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Unread 01-20-2018, 02:22 PM
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pic: Am I Doing It Right Guys?

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Unread 01-20-2018, 02:23 PM
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Re: pic: Am I Doing It Right Guys?

Did you design that cover for the DeCIMate gears or is that somewhere on AndyMark's website?
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Unread 01-20-2018, 03:07 PM
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Re: pic: Am I Doing It Right Guys?

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Originally Posted by Type View Post
Did you design that cover for the DeCIMate gears or is that somewhere on AndyMark's website?
My design, I figured with the amount of grease required to keep the gears lubricated it would be helpful. As it turned out, I had to pack the gearboxes with grease (Red Tacky) several times, even with the covers on, just to keep the gears from throwing the grease off the gears immediately.

I'd be happy to upload the model somewhere if people are interested.
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Unread 01-20-2018, 03:47 PM
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Re: pic: Am I Doing It Right Guys?

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Originally Posted by cbale2000 View Post
My design, I figured with the amount of grease required to keep the gears lubricated it would be helpful. As it turned out, I had to pack the gearboxes with grease (Red Tacky) several times, even with the covers on, just to keep the gears from throwing the grease off the gears immediately.

I'd be happy to upload the model somewhere if people are interested.
I would be interested in using the cover if you want to share the CAD. My team is looking at using these gearboxes and I couldn't find any cover pre-designed (even though the assembly directions mention one).
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Unread 01-20-2018, 05:00 PM
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Re: pic: Am I Doing It Right Guys?

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Originally Posted by Type View Post
I would be interested in using the cover if you want to share the CAD. My team is looking at using these gearboxes and I couldn't find any cover pre-designed (even though the assembly directions mention one).
Here you go:

https://www.thingiverse.com/thing:2763971
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Unread 01-20-2018, 06:18 PM
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Re: pic: Am I Doing It Right Guys?

I find it interesting that the DeCIMate Assembly Guide explicitly mentions a 3D-Printed case on page 5, but I find no mention of this on AM's website. Even still, this is awesome!
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Unread 01-20-2018, 06:30 PM
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Re: pic: Am I Doing It Right Guys?

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Originally Posted by Bkeeneykid View Post
I find it interesting that the DeCIMate Assembly Guide explicitly mentions a 3D-Printed case on page 5, but I find no mention of this on AM's website. Even still, this is awesome!
Interesting, we bought ours already assembled so I never bothered to look at the guide. I like how the one shown in the guide holds the spacers in place, but I think I still prefer the overall shape of mine tbh.
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Unread 01-21-2018, 12:36 AM
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Talking Re: pic: Am I Doing It Right Guys?

[] You're not doing it right. There should be a 775Pro on one slot of the DeCIMate instead of the Redline. The other slot should have a Redline.[/]

I kid, I kid, that's definitely an interesting configuration. If you do end up using that be sure to post back with how it held up!
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Unread 01-21-2018, 12:59 AM
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Re: pic: Am I Doing It Right Guys?

Quote:
Originally Posted by Type View Post
I would be interested in using the cover if you want to share the CAD. My team is looking at using these gearboxes and I couldn't find any cover pre-designed (even though the assembly directions mention one).
Sorry about that! For now, here is the official AndyMark one I designed. We should have it on a page in the 3D printing section of the website up soon.

https://www.thingiverse.com/thing:2764280
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Unread 01-21-2018, 01:20 AM
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Re: pic: Am I Doing It Right Guys?

Quote:
Originally Posted by NathanNFM View Post
Sorry about that! For now, here is the official AndyMark one I designed. We should have it on a page in the 3D printing section of the website up soon.

https://www.thingiverse.com/thing:2764280
Thank you! I was just looking through it for once my team's DeCIMates come and noticed there wasn't a link. I definetly like the idea of having a cover over the gears to keep grease in and dirt out.
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Unread 01-21-2018, 11:04 AM
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Re: pic: Am I Doing It Right Guys?

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Originally Posted by EricH View Post
[] You're not doing it right. There should be a 775Pro on one slot of the DeCIMate instead of the Redline. The other slot should have a Redline.[/]

I kid, I kid, that's definitely an interesting configuration. If you do end up using that be sure to post back with how it held up!
Heh, not a bad idea actually...

Honestly I would have preferred using 775Pros (simply because Redlines are still somewhat unproven), but we didn't have any way to press-fit the pinion gears onto them in our shop so it was easier to just used the pre-assembled gearboxes from AndyMark.


I definitely plan to use these in this configuration on our robot, the real question is for how long. I am a little concerned about wear on the DeCIMate gears, we did the recommended 30 minute no-lube run-in and now the gears seem to have quite a bit of backlash when changing directions. I'm hoping this is expected behavior and that the lubricant we added will prevent further wear.
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Unread 01-21-2018, 12:35 PM
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Re: pic: Am I Doing It Right Guys?

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Originally Posted by EricH View Post
[] You're not doing it right. There should be a 775Pro on one slot of the DeCIMate instead of the Redline. The other slot should have a Redline.[/]
Also, change one of the MiniCIMs to a regular CIM.
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Unread 01-21-2018, 04:25 PM
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Re: pic: Am I Doing It Right Guys?

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Also, change one of the MiniCIMs to a regular CIM.
Would that set a record for "most motor types in one gearbox"?
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Unread 01-21-2018, 04:29 PM
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Re: pic: Am I Doing It Right Guys?

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Originally Posted by cbale2000 View Post
Heh, not a bad idea actually...

Honestly I would have preferred using 775Pros (simply because Redlines are still somewhat unproven), but we didn't have any way to press-fit the pinion gears onto them in our shop so it was easier to just used the pre-assembled gearboxes from AndyMark.
My team is using the 775 Pros since the Redlines are new, we just use a vise usually to press fit them, thats what we did last year with pulleys.
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Unread 01-21-2018, 04:29 PM
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Re: pic: Am I Doing It Right Guys?

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Would that set a record for "most motor types in one gearbox"?
It almost certainly would if they also changed the shifter to a servo instead of a piston.
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