Re: [CAD_CAM_EDM_DRO] Re: re:leadscrew bearings / machine design

No...I'd try using the same installation on both ends of the ball screw shaft if possible...or something very similar.

Smoke
-----Original Message-----
From: r_fl_z@... <r_fl_z@...>
To: CAD_CAM_EDM_DRO@egroups.com <CAD_CAM_EDM_DRO@egroups.com>
Date: Friday, October 27, 2000 2:29 PM
Subject: [CAD_CAM_EDM_DRO] Re: re:leadscrew bearings / machine design


Smoke:

It appears as though you do not have a load path to remove the thrust
load. With the bearing unconstrained axially, won't they simply
slide under axial load?

Ron

--- In CAD_CAM_EDM_DRO@egroups.com, "Smoke" <Smoke@5...> wrote:
> A GOOD lathe headstock uses Timken type tapered roller bearings for
both thrust and radial capacity. Roller thrust bearings will always
provide higher capacity than ball bearings!
>
> Smoke
> -----Original Message-----
> From: JanRwl@A... <JanRwl@A...>
> To: CAD_CAM_EDM_DRO@egroups.com <CAD_CAM_EDM_DRO@egroups.com>
> Date: Monday, October 23, 2000 6:33 PM
> Subject: Re: [CAD_CAM_EDM_DRO] re:leadscrew bearings / machine
design
>
>
> If you REALLY need some decent thrust capacity, and good "radial"
capacity
> (such as a lathe's spindle would require!), suggest you
consider "angular
> contact" bearings in pairs. These are also available in single-
unit
> "double-row". They make engineering a big-ol' complicated piece
of 'chinry
> straightforward, which is a boon to those of us who kain't spel gud.
>
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