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26-09-2010 #1
Hi guys just had my gearbox go my mill got no hi / low was working then made some
funny sounds then it stoped thought it would be the nylon gear on top but no thats in mint condition lol
going to strip it down tomorrow to see whats going on it a Xj9512 mill china thing i think lol
basicley a variants of the X2
looking for a belt drive convertion at a cheep cheep price broke lol
would make it my self but dont have a lathe to make pulleys
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26-09-2010 #2
Found RGDTools cheap for pullys....
http://www.rdgtools.co.uk/acatalog/P...g_Section.html
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26-09-2010 #3
George,
The pulleys have to be specific sizes and bores to fit the machine, stock pulleys won't fit and the guy doesn't have a lathe............................................. .......John S -
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26-09-2010 #4
There are different bore sizes on almost all the pullys in RGD site ie same size pully but with different bores.
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26-09-2010 #5
Oh wow,just had a look at that X2mill parts list and they're using the same head stock as used on the C2and C3 MiniLathe. lol
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26-09-2010 #6
Yup same lathe you have.
Right he needs two 2 step pulleys one bored 9mm and one bored 1.180" and keywayed, remember, no lathe............John S -
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26-09-2010 #7
Don't one of the pullys fit on the spindle?
Spindle size here......
http://www.littlemachineshop.com/pro...7SpindleR8.pdf
http://www.littlemachineshop.com/pro...Spindle3MT.pdf
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26-09-2010 #8
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26-09-2010 #9
Scott,if you're going to strip it down? suggest you strip it down in sections? and over a deepish tray to catch any unsuspecting ball bearings,springs,ect ect as I found out on my lathe a spring holding a ball bearing in place went the other side of the room(needle in a haystack senario) took me ages to locate where it went and her indoors thought I'd flipped because I was brushing up. lol
Incidently this spring and ball bearing was in the headstock housing that put a bit of stiffness to the Hi-Low gear lever.
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27-09-2010 #10
glad i took your advice knocked the spindle out and found the bottom bearing is not a one peice item all the balls fellout lol
good job i did coz it was as dry as a bone no damage though . not one gear made it all were broken there made with a crappy plastic
i broke one in my hand lol bet they used wd40 or some thing to loob it at the factory some oils make plastic brital they even painted the bearings dont help
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