Pemrograman manual CNC Bubut pada bidang miring | Bubu Champer

Introduction

This tutorial will guide you through the process of manually programming a CNC lathe for sloped surfaces, as demonstrated in the video by Bubu Champer. Understanding CNC programming is essential for machining complex shapes and improving efficiency in manufacturing processes. This guide will provide you with the necessary steps to get started with CNC lathe programming for inclined surfaces.

Step 1: Understanding CNC Programming Basics

Before diving into the programming, familiarize yourself with fundamental CNC programming concepts:

• G-Codes: These are commands that tell the CNC machine what type of movement to make (e.g., G00 for rapid positioning, G01 for linear interpolation).
• M-Codes: These codes control miscellaneous functions (e.g., M03 for spindle on, M05 for spindle off).
• Coordinate System: Know the machine's coordinate system (X, Y, Z axes) and how it translates into movements.

Step 2: Setting Up the CNC Lathe

Prepare your CNC lathe for programming:

• Machine Calibration: Ensure the machine is calibrated correctly.
• Tool Selection: Choose the appropriate cutting tools based on the material and desired finish.
• Workpiece Setup: Secure the workpiece on the lathe, ensuring it is positioned accurately.

Step 3: Writing the CNC Program

Begin writing your CNC program for machining the inclined surface:

1. Start with the Program Header:

   • Include program identification and setup commands.
   • Example:

     O1000 (Program Number)
     G21 (Set units to millimeters)
     G90 (Absolute positioning)
     

2. Define Tool Changes:

   • Use the appropriate tool for the operation.
   • Example:

     T01 M06 (Tool change to Tool 1)
     

3. Program the Machining Process:

   • Use G-code commands to define movements.
   • Example for inclined surface machining:

     G00 X0 Z0 (Rapid move to starting position)
     G01 X10 Z-10 F100 (Linear interpolation to inclined position)
     

4. Ending the Program:

   • Use M codes to stop the spindle and end the program.
   • Example:

     M05 (Stop spindle)
     M30 (End program)
     

Step 4: Simulation and Testing

Before executing the program on the actual machine, simulate it:

• Use CNC Simulation Software: This helps visualize the tool path and catch potential errors.
• Check for Collisions: Ensure no parts of the machine or workpiece will interfere during operation.

Step 5: Executing the Program

Once you are confident with the simulation:

• Load the Program into the CNC Machine: Transfer the program file to the CNC lathe.
• Run the Program: Start the machining process and monitor for any irregularities.

Conclusion

In this tutorial, you learned the fundamental steps for manually programming a CNC lathe for inclined surfaces. Key points include understanding CNC programming basics, setting up the machine, writing the program using G and M codes, simulating the process, and executing the program. As you gain experience, consider experimenting with more complex shapes and operations to enhance your CNC programming skills. Happy machining!