the older bp's used regular H timing belts. you need to know the width and length and you should be able to find them
Hi everyone,
I just got our retrofitted Interact 4 going and am looking to replace the belts. Does anyone have details of the Z axis belt? The part number is 21577987 (https://www.amazon.com/Bridgeport-BP...=octopart00-20)
I would prefer to buy locally so if anyone has any details, like length, teeth number, width and tooth pitch, or just a generic part number, that would be greatly appreciated.
Cheers,
Ben
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the older bp's used regular H timing belts. you need to know the width and length and you should be able to find them
Aluminum frame CNC router, JET GHB-1340 Lathe conversion, Bridgeport BOSS Retrofit, I'm gonna be busy for a while.
Thanks dbsharp. I found some details in the service manual, but ended up taking the Z axis (feed) belt off and measuring it as I couldnt see it in the manual. Here's what I ordered, for future reference I'll reply with how they turn out.
X axis- 1577994 - 720-8m-20
Y axis- 15779879 - 1400-8h-20
Z axis- 1440-8m-20
Spindle - 1577952 - Belt Poly-V 727L10
Changed all belts. These worked:
X axis - 720-8m-20
Y axis - 960-8m-20
Z axis - 1440-8m-20
Spindle - Poly-V 727L10