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Occupational Qualification Standards: Sheet Metal, CNC Machine Operator, EstQF Level 5

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General Data
Use of Occupational Qualification Standard: An occupational qualification standard is a document which describes the set of skills, knowledge and attitudes, i.e. competence requirements, needed to successfully accomplish duties. Occupational qualification standards are used for compiling curricula and awarding qualifications.
Name in English: ET: APJ lehtmetalli töötlemispinkide operaator, tase 5
EN: Sheet Metal, CNC Machine Operator, EstQF Level 5
Specialisations:
  • Making products from sheet metal using CNC press brakes
  • Making products from sheet metal using CNC sheet-processing machines
  • Making products from sheet metal using flame- and plasma-cutting technology
  • Making products from sheet metal using laser-cutting technology
  • Making products from sheet metal using water-cutting technology
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Partial occupational qualifications:
Valid from: 08.05.2019
Valid to: 07.05.2021
Occupational qualification standard version no.: 3
Versions:
Awarding Bodies: Andmed puuduvad
Curricula and Educational institutions
  Educational institution Name of curriculum Code of curriculum Level of curriculum Duration of training programm Date of registration of curriculum Status
1 Tartu Rakenduslik Kolledž CNC turning machine tool operator 134919 453 Viienda taseme kutseõppe jätkuõpe (vv alates 01.09.2013) 0/6 09.05.2019 Avatud
2 Võrumaa Haridus- ja Tehnoloogiakeskus Sheet metal, CNC machine operator 171717 453 Viienda taseme kutseõppe jätkuõpe (vv alates 01.09.2013) 0/6 04.09.2019 Avatud
A Description of work
A.1 Description of work
A Sheet Metal, CNC (Computer Numerical Control) Machine Operator is a skilled worker with work experience who has obtained specialised education and completed in-service training and who works in an enterprise that processes sheet metal. Their main duty is making parts from sheet metal using CNC mac...hines.
A Sheet Metal, CNC Machine Operator performs their duties according to technical and normative documents and general quality requirements.

Sheet Metal, CNC Machine Operator, EstQF Level 5 specialises in one or several technologies, depending on their work experience.

A worker at Level 5 writes control programmes. They set up machines and ensure the quality of the part that is processed using checking and measuring equipment.
Sheet Metal, CNC Machine Operator, Level 5 can lead a small team and is responsible for performing their duties to a high level of quality and in a timely manner.

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A.2 Work units
A.2.1 Preparing the work process
A.2.2 Checking, monitoring, adjusting and configuring machine operations
A.2.3 Carrying out machine maintenance and repairs
A.2.4 Storage and utilisation
Specialised areas of work
A.2.5 Making products from sheet metal using flame- and plasma-cutting technology
1. Workplace preparation.
2. Configuring the machine and making the sample part.
3. Making parts from sheet metal on flame-cutting machines.
4. Making parts from sheet metal on plasma-cutting machines.
5. Clearin...
g parts of off-cuts.

A.2.6 Making products from sheet metal using water-cutting technology
1. Workplace preparation.
2. Configuring the machine and making the sample part.
3. Making parts from sheet material on water-cutting machines.
4. Post-processing of finished parts.

A.2.7 Making products from sheet metal using laser-cutting technology
1. Workplace preparation.
2. Configuring the machine and making the sample part.
3. Making parts from sheet metal on laser-cutting machines.
4. Clearing parts of off-cuts.

A.2.8 Making products from sheet metal using CNC sheet-processing machines
1. Workplace preparation.
2. Configuring the machine and making the sample part.
3. Making parts from sheet metal on CNC sheet-processing machines.
4. Clearing parts of off-cuts.

A.2.9 Making products from sheet metal using CNC press brakes
1. Workplace preparation.
2. Configuring the machine and making the sample part.
3. Making parts from sheet metal using CNC press brakes.

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A.3 Work environment and specific nature of work
The working hours of a Sheet Metal, CNC Machine Operator may be in shifts or on the basis of a working schedule and include night-time, weekends and public holidays, depending on the employer. The pace of work may periodically be fast and stressful. The work environment is indoors and can be noisy.
...

There is metal dust in the work environment which can cause allergic reactions. Failure to comply with work environment safety requirements may result in an occupational accident.

