Single-stage worm gearboxes series RI with a solid shaft at the inlet and version RMI 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 twelve dimensions.
Cast aluminum (for standard sizes 28-85) and cast iron (110-250) are used as the material for the body, aluminum (28-110) 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 does not make any dimensional changes during installation.
Technical characteristics of STM worm gearboxes of the RI - RMI series
- The torque: 9 - 7300 Nm;
- Transmission ratio: 5 - 100;
- Input speed range: 500 - 2800 rpm;
- Output speed range: 28 - 560 rpm;
- Number of gears: 1;
- Mounting design: IN B5, IM B14;
- Operating temperature range: -10 ... 60 °C.
Parameters of standard sizes of STM worm gearboxes of the RI - RMI series
Type gearboxes | Ratio transfers | Moment, Nm | Power, kW | Speed, rpm |
RI 28 | 7 - 100 | 9 - 25 | 0,02 - 0,56 | 28 - 400 |
RI 40 | 5 - 100 | 23 - 59 | 0,04 - 1,80 | 28 - 560 |
RI 50 | 5 - 100 | 42 - 109 | 0,08 - 3,00 | 28 - 560 |
RI 63 | 5 - 100 | 79 - 195 | 0,15 - 5,30 | 28 - 560 |
RI 70 | 7 - 100 | 95 - 223 | 0,20 - 4,60 | 28 - 400 |
RI 85 | 7 - 100 | 172 - 434 | 0,33 - 8,60 | 28 - 400 |
RI 110 | 7 - 100 | 341 - 873 | 0,62 - 16,6 | 28 - 400 |
RI 130 | 7 - 100 | 501 - 1296 | 0,94 - 24,0 | 28 - 400 |
To 150 | 7 - 100 | 754 - 2040 | 1,30 - 36,0 | 28 - 400 |
RI 180 | 7 - 100 | 1015 - 2910 | 2,10 - 48,0 | 28 - 400 |
RI 215 | 7 - 100 | 1660 - 4800 | 3,30 - 77,0 | 28 - 400 |
RI 250 | 7 - 98 | 2200 - 7300 | 4,70 - 102 | 29 - 400 |
You can buy worm gearboxes and gear motors of the STM RI - RMI series, find out the price and more information about the product by contacting our specialists.
