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MEC 123 Machine Tools Technology and Practice

ND1 levelEngineering & Technology39 topics

MEC 123 covers 39 topics. StudyPath paces them into daily study sessions that finish before your exam date, with practice questions and worked answers for each one.

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Course outline

The topics this course covers, in teaching order.

  1. Cutting action in machining
  2. Cutting fluids in machining
  3. Cutting tool materials
  4. Types and functions of lathes
  5. Centre lathe operations
  6. Shaping machines
  7. Milling machines
  8. Milling operations
  9. Grinding machines
  10. Uses of grinding machines
  11. Testing and mounting of grinding wheels
  12. Balancing, alignment and truing of grinding wheels
  13. Theory of metal cutting
  14. Forces at the tool point
  15. Tool angles and cutting efficiency
  16. Chip formation and types
  17. Heat generation in machining
  18. Cutting fluids: types, functions and properties
  19. Cutting tool materials and types
  20. Lathe types, accessories and safety
  21. Shaping machine features and setup
  22. Milling machine features, cutters and indexing
  23. Milling operations and cutting parameters
  24. Grinding machine types, wheels and workholding
  25. Grinding operations and applications
  26. Castigliano’s theorem
  27. Strain energy in bending
  28. Strain energy in torsion
  29. Deflection of curved bars
  30. Columns and struts
  31. End conditions and load-carrying capacity
  32. Axially loaded columns
  33. Crushing and buckling loads
  34. Slenderness ratio
  35. Eccentrically loaded columns
  36. Cosine equation for columns
  37. Helical springs
  38. Laminated springs
  39. Failure theories under complex stress

A sample from this course

One topic, as StudyPath teaches it.

Cutting action in machining

Cutting action in machining is the fundamental process by which a tool removes material from a workpiece to form a desired shape. Mastering the mechanics of chip formation, tool geometry, and the interaction between tool and material is essential for predicting surface finish, tool life, and machining efficiency, all of which are key assessment points in the NUC CCMAS, NBTE, and NCCE exams.

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