Problem Spindle Bracket Removal


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Thread: Spindle Bracket Removal

  1. #1

    Default Spindle Bracket Removal



    Working to downsize from a Porter-Cable bracket to an 80 mm Spindle.
    I finally got all the parts and prewired the VFD - so I started the teardown,

    I used locktite during build and now I cannot loosen the (10-32 I think) screws more than about one turn.
    Can't tighten back either - guess I shouldn't have used the red stuff.

    So, I can't use the router and I can't remove the bracket.

    I need my machine up and running ASAP and was looking for advice or the P/N to buy a replacement Z-Axis plate.

    Comments welcome

    I use the Saturn almost daily and it is a great tool for everything I do.
    Decided to go away from the air cooled router primarily to help manage dust.

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    Attached Thumbnails Attached Thumbnails Spindle Bracket Removal-img_5165-jpg   Spindle Bracket Removal-img_5166-jpg   Spindle Bracket Removal-img_5165-jpg  


  2. #2
    Member ger21's Avatar
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    Default Re: Spindle Bracket Removal

    Put a torch on the screw heads for 30 seconds.

    Gerry

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  3. #3

    Default Re: Spindle Bracket Removal

    Thanks for the suggestion - I tried propane and held it on the bolt threads from the back side (removed the Z-axis plate from the machine) for a couple minutes. Still not getting it. I read where the Red needs to be heated to 500 degrees before letting go. Easier said than done using a propane torch on a block of steel the size of the Z-Axis plate. So I'll keep trying but it's kinda tough getting a 1/8 Allen wrench in the pocket with the metal at that temperature.

    UPDATE!: With the help of my lovely wife, we were able to heat the entire Z-Axis plate to reach the 500 degrees needed to break the Loctite free. This took about 30 min for the first bolt and another 5 minutes for the following three. Needless to say, both pieces (plate and spindle mount) were pretty hot when we finished.

    Last edited by MonsterRobotics; 07-07-2017 at 09:17 PM. Reason: update


  4. #4
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    Default

    Hopefully the linear bearings (that have a lot of plastic internally) that are attached right behind the plate took no damage from the heat...



    Quote Originally Posted by MonsterRobotics View Post
    Thanks for the suggestion - I tried propane and held it on the bolt threads from the back side (removed the Z-axis plate from the machine) for a couple minutes. Still not getting it. I read where the Red needs to be heated to 500 degrees before letting go. Easier said than done using a propane torch on a block of steel the size of the Z-Axis plate. So I'll keep trying but it's kinda tough getting a 1/8 Allen wrench in the pocket with the metal at that temperature.

    UPDATE!: With the help of my lovely wife, we were able to heat the entire Z-Axis plate to reach the 500 degrees needed to break the Loctite free. This took about 30 min for the first bolt and another 5 minutes for the following three. Needless to say, both pieces (plate and spindle mount) were pretty hot when we finished.




  5. #5
    Community Moderator difalkner's Avatar
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    Default Re: Spindle Bracket Removal

    It's a little late but it is much easier to use a ratchet with extension through the holes in the front. Mine went on in minutes using the tools shown here (and blue is sufficient for these bolts) - glad you got it off, though.

    David

    Spindle Bracket Removal-166-tools-fastening-spindle-mount-jpg

    David
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