RE: [CAD_CAM_EDM_DRO] Re: sherline Ballscrews (Yes, you CAN!) But I wouldn't.

Ron - I would be interested to hear what went wrong with your Moglice Nuts
since I have in hand the material to do the 7/8 -8 ACME screws for my
Grizzly G1004 mini knee mill.


---Original Message-----
From: ginger@... [mailto:ginger@...]
Sent: Tuesday, October 10, 2000 12:57 PM
To: CAD_CAM_EDM_DRO@egroups.com
Subject: [CAD_CAM_EDM_DRO] Re: sherline Ballscrews (Yes, you CAN!) But I
wouldn't.

Alvaro Fogassa wrote:

> So,Ive got tired of playing with it and bought the Big ,bad,Grizzly

minimill.

> this one worth the efforts to retrofit.
> i've allready got the ballscrews on it at a cost of $140.00 per axis.
> and best of all no backlash!

Please tell me what ball screw you found that fit and how you mounted
it.

I have been trying to make Moglice nuts for my Grizz, and have had one
failed set so far. Ive got a new idea to try next time I get a chance,
but I would go with ball screws if I could find some that would fit.

I did make my first real part with the Grizz, the back of the gearbox
for a radial engine. I was a bit unhappy with the vibration. The Grizz
did not seem a lot better than the Sherline, I wound up taking about the
same depth of cut I did with the Sherline. Altough the Grizz has a nice
solid cast iron table the motor is still up on a fairly long column,
mounted on a pivot bolt.

Im not ready to call the Grizz junk, but I was less than thrilled at my
first attempts. I am coning to the thought suggested here that the way
to CNC nirvanna is with an old Bridgeport with a new control. If only I
had built my shop 8 feet longer.....

ron


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