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Unread 21-01-2015, 16:14
lukedude43 lukedude43 is offline
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Re: pic: 6 week swerve

Quote:
Originally Posted by asid61 View Post
If that bottom is a single piece, you will want to add a radius on the inner edges on the top.
How thick is the bottom plate? It looks pretty thin right now.
How are you constrianing the bevel gears on that shaft? How are you constraining the other gears?
Your top plates are too thin. It looks like it's 1/8" at most. Make it 1/4" to be really safe.
I LOL'd at that gear on the top. I assume that's a versakey gear with 3/8" hex bore like I ised on my drill press verson.
You need some thrust bearings on the module to support the vertical loads. This year more than ever it's going to be turning under a lot of load.

All things considered I would not do a swerve drive fresh out of the box. Please consider buying something like a premade team 221 revolution module and just belting some motors to it.
Probably should have posted cad cause it would clear up a lot of your questions/considerations but my naming on some parts is embarrassingly bad (I blame sleep deprivation) but this should definitely help http://imgur.com/QfTX6i1

The bottom is being milled out of a single piece of 4x6x.25" 6061 channel

the plates are .125, but this is designed to use the chassis to beef up the outer edges and the gray squares are actually bearing blocks holding 1" ID 2"OD bearings. these are bolted straight through, counterbored on the top bearing block, with nut clearance on the bottom. We think this should be fine for preventing the plates from warping.

I didnt see your drill press swerve but yea it's a 3/8 bore 44 tooth versakey gear. Great minds think alike (and fools seldom differ)

there is a 1" ID thrust bearing and accompanying washers in there.
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