3) On which unit is the tool setting done on NC machine ?

On special device away from the machine

On machine itself while the other operations are being performed

On the NC machine during idle time

On the pre-setting setting

Answer is:

On the pre-setting setting

Reduces inspection time

Reduces tooling time

Higher initial cost

Higher rate of production

Answer is:

Explanation:

Cost of CNC Machine is high when compared with other conventional machines.

Reference point

Machine zero point

Work zero point

Programme zero point

Answer is:

Explanation:

CNC lathe machines have built-in coordinate measuring system. The zero position on the co-ordinate system is called Machine zero point

Increase the tool offset by 0.1 mm

Decrease the tool offset by 0.1 mm

Increase the tool offset by 0.05 mm

Decrease the tool offset by 0.05 mm

Answer is:

Programme

Operator

Cam

Plug board system

Answer is:

Explanation:

CNC machines are not normally operated. They are controlled by means of a Programme.