The training course "Mechanical Materials Processing - Turning Part" deals with the machining production processes of turning in accordance with the training framework plans for metal professions (Lfd. No. 12 c "Turning"). The various turning skills such as centering, drilling, thread production, taper turning, knurling and deburring are dealt with in detail. A further focus is on the lathes and their functions as well as the professional operation, testing and setting of the machine functions. Furthermore the tools and the alignment and clamping of tools and workpieces are described.
Various project tasks are dealt with in 12 practical exercises, each with work information, parts lists and work planning forms as well as control and evaluation sheets. The exercises are structured according to the lead text method and follow the model of the complete action. They are therefore particularly conducive to action and social competence. The exercises can be worked on both inpidually and in groups.
Working documents for the course, consisting of 12 practical exercises, information on filming, guidance text exercises with work planning and self-assessment, control and assessment sheets and learning success checks.
Duration: 5 weeks
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- Industrial mechanic (m/f)
- Tool mechanic (m/f)
- Cutting machine operator
- Construction mechanic (m/f)
- Assign skill Turning
- Explain the structure and function of a center lathe
- Making the lathe ready for operation
- Distinguish clamping devices for workpieces and clamp workpieces in a three-jaw chuck
- Distinguishing between clamping devices for tools and clamping turning tools
- Naming and selecting turning tools
- Setting the frequency of rotation, feed and infeed
- Measuring clamped workpieces
- Name and apply safety and accident prevention regulations and environmental protection measures
- Explain chip formation and chip types
- Centering workpieces
- Explanation of material designation
- Differentiate surface quality according to DIN 1302
- Determine rotation frequency
- Distinguishing between turning tool types and cutting materials
- Identifying angles at the cutting edge of a tool and showing correlations
- Explain undercut according to DIN 76-A
- Make internal threads and fitting holes
- Workpiece is fixed by a rotating centering point
- Properties of thermoplastics
- Machining of polyethylene (PE)
- Clamping of workpieces (PE)
- Distinguish between inner and outer radii
- Name profile turning tool shapes
- Describe work steps for the production of inner and outer radii
- Distinguish, select and describe parting and grooving
- Deepening of skills (transverse facing, longitudinal turning, centering, drilling, parting off, deburring)
- Calculation for taper production
- Taper manufacture and taper testing
- Distinguish and select knurl types
- Describe knurling technique
- Measuring with the outside micrometer
- Distinguish ISO tolerances/fits
- Produce threaded bolts
- Independent planning and execution of operational work on the lathe
- Describe working technique for internal turning