High Torque Motors Mobilize Robots

Targeting robotics and compact applications, the 12GN series 12-mm gear motors measure 12 mm x 10 mm x 29 mm and weigh 8.7g. Starting torque is 300 mN·m with a load rating of 20 mN·m. The motors are available with one of four gear ratios: 1/75.7, 1/134.5, 1/196.6, and 1/297. Motors with limiters are also available. No-load speeds range from 62 to 246 rpm, depending on model. Shared features include a no-load current of 120 mA, endplay of 0.02 mm to 0.35 mm, lateral play of less than 0.04 mm, vibration of less than 40 m/s², noise figure of less than 55 dB at 5V, and an operating temperature range from 0°C to +50°C. Depending on the model and features, price is less than $3 each/100,000. SANYO DC MICRO MOTOR DIVISION, Bensenville, IL. (630) 694-8235.