CNC Operator cum Programmer Interview Questions and Answers

Gcode and Mcode are machine codes used in CNC turning and milling.

• Gcode is used to control the movement of the cutting tool in CNC machines.

• Mcode is used to control the machine functions such as turning on/off the spindle, coolant, etc.

• Examples of Gcode include G00 for rapid positioning, G01 for linear interpolation, and G02/G03 for circular interpolation.

• Examples of Mcode include M03 for spindle on clockwise, M04 for spindle on counterclockwise, and M08/M09 for coolant on/of...read more

Step turning program is used to create a series of steps on a cylindrical workpiece.

• Step turning involves cutting a series of steps on a cylindrical workpiece using a lathe machine.

• The program specifies the depth and width of each step, as well as the distance between them.

• Step turning is commonly used in the production of shafts, pins, and other cylindrical components.

• The program can be created using CAM software or manually using G-code programming.

• The finished workpiece wi...read more