Re: [CAD_CAM_EDM_DRO] Re: Ball Screw Balls

Tried a Goggle for Balltech nothing shows up .

Ron K


ddfalck2002 wrote:

>Dustin,
>
>You can get grade 25 chrome steel balls, any size you like, from Balltech in Los Angeles. I
>had a similar project this last month, reloading 8 ground ballscrews. They sell balls in
>.0001" increments. You can achieve different preload values (ie different backlash values)
>by loading different size balls in. Work over the top of a big Rubbermaid tub, with lots of
>light. Keep everything as clean as possible.
>You might want to take a look at condition of the screw and nuts first, to see what's
>causing the rough feel. Steinmeyer has some good info on ballscrews, and ballscrew wear
>here:
>
>http://www.steinmeyer.com/english/newslet.htm
>
>Read through the newsletters.
>
>Dan
>
>
>--- In CAD_CAM_EDM_DRO@yahoogroups.com, "garageboy21" <garageboy21@y...>
>wrote:
>
>
>>Hi All,
>>
>>I have a ground ball screw and nut combo. It is a .2in pitch screw
>>and has a nut with two races for the balls, each holds about 100 1/8
>>in balls. The problem is that when I fill one with balls, it runs
>>very smoothly, with very little backlash. When I try and fill the
>>second race, the nut binds up and becomes hard to turn.
>>
>>Is there a place to get balls of slightly smaller diameter, say
>>.1245in? Or do I have a defective/mismatched nut/screw?
>>
>>Thanks for any advise.
>>
>>Dustin
>>
>>
>
>
>
>
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