GPBS series square flange mounted high precision and low backlash planetary gearboxes
Various sizes are available,
65mm planetary gearbox(GPBS065),90mm planetary gearbox(GPBS090),120mm planetary gearbox(GPBS120),160mm planetary gearbox(GPBS120).
Various gear ratios are available,
Single:3,4,5,6,7,8,9,10
Double:12,15,16,20,25,28,30,35,40,45,50,60,70,80,90,100
Compatible with various brand servo motor
Low backlash
High output torque
High efficiency upto 97 percent
Low noise Helical gears
Lifetime lubrication
Long design life,over 20,000hours
Model Instruction
| GPBS | 090 | 010 | P2 |
| Reducer Series Code | External Diameter | Reduction Ratio | Reducer Backlash |
| GPBS:High Precision Square Flange Output GPES:High Precision Round Flange Output | 065:ø65mm 090:ø90mm 120:ø120mm | 010 means 1:10 | P0:High Precision Backlash P1:Precision Backlash P2:Standard Backlash |
Main Technical Performance
| Item | Number of stage | Reduction Ratio | GPBS065 | GPBS065T | GPBS090 | GPBS090T | GPBS120 | GPBS120T | GPBS120T |
| Rotary Inertia | 1 | 3 | 18 | 18 | 50 | 50 | 120 | 120 | 240 |
| 4 | 27 | 27 | 75 | 75 | 180 | 180 | 360 | ||
| 5 | 27 | 27 | 75 | 75 | 180 | 180 | 360 | ||
| 6 | 27 | 27 | 75 | 75 | 180 | 180 | 360 | ||
| 7 | 27 | 27 | 75 | 75 | 180 | 180 | 360 | ||
| 8 | 27 | 27 | 75 | 75 | 180 | 180 | 360 | ||
| 9 | 18 | 18 | 50 | 50 | 120 | 120 | 240 | ||
| 10 | 18 | 18 | 50 | 50 | 120 | 120 | 240 | ||
| 2 | 12 | 18 | 18 | 50 | 50 | 120 | 120 | 240 | |
| 15 | 18 | 18 | 50 | 50 | 120 | 120 | 240 | ||
| 16 | 27 | 27 | 75 | 75 | 180 | 180 | 360 | ||
| 20 | 27 | 27 | 75 | 75 | 180 | 180 | 360 | ||
| 25 | 27 | 27 | 75 | 75 | 180 | 180 | 360 | ||
| 28 | 27 | 27 | 75 | 75 | 180 | 180 | 360 | ||
| 30 | 18 | 18 | 50 | 50 | 180 | 180 | 240 | ||
| 35 | 27 | 27 | 75 | 75 | 180 | 180 | 360 | ||
| 40 | 27 | 27 | 75 | 75 | 180 | 180 | 360 | ||
| 50 | 27 | 27 | 75 | 75 | 180 | 180 | 360 | ||
| 60 | 27 | 27 | 75 | 75 | 180 | 180 | 360 | ||
| 70 | 27 | 27 | 75 | 75 | 180 | 180 | 360 | ||
| 80 | 27 | 27 | 75 | 75 | 180 | 180 | 360 | ||
| 90 | 18 | 18 | 50 | 50 | 120 | 120 | 240 | ||
| 100 | 18 | 18 | 50 | 50 | 120 | 120 | 240 |
| Item | Number of stage | GPES065 | GPES065T | GPES090 | GPES090T | GPES120 | GPES120T | GPES160 | |
| Backlash (arcmin) | Precision P1 | 1 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 |
| 2 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ||
| Standard P2 | 1 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | |
| 2 | ≤9 | ≤9 | ≤9 | ≤9 | ≤9 | ≤9 | ≤9 | ||
| Torsional Rigidity(N.M/arcmin) | 1 | 7 | 7 | 14 | 14 | 25 | 25 | 50 | |
| 2 | 8 | 8 | 16 | 16 | 28 | 28 | 55 | ||
| Noise(dB) | 1,2 | ≤58 | ≤58 | ≤60 | ≤60 | ≤63 | ≤63 | ≤65 | |
| Rated input speed(rpm) | 1,2 | 3000 | 3000 | 3000 | 3000 | 3000 | 3000 | 2000 | |
| Max input speed(rpm) | 1,2 | 6000 | 6000 | 6000 | 6000 | 6000 | 6000 | 4000 | |