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IndustryArena Forum > CNC Electronics > Stepper Motors / Drives > help - where can i buy timing belt pulleys for a Vectrax upgrade
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  1. #1
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    help - where can i buy timing belt pulleys for a Vectrax upgrade

    I'm upgrading an older Vectrax cnc Big Bridgeport style mill.
    I bought the Nema 42 kit from AutomationTechnologies.
    Nema 42 motors are 3/4" bore. and the original pulleys are smaller.
    I have L belts and pulleys 3/4 wide by .375 pitch but i need to replace the motor pulleys.

    Who do you recommend ?

  2. #2
    Community Moderator Jim Dawson's Avatar
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    Re: help - where can i buy timing belt pulleys for a Vectrax upgrade

    Last time I needed to replace motors I just bored the pulleys to fit the new motors.

    Or a good option is Ametric https://www.ametric.com/

    Mcmaster Carr https://www.mcmaster.com/timing-belt-pulleys

    Automation Direct https://www.automationdirect.com/adc...ts_-a-_pulleys)
    Jim Dawson
    Sandy, Oregon, USA

  3. #3
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    Re: help - where can i buy timing belt pulleys for a Vectrax upgrade

    Quote Originally Posted by GUIDOSAN View Post
    I'm upgrading an older Vectrax cnc Big Bridgeport style mill.
    I bought the Nema 42 kit from AutomationTechnologies.
    Nema 42 motors are 3/4" bore. and the original pulleys are smaller.
    I have L belts and pulleys 3/4 wide by .375 pitch but i need to replace the motor pulleys.

    Who do you recommend ?
    thanks for the leads - I did rebore one , one is damaged
    I really appreciate the reply

  4. #4
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    Re: help - where can i buy timing belt pulleys for a Vectrax upgrade

    Quote Originally Posted by GUIDOSAN View Post
    thanks for the leads - I did rebore one , one is damaged
    I really appreciate the reply
    3/4 wide seems a little light for that size machine the old Bridgeport CNC machines use 1"wide H section Timing Pulleys and Belts

    Here is a good supply also
    https://www.brecoflex.com/products/t...elts/t-series/
    Mactec54

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