Planetary Gearhead

Harmonic Drive its HPGP high-torque planetary gearhead series that the company says achieves 33 percent higher torque than the original HPG Series with the same precision. The gearhead features reduction ratios between 4:1 and 45:1 and standard backlash of less than 3 arc-min. In addition, the HPGP series also features a cross roller bearing for high load capacity and moment stiffness as well as a Quick-Couple input shaft and motor flange for mounting to a servo motor.
www.electromate.com