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The Yaskawa 139478-1 reducer is engineered for high efficiency and robust performance. With a rated output torque of 400 Nm and a maximum output torque of 650 Nm, this unit is ideal for demanding applications involving the S-axis.
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| Manufacturer | Yaskawa |
|---|---|
| Product Type | Reducer |
| Product Line | Accessories |
| Part Number | 139478-1 |
| Torsional Rigidity | 500 Nm/arc-min |
| Rated Output Torque | 400 Nm |
| Drive Type | RV (Cycloidal) |
| Lubrication | Grease filled |
| Moment Load Capacity | 450 Nm |
| Max Output Torque | 650 Nm |
| Axis | S-Axis |
| Mounting Type | Flange |
| Operating Temperature Range | 0–50 °C |
| Backlash | < 1 arc-min |
| Max Input Speed | 2500 rpm |
| Protection Rating | IP54 |
| Service Life | 20,000 h |
| Efficiency | 85–90 % |
The 139478-1 from Yaskawa represents a highly efficient reducer that excels in various mechanical applications. It features a cycloidal drive type, commonly known as RV, which is designed to enhance performance and reduce wear. The reducer is built to provide a rated output torque of 400 Nm, while it can sustain a maximum output torque of 650 Nm, making it suitable for high-load applications.
With a moment load capacity rated at 450 Nm, the reducer can withstand significant operational stresses. It incorporates a flange-type mounting for straightforward installation and integration into existing systems. The unit maintains a torsional rigidity of 500 Nm/arc-min, ensuring minimal deformation under load, which contributes to accurate motion control.
In terms of environmental resilience, the Yaskawa reducer is rated IP54, providing protection against dust and water ingress, enhancing its suitability for industrial environments. This model efficiently operates within a temperature spectrum of 0 to 50 °C, accommodating a variety of operational conditions. Additionally, the reducer is designed with a low backlash of less than 1 arc-min, yielding improved positional accuracy.
The maximum input speed of the 139478-1 reducer reaches up to 2500 rpm, while its lubrication is grease-filled to maintain performance over extended periods. Furthermore, it is engineered for a substantial service life of about 20,000 hours, promoting long-term durability. The efficiency of the unit ranges from 85% to 90%, ensuring effective energy use in demanding applications.