Thread: George's 8x4 router-me-bob
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29-03-2012 #24
George please don't appologise and keeping asking the questions untill your satisfied you fully understand.
The problem with long screws is whip at higher speeds. The only way to avoid it is to use large diameter screws but these bring there own set of problems, like needing BIG motors, drives, PSU Etc or moving over to servo's and gearing etc !!!. . . .all expensive.
Personally I prefer ballscrews over R&P anyday and really it can't live with them in any department but they are not as simple to impliment with a long axis machine.
If it was me then it would be a no brainer and it would be getting rotating ballnuts without a doubt.
Regards parts machining then ask around several here will do them for you I'm sure. I would and will glady make them for you but unfortunatly I'm tied up for the next several weeks but if you can wait then I'd be happy to help.
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