Hi Harold,

I've used DC motors for this, swinging < 90 degrees, but none in that
power range.

Cheers,

Bob


> Anyone have experience with voicecoil actuators? I have an application
> where one might be useful. We're looking at a maximum displacement of
> about 50mm and a force of 22 Newtons (about 5 pounds). Using a normal
> solenoid (non-magnetized slug), it appears we need about 4,700
> ampere-turns to do this (100mm coil length, 30mm coil diameter). It SEEMS
> that it would be better to use a permanent magnet instead of a
> non-magnetized slug. I'd expect the force to be proportional to the
> product of the two fields. But, anyone here have experience with these
> types of actuators? Any comments?


-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist