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Content
Machine tool types and kinematics. Technological evolution and impact to manufacturing. Machine tool structure: body, spindles, motors, drives, sensors, position encoders, motion transmission. Fixtures and workholding elements. Computer numerical control of machine tools: structure and functionsof CNC systems. Methods and types of interpolation. Motion control. Adaptive control for manufacturing processes. Selection of CNC system main characteristics. CNC machine tool programming. Parametric programming. CAM systems. Machine tool dynamics: machining force variation. Frequency response function. Forced vibrations. Chattering. Stability regions. Experimental determination of machine tool dynamic characteristics. Machine tool metrology using lasers: positional CNC axis accuracy. Angular errors. Composite errors. Volumetric error. Error analysis/budgeting. Thermal errors. Use of metrological equipment.
Laboratory exercises:
1- Machine tool programming using a CAM system 2-Machine tool dynamics
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Lab exercises
: C |
Weight :
20% |
Coursework:
O |
Weight :
10-30% |