CNC Programming Essentials

What does CNC stand for?

• Centralized Numerical Control

• Computer Network Control

• Computer Numerical Control

• Computerized Numeric Command

Which programming language is commonly used for CNC machines?

• Python

• Java

• C++

• G-code

What is the primary function of G-code in CNC programming?

• The primary function of G-code in CNC programming is to control the movement and operation of CNC machines.

• To generate 3D models for CNC machines.

• To manage the supply chain of CNC materials.

• To provide safety protocols for machine operation.

What is the purpose of a tool path in CNC machining?

• To determine the speed of the CNC machine.

• The purpose of a tool path in CNC machining is to guide the cutting tool along a predetermined route to accurately shape the workpiece.

• To calculate the cost of the machining process.

• To select the type of material for the workpiece.

What does the G-code command G00 represent?

• Rapid positioning

• Slow positioning

• Tool change command

• Spindle speed adjustment

Which axis is typically associated with vertical movement in CNC machines?

• X-axis

• Z-axis

• Y-axis

• W-axis

What does the M-code command M03 do?

• Starts the spindle in a clockwise direction.

• Turns on the coolant system.

• Stops the spindle from rotating.

• Starts the spindle in a counterclockwise direction.

What safety measure should be taken before operating a CNC machine?

• Adjust the feed rate before starting

• Wear appropriate personal protective equipment (PPE).

• Check the power supply only

• Ignore the machine's manual