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CNC TURNING CENTER ELEMENTS PROGRAMMING - Quiz
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CNC TURNING CENTER ELEMENTS PROGRAMMING
1) Which is the disadvantage of NC system?
Accuracy cannot be a change
Increase compound rejection
Skilled operator involves
If tape is spoiled, entire program is affected
2) Which guide way separate the surface contact between the sliding parts by a thin layer of fluid?
Flat guide way
Vee guide way
Hydrostatic guide way
Dovetail guide way
3) When the machine moves 25.49 mm for the commond X = 25.50 mm, what must be the positional accuracy?
0.001 mm
0.01 mm
0.1 mm
1 mm
4) What should be the safety precaution for holding the work piece to the lathe chuck?
Cleaned
Measured
Clamped securly
Polished
5) Which part provides linear travel to the tool in CNC lathe?
Lead screw
Ball screw
Warm wheel
Rack and Pinion
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