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06-08-2015, 03:42 PM
| #1 |
| RCC Addict Join Date: Mar 2011 Location: Way out there!
Posts: 1,465
|  Weird Gears
Has anyone tried these? Event the pinion and spur teeth are cut at an angle.
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06-08-2015, 07:13 PM
| #2 |
| RCC Addict  Join Date: Oct 2011 Location: British Columbia
Posts: 1,487
| Re: Weird Gears
Nope, haven't seen those yet. Helical gears are supposed to be stronger...who makes 'em? |
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06-08-2015, 07:24 PM
| #3 |
| MODERATOR™   Join Date: Jul 2004 Location: Ohio
Posts: 18,928
| Re: Weird Gears |
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06-08-2015, 10:29 PM
| #4 | |
| Pebble Pounder Join Date: Feb 2015 Location: Mount Morris
Posts: 174
| Re: Weird Gears Quote:
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06-09-2015, 05:47 AM
| #5 |
| Rock Stacker Join Date: May 2014 Location: Australia
Posts: 54
| Re: Weird Gears
They are commonly called pineapple gears are are supposed to be stronger and quieter
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06-09-2015, 06:15 PM
| #6 |
| RCC Addict Join Date: Mar 2011 Location: Way out there!
Posts: 1,465
| Re: Weird Gears
So from the thread EP showed. One guy bought them and liked them. Others don't like them, but never used them. I bought a set and will try as soon as I break something.
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06-11-2015, 03:37 PM
| #7 |
| Rock Stacker Join Date: Mar 2013 Location: Amsterdam
Posts: 69
| Re: Weird Gears
The advantage of helical gears: - slightly more contact area so in theory stronger - They engage more gradually so run quieter / smoother - load is theoretically more distributed over gear teeth The disadvantage: - sliding friction in meshing teeth thus slightly less efficient in power transfer - thrust along the axis of the gear -> more pressure on the bearings Most important though is the material. Helical gears made of weak material will suck just as normal gears of weak material will suck. So basically I'm interested in what these gears are made of. I'd love to give helical gears a try if they're made of hardened steel. If they're made of China butter, I'd rather not ;) |
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06-11-2015, 07:00 PM
| #8 |
| RCC Addict Join Date: Mar 2011 Location: Way out there!
Posts: 1,465
| Re: Weird Gears
Pygmy you got me curious. I scraped one of the gears with a stainless scale. I am leaning toward the China butter. Curled off a chip with the rule. Harder than aluminum, but no where like the old bully gears.
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