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Have you tried loosening the bolt out farther so that the pin goes into the next farther slot. That way it will hold tighter. If the bolt is not long enough, maybe it just needs a longer bolt.

Check these out. They might help.

http://www.geocities.com/Yosemite/Rapids/2068/MCplans.html

http://www.sesusa.org/SEDAF.htm

Are you attenting the Leeds St. Campus in Halifax?

To provide real protection, you need a limit switch on each end of any axis. for a 3 axis mill, that will mean 6 switches.

If all you want is protection, they can be all wired in series using 1...

I think I'm gonna bite the bullet and try ViaCAD. It does sound pretty nice, especially for the price. I'll let everyone know how I made out as well.

How does it compare to Alibre Express? I know its probably comparing apples to oranges, seeing that Alibre Express is a free program. I'm just trying to get a feel for the program and I do like the...

I happened across this new cad program. It is produced by Punch, who is well known for consumer architectural programs, but apparently ventured into a more industrial side.

Here is the link: ...

I have both a lathe and a mill but voted Mill because it is the one I use most often.

Most older driver boards had simple switched outputs. The were simply on or off at full voltage which meant you could easily exceed the current rating of the motors. Therefore, you had to limit the...

The motors are actually current driven devices. The Driver board (Xylotex and others) limits the current to a safe value that the motor can handle without burning up. It doesn't matter what the...

I run around 15ipm. I could get more, but I run it pretty tight to keep the backlash down to a minimum and don't want to risk missing steps.

I have used the 0.015" carbide endmills to make PCB's using a 2800 rpm Sherline and it worked fine. I just had to run the mill at a slower feed rate. A 10000 rpm assembly should do the job very...

I have the same setup on my sherline 2000 mill. It works quite well.