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Harmonic Gearbox With Hollow Shaft End

SSHG Series
Product Description
  • Diverse appearance; suitable for robot arm.
  • Precision: less than 0.4 Arc-min.
  • Torque Capacity: 20Nm to 180Nm
  • Available reduction ratios 1:50 ,1:80, 1:100, 1:120
  • Short axial dimension.
  • High rigidity for stable precision work.
  • More compact and higher accurate.
  • Applied in robot industry, especially for multi-axis robot joints.
Harmonic Gearbox With Hollow Shaft End | SSHG17-50-2UH

Harmonic Gearbox With Flange End

  • Specification Chart
  • Download Catalogue
Performance Unit Ratio SSHG17 SSHG20 SSHG25 SSHG32
Nominal Output Torque kgf*m/Nm 50 2.1/20.58 3.3/32.34 5.2/50.96 10/98
80 2.9/28.42 4.4/43.5 8.4/82.32 15.5/152.5
100 3.1/30.5 5.3/51.94 8.8/86.5 18/176.4
120 3.2/31.36 5.3/51.94 8.8/86.5 18/176.4
Maximum Acceleration Torque kgf*m/Nm 50/120 3 times nominal output torque
Emergency Stop Torque kgf*m/Nm 50 9/91 13/127 25/242 51/497
80 12/113 17/165 34/332 75/738
100 15/143 20/191 38/369 86/841
120 11/112 20/191 40/395 91/892
Permissible Input Speed rpm 50/120 3,500
Standard Backlash arc min 50/120 0.33 0.28 0.28 0.23
Max Tilting moment-at flange face kgf*m / Nm 50/120 9.59/93.98 24.04/235.59 41.19/403.6 67.01/656.6
Maximum Radial Force kgf/N 50/120 320/3136 687/6732 969/9496 1207/11828
Maximum Axial Force kgf/N 50/120 160/1568 343.5/3366 484.5/4748 603.5/5914
Rated Operation Life hr 50/120 >10,000 At permissible input speed and nominal output torque.
Operating Temperature °C 50/120 -10 °C to 40 °C (ambient) / 90 °C (case maximum temp.)
Sound Level dB 50/120 52 53 55 60
Lubrication - 50/120 4B No.2
Ingress Protection Class IP 50/120 IP54
Gearhead Inertia (Ix10¯4kgm²) 50/120 0.054 0.09 0.282 1.09
(Ix10¯5kgm²) 50/120 0.055 0.092 0.288 1.11
Weight kg 50/120 1 1.38 2.1 4.5
No Load Running Torque kgf*m/Nm 50/120 2.7 /0.26 4.7/0.46 8 /0.79 16/1.58
  • For 1000 Times max during life of gearhead
  • At permissible input speed and Continuous Output Torque
  • At input speed of 1000 rpm
  • Efficiency = 85% at permissible input speed and full load
  • Permissible axial load or permissible radial load is the value that satisfies the reducer life when either a pure radial load or an axial load is applied to the flange face. (When radial load is Lr+R=0mm, and axial load is La=0mm)

SSHG17-50-2UH, SSHG17-80-2UH, SSHG17-100-2UH, SSHG20-50-2UH, SSHG20-80-2UH, SSHG20-100-2UH, SSHG25-50-2UH, SSHG25-80-2UH, SSHG25-100-2UH, SSHG25-120-2UH, SSHG32-50-2UH, SSHG32-80-2UH, SSHG32-100-2UH, SSHG32-120-2UH