Newbie Grbl - Arduino - Brushless spindle PWS


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Thread: Grbl - Arduino - Brushless spindle PWS

  1. #1
    Member Cloughie's Avatar
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    Red face Grbl - Arduino - Brushless spindle PWS

    I am currently in the process of ordering/researching my first CNC engraving/milling machine. I have built and run various DIY 3D printing setups but this is the first time I have looked at things of a spindly nature! I'm very much a hobbyist and wanted something simple that would allow me to both tinker and learn with but that said I find myself in need of some help and advice.

    I have decided to start with Grbl on an Arduino Uno and DM542 Stepper Motor Drivers.


    https://www.aliexpress.com/item/3297...71164c4dL8JMkj

    https://github.com/gnea/grbl/wiki/Connecting-Grbl


    This part I feel happy with but it is the Spindle side of things that I am unsure about. I would like to control the spindle speed through PWM and I wanted to know if connecting a PWM to Voltage Converter Module would function in tandem with a WS55-220 Brushless DC Motor Driver and 500w Brusless motor?


    PWM to Voltage Converter Module 0%-100% to 0-10V for PLC MCU Digital to Analog Signal

    https://www.aliexpress.com/item/3287...archweb201603_

    https://www.aliexpress.com/item/4000...,searchweb2016


    I haven't included any power input information as I feel that is for another discussion (or set of questions!) I really just wanted to know if I was on the right lines or way off in my understanding. Any help and opinions would be gratefully received - but please be gentle

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    Attached Thumbnails Attached Thumbnails Grbl - Arduino - Brushless spindle PWS-pwm-voltage-converter-jpg  


  2. #2
    Member Cloughie's Avatar
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    Default Re: Grbl - Arduino - Brushless spindle PWS

    Ok, I'm assuming that my original post was so far off regarding the compatibility of a PWM to voltage converter module - WS55-220 Brushless DC Motor Drive - 500w brushed spindle that no one wanted to tell me how stupid I was being? So I'm back for another go.......

    https://www.aliexpress.com/item/3234...archweb201603_

    Would I be correct in thinking that I could use an Arduino Uno with a PWM to voltage converter module with a brushed 500w spindle to achieve PWM control through Grbl? Apologise in advance for the state of the attached image!

    Attached Thumbnails Attached Thumbnails Grbl - Arduino - Brushless spindle PWS-attempt2-jpg  


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