E M Shivamani Engineering CNC Machine Operator Interview Questions and Answers

G codes are commands used in CNC machining to control the movement and functions of the machine.

• G00 - Rapid positioning

• G01 - Linear interpolation

• G02 - Circular interpolation (clockwise)

• G03 - Circular interpolation (counterclockwise)

• G04 - Dwell

• G20 - Inch units

• G21 - Millimeter units

• G28 - Return to home position

• G90 - Absolute programming

• G91 - Incremental programming

Various measuring instruments used in CNC machine operation include calipers, micrometers, height gauges, dial indicators, and coordinate measuring machines.

• Calipers: Used to measure distances between two opposite sides of an object.

• Micrometers: Used to measure very small distances or thicknesses.

• Height Gauges: Used to measure the height of a workpiece or tool.

• Dial Indicators: Used to measure small linear distances and...read more

Kaizen is a Japanese term meaning continuous improvement, while 5S is a workplace organization method.

• Kaizen focuses on making small, incremental improvements in processes and systems.

• 5S stands for Sort, Set in Order, Shine, Standardize, and Sustain.

• It aims to create a clean, organized, and efficient work environment.

• For example, sorting involves removing unnecessary items from the workspace.

• Standardizing ensures that ...read more