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-   -   2264 dual fp lift gearbox. (http://www.chiefdelphi.com/forums/showthread.php?t=68968)

bigbeezy 28-08-2008 20:06

Re: 2264 dual fp lift gearbox.
 
ok well nevermind. still looks great. and i have to say great quality pictures

vivek16 28-08-2008 22:05

Re: 2264 dual fp lift gearbox.
 
Quote:

Originally Posted by AndyB (Post 763148)
so pretty... alright, im jealous.

Hey, I recognize that drive...

Haha, its an effective drive. What can I say?

Quote:

Wow, that is an impressive bit of design and execution. I was thinking about getting the new members to design something like that for the coming year, and after seeing the effectiveness of this one... thats a definite.
Thanks, if you need help please let me know. I couldn't have done it without CD's help. Mainly Molten (Jason), Craig Hickman, Jeff from 801, Chris L from 1114, and Andy Baker. There are many more but it really was a great learning experience. It was also my first major project in Inventor/CAD. It really helped, I feel a lot more confident about my ability to use Inventor. And to think 6 months ago, I would have been completely clueless about this stuff.

thanks, Vivek

Mark Holschuh 28-08-2008 22:40

Re: 2264 dual fp lift gearbox.
 
Great work! Its nice to see that your team kept active over the summer.

vivek16 28-08-2008 22:45

Re: 2264 dual fp lift gearbox.
 
Quote:

Originally Posted by Mark Holschuh (Post 763256)
Great work! Its nice to see that your team kept active over the summer.

Thanks, it has been a blast. How has your team been?

-Vivek

R.C. 29-08-2008 19:53

Re: 2264 dual fp lift gearbox.
 
What gears did you use and what were the specs on them.

vivek16 29-08-2008 21:30

Re: 2264 dual fp lift gearbox.
 
Quote:

Originally Posted by rc_cola1323 (Post 763369)
What gears did you use and what were the specs on them.

They were AM gears. 20dp. I used 2 12 teeth gears, 2 14, 3 50 tooth, and 1 45 tooth gear.

They came prebroached and are a good deal.

-Vivek

R.C. 29-08-2008 21:57

Re: 2264 dual fp lift gearbox.
 
Did you ever find the out how much torque you got out of the setup and what was the final rpms for the setup. BTW, it is a sweet setup.

vivek16 29-08-2008 23:56

Re: 2264 dual fp lift gearbox.
 
Quote:

Originally Posted by rc_cola1323 (Post 763377)
Did you ever find the out how much torque you got out of the setup and what was the final rpms for the setup. BTW, it is a sweet setup.

Yeah, this thing gets some serious torque. 2 fps through a 48:1 reduction get about 48 foot pounds if I'm doing my math right. 2(5.72*48)? Yeah. Final RPMs was around 333 I believe. I'm not taking efficiency or load into the equation but its pretty insane.

-Vivek

R.C. 30-08-2008 00:03

Re: 2264 dual fp lift gearbox.
 
I really like this design and how you incorporated the fisher price motors. I kinda wanted to make something, but a quick question how thick was the aluminum around the bearings and how thick were the lines connecting everything

vivek16 30-08-2008 00:12

Re: 2264 dual fp lift gearbox.
 
.25", I offset the bearing holes by .25 inches and worked around that. It took a while to get the webbing right but it's worth it. I made the top outer edges .375 but it really doesn't need that. .25 is good for the job.

-Vivek

AustinSchuh 30-08-2008 01:11

Re: 2264 dual fp lift gearbox.
 
Quote:

Originally Posted by vivek16 (Post 763376)
They were AM gears. 20dp. I used 2 12 teeth gears, 2 14, 3 50 tooth, and 1 45 tooth gear.
-Vivek

Impressive gearbox!

How did you interface to the FP motor? It sounds like you used AM components to do it. AM planetary gearbox? The gear that comes on the shaft of the FP? (If so, which off the shelf gears did you use to interface with that one?) I would have to guess from your pictures that you found the correct gear to interface to the FP themselves, but I can't really tell.

vivek16 30-08-2008 23:08

Re: 2264 dual fp lift gearbox.
 
Actually, Andy made me some 12 tooth gears with a 3mm bore. I later bored them out with a #30 bit since that was a good pressfit. I used medium loctite when pressing them on.

-Vivek

p.s. abrasive pads make everything shinier


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