GRAESSNER (Right angle gear box)
DYNA GEAR
Company:NIDEC DRIVE TECHNOLOGY CORPORATION

Servo right-angle gearbox
Manufactured by Germany, Nidec Graessner
Features: right-angle shaft, high-precision, thin and compact, high output, high rigidity, rich variation
Product's data
Basic information
Size | D37,D55,D75,D90,D115,D130,D140,D160,D190 |
|---|---|
Reduction ratio | 3 / 4 / 5 / 6 / 8 / 10 / 12 / 15 / 16 / 18 / 24 / 30 / 32 / 40 / 50 / 60 / 64 / 80 / 100 Reduction ratio 3-15: single, reduction ratio 16-100: double (with planetary gear reducer) |
Nominal output torque | 15 ~ 1,440Nm |
Maximum output torque *1 | 22 ~ 2,160Nm |
Emergency stop torque *2 | 30 ~ 2,880Nm |
Nominal input speed | 550 ~ 4,500rpm |
Maximum input speed | 4,500 ~ 8,000rpm |
Standard backlash reduction ratio 3-15*3 | D37-D75: 5 arc-min or less, D90-D190: 4 arc-min or less |
High-precision backlash reduction ratio 3-15*3 | D75: 3 arc-min or less, D90-D190: 2 arc-min or less |
Standard backlash reduction ratio 16-100*3 | D55HR, D75HR: 7 arc-min or less, D90HR-D190HR: 6 arc-min or less |
High-precision backlash reduction ratio 16-100*3 | D55HR, D75HR: 5 arc-min or less, D90HR-D190HR: 3 arc-min or less |
Allowable radial load *4 | 2,200 ~ 22,500N |
Allowable axial load *4 | 1,100 ~ 11,250N |
Torsional rigidity *5 | 1.3 ~ 126Nm / arcmin |
Mounting direction | All direction |
Output shaft form | Solid shaft, Dual shaft, hollow shaft, flange shaft |
*1 | At max.1,000 cycles per hour, please consider reducing factor in the other cases. |
*2 | Max.1,000 times during the service life of the gearbox |
*3 | At the output, at 2% load or max. 10Nm |
*4 | Resulting force centre of output shaft at output speed 400 min-1 |
*5 | At rated torque without coupling |
Size | D37,D55,D75,D90,D115,D130,D140,D160,D190 | Reduction ratio | 3 / 4 / 5 / 6 / 8 / 10 / 12 / 15 / 16 / 18 / 24 / 30 / 32 / 40 / 50 / 60 / 64 / 80 / 100 Reduction ratio 3-15: single, reduction ratio 16-100: double (with planetary gear reducer) |
|---|---|---|---|
Nominal output torque | 15 ~ 1,440Nm | Maximum output torque *1 | 22 ~ 2,160Nm |
Emergency stop torque *2 | 30 ~ 2,880Nm | Nominal input speed | 550 ~ 4,500rpm |
Maximum input speed | 4,500 ~ 8,000rpm | Standard backlash reduction ratio 3-15*3 | D37-D75: 5 arc-min or less, D90-D190: 4 arc-min or less |
High-precision backlash reduction ratio 3-15*3 | D75: 3 arc-min or less, D90-D190: 2 arc-min or less | Standard backlash reduction ratio 16-100*3 | D55HR, D75HR: 7 arc-min or less, D90HR-D190HR: 6 arc-min or less |
High-precision backlash reduction ratio 16-100*3 | D55HR, D75HR: 5 arc-min or less, D90HR-D190HR: 3 arc-min or less | Allowable radial load *4 | 2,200 ~ 22,500N |
Allowable axial load *4 | 1,100 ~ 11,250N | Torsional rigidity *5 | 1.3 ~ 126Nm / arcmin |
Mounting direction | All direction | Output shaft form | Solid shaft, Dual shaft, hollow shaft, flange shaft |
*1 | At max.1,000 cycles per hour, please consider reducing factor in the other cases. | *2 | Max.1,000 times during the service life of the gearbox |
*3 | At the output, at 2% load or max. 10Nm | *4 | Resulting force centre of output shaft at output speed 400 min-1 |
*5 | At rated torque without coupling |



