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| Series | Size | Ratio | Type |
|---|---|---|---|
| FB | 50 | 120 | 2-GR |
FB component set consists of four elements:
- Wave generator, an elliptical bearing assembly
- Flexspline, a non-rigid ring with external teeth
- Circular Spline, rigid internal gear
- Dynamic Spline, rigid internal gear
How it works
Rotation of the Wave Generator imparts a rotating elliptical shape to the Flexspline causing progressive engagement of its external teeth with the internal teeth of the Circular Spline and the Dynamic Spline. The fixed Circular Spline has two more teeth than the Flexspline, thereby imparting relative rotation to the Flexspline at a reduction ratio corresponding to the difference in the number of teeth. With the same number of teeth, the Dynamic Spline rotates with and at the same speed as the Flexspline.
| Gear Model Number |
| Gear Dimensions (see drawing) | ||
|---|---|---|
| Flange Dim A - Motor Adapter Flange Bore Dia. | {{foundMotor.flangeDimA}} | mm |
| Flange Dim B - Motor Adapter Flange Bore Depth | {{foundMotor.flangeDimB}} | mm |
| Motor Dim C - Motor Bolt Circle Dia. | {{foundMotor.dimC}} | mm |
| Flange Dim D - Bolt Size | {{foundMotor.flangeDimD}} | |
| Coupling Dim F - Motor Coupling Bore Dia. | {{foundMotor.couplingDimF}} | mm |
| Mass | kg | |
| Gear Performance Data | ||
|---|---|---|
| Rated Torque L10 | 304 | Nm |
| Limit for Average Torque | 421 | Nm |
| Limit for Repeated Peak Torque | 421 | Nm |
| Limit for Momentary Peak Torque | 706 | Nm |
| Backdriving Torque | Nm | |
| Ave. Input Speed | 1,700 | rpm |
| Gear Backlash | < 3 | arc min |
| Mass | 2.9 | kg |