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A.4 Tools
Unmanned cranes, forklifts, measuring instruments (calliper, measuring tape, instruments for measuring angles, etc.) and electrical and pneumatic hand tools (angle grinder, chisels, etc.).
A.5 Personal qualities required for work: abilities and characteristics
The work of a Sheet Metal, CNC Machine Operator requires mathematical and logical thinking, analytical skills, spatial abilities, visual memory and the ability to concentrate.
Their work demands precision in movement, coordination and physical capabilities.
Other useful qualities are correctness, ...
accuracy, the ability to learn and a sense of responsibility.
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A.6 Professional preparation
Sheet Metal, CNC Machine Operator, Level 5 has long-term professional experience and has obtained specialised vocational education or that of a closely related area. Those who do not obtain professional education acquire their professional skills in the course of practical training. They usually hav...e secondary education and have completed in-service training.
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A.7 Most common occupational titles
CNC sheet-processing machine operator
B Competency Requirements
B.1 Structure of occupation
Competency Requirements: Competences B.2.1-B.2.4 and B.2.10 and at least one competence related to a specialisation (B.2.5-B.2.9) must be certified when applying for the qualification of Sheet Metal, CNC Machine Operator, EstQF Level 5.
B.2 Competences
Mandatory competences
    Competence EstQF Level
B.2.1 Preparing the work process 5

Performance indicators
1. Familiarises themselves with the technical drawings and ensures that the primary data necessary for making the part are on the drawings.
2. Ensures that the immediate vicinity of the workstation is safe and in order. Checks that the necessary personal protective equipment (glasses, gloves, etc.) is available and in good order.
3. Visually checks the machine and ensures that it is in good order, clean and configured before commencing work.
4. Checks that they have all the necessary documents (work order, waybills, error and problem reports, etc.) and fills them in on an ongoing basis.
5. Selects the necessary tools and materials based on data, compiles the operation technology and programme and configures the machine.
B.2.2 Checking, monitoring, adjusting and configuring machine operations 5

Performance indicators
1. Starts the machine and monitors for deviations in its work. If a deviation occurs, reacts quickly and appropriately according to their authorisation. If necessary, notifies their line manager and/or a specialist of the problem.
2. Makes a sample of the product to ensure that the configured parameters of the machine and the work order are compatible.
B.2.3 Carrying out machine maintenance and repairs 5

Performance indicators
1. Checks the physical and electronic indicators of the machine throughout the work period. If problems arise, implements measures to eliminate the malfunction based on their authorisation. If necessary, notifies their line manager and/or a specialist of the malfunction.
2. Registers all problems and their repair data in the manner prescribed.
3. Conducts small repairs on and technical maintenance of the machine within the limits of their authorisation. Calls a technician and informs other appropriate people, if necessary.
B.2.4 Storage and utilisation 5

Performance indicators
1. Marks finished parts and packages them or prepares them for packaging according to the work order.
2. Stores and marks the waste material left from filling in the work order.
3. Sorts and stores the material to be utilised.
Competences related to specialisations
At least one competence related to a specialisation (B.2.5-B.2.9) must be certified when applying for the qualification of Sheet Metal, CNC Machine Operator, EstQF Level 5.
Making products from sheet metal using flame- and plasma-cutting technology
    Competence EstQF Level
B.2.5 Making products from sheet metal using flame- and plasma-cutting technology 5

Performance indicators
1. Ensures that the machine is in good technical order and that there are no objects in the work area which restrict the work of the machine. Prepares the machine for work (opens the required gas valves, checks the pressure levels, indexes the machine, etc.).
2. Familiarises themselves with the work order/drawings and configures the machine accordingly: selects the appropriate parameters; assembles and installs the necessary wear parts and accessories; downloads or opens the work programme, writing the programme if necessary. Makes a sample part.
3. Makes parts from sheet metal on the flame-cutting machine according to the given work order/drawing.
4. Makes parts from sheet metal on the plasma-cutting machine according to the given work order/drawing.
5. Clears finished parts of off-cuts, if necessary.
6. Checks the quality of the product based on the determined frequency of checks. Checks whether the number of parts made complies with the work order.

Knowledge:
1) operating principles of plasma- and flame-cutting technologies;
2) accessories and wear parts of plasma- and flame-cutting equipment, their specific nature and uses;
3) cutting gases (plasma gas) and auxiliary gases (nitrogen, argon, oxygen, H2O, H35 and compressed air) used in plasma-cutting technology;
4) cutting gases used in flame-cutting technology (propane or acetylene and oxygen as an auxiliary gas), their suitability to the base materials and their principles of use;
5) choosing cutting parameters according to the EVS-EN ISO 9013 standard;
6) the EVS-EN ISO 9013 standard;
7) safety technology (machine and gas safety).
 
