1. a) What is NC? What are the major advantages of CNC machine tool compared to its conventional counter part?
b) How do you designate the coordinate axes for a CNC lathe? Show them diagrammatically on a rough sketch of a lathe.
2. a) How BCD system differs from Binary system? Explain how the eight track tape coding is specified in ISO and EIA.
b) Explain important features of a CNC machining centre.
b) How do you designate the coordinate axes for a CNC lathe? Show them diagrammatically on a rough sketch of a lathe.
2. a) How BCD system differs from Binary system? Explain how the eight track tape coding is specified in ISO and EIA.
b) Explain important features of a CNC machining centre.
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