G01 linear interpolation (cutting feed) in CNC Programming - Mini Project: Build & Apply

G01 Linear Interpolation (Cutting Feed) CNC Program

📖 Scenario: You are programming a CNC machine to cut a straight line from one point to another using linear interpolation. This is a common task in manufacturing where the machine moves the cutting tool in a straight path at a controlled feed rate.

🎯 Goal: Build a simple CNC program using the G01 command to move the tool linearly from the start point to the end point at a specified feed rate.

📋 What You'll Learn

Create variables for start and end coordinates (X and Y).

Create a variable for the feed rate (F).

Use the G01 command to move the tool linearly to the end coordinates at the feed rate.

Print the final CNC command line.

💡 Why This Matters

🌍 Real World

CNC machines use G01 commands to move cutting tools in straight lines at controlled speeds, essential for shaping metal, wood, or plastic parts.

💼 Career

Understanding G01 linear interpolation is fundamental for CNC programmers and machinists to create precise and efficient manufacturing programs.

1

Set Start and End Coordinates

Create variables called start_x, start_y, end_x, and end_y with these exact values: start_x = 0, start_y = 0, end_x = 50, end_y = 25.

CNC Programming

# Your code here

Hint

Use simple variable assignments for each coordinate.

2

Set Feed Rate

Add a variable called feed_rate and set it to 150 to represent the cutting feed rate.

CNC Programming

start_x = 0
start_y = 0
end_x = 50
end_y = 25
# Your code here

Hint

Feed rate is usually set with the letter F in CNC commands.

3

Create G01 Linear Interpolation Command

Create a string variable called g01_command that uses the G01 command to move to the end coordinates end_x and end_y at the feed rate feed_rate. Format it exactly as: G01 X50 Y25 F150 using f-string formatting.

CNC Programming

start_x = 0
start_y = 0
end_x = 50
end_y = 25
feed_rate = 150
# Your code here

Hint

Use an f-string to insert the variables into the command string.

4

Print the G01 Command

Print the variable g01_command to display the final CNC command.

CNC Programming

start_x = 0
start_y = 0
end_x = 50
end_y = 25
feed_rate = 150
g01_command = f"G01 X{end_x} Y{end_y} F{feed_rate}"
# Your code here

Hint

Use the print function to show the command.