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  • Planetary Gearboxes

HPE Precision Planetary Gearhead

Cobra SRL

Precision Planetary Gearhead

Gearhead   HPE 50 HPE 70 HPE 90 HPE120
Diameter mm 50 70 90 120
Ratio options N:1 5,  25, 50 10100 5, 25,50 10100 5, 25,50 10100 5, 25,50 10100
Continuous rated torque Nm 6.5 5.5 18 16.5 45 40 120 100
Peak torque Nm 15 12 33 30 82 72 210 180
Emergency torque Nm 28 75 200 480
Max. Radial load N 850 1650 2600 4800
Max. Axial load N 700 1600 2000 4000
Maximum input speed rpm 6000 6000 6000 5000
Nominal input speed rpm 4000 3000 3000 2500
No load input torque Nm < 0.05 < 0.14 < 0.38 < 0.8
Number of stages   1 2 1 2 1 2 1 2
Ratios N:1 5, 10 25, 50, 100 5, 10 25, 50, 100 5, 10 25, 50, 100 5, 10 25, 50, 100
Torsional Backlash arc min. 12 15 12 15 12 15 12 15
Torsional rigidity Nm/arcmin 1 2 6 22
Inertia @ input Kgcm2 0.063 0.052 0.31 0.25 1.72 1.47 5.5 4.45
Mass Kg

0.8

1.0

2.0

2.5

4.3

5.3

9.2

11.4

Efficiency  

97%

95%

97%

95%

97%

95%

97%

95%

No load input torque Nm

< 0.05

< 0.14

< 0.38

< 0.8

Noise level @ 2000 rpm To ISO 3746 dBA

< 52

< 56

< 62

< 62

Typical operating life Hours

20,000