Chief Delphi - [Ri3D] Ri3D 1.0 2015 FRC Robot Reveal

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- - [Ri3D] Ri3D 1.0 2015 FRC Robot Reveal (http://www.chiefdelphi.com/forums/showthread.php?t=132367)

Hoffer5236

13-01-2015 20:25

Re: [Ri3D] Ri3D 1.0 2015 FRC Robot Reveal

Quote:

Originally Posted by Peyton Yeung (Post 1427798)

A hub and 3/8ths retaining clip should hold a wheel to the motor.

But the shaft on the gearbox is not long enough to go through a hub and a clip.

Dan Richardson

13-01-2015 22:44

Re: [Ri3D] Ri3D 1.0 2015 FRC Robot Reveal

Quote:

Originally Posted by Hoffer5236 (Post 1427778)

How did you mount the wheels onto the PG-71? We are looking at using the PG-71 we got in the KOP, but we don't know how to get a wheel to stay on in the vertical position. There doesn't seem to be any connectors on the gearbox besides mounting threads.

We attached the wheel with a Flex Hub Flange and put a 3/8" shaft collar that we reamed out for 10mm on the other side.

Only 1 side of the wheel was supported.

There are more robust ways to achieve this set up but this is what we had available to use.

Peyton Yeung

13-01-2015 23:43

Re: [Ri3D] Ri3D 1.0 2015 FRC Robot Reveal

3 Attachment(s)

Quote:

Originally Posted by Hoffer5236 (Post 1427800)

But the shaft on the gearbox is not long enough to go through a hub and a clip.

Are you sure you were using a 10mm key hub? If I recall correctly the 10 mm keyed hub from andymark is shorter than a normal hub.

Looking at the cad it fits (plus I've done it before in real life).

3rd image is the distance from the end of the shaft to the hub provided there is a 1/16th inch gap between the hub and the gearbox body.

beerobber

15-01-2015 07:55

Re: [Ri3D] Ri3D 1.0 2015 FRC Robot Reveal

1 Attachment(s)

A couple of guys on our team created paper profiles of the tote lips, long and short, then cut them and combined them into a profile that closely resembles the hook on the Ri3D 1.0 robot. The paper profile was a good test fit for our tote. We then modeled it in SolidWorks. I attached a thumbnail image, and here is a link to a DWG if interested.

https://drive.google.com/file/d/0B1M...ew?usp=sharing

Addison4300

15-01-2015 14:04

Re: [Ri3D] Ri3D 1.0 2015 FRC Robot Reveal

This is a really impressive robot for 3 days! I love the wheel rollers to align the totes. Good job!

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