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CNC Machining Technology
60.00

Description
I. Lectures
  • Fundamentals of Numerical Control (NC) and CNC Technology. Historical development of CNC systems. Basic components of a CNC system. Advantages and limitations of CNC machine tools.
  • Information Flow in CNC Systems. Coordinate axis systems. Machine and workpiece coordinate systems. Reference points, machine zero, workpiece zero, and tool reference points.
  • CNC Program Development. CNC programming languages. Program format and structure. CNC block syntax. Fundamentals of CNC machining centre setup. Milling case study.
  • Fundamentals of CNC Turning Centre Setup. CNC programming functions. Programming structure for turning operations. Turning case study.
  • Tool Motion Types in CNC Programming. Rapid traverse positioning. Linear interpolation in Cartesian coordinates. Circular interpolation in Cartesian coordinates.
  • Tool Radius Compensation in CNC Milling. Principles of cutter radius compensation. Activation and cancellation of tool radius compensation.
  • Applications of Cutter Radius Compensation. Practical implementation and programming examples. Case study.
  • Tool Nose Radius Compensation in CNC Turning. Influence of tool nose radius on dimensional accuracy and surface quality.
  • Tool Nose Radius Compensation in Facing, External Turning, and Internal Turning Operations. Programming examples and case study.
  • Programming of Thread Turning Operations. Thread cutting cycles, threading strategies, and practical programming examples. Case study.
  • Circular Interpolation versus Helical Interpolation. Absolute and incremental programming methods. Applications and programming examples.
  • Tool Approach and Retraction Strategies. Safe tool entry and exit movements. Optimisation of machining trajectories.
  • Drilling Cycles for CNC Machining Centres and CNC Turning Centres. Standard drilling, peck drilling, deep-hole drilling, tapping, and boring cycles.
  • Advanced CNC Programming Features for Turning and Milling Operations. Subprograms, canned cycles, parametric programming, and macro programming techniques.
II. Laboratory Works
  1. Introduction to CNC Machine Tools Available in the Manufacturing Engineering Laboratory. Laboratory regulations and occupational health and safety instructions.
  2. Introduction to the HAAS VF-2 CNC Vertical Machining Centre. Analysis of the HAAS control panel functions and machine operating modes.
  3. Workholding and Workpiece Setup on the CNC Milling Centre. Fixture installation, workpiece alignment, and work coordinate system definition using the HAAS VF-2 machining centre.
  4. Tool Setup Procedures on the CNC Milling Centre. Tool calling procedures, tool length compensation, and tool wear compensation on the HAAS VF-2 machining centre.
  5. Editing, Simulation, and Execution of CNC Programs on the HAAS Machining Centre. Practical milling case study (F1).
  6. Introduction to the Doosan LYNX 220 CNC Turning Centre. Analysis of the FANUC 0i-TB control panel functions and machine operating modes.
  7. Workholding and Workpiece Setup on the CNC Turning Centre. Workpiece clamping methods and work coordinate system definition on the LYNX 220 CNC lathe.
  8. Tool Setup Procedures on the CNC Turning Centre. Tool calling procedures, tool offset definition, and tool wear compensation on the LYNX 220 CNC lathe.
  9. Editing, Simulation, and Execution of CNC Programs Using the FANUC 0i-TB Control System. Practical turning case study (S1).
  10. Setup and Operation of the HAAS VF-2 CNC Machining Centre for Milling Operations. Practical machining case study (F2).
  11. Manufacture of a Mechanical Component on the CNC Milling Centre. Practical machining case study (F3).
  12. Setup and Operation of the LYNX 220 CNC Turning Centre for Turning Operations. Practical machining case study (S2).
  13. Manufacture of a Mechanical Component on the CNC Turning Centre. Practical machining case study (S3).
  14. Manufacture of a Mechanical Component Involving Both Milling and Turning Operations. Integrated machining case study (FS).

ECTS credits
4

Teaching Language
English

Exam Language
English

Support Materials Language
English

Basic Learning Outcomes

Course categorized

Managing Entity (faculty)
Faculty of Industrial Engineering, Robotics and Production Management (UTCN)