Sumitomo IB series planetary reducer 
 [Product details] 
 IB series planetary reducer 
 Product Description 
 IB Series precision planetary gear servo motor applications for maximum ease of installation is designed. Like all Sumitomo gear, professional internal planetary gear design ensures optimum power allocation and gear mesh, so as to achieve minimum wear and tear, and to ensure a quiet, long-term trouble-free operation. 

 Features and Benefits 
 Ultra-low backlash precision positioning to ensure best 
 Peak torque applications in harsh environments to ensure reliable operation of 
 Up to the high input speed of 5,000 rpm makes the wide range of applications becomes 
 Low inertia ensures the fastest dynamic response 
 More than 90% of the high efficiency reduces the power transmission loss 
 Heat-treated high-precision gears and long life time lubrication eliminates maintenance downtime 
 Specifications 
 Base Dimensions: 60 mm, 90 mm and 120 mm 
 Continuous Rated Torque: 1.3 -127. 
 Efficiency: over 90% 
 Noise: 70 dB/0.5 m 
 Backlash accuracy: 10 arc min (optional 3 arc min) 


 Continuous rated torque (at 3000 RPM Input) 
 Model P10 P15 P20 P25 ??P30 P35 
 Base size 60 mm 60 mm 90 mm 90 mm 120 mm 120 mm 
 Reduction ratio 5:1 1.5 5.9 7.3 11.0 14.6 22 
 9:1 ??39.5 2.6 10.5 13.2 19.8 26.4 
 15:1 2.0 8.1 16.2 30.4 40.6 60.9 
 21:1 2.8 11.4 22.7 42.6 56.8 85.3 
 33:1 - 8.9 17.9 53.6 67.0 89.3 
 45:1 - 12.2 24.3 48.7 73.0 91.3 
 Maximum torque () 2,545,100,190,250,380 * 
 * 9:1 maximum torque less, please refer to product description says for more information.