Replace both cogs and the belt with the stronger GT style, and also choose a
wider belt. (Nevermind that I went with XL on my 9x20 leadscrew drive mainly
because I already had a 22 tooth cog that fit the motor, and found a dirt cheap
44 tooth cog on jet.com )
Somewhere on the web are calculators where you plug in the belt style, center
distance and drive ratio then it spits out belts and pulleys that will fit (or
at least come close) to what will fit.
For my leadscrew drive I had the center distance a bit off at 77mm. Thought I
was going to need an idler (no prob since I have a couple of small XL pulleys)
but the fit ended up perfect, have to install both pulleys and belt
simultaneously.
Of course I planned it that way...
From: Gene Heskett <[email protected]>
To: [email protected]
Sent: Monday, May 30, 2016 7:14 PM
Subject: [Emc-users] drive belt for 7x12 NOT OEM
Hi all;
For want of a better project to keep me out of the bars tonight, I went
out and extracted the stripped belt off the toy lathe just now, find it
well labeled as a 130XL037, 3/8" wide, 65 tooth belt. It appears that I
had already replaced the ultra teeny drive pulley that stripped the last
belt easily had already been replaced with a 15 tooth model. So even
with about 7 cogs fully engaged, this motor still had the cojones to
strip the teeth off the belt.
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