Re: [CAD_CAM_EDM_DRO] ball screw preferences

Billy:

I got my ballscrews and nuts from McMaster Carr. I got two-per-axis and put a spring between each two. A hose clamp and a piece of aluminum angle holds it all together. Here's a picture:
http://www.cooknwithgas.com/CNC_Mill/2_16_07_Mill_Xaxis.JPG

The springs are valvesprings from an old lawnmower engine - nothing fancy. The ballscrews and ballnuts are the cheapest in the McMaster Carr catalog (website) and are 5/8" units.

Scott Laughlin
Omaha, Nebraska
http://www.cooknwithgas.com/CNC_Mill/CNC.html

----- Original Message ----
From: Billy Stringfellow <bstringf@...>
To: CAD_CAM_EDM_DRO@yahoogroups.com
Sent: Thursday, March 8, 2007 7:07:10 PM
Subject: [CAD_CAM_EDM_DRO] ball screw preferences













Hello



I have started building a small cnc mill .Iam at the point that

i must select stepper motors and ball screws,



The table is a Enco milling table



I need 3 ball screws and nuts about 2o " long.



I am seeking advice about the screws and motors, remembering this

my first CNC build. It will be 4 axis ,one for a dividing head.



Does anyone have experience with rolled screws.



Help:o)












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