ALF Series

· Precision Helical Gearing: High contact ratio for ultra-quiet & smooth operation.
· High-Rigidity Flange: Superior resistance to heavy radial & axial loads.
· Ultra-Low Backlash: Carburized alloy gears for sustained high precision.
· Full Model Coverage: Complete series from ALF060 , ALF090 for flexible motor coupling.
| ALF Series Gearbox Performance Information | |||||
|---|---|---|---|---|---|
| Model | Unit | ALF060 | ALF090 | Ratio | Stage |
| Rated Output Torque | N·m | 35 | 100 | 3 | 1 |
| 45 | 110 | 4 | |||
| 44 | 105 | 5 | |||
| 40 | 100 | 7 | |||
| 22 | 50 | 10 | |||
| Emergency Stop Torque | N·m | 3 times Rated Output Torque | - | - | |
| Nominal Input Speed | rpm | 3000 | 3000 | - | - |
| Maximum Input Speed | rpm | 6000 | 6000 | - | - |
| Maximum Radial Force*1 | N | 920 | 1400 | - | - |
| Maximum Axial Force*1 | N | 630 | 600 | - | - |
| Efficiency | % | Single [97%] | - | - | |
| Average Lifetime | h | 20000 | - | - | |
| Weight (Approx.) | kg | 1.1 | 3.0 | - | 1 |
| Moment of Inertia | kgcm² | 0.22 | 1.2 | 3 | 1 |
| 0.17 | 0.95 | 4 | |||
| 0.16 | 0.86 | 5 | |||
| 0.14 | 0.79 | 7 | |||
| 0.14 | 0.75 | 10 | |||
| Backlash | arcmin | ≤ 5 | ≤ 5 | Standard[1] | |
| Torsional Rigidity | N·m/arc min | 7 | 14 | - | - |
| Noise | dB | 60 | 62 | - | - |
| Lubrication | - | Synthetic grease lubrication | - | - | |
| Levels of Protection | - | IP65 | - | - | |
*1 Applied at the center of the output shaft when output speed is 100 rpm.
■ Features For ALF Series Planetaty Gearbox ( Helical Gear )
The ALF Series High-Precision Helical Planetary Gearbox is a premium inline motion control transmission component specifically designed for demanding industrial automation, servo drive systems, and high-precision positioning machinery. Featuring advanced helical planetary gearing technology, the ALF series provides a significantly higher gear contact ratio and smoother meshing engagement compared to traditional spur planetary gearboxes. This engineered design dramatically reduces operational noise and mechanical vibration under continuous high-speed operation, while significantly boosting torque density and delivering ultra-low backlash performance.
Internally, the planetary gears are manufactured from premium alloy steel, subjected to strict carburizing, quenching, and tooth-profile precision grinding to guarantee maximum surface hardness, exceptional wear resistance, and long-term positioning accuracy. Enclosed in a robust black-anodized housing with a high-precision square output flange, the ALF series offers outstanding structural mounting rigidity and heavy loading capacity against external radial and axial forces. To satisfy diverse load requirements across automated lines—from compact precision positioning stages to heavy-duty industrial manipulators—the series encompasses a full range of standard frame sizes, including ALF060 , ALF090 . With its exceptional transmission precision, reliable long-term durability, and outstanding cost performance, the ALF square flange helical planetary gearbox is widely applied in CNC machine tools, industrial robotics, automated packaging equipment, laser cutting systems, and semiconductor manufacturing lines.