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  1. #1
    m_c's Avatar
    Lives in East Lothian, United Kingdom. Last Activity: 8 Hours Ago Forum Superstar, has done so much to help others, they deserve a medal. Has a total post count of 2,967. Received thanks 368 times, giving thanks to others 8 times.
    For the spindle motor, you need at least a basic SCR drive. Most common are KBIC drives, but you have to be aware the control circuitry is non-isolated, and floats near mains voltage. You can get isolated versions.
    IIRC Sprint also do fully isolated SCR drives. If you do a search on RS for "Sprint drive" they have various options.


    I've not watched the video, but I'd guess the X-axis motor is simply stalling. It's what happens if you try pushing a stepper motor too hard. Either drop max speed, or drop acceleration.
    Avoiding the rubbish customer service from AluminiumWarehouse since July '13.

  2. #2
    Hello.

    I’m creeping towards the finish line on the milling machine conversion and have hit another snag, while trying to find the stall point of the x-axis I managed to cook the ‘single phase RFI filter’. I’m looking for a replacement, but can’t find an exact match. I don’t know much about these, would someone mind advising how to find a suitable replacement please?

    Here’s the info on the one I smoked.

    Single phase RFI Filter
    Type: RS 1010-IDF
    10A@40C, 250VAC, 50 - 60Hz
    HPF -25C to + 85C

    I’ve found this one on eBay, but it’s rated at 14A, will that be an issue?

    https://rover.ebay.com/rover/0/0/0?m...2F112625692608

    Many thanks. Dan

    Click image for larger version. 

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  3. #3
    A higher current rating won't be a problem.Its only when you go lower that you have to be careful.

  4. #4
    Thanks for the help Sterob. Just to confirm, because I really don’t want to buy the wrong thing and trash over a years work. The one on eBay is labelled ‘Mains input’ and ‘inverter’ where the one I have removed from my machine is labelled ‘load’ and ‘line’.

    Am I right to assume ‘line’ and ‘mains input’ are the same and ‘inverter’ and ‘line’ are the same? I’ve attached an image of the eBay item I’m referring to.

    Click image for larger version. 

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    Dan

  5. #5
    Clive S's Avatar
    Lives in Marple Stockport, United Kingdom. Last Activity: 15 Hours Ago Forum Superstar, has done so much to help others, they deserve a medal. Has a total post count of 3,345. Received thanks 618 times, giving thanks to others 83 times. Made a monetary donation to the upkeep of the community. Is a beta tester for Machinists Network features.
    Am I right to assume ‘line’ and ‘mains input’ are the same and ‘inverter’ and ‘line’ are the same? I’ve attached an image of the eBay item I’m referring to.
    You are correct
    ..Clive
    The more you know, The better you know, How little you know

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