CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] McMaster ballscrews

Posted by Smoke
on 2000-12-16 13:20:26 UTC
What's the Web addy for Mcmaster Carr? I'd like to see if I can get a
catalog.

Smoke
-----Original Message-----
From: Tim Goldstein <timg@...>
To: CAD_CAM_EDM_DRO@egroups.com <CAD_CAM_EDM_DRO@egroups.com>
Date: Saturday, December 16, 2000 1:43 PM
Subject: RE: [CAD_CAM_EDM_DRO] McMaster ballscrews


>I can't explain the why of the pricing other than to guess that it has to
do
>with production quantities.
>
>I am using the 5/8" shaft on my Shoptask and on another project. The nuts
>have no preload as they are single nuts, but if you buy 2 per axis you can
>easily make your own preloaded nuts. The screws are actually Thompson
>Saginaw and with a single nut will have .005 - .009" or so of backlash.
>
>Tim
>[Denver, CO]
>
>> Greetings to you all;
>>
>> Thumbing through the McMaster catalog I noticed some weird
>> pricing on their
>> ballscrew assemblies. For instance -
>>
>> 1/2" screw at $2.21 per inch. The nut is $129.26.
>>
>> 5/8" screw at $1.02 per inch. The nut is $19.50.
>>
>> 3/4" screw is $1.68 per inch in .25" and .5" lead, but the .25"
>> lead nut is
>> $34.57 whereas the .5" lead nut is $131.31.
>>
>> What gives?
>>
>> Also, has anyone used these screws? The catalog doesn't say what level
of
>> preload, if any.
>>
>> Doug Harrison
>> FAQ: http://www.ktmarketing.com/faq.html
>
>
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>
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>List Manager
>
>
>

Discussion Thread

Doug Harrison 2000-12-16 12:31:19 UTC McMaster ballscrews Tim Goldstein 2000-12-16 12:42:29 UTC RE: [CAD_CAM_EDM_DRO] McMaster ballscrews Kory Hamzeh 2000-12-16 12:53:36 UTC Mill DRO Smoke 2000-12-16 13:20:26 UTC Re: [CAD_CAM_EDM_DRO] McMaster ballscrews Greg Nuspel 2000-12-16 14:11:34 UTC Re: [CAD_CAM_EDM_DRO] McMaster ballscrews Tim Goldstein 2000-12-16 14:35:04 UTC RE: [CAD_CAM_EDM_DRO] McMaster ballscrews Smoke 2000-12-16 15:02:25 UTC Re: [CAD_CAM_EDM_DRO] McMaster ballscrews A. G. Eckstein 2000-12-16 16:26:15 UTC Re: [CAD_CAM_EDM_DRO] Mill DRO Kory Hamzeh 2000-12-16 16:30:51 UTC RE: [CAD_CAM_EDM_DRO] Mill DRO James Owens 2000-12-16 16:38:11 UTC Re: [CAD_CAM_EDM_DRO] Mill DRO Smoke 2000-12-16 17:20:23 UTC Re: [CAD_CAM_EDM_DRO] Mill DRO Wally6800@n... 2000-12-16 17:38:16 UTC Re: Mill DRO Wally K 2000-12-16 18:18:47 UTC Re: Mill DRO Tim Goldstein 2000-12-16 18:43:04 UTC RE: [CAD_CAM_EDM_DRO] Re: Mill DRO Kory Hamzeh 2000-12-16 18:43:06 UTC RE: [CAD_CAM_EDM_DRO] Re: Mill DRO wanliker@a... 2000-12-16 18:43:24 UTC Re: [CAD_CAM_EDM_DRO] Mill DRO walter luikey 2000-12-16 18:56:31 UTC [CAD_CAM_EDM_DRO] Re: Mill DRO wanliker@a... 2000-12-16 18:57:36 UTC Re: [CAD_CAM_EDM_DRO] Re: Mill DRO Kory Hamzeh 2000-12-16 19:06:50 UTC RE: [CAD_CAM_EDM_DRO] Re: Mill DRO Kory Hamzeh 2000-12-16 19:07:59 UTC RE: [CAD_CAM_EDM_DRO] Re: Mill DRO Marcus & Eva 2000-12-16 19:48:58 UTC Re: [CAD_CAM_EDM_DRO] Mill DRO Tim Goldstein 2000-12-16 21:17:13 UTC RE: [CAD_CAM_EDM_DRO] Re: Mill DRO Dan Mauch 2000-12-17 06:54:46 UTC Re: [CAD_CAM_EDM_DRO] McMaster ballscrews Dan Mauch 2000-12-17 07:08:33 UTC Re: [CAD_CAM_EDM_DRO] Re: Mill DRO Smoke 2000-12-17 07:30:15 UTC Re: [CAD_CAM_EDM_DRO] McMaster ballscrews ptengin@a... 2000-12-17 13:05:47 UTC Re: [CAD_CAM_EDM_DRO] McMaster ballscrews Smoke 2000-12-17 14:02:31 UTC Re: [CAD_CAM_EDM_DRO] McMaster ballscrews Tim Goldstein 2000-12-17 14:20:14 UTC RE: [CAD_CAM_EDM_DRO] McMaster ballscrews Wally K 2000-12-17 14:32:52 UTC Re: McMaster ballscrews Tim Goldstein 2000-12-17 18:14:05 UTC RE: [CAD_CAM_EDM_DRO] McMaster ballscrews Pavel Korensky 2000-12-17 18:20:03 UTC Re: [CAD_CAM_EDM_DRO] McMaster ballscrews