Technical data
ACBAR in numbers
Binding values from the official AKIM data sheets. For dimension drawings, radial-load tables and performance diagrams, see the data sheet downloads at the end of the page.
- Single-stage ratio
- 2.5 : 1 to 13,600 : 1 (multi-stage virtually unlimited)
- Nominal torque, standard range
- 80 – 1,000 Nm (special versions above 15,000 Nm)
- Input speed
- 1,500 – 3,000 rpm, max. 6,000 rpm
- Lubrication
- Lifetime lubrication — absolutely maintenance-free, no oil fittings
- Bearings
- All moving parts run on rolling bearings
- Sealing
- All round — any mounting position, horizontal or vertical
- Motor mounting
- IEC standard motors, B5 or B14 flange, no additional shaft seal required
- Mounting arrangements
- B3, B5, B6, B7, B8, B14, V1, V3, V5, V6, V18, V19
Frame sizes at a glance
| Type | Nominal torque | Ratio min. | Ratio max. | Backlash std. | Backlash reduced | Torsional stiffness | Input inertia |
|---|---|---|---|---|---|---|---|
| 11 | 80 Nm | 2.5 : 1 | 8,855 : 1 | 1.2° | 0.2° | 11,000 | 0.0008 |
| 81 | 150 Nm | 5.8 : 1 | 13,600 : 1 | 1.2° | 0.3° | 26,000 | 0.0015 |
| 121 | 250 Nm | 7 : 1 | 8,007 : 1 | 1.3° | 0.3° | 60,000 | 0.003 |
| 12/451 | 450 Nm | 7 : 1 | 8,007 : 1 | 1.3° | 0.3° | 81,000 | 0.006 |
| 251 | 600 Nm | 4.5 : 1 | 10,152 : 1 | 1.3° | 0.4° | 110,000 | 0.007 |
| 501 | 1,000 Nm | 6 : 1 | 10,441 : 1 | 1.2° | 0.4° | 143,000 | 0.0084 |
Note: reduced-backlash versions from 0.2° (type 11). Torsional stiffness in Nm/rad. Moment of inertia in kgm².
Data sheets (PDF)
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