RE: [CAD_CAM_EDM_DRO] Linear rail & ball screw size suggestions

Talking about the Rota-zip,
How good are its bearings, being a diy tool I wonder if it is up tot eh job,
or has it a good set of bearings ?

Regards

Mark


-----Original Message-----
From: J.Critchfield [mailto:js3mc@...]
Sent: 10 April 2002 02:36
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: [CAD_CAM_EDM_DRO] Linear rail & ball screw size suggestions


I'm looking for some help on sizing the linear rails for a small gantry
router. I have the Data-Cut plans and I will emulate much of what is there
but I need to size the rails and ball screws before I can continue. The
usable table area will be 12" x 18" and will be used to route up to 4mm
graphite plate and G10. I have not chosen a router yet but I am looking at
the Roto-Zip or similar cut-out tool with 1/8" collets. My tolerence
requirement is +- .001" or better.

Thanks,

Jay



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