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Type: Posts; User: DaveD

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  1. Re: Teardown Fanuc Model O servo motors in Hurco BMC-20

    I've got it disassembled, and wanted to record for posterity how to do it.

    1. The timing belt pulley is secured by a nut and lockwasher at the end of the spindle, The nut and lockwasher must be...
  2. Teardown Fanuc Model O servo motors in Hurco BMC-20

    I've got 3 Fanuc Model O servo motors in a Hurco BMC-20 that need rebuilding. I can't see how to open the driven-end plate to remove the spindle and pull the driven-end bearing. I've included two...
  3. Replies
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    1,199

    Re: How hard would these connectors be to find?

    As others have stated above, these connectors are pretty standard and can definitely be obtained new (Mouser, Digikey, etc.) or on ebay. One of the many nice things about these connectors is that...
  4. Bloke and Fasto, Hey, some good news! The...

    Bloke and Fasto,

    Hey, some good news! The control is booting, the Graphics Screen displays a "Max32" splash screen, and 17 of the 20 green console LEDs turn off at the end of the boot sequence;...
  5. Bloke, I lifted the blue RST wire, and...

    Bloke,

    I lifted the blue RST wire, and rebooted. It didn't make any difference that I could see. Certainly worth a try. By the way, with the blue wire disconnected the CRT Controller 2 Board...
  6. Bloke, Thanks very much for your reply! I...

    Bloke,

    Thanks very much for your reply! I think our last 2 messages passed each other in transit.

    I received these 5 diskettes with the BMC-20:

    1. Disks 1 through 3 of: "Max 32 DA...
  7. Fasto, Thank you very much for your detailed...

    Fasto,

    Thank you very much for your detailed response!

    On the graphics CRT: Yes, I do recall the Ultimax logo splash screen at boot time, back when things were working a bit better! I don't...
  8. Bloke and Fasto, Thank you very much for both...

    Bloke and Fasto,

    Thank you very much for both your replies!


    I changed the 5 Volt output of the power supply to be 5.25 VDC at the supply's output terminals.
    I checked for AC ripple on all...
  9. I've done my best to recall, and I really don't...

    I've done my best to recall, and I really don't think I've done any work on the mill since I found the dead HSync output. I haven't been into the Multibus chassis at all. I will go through and...
  10. BMC-20 with Max32 upgrade - console fails at power-up.

    I've got a BMC-20, s/n BH8009039H, with a control upgraded to MAX 32. It has the twin-CRT text/graphics Ultimax console, and Fanuc spindle and servo drives. I bought it used, and have been having...
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    Welcome to the forum. The device you've...

    Welcome to the forum.

    The device you've outlined would be good for making very "regularly wound" pickups, that is, pickups consisting of even, symmetrical coils of wire, uniformly spread from...
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