About Lesson
In this lesson you will learn about facemills and endmills and how and where to use them
(1) Compare CNC to non CNC
Critically compare: production (mass, flow, batch, job), ease of programming, repeatability, prototypes, skill levels and other factors.
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(2) Operating principles of a CNC
Operating principles: open loop system, closed loop system, control systems (closed loop servo motors associated transmission, stepper motors and associated transmission), types and function of position transducers (rotary type, optical gratings), digital control
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(3) CNC Operation
How to operate a CNC in the differnet modes
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(4) Cutting Tools
Cutting tools materials: high carbon steel (HCS), high speed steel (HSS), tungsten carbide, ceramic.
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(5) How to produce a CNC Program
Part-programme: co-ordinate positioning (absolute, incremental), use of sub-routines, macros and canned-cycles, role of CADCAM
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(6) How to prove the Program
Learn how a program is first tested using a computer program and on the actual CNC Machine
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