Making products from sheet metal using water-cutting technology
    Competence EstQF Level
B.2.6 Making products from sheet metal using water-cutting technology 5

Performance indicators
1. Ensures that the machine is in good technical order and that there are no objects in the work area which restrict the work of the machine. Prepares the machine for work (indexes the machine).
2. Familiarises themselves with the work order/drawings and configures the machine accordingly: selects the appropriate parameters; selects the appropriate abrasive; assembles and installs the necessary wear parts and accessories; downloads or opens the work programme, writing the programme if necessary. Makes a sample part.
3. Makes parts from sheet material on the water-cutting machine according to the given work order/drawing.
4. If necessary, clears finished parts of off-cuts, dries the part and applies corrosion protection.
5. Checks the quality of the product based on the determined frequency of checks. Checks whether the number of parts made complies with the work order.

Knowledge:
1) operating principles of water-cutting technology;
2) accessories and wear parts of water-cutting machines, their specific nature and uses;
3) extensive knowledge of the materials used based on water-cutting technology;
4) cutting abrasives, their differences and uses;
5) choosing cutting parameters according to the EVS-EN ISO 9013 standard;
6) the EVS-EN ISO 9013 standard;
7) safety technology (machine safety).
 
Making products from sheet metal using laser-cutting technology
    Competence EstQF Level
B.2.7 Making products from sheet metal using laser-cutting technology 5

Performance indicators
1. Ensures that the machine is in good technical order and that there are no objects in the work area which restrict the work of the machine. Prepares the machine for work (opens the required gas valves, checks the pressure levels, indexes the machine, etc.).
2. Familiarises themselves with the work order/drawings and configures the machine accordingly: selects the appropriate parameters; selects the appropriate cutting gas; assembles and installs the necessary wear parts and accessories; downloads or opens the work programme, writing the programme if necessary. Makes a sample part.
3. Makes parts from sheet metal on the laser-cutting machine according to the given work order/drawing.
4. Clears finished parts of off-cuts, if necessary.
5. Checks the quality of the product based on the determined frequency of checks. Checks whether the number of parts made complies with the work order.

Knowledge:
1) operating principles of laser-cutting technology;
2) accessories and wear parts of laser-cutting machines, their specific nature and uses;
3) extensive knowledge of the materials used based on laser-cutting technology;
4) cutting gases used (oxygen, nitrogen, compressed air, etc.), their suitability to the base materials and their principles of use;
5) resonator gases, their function and compatibility with equipment;
6) choosing cutting parameters according to the EVS-EN ISO 9013 standard;
7) the EVS-EN ISO 9013 standard;
8) safety technology (machine and gas safety).
 
Making products from sheet metal using CNC sheet-processing machines
    Competence EstQF Level
B.2.8 Making products from sheet metal using CNC sheet-processing machines 5

Performance indicators
1. Ensures that the machine is in good technical order and that there are no objects in the work area which restrict the work of the machine. Prepares the machine for work (indexes the machine etc.).
2. Familiarises themselves with the work order/drawings and configures the machine accordingly: assembles and installs the necessary tools; downloads or opens the work programme and selects the appropriate parameters; writes the programme, if necessary. Places the sheet on the machine and makes a sample part.
3. Makes parts from sheet metal on CNC sheet-processing machines (eccentric, hydraulic, servo-electric press, etc.) based on the given technical drawings. Separates finished details from the processed sheet.
4. Clears finished parts of off-cuts, if necessary.
5. Checks the quality of the product based on the determined frequency of checks. Checks whether the number of parts made complies with the work order.

Knowledge:
1) stamps, matrices and wear parts used in stamping, their specific nature and uses;
2) types of stamping (embossing, beading, etc.) and their operating principles;
3) stamping parameters and determining them;
4) the principles of selecting the appropriate play between the stamp and matrix based on the specific nature of the material being processed;
5) the machine codes required to write the programme;
6) safety technology (machine safety).
 
Making products from sheet metal using CNC press brakes
    Competence EstQF Level
B.2.9 Making products from sheet metal using CNC press brakes 5

Performance indicators
1. Ensures that the machine is in good technical order and that there are no objects in the work area which restrict the work of the machine. Prepares the machine for work (indexes the machine etc.).
2. Familiarises themselves with the work order/drawings and configures the machine accordingly: assembles and installs the necessary tools; downloads or opens the work programme and selects the appropriate parameters; writes the programme, if necessary. Makes a sample part.
3. Makes parts from sheet metal on the CNC press brake based on the given technical drawings.
4. Checks the quality of the product based on the determined frequency of checks. Checks whether the number of parts made complies with the work order.

Knowledge:
1) stamps and matrices used in bending, their specific nature and uses;
2) types of bending (air bending, bottoming and coining) and their operating principles;
3) the principles of selecting a matrix with appropriate dimensions based on the specific nature of the material to be bent;
4) the basics of calculating the force necessary for bending;
5) safety technology (machine safety and configuring security curtains);
6) the basics of calculating the necessary dimensions of the blank;
7) the basics of calculating the suitable bending order for the product.

