VMC Machine Operator Interview Questions and Answers for Freshers

CNC stands for Computer Numerical Control and VMC stands for Vertical Machining Center.

• CNC - Computer Numerical Control is a system where a computer controls the movement of machinery and tools in manufacturing processes.

• VMC - Vertical Machining Center is a type of milling machine with a vertically oriented spindle that can perform various machining operations.

• Example: CNC machines are used in industries like automotive, aerospace, and electronics for precision manufacturing....read more

There are various types of measuring instruments used in machining, including calipers, micrometers, height gauges, and dial indicators.

• Calipers

• Micrometers

• Height gauges

• Dial indicators

The least count of a vernier caliper is typically 0.02 mm or 0.001 inches.

• The least count is the smallest measurement that can be read on the scale of the vernier caliper.

• For metric vernier calipers, the least count is usually 0.02 mm.

• For imperial vernier calipers, the least count is typically 0.001 inches.

Snap gauge measures the outside diameter of a workpiece.

• Snap gauge is used to quickly and accurately measure the outside diameter of a workpiece.

• It consists of a frame with two anvils that can be adjusted to fit the workpiece.

• The anvils are brought into contact with the workpiece, and the measurement is read from the gauge.

• Snap gauges are commonly used in machining and manufacturing processes to ensure precision and quality.

• Example: Snap gauge is used to measure the diameter ...read more