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 You can take the man out of FIRST, but you can't take FIRST out of the man.
- George1902 [more] |
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This is our West coast drive gearbox that we have been working on in the off-season. We plan to use it in the upcoming season. It is a two stage using the WCP bearing block.
It is geared for 16 FPS and 7 FPS with 4 inch wheels.
We have built a complete WCD using them but with custom bearing blocks instead.
Any feedback is welcome.
Here is the .STP file:
Iron Lions Gearbox
Discussion
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31-12-2014 20:49
asid61
Re: pic: Iron Lions WCD Gearbox
Looks really good! You might be able to gear higher, but it's preference really.
You can decrease the C-C disatnce of the gears by 0.002" if you wanted to. It only needs to be like +0.001" or apparently +0.000".
I really like the encoder placement.
I really like how you've incorporateed the first stage of gearing to offset the extra thickness added by using dog shifting.
Side plates can be 3/16" thick I think, but I'm not 100% sure if that's okay in thsi situation.
01-01-2015 01:57
MichaelBick
Re: pic: Iron Lions WCD Gearbox
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Originally Posted by asid61
You can decrease the C-C disatnce of the gears by 0.002" if you wanted to. It only needs to be like +0.001" or apparently +0.000".
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01-01-2015 02:18
asid61
Re: pic: Iron Lions WCD Gearbox
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Originally Posted by MichaelBick
.003 is recommended by WCP for 2 or more stage gearboxes. 973 has tried no adder and wore the gears in, but they said that it was not worth the work. The benefit of wearing gears in is that they should have longer life(not an issue for FRC run times)
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Come to think of it, now that I have a mill, I can make as many gearboxes as I want... I might try a few different configurations then and see what happens.
01-01-2015 09:27
cxcad
Re: pic: Iron Lions WCD Gearbox
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Originally Posted by MichaelBick
.003 is recommended by WCP for 2 or more stage gearboxes. 973 has tried no adder and wore the gears in, but they said that it was not worth the work. The benefit of wearing gears in is that they should have longer life(not an issue for FRC run times)
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