Recurring competences
    Competence EstQF Level
B.2.10 Recurring competences of Sheet Metal, CNC Machine Operator, EstQF Level 5 5

Performance indicators
1. A Sheet Metal, CNC Machine Operator places importance on both client and team satisfaction and makes high-quality products that comply with the agreed standards. Adhering to deadlines and stages and maintaining quality and productivity are important to them.
2. They plan their own time and that of their team efficiently, work in a systematic and organised way and follow all instructions, procedures and safety requirements.
3. A Sheet Metal, CNC Machine Operator uses all acquired field-specific knowledge and the possibilities offered by technology to achieve their professional goals. They share their knowledge and the nature of the field with colleagues and further their professional knowledge through constant professional development.
4. They grasp new information quickly. Performing new duties and acquiring new methods and techniques is not difficult for them. They look for opportunities for self-development and to improve their skills by orienting themselves towards results and achieving personal work-related objectives.
5. They analyse their own work and that of their team and present ideas and suggestions for improvements.
6. A Sheet Metal, CNC Machine Operator is a team player. They have a clear understanding of the work and functions of the departments in the organisation and communicate with people at all levels, stating their opinion clearly and not hiding information. They can handle conflict situations.
7. They respond to criticism reasonably and can draw conclusions and learn from it. They are capable of giving constructive criticism, drawing attention to shortcomings in work processes and making suggestions for improving the situation (improving the work environment or technology, developing and implementing more efficient working methods, motivating the team, etc.).
8. Ethical beliefs and values are important to a person who works as a Sheet Metal, CNC Machine Operator.
9. They speak Estonian at the B2 level and one foreign language of their choice (preferably English) at the A2 level.
10. They use a computer daily at the Independent user level for information processing and communication and have general knowledge of CAD/CAM programmes.

Knowledge:
1) professional terminology, definitions, symbols and markings used in technical documentation;
2) operating principles of machines, programmes and operating modes and their technical capabilities;
3) most common control systems of CNC machines;
4) the methodology and methods of monitoring machine operations, display symbols indicating malfunction;
5) instructions on what to do in the event of a malfunction (knowledge of how to stop the machine or operation in a way that minimises damage, e.g. technical condition of the machine and consumption of raw materials);
6) general technical safety rules, security measures arising from the use of the machine and personal protective equipment;
7) most common malfunctions and ways of preventing and eliminating them;
8) the need to archive technical repairs for future work, requirements of formatting documents;
9) other documents required for work (work orders, reports, etc.) and the requirements for filling in and formatting them;
10) basic knowledge of metal-processing (locksmith work, mechanical processing of materials, etc.);
11) measuring instruments needed to process sheet metal (calliper, instrument for measuring angles, measuring tape, etc.) and their operating principles;
12) sheet metal materials and identifiers for differentiating them visually and by product marking;
13) most common EN and ISO material standards for sheet metal.

Assessment method(s):
Recurring competences are evaluated as part of the assessment of the other competences listed in the occupational qualification standard.
C General information and Annexes
Designation of occupational qualification standard in register: 24-08052019-2.4.2/3k
Field of occupational activity: Engineering, Manufacturing and Processing
Occupational Qualification Council: Engineering, Manufacturing and Processing
No. of decision of Occupational Qualification Council: 12
Date of decision of Occupational Qualification Council: 08.05.2019
EstQF level: 5
Reference to European Qualifications Framework (EQF): 5
Field: ENGINEERING, MANUFACTURING AND PROCESSING
Subfield: Metal processing and metal products manufacturing. Mechanics
Occupation: Sheet metal, CNC machine operator
International Standard Classification of Occupations: 7 Craft and Related Trades Workers
72 Metal, Machinery and Related Trades Workers
722 Blacksmiths, Toolmakers and Related Trades Workers
7223 Metal Working Machine Tool Setters and Operators
ISCED Fields of Education and Training (ISCED-F 2013): 07 Engineering, manufacturing and construction
071 Engineering and engineering trades
0715 Mechanics and metal trades
Statistical Classification of Economic Activities in the European Community (NACE): C MANUFACTURING
25 Manufacture of fabricated metal products, except machinery and equipment
Annexes
Annex 1 Language skills level descriptions
Annex 2 Scale of self-assessment in digital competence
Occupational qualification standard compiled by
Name Organisation
Ivar Peedu FinEst Steel AS
Peeter Kalmet Favor AS
Henri Tabri Aider OÜ
Aleksei Saareväli Tallinna Tööstushariduskeskus
Veiko Põldmaa Tallinna Tööstushariduskeskus
Katrin Tammjärv SA Innove

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