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Type: Posts; User: sbaer

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  1. Can I buy an aftermarket encoder with hall sensors

    I am looking to replace the encoder of a Sanyo Denki motor with one with integrated hall sensors. The motor has four poles, I would like a 2000 or greater line count encoder. Does someone sell such...
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    Re: Brother TC229 Linux CNC retrofit

    Thanks for the reply. My machine came with a 10 000 rpm spindle, I did not see any provision for cooling. We played around with the toolchanger on Friday. One thing we found is that it takes a lot...
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    Re: Brother TC229 Linux CNC retrofit

    Thanks, I am hoping the ATC programming will not be too hard, I think orienting the spindle using the VFD will be the trickiest part.
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    Brother TC229 Linux CNC retrofit

    Hi

    Four month ago I bought a perfectly good TC229 with the conversational control for about $7000 with the conversational control. I went to some trouble to get one that was in good shape...
  5. Spent a few hours making a special cable to allow...

    Spent a few hours making a special cable to allow me to probe the wires linking the controller to the amplifier with an oscilloscope and have come to the conclusion that the there is some form of...
  6. The research I did suggested you need to find a...

    The research I did suggested you need to find a servo drive that does a "wake and shake" routine to coordinate the motor commutation with the motor encoder pulses. The Allen Bradley Ultra3000 drives...
  7. Can an AB Ultra3000 Sercos drive be run without Sercos network

    I have successfully run a Sankyo Denki servo motor with incremental encoder very similar to the ones on my Brother TC229 with an Allen Bradley 2098-DSD-010 controller. I will post the motor...
  8. Brother TC229 retrofit, can I keep the original servo drives

    I have a perfectly functional Brother TC229 with a conversational control that I would like to replace with LinuxCNC, I plan to use this machine as tool to make money and am prepared to spend several...
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    The motor could be heating up due to iron losses...

    The motor could be heating up due to iron losses which are frequency (rpm) related. the faster the motor spins the higher the eddy current and hysteris losses in the laminations, does not matter if...
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