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IndustryArena Forum > MetalWorking Machines > Cincinnati CNC > Arrow 2 axis motor coupler...
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  1. #1
    Join Date
    Oct 2011
    Posts
    205

    Arrow 2 axis motor coupler...

    Hey guys, anyone here ever replace the red plastic coupler between the motor and ball screw? I am having a hard time finding a replacement for the original ones that basically fell apart.
    Attached Thumbnails Attached Thumbnails 20200903_093257.jpg  

  2. #2
    Join Date
    Nov 2012
    Posts
    1267

    Re: Arrow 2 axis motor coupler...

    Search for "spider insert". Those are common replacement parts, you just have to determine the correct size. Measure the diameter and look for any markings.

    Some time ago I had one of those failed in a vacuum pump. I CNC'd a temporary replacement out of PVC foam. Worked perfectly fine for a month until the real part arrived.

  3. #3
    Join Date
    Mar 2008
    Posts
    283

    Re: Arrow 2 axis motor coupler...

    We can help you with the Spider, Contact Cincinnati Tech-Support at Fives-MSI. 1-800-934-0735 Tech-Support-Cincinnati.

  4. #4
    Join Date
    Oct 2011
    Posts
    205
    Quote Originally Posted by gwood View Post
    We can help you with the Spider, Contact Cincinnati Tech-Support at Fives-MSI. 1-800-934-0735 Tech-Support-Cincinnati.
    I called Lissa in Canada a week ago and still no answer. Someone at your place called me and was looking into it for me yesterday. Hoping to hear back soon.

  5. #5
    Join Date
    Dec 2006
    Posts
    584

    Re: Arrow 2 axis motor coupler...

    This is a LOVEJOY coupling, just buy a new complete coupling to get your machine running.

    MIKE CNC Machine Services INC | Cincinnati Milacron MachinesCNC Machine Services

  6. #6
    Join Date
    Oct 2011
    Posts
    205

    Re: Arrow 2 axis motor coupler...

    Found a suitable replacement. " Lovejoy GS 24 Spider 98A Red"

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