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Gear calculation help please

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Gear calculation help please
chucketn Offline
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#1
09-12-2013, 02:16 PM
I am making a custom fine feed banjo for my 7x14 lathe. I have 20 and 80 tooth gears, from a laser printer, that are the same mod as the 7x change gears that I want to use.
Is there a formula to calculate the center to center distance of meshed spur gears? I would like to lay out the holes for the gear axels without having to allow for adjustment for tooth mesh, making the attachment of the banjo via a clamp on the lead screw bushing.
Chuck
Micromark 7x14 Lathe, X2 Mill , old Green 4x6 bandsaw
The difficult takes me a while, the impossible takes a little longer.
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oldgoaly Offline
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#2
09-12-2013, 03:06 PM
Chuck,
This might help you http://home.scarlet.be/mini-draaien-frez...am-01.html follow the instructions to rename the file when unzipped.
Have not tried the gear calculator yet seems to be a good program.
oldgoaly, proud to be a member of MetalworkingFun Forum since Jun 2013.
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chucketn Offline
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oldgoaly (09-12-2013)
#3
09-12-2013, 06:16 PM
Great info. Helped me answer my questions. Thanks,oldgoaly!
Chuck
Micromark 7x14 Lathe, X2 Mill , old Green 4x6 bandsaw
The difficult takes me a while, the impossible takes a little longer.
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