mm long - grinding of plane guides.

21. Stacks of a large-sized rotary machine - grinding the plane of the guides.

22. Spline worm cutters with a curved profile - profile grinding of teeth.

23. Cylinders of steam forging and stamping hammers and compressor cylinders - grinding and finishing.

24. Standards for the tail of steam turbine blades - grinding of the tail and slopes.

Unified Tariff and Qualification Directory of Work and Professions of Workers (UTKS). Issue #7
Approved by Resolution of the State Committee for Labor of the USSR, the Secretariat of the All-Union Central Council of Trade Unions dated December 27, 1984 N 381/23-157
(as amended by the Resolution of the State Committee for Labor of the USSR, the Secretariat of the All-Union Central Council of Trade Unions dated June 12, 1990 N 233/9-49,
Order of the Ministry of Health and Social Development of the Russian Federation dated October 20, 2008 N 578)

Grinder-cutter of refractory products

§ 56. Grinder-cutter of refractory products of the 2nd category

Characteristics of work. Grinding of external surfaces and cutting of refractory products and workpieces of simple configurations on established grinding and cutting machines and manually. Installation and alignment of parts on the machine and in fixtures. Selection of workpieces with defects for grinding and cutting, measuring products with a template or ruler. Delivery of workpieces to the machine, removal, carrying and stacking of processed products. Participation in the repair of serviced equipment.

Must know: operating principle and rules technical operation grinding and cutting machines, devices, simple and medium complexity control and measuring instruments; types and brands of refractory products; requirements state standards to the quality of products; basics of plumbing; basic information about cutting tools, tolerances and fits, qualities and parameters of surface roughness (classes of accuracy and finish of processing).

§ 57. Grinder-cutter of refractory products of the 3rd category

Characteristics of work. Grinding, cutting, drilling and other mechanical processing of refractory products and workpieces of medium complexity configuration on machines of various types and designs, on specialized semi-automatic and automatic machines with diamond and carbide tools. Editing grinding wheels to suit any profile. Installing products on the machine, sorting by external signs and sizes. Pre-adjustment of the machine using universal and special devices and independent determination of the technological sequence of processing parts and cutting modes. Identification and elimination of malfunctions in the operation of serviced equipment.

Must know: device, principle of operation, rules for adjustment and accuracy testing of serviced machines; device and rules for using universal and special devices; purpose and rules for the use of control and measuring instruments and devices of medium complexity; characteristics of the grinding wheels used; system of tolerances and fits, qualities and parameters of surface roughness (classes of accuracy and cleanliness of processing); plumbing.

§ 58. Grinder-cutter of refractory products of the 4th category

Characteristics of work. Grinding, cutting and finishing of planes of cylindrical and conical external and internal surfaces of refractory products of complex configuration on various types of machines. Grinding of dense, high-density and fused refractory products for blast furnaces, stopless steel casting and other purposes. Setting up a machine using complex devices, selecting optimal cutting and processing modes using reference books and the machine’s passport.

Must know: designs of the main components of grinding machines and rules for checking them for accuracy, design features and rules for the use of universal and special devices; principle of operation, purpose and rules for using complex instrumentation and instruments; structure and mechanical properties of refractory products of various chemical compositions.

I CONFIRM:

________________________

[Job Title]

________________________

________________________

[Name of organization]

________________/[F.I.O.]/

"____" ____________ 20__

JOB DESCRIPTION

5th grade grinder

1. General provisions

1.1. Real job description defines and regulates the powers, functional and job responsibilities, rights and responsibilities of a 5th category grinder [Name of organization in genitive case] (hereinafter referred to as the Company).

1.2. A grinder of the 5th category is appointed to the position and dismissed from the position in the manner established by the current labor legislation by order of the head of the Company.

1.3. A grinder of the 5th category belongs to the category of workers and reports directly to [name of the position of the immediate supervisor in the dative case] of the Company.

