x3 4th axis, help requested

[escott76]

Originally Posted by project5k i'm not at all familiar with the concept of harmonic drive, can you expound?

http://www.harmonicdrive.net/referen...ingprinciples/

[project5k]

ahhh ok, got it.. very interesting.. small package, good ratio, and good torque.. and "zero backlash"

i sent them an email for some information and a quote.. we'll see what they say..

[project5k]

they say $700.

[escott76]

Originally Posted by project5k they say $700.

Like I said, not cheap, but now that you know what to look for you might find one on ebay or in a surplus store. It's hard to do better for rotary motion.

[project5k]

yea, definately, the specs were impressive...