CNC TURNING CENTER ELEMENTS PROGRAMMING - Practice Mode

1) Which is general safety in CNC turning?

Do not use non standard tools / holders Check the voltage and current Check the chuck function Check the programme control levels

Correct Answer: Do not use non standard tools / holders

2) What is the safety check on the CNC machine after start?

Check the chuck function Check the voltage and current Check the hydraulic tank oil level Check the clamping stock

Correct Answer: Check the chuck function

Explanation:

Revolving Centres are Frictionless. Used for supporting heavy jobs and jobs revolving with high speeds. A high-speed steel inserted centre is supported by two bearings housed in a body. It is also called the revolving dead centre.

3) What is the first step to stop CNC machine of an accident happen while working?

Switch off regulator Press emergency switch Reset machine Reset regulator

Correct Answer: Press emergency switch

4) Which motor control the axes of CNC machine?

Air motor DC series motor Servo motor Hydraulic motor

Correct Answer: Servo motor

5) Which mechanism reduces the back lash of CNC lathe?

Stopper Clutch Recirculating ball screw with nut Break

Correct Answer: Recirculating ball screw with nut

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