1.4. A 5th grade grinder is responsible for:

• timely and high-quality performance of tasks as intended;
• compliance with performance and labor discipline;
• compliance with labor safety measures, maintaining order, following rules fire safety at the area of ​​work assigned to him (workplace).

1.5. A person with secondary education is appointed to the position of grinder of the 5th category vocational education in this specialty and work experience of at least 1 year.

1.6. In practical activities, a 5th category grinder must be guided by:

• local acts and organizational and administrative documents of the Company;
• internal labor regulations;
• rules of labor protection and safety, ensuring industrial sanitation and fire protection;
• instructions, orders, decisions and instructions from the immediate supervisor;
• this job description.

1.7. A 5th grade grinder must know:

• design features and rules for checking the accuracy of grinding machines of various types and universal and special devices;
• calculations related to setting up machines;
• rules for determining the most advantageous grinding mode depending on the material, product shape and brand of grinding machines;
• rules for setting up and regulating instrumentation and instrumentation;
• rules for determining cutting modes using reference books and machine data sheets.

1.8. During the period of temporary absence of a grinder of the 5th category, his duties are assigned to [name of the deputy position].

2. Job responsibilities

A grinder of the 5th category performs the following labor functions:

2.1. Grinding and finishing of complex parts and tools with a large number of transitions and settings of grade 6 and gear cutting tools of grade 6 precision, requiring combined fastening and precise alignment in several planes on grinding machines of various types and designs.

2.2. Grinding and finishing of external and internal shaped surfaces and cylindrical surfaces adjacent to curved ones, in places that are difficult to reach for processing and measuring.

2.3. Grinding long shafts and screws using multiple steady rests.

2.4. Grinding of complex large-sized parts and assemblies using unique equipment.

2.5. Grinding of electrocorundum.

In case of official necessity, a grinder of the 5th category may be involved in performing duties overtime, in the manner prescribed by law.

3. Rights

A grinder of the 5th category has the right:

3.1. Get acquainted with the draft decisions of the enterprise management concerning its activities.

3.2. Submit proposals for improvement of work related to the duties provided for in this job description for management’s consideration.

3.3. Inform your immediate supervisor about any issues identified during the execution of your duties. job responsibilities shortcomings in the production activities of the enterprise (its structural divisions) and make proposals for their elimination.

3.4. Request personally or on behalf of the immediate supervisor from heads of departments of the enterprise and specialists information and documents necessary to perform their job duties.

3.5. Involve specialists from all (individual) structural divisions of the Company in solving the tasks assigned to him (if this is provided for by the regulations on structural divisions, if not, with the permission of the head of the Company).

3.6. Require the management of the enterprise to provide assistance in the performance of their official duties and rights.

4. Responsibility and performance evaluation

4.1. A grinder of the 5th category bears administrative, disciplinary and material (and in some cases provided for by the legislation of the Russian Federation, criminal) responsibility for:

4.1.1. Failure to carry out or improperly carry out official instructions from the immediate supervisor.

4.1.2. Failure to perform or improper performance of one's job functions and assigned tasks.

4.1.3. Illegal use of granted official powers, as well as their use for personal purposes.

4.1.4. Inaccurate information about the status of the work assigned to him.

4.1.5. Failure to take measures to suppress identified violations of safety regulations, fire safety and other rules that pose a threat to the activities of the enterprise and its employees.

4.1.6. Failure to ensure compliance with labor discipline.

4.2. The assessment of the work of a 5th category grinder is carried out:

4.2.1. By the immediate supervisor - regularly, in the course of the employee’s daily performance of his labor functions.

4.2.2. The certification commission of the enterprise - periodically, but at least once every two years, based on documented results of work for the evaluation period.

4.3. The main criterion for assessing the work of a 5th category grinder is the quality, completeness and timeliness of his performance of the tasks provided for in these instructions.

5. Working conditions

5.1. The work schedule of a 5th grade grinder is determined in accordance with the internal labor regulations established by the Company.

5.2. Due to production needs, a 5th category grinder is required to go on business trips (including local ones).

I have read the instructions on __________/___________/“____” _______ 20__.