Re: AUTOMATIC TOOL CHANGER

Dan, did you find a 2deg stepper? if not I have some.
Now you have solved the tool changer for your lathe design one for the verticle mill????????
Brian, Ont, Can.
ps what plastic parts do you want to make? I have a Plasticor from Simplomatic in Chicago.

Dan Mauch wrote:

> From: "Dan Mauch" <dmauch@...>
>
> I am currently working on two new projects.
> 1. An automatic tool changer for my CNC lathe.
> 2. An injection molding machine to make plastic parts.
> On the tool changer I bought a heavy duty tail stock turret attachment for
> my JET 13X25 lathe. It has 6 posistions. I plan to drive it directly with a
> nema 34 stepper motor rated at 150 oz inches.
> The tool changer will be for those pesty jobs where you have to center
> drill, step drill, step drill, ream and chamfer. The key was to find a 2
> degree per step stepper motor . This makes dividing the 360/6 easy and it
> comes out to be an even number.
> I am figuring that with everything on center that there should be little
> forces trying to make the turret rotate axiallly for the lined up posistion.
> The radial forces are dealt with within the turret attachment.
>
> Projects finished.
>
> Adding a servo system to my mill drill
> Solving the mill/drill quill backlash problem.
> DRO
>
> BTW the DRO boards are on order and the scheduled date is 6-24.
> Dan
>
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