Re: [APML]: Byers drive and the MototrakIV

["Peter Drumm" <pdrumm@dwave.net>]

On Sun, 10 Aug 1997 20:45:37 -0400, Mike Regish wrote:

>Chuck Vaughn sent me a photo of his worm gear assemble. I don't know
>what you're starting with for a worm block, but I think it would take
>some machining to get a good, solid spring loaded worm movement. The
>whole bloch that the worm and motor are mounted on are hinged with a
>ground socket head screw so that there's no play, but it doesn't bind.
>At the other end of the block, mounted below it on the plate is a small
>block with a small spring that pushes the worm against the RA gear. It's
>mostly to take up any lack of concentricity between the shaft hole and
>the gear circle. It will keep the worm from binding against the RA gear
>or running too far away from it and allowing slop. 

That sounds exactly like the way I built mine. When I made the worm,
it took 4 tries to get the hole centered good enough to suit me, then
it still didn't work -quite- right, so I spring loaded it.

>Don't have a Bridgeport in the basement, do you? ;-)

I do <G>.

Peter Drumm
pdrumm@dwave.net <http://www.dwave.net/~pdrumm>
Wausau, Wisconsin