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IndustryArena Forum > MetalWorking Machines > Uncategorised MetalWorking Machines > How to disassemble Chinese BT30 Spindle
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  1. #1
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    Apr 2021
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    How to disassemble Chinese BT30 Spindle

    Hello all, I need some help here.

    Just received my BT30 spindle from Aliexpress today and I have plans to change out the stock bearings with higer speed ones in few weeks time.
    The problem is I can't seem to unscrew the nut on the drawbar assembly using a wrench. Do I need a specialised tool for that nut?
    Attached is a pic of the mentioned nut in the yellow box.

    Thank you in advance for any help!
    Attached Thumbnails Attached Thumbnails drawbar-resize.jpg  

  2. #2
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    Mar 2014
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    1044

    Re: How to disassemble Chinese BT30 Spindle

    It is threaded I think. Does it not have flats to fit a wrench?

    Sent from my MI 5s Plus using Tapatalk

  3. #3
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    Join Date
    Apr 2021
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    Re: How to disassemble Chinese BT30 Spindle

    Quote Originally Posted by Azalin View Post
    It is threaded I think. Does it not have flats to fit a wrench?

    Sent from my MI 5s Plus using Tapatalk
    I just figured it out. The collar below the nut needs to be removed first by loosening the grub screws on it's side.
    Next, loosen the 3 grub screws on the pulley to get it off the spindle shaft, and then I have access to the bolts on the cap below.
    I'll figure out the rest later today.

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