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Unread 03-10-2005, 12:48
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Re: pic: 1" mecanum

i'm curious about the screws...are you going to machine them after the wheels already been assembled? if not, how are you planning to make the radii of the screws line up with the radius of the wheel?
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Unread 03-10-2005, 13:23
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Re: pic: 1" mecanum

it's polycarbonate hubs delrin rolers and nylon screws. the hubs will be made by drilling the 7 dowell holes first. a block of aluminum is drilled with the same pattern and clamped to a cnc. you use dowell pins in the holes to mill with the head at a 45 when you dinish a pass you unclamp the hub pick it up rotate it and line it up with the pins clamp it again and make your next pass. the screws are a cheat they are just the shafts for the rolers basicaly and the heads have to be razorknifed off because they stick out too much.
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Unread 03-10-2005, 21:58
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Re: pic: 1" mecanum

Quote:
Originally Posted by Tytus Gerrish
it's polycarbonate hubs delrin rolers and nylon screws. the hubs will be made by drilling the 7 dowell holes first. a block of aluminum is drilled with the same pattern and clamped to a cnc. you use dowell pins in the holes to mill with the head at a 45 when you dinish a pass you unclamp the hub pick it up rotate it and line it up with the pins clamp it again and make your next pass. the screws are a cheat they are just the shafts for the rolers basicaly and the heads have to be razorknifed off because they stick out too much.
Cool Tytus very cool. I see you have gotten away from the 2 part hub design this looks very new and improved. As always let me know if I can help.

Ttyl and good luck,
Drew
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Unread 04-10-2005, 13:44
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Re: pic: 1" mecanum

I love delron. We used it to great effect in our 2005 bot.

A cool thing we found, if you pressure cook it in machine oil, it will leave a nice sheen behind (really).
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