Re: Router design

I'm sorry that should have been http://www.sentex.net/~bfairey/divhd.jpg
Brian.

Brian Fairey wrote:

> From: Brian Fairey <bfairey@...>
>
> I have built two gantry style routers 8x10 and 12x18 and in both of them
> I used rails that
> were 1" dia DOM steel tubing centerless ground to 25mm and 25mm Nyliner
> style bearings, worked very well. I also used lead screws and plastic
> adjustable nuts but next time I would use a timing belt and a gearbox.
> For a router head I used a Porter Cable drywall router.
> For my everyday system I have a Taiwanese knee type vertical mill (a
> Select) similar to the Myford VM on which I have hung 2 350 in/oz
> steppers driving the ballscrews 2:1 via a timing belt and a 150in/oz
> moving the quill via a worm and pinion. The electronics and the sottware
> is both from AH-HA.
> Click on http://www.sentex.net/~bfairey/millingmc.jpg shows the whole
> setup.
> http://www.sentex.net/~bfairey/Yaxisdrive.jpg is the setup for the Y
> axis and the X axis is similar.
> http://www.sentex.net/~bfairey/Zaxisdrive.jpg shows the worm and pinion
> to the quill. The two holes in the knob are for screws that dissconnect
> the knob from the pinion.
> http://www.sentex.net/~bfairey/divhd shows a method I used to drive a
> dividing head.Depending on the software on my system programming .025"
> means the dividing head rotates 1 degree ( I dont have a 4th axis card
> so I have to plug the DH into the Z axis)
> Hope this may interest someone.
> Brian, Ont, Can.
>
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