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GSW 70 A Ø70 mm, Strain wave gearheads | Zero backlash

Part number 889723

GSW 70 A Ø70 mm, Strain wave gearheads

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Gears can be purchased only as a component of a combination.

Specifications

General information
Gearhead type GSW
Outer diameter 70 mm
Version A
Gearhead Data
Reduction 80 : 1
Max. continuous torque 33 Nm
Max. intermittent torque 89 Nm
Max. continuous input speed 3500 rpm
Max. intermittent input speed 6500 rpm
Max. efficiency 75 %
Mass inertia 147.8 gcm²
Gearhead length (L1) 35 mm
Mech. positioning accuracy 1 arcmin
Mech. repeatability 0.15 arcmin
Hysteresis loss 1.0 arcmin
Torsional rigidity C1 0.00013 10⁴ Nm/rad
Torsional rigidity C2 0.00017 10⁴ Nm/rad
Torsional rigidity C3 0.00025 10⁴ Nm/rad
Torque M1 7.0 Nm
Torque M2 25.0 Nm
Backdriving torque, no load 5.7 Nm
Ratcheting torque 245 Nm
Buckling torque 560 Nm
Technical Data
Bearing at output Kreuzrollenlager
Tilting rigidity 26.7 Nm/arcmin
Dynamic load rating 2110 N
Static load rating 2790 N
Distance rolling bearing center to output 10 mm
Pitch diameter 50.6 mm
Ambient temperature -40...+100 °C
Product
Weight 473 g

Description

Strain wave gears are ideally suited for high-precision positioning tasks, e.g. in robotics as well as in other demanding applications. Their backlash-free design, high torque transmission, and high torsional stiffness combined with unmatched efficiency make strain wave gears the best choice in confined installation spaces.

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