Re: [CAD_CAM_EDM_DRO] Re: Model Engineers Workshop volume103

Check the article in Home Shop Machinist that Rollin Frizenstat(sp) that
converted a mill-drill to ballscrews. His technique to avoid machining the
hard ballscrews was to turn an end cap extension that press fit over the
ends of the ballscrew. I think it was locked by setscrews and locktite.

Was a several part article about 2001 - 2002.

Hugh

----- Original Message -----
From: "Marcus and Eva" <implmex@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Tuesday, June 07, 2005 9:47 PM
Subject: Re: [CAD_CAM_EDM_DRO] Re: Model Engineers Workshop volume103


> Hi Mike:
> I sure hope you're not planning to drive the ballscrew through an
> extension shaft that's been glued in place.
> That's a terrible idea...you'll never know when the darned thing will bust
> loose and destroy things.
> I realize that it may SEEM easier to do it this way, but I really doubt
it.
> Turning a ballscrew end is not that big a deal...you just need patience
and
> commonsense.
> By far the hardest part is dialling it in accurately enough...making an
> extension shaft doesn't relieve you of this requirement.
> If by chance, you overshoot and turn the shaft end too small, it's a far
> better option to simply sleeve the undersize journal than to add an
> extension.
> I realize that the MEW author claims his method to have been successful,
but
> I still don't like it...it's inherently weak and no less effort to do
> accurately.
> Cheers
>
> Marcus
>
>
>
>
>
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