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Brian, Architect
Category: Home Improvement
Satisfied Customers: 2153
Experience:  Licensed Architect- 17 years, L.E.E.D. AP
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I'm trying to repair an obsolete 4X6 bandsaw worm/gear

Customer Question

I'm trying to repair an obsolete 4X6 bandsaw worm/gear transmission. Ordered worm & gear which appeared to match the original, but the gear wheel is slightly larger in diameter than the original. When I compare the worms (1" PD) they both appear to be the same size, although I see that the lead angle is slightly different. The 20 tooth replacement gear wheel P.D. (1.667) is slightly larger (just enough that the set will not fit into the bearings ). The replacement worm & wheel appear to be a properly matched set and mfgr. I.D. #'s appear to be consistent with matching parts. Does the different lead angle change the diameter of the gear wheel? Costs of ordering custom replacements would exceed the remaining value of the tool. Even though the worm would not properly fit the gear if it was turned slightly smaller would that be a short term "make do" possibility, working untill I accumulate $ to buy a new saw?
Submitted: 1 year ago.
Category: Home Improvement

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