EL34's CNC Stuff

Upgrading my CNC machine

I am upgrading my CNC machine to a use Ballscrew on the X axis. My old X axis used a 1/2" diameter x 10 pitch acme screw and Delrin nuts.
I purchased a 900mm long x 16mm thick metric Ball screw on Ebay and am in the process of adapting it to my X axis.
I had to machine new bearing blocks for the metric bearings.
I also have to machine a new motor drive coupler.
My old screw was 1/4" diameter where it connected to my 1/4" drive motor.
I have to machine a 1/4" to 10mm adapter

The Ballscrew and the two bearing blocks I machined

This is the ball screw nut support I machined

Here's the ball screw support shown mounted to the screw nut.
I have to set this assembly into my machine and then drill four mounting holes.
The assembly gets bolted to the lower part of my X axis/gantry

Another shot of the screw nut bolted to the support

Click on the image below for a larger image

Here's a shot of the Ball screw installed.
I was able to crank up the motor speeds in Mach3 after installing this screw.
It is so much faster and smoother than the old acme screw and Delrin nut.

Click on the image below for a larger image

Another shot of the motor, motor mount, bearing block and ball screw

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