RE: [CAD_CAM_EDM_DRO] Router - Belt or Ballscrews

Rab,

The parts that I use are the Hiwin rails on Aluminum extrusions. For screws,
I use BS&A screws.

The Hiwin rails are almost half the price of THK or IKO rails and bearings.

Bob Campbell

-----Original Message-----
From: rainnea [mailto:rainnea@...]
Sent: Thursday, June 13, 2002 4:05 PM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: [CAD_CAM_EDM_DRO] Router - Belt or Ballscrews


There seems to be a good many off the shelf linear-actuators, the
majority of which are offered with either belt or ballscrews (some
leadscrew and some linear motors too) with a choice of bearings and
assembled on aluminium extrusions that can be bolted together to form
a gantry or moving table router.
Given the large price difference, the belt driven units seem pretty
good, but are they any good for a router ? I don't see commercial
routers using them, but the specs seem ok on paper.

Rab


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