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  1. #1
    Join Date
    May 2025
    Posts
    0

    PLC Based CNC Router Concept

    Hello Experts,

    Is there any passionate Engineers to help me?
    I am very passionate but not that smart..!

    I am planning to build a "Very basic 3 Axis CNC Router" Controller Based ON HMI Screen and any PLC with G-code Support.
    I have experience only in Mach3, Which is PC Based.

    As we Know ,In Mach3 , The Step/Dir Signals Can be manually tweaked through a Dialog Box.
    Also Velocity,Acceleration,Pulses needed for a particular distance of travel are all set within those dialog Boxes.

    The Real time tool path Visualisation
    Scrolling through G Code Lines Being streamed
    Machine CoOrdinates
    Offset Coordinates
    E stop and Alarm Status
    Homing Settings
    Colorful Buttons with Customisable Ui

    All these are good features of Mach3.
    But since it is Old, There are some bugs and speed limitations.

    How Can I accomplish this using a PLC and HMI and some stepper system?
    The Overall structure is different.!

    How Can I approach this?

    Challenges are as shown below

    Selecting the most economic PLC that supports G Code execution
    Selecting an HMI Screen for this Purpose.
    Configuring the PLC to Read G-code from a USB plugged to it
    Configuring the PLC to send motion Commands to the Servo/Stepper Drives based on that Gcode File.
    Setting Up Velocity and Acceleration
    Setting up Pulses per Every millimeter or the method it prefers

    Designing a UI with Basic interactive Graphics and Buttons
    Gcode Lines/Coordinate Readings/Alarm Status/Tool Path visualisation If possible
    Connecting HMI to that PLC
    ..etc

  2. #2
    Join Date
    May 2025
    Posts
    0

    Re: PLC Based CNC Router Concept

    If somebody is expert in this, I can book consultations..!
    I need a walkthrough ..!

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