Two-stage worm-cylindrical gearboxes series CR with a solid shaft at the inlet and version CB with a flange mount or an already built-in electric motor from the company STM These are high-quality and reliable transmissions for various applications and operating modes. A wide range of operating parameters, a model range of ten dimensions.
Cast aluminum (for standard sizes 40 - 70) and cast iron (110 - 250) are used as the material for the body, aluminum (40 - 110) and cast iron (130 - 250) for flanges, high-carbon steel worms, cast iron wheel with a bronze crown, brass sleeve for connection to the motor.
To protect against critical overloads, a built-in torque limiter is provided for this series of gearboxes, which, when installed, does not make any dimensional changes in small dimensions 40, 50 and with a design modification for sizes above those specified.
Technical characteristics of STM series CR - CB worm-cylindrical gearboxes
- The torque: 30 - 10500 Nm;
- Transmission ratio: 37,3 - 750;
- Input speed range: 500 - 2800 rpm;
- Output speed range: 1.1 - 75 rpm;
- Number of gears: 2;
- Mounting design: IN B5, IM B14;
- Operating temperature range: -10 ... 60 °C.
Parameters of standard sizes of STM series CR - CB worm-cylindrical gearboxes
Type gearboxes | Ratio transfers | Moment, Nm | Power, kW | Speed, rpm |
CR 40 | 44,3 - 453,0 | 30 - 56 | 0,05 - 0,43 | 1,1 - 63 |
CR 50 | 48,3 - 590,9 | 59 - 110 | 0,02 - 0,68 | 0,8 - 58 |
CR 70 | 44,3 - 618,2 | 144 - 320 | 0,05 - 1,40 | 0,8 - 63 |
CR 85 | 43,0 - 460,0 | 243 - 500 | 0,11 - 2,90 | 1,1 - 65 |
CR 110 | 43,0 - 460,0 | 503 - 1000 | 0,21 - 5,40 | 1,1 - 65 |
CR 130 | 40,4 - 720,0 | 967 - 1810 | 0,23 - 10,1 | 0,69 - 69 |
CR 150 | 40,4 - 720,0 | 1451 - 2900 | 0,34 - 15,2 | 0,69 - 69 |
CR 180 | 37,3 - 750,0 | 2333 - 4600 | 0,57 - 22,7 | 0,67 - 75 |
CR 215 | 42,5 - 750,0 | 3909 - 7200 | 0,87 - 36,0 | 0,67 - 66,0 |
CR 250 | 38,5 - 710,5 | 5210 - 10500 | 1,30 - 51,3 | 0,70 - 73,0 |
To buy worm-cylindrical gearboxes and gear motors of the STM CR - CB series, you can find out the price and more information about the product by contacting our specialists.
