CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport

Posted by Ed Fanta
on 2004-10-29 10:58:43 UTC
Stephen Wille Padnos wrote:
>
> Hi, all.
>
> Both myself and a friend are having the same issue with our Bridgeport
> milling machines. We're both converting manual machines to CNC. I
> installed new ballscrews (his machine came with ballscrews), and they
> feel "springy". If I lock the table and push the handwheel, it turns a
> little (around 8-10 mils, according to the dials). If I let go, it will
> spring back to where it started. It gets harder to push (like a
> spring), until eventually I overcome the table lock friction, and the


Some of the cheaper setups use non precsion screws and space two ball
nuts apart with Bellville washers to get the "preload". They act as you
describe, springy to compress the washers then more solid to move the
table. Not good if you are CNCing it or think you can climb mill with
it. Ed.

Discussion Thread

Stephen Wille Padnos 2004-10-28 22:23:35 UTC How does one adjust Ballscrews on a Bridgeport Jon Elson 2004-10-29 08:44:50 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport Jon Elson 2004-10-29 08:47:02 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport Ed Fanta 2004-10-29 10:58:43 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport R Rogers 2004-10-29 18:24:51 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport Stephen Wille Padnos 2004-10-29 19:50:34 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport Stephen Wille Padnos 2004-10-29 19:52:14 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport Stephen Wille Padnos 2004-10-29 19:54:33 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport Stephen Wille Padnos 2004-10-29 19:58:55 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport Jon Elson 2004-10-29 21:06:23 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport Jon Elson 2004-10-29 21:07:11 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport R Rogers 2004-10-29 22:17:18 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport R Rogers 2004-10-29 22:44:09 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport Stephen Wille Padnos 2004-10-29 23:50:40 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport Jon Elson 2004-10-30 14:22:03 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport bryan b 2004-10-30 19:23:23 UTC Re: How does one adjust Ballscrews on a Bridgeport bryan b 2004-10-30 19:28:48 UTC Re: How does one adjust Ballscrews on a Bridgeport Jon Elson 2004-10-30 22:30:34 UTC Re: [CAD_CAM_EDM_DRO] Re: How does one adjust Ballscrews on a Bridgeport R Rogers 2004-10-31 06:32:22 UTC Re: [CAD_CAM_EDM_DRO] Re: How does one adjust Ballscrews on a Bridgeport Jon Elson 2004-10-31 10:39:23 UTC Re: [CAD_CAM_EDM_DRO] Re: How does one adjust Ballscrews on a Bridgeport R Rogers 2004-10-31 10:59:55 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport Jon Elson 2004-10-31 11:17:02 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport R Rogers 2004-10-31 12:43:36 UTC Re: [CAD_CAM_EDM_DRO] How does one adjust Ballscrews on a Bridgeport bryan b 2004-10-31 19:58:18 UTC Re: How does one adjust Ballscrews on a Bridgeport bryan b 2004-10-31 20:18:12 UTC Re: How does one adjust Ballscrews on a Bridgeport wthomas@g... 2004-10-31 23:38:56 UTC Re: [CAD_CAM_EDM_DRO] Re: How does one adjust Ballscrews on a Bridgeport turbulatordude 2004-11-01 08:21:56 UTC Encoder Repair Technician