Quote:
Originally Posted by Dodge it Ram it
Thank u but that does really tell me how long the rollers are and how much the plate twists and such
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The roller axis should be 45 degrees from the plane of the wheel.
If you want a "bump-free" mecanum wheel, the contour of the rollers is important. Design help for the roller profile can be found here:
http://www.chiefdelphi.com/media/papers/2390
Also the rollers should be long enough so that there is a slight overlap as one roller transitions to the next as the wheel is turning.