Place of Origin:
China
Brand Name:
Lichuan
Certification:
ISO9001 CE RoHS EPR EMC LVD IEC/EN60034-1 IEC62321
Model Number:
PLF90-70:1
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Lichuan Planetary Reducer Gearbox 70 to 1 70:1 PLF90 90mm Frame Size High Precision High Torque
Lichuan Planetary Reducer Gearbox PLF90 90mm Frame Size | Ratio 3:1–100:1 | High Precision High Torque
| Reducer performance data | ||||
| Specifications | Unit | Stage | Ratio | PLF90 |
| Nominaloutput Torgue | N.m | 1 | 3 | 95.5 |
| 4 | 74.6 | |||
| 5 | 95.2 | |||
| 7 | 85.6 | |||
| 10 | 75.0 | |||
| 2 | 12 | 95.2 | ||
| 15 | 95.2 | |||
| 20 | 74.6 | |||
| 25 | 95.2 | |||
| 30 | 95.2 | |||
| 35 | 95.2 | |||
| 40 | 95.2 | |||
| 50 | 95.2 | |||
| 70 | 85.0 | |||
| 100 | 75.0 | |||
| Emergency Stop Torque | N.m | 1,2 | 3-100 |
3.0 times of Nominal Qutput Torque |
| Nominal Input Speed | rpm | 1,2 | 3-100 | 3000 |
| Max.Input Speed | rpm | 1,2 | 3-100 | 6000 |
| Ultraprecise Blacklash | arcmin | 1 | 3-10 | - |
| 2 | 12 - 100 | - | ||
| Precise Blacklash | arcmin | 1 | 3-10 | ≤6 |
| 2 | 12 - 100 | ≤9 | ||
| Standard Blacklash | arcmin | 1 | 3-10 | ≤9 |
| 2 | 12-100 | ≤12 | ||
| Torsional Rigidity | N.m/aremin | 1,2 | 3-100 | 7.5 |
| Max.Radial Load | N | 1,2 | 3-100 | 1630 |
| Max.Axial Load | N | 1,2 | 3-100 | 1420 |
| Operating Temp | ℃ | 1,2 | 3-100 | -10°C -+90°C |
| Service Life | hr | 1,2 | 3-100 | 20.000(10,000/continiu operationg) |
| Efficiency | % | 1 | 3-10 | ≥96% |
| 2 | 12-100 | ≥92% | ||
| Weight | Kg | 1 | 3-10 | 3.0 |
| 2 | 12 - 100 | 5.0 | ||
| Mounting Position | - | 1,2 | 3-100 | Any direction |
| Noise Level | dB,A/1m | 1,2 | 3-100 | 65 |
| Protection Class | - | 1,2 | 3-100 | IP65 |
| Lubrication | - | 1,2 | 3-100 | Synthetic Lubricant |
| Moment of inertia of reducer | ||||
| Specifications | Unit | Stage | Ratio | PLF90 |
| Inertia | kg.cm² | 1 | 3 | 0.81 |
| 4 | 0.65 | |||
| 5 | 0.62 | |||
| 7 | 0.60 | |||
| 10 | 0.60 | |||
| 2 | 12 | 0.62 | ||
| 15 | 0.62 | |||
| 20 | 0.62 | |||
| 25 | 0.62 | |||
| 30 | 0.60 | |||
| 35 | 0.60 | |||
| 40 | 0.60 | |||
| 50 | 0.60 | |||
| 70 | 0.60 | |||
| 100 | 0.60 | |||
| Size | C1 | C2 | C3 | C4 | C5 | C6 | C7 | C8 | C9 | C10 |
| PLF90-L1 | Φ70 |
4-M4x12 4-M5x12 |
≤Φ14 | 46 | Φ50 | 4 | 90 | 100 | 140 | 6 |
| Φ75 |
4-M4x12 4-M5x12 |
≤Φ14 | 46 | Φ60 | 5.5 | 90 | 100 | 1 | 6 | |
| Φ90 |
4-M5x15 4-M6x15 |
≤Φ19 | 46 | Φ70 | 7 | 90 | 100 | 140 | 7 | |
| Φ100 | 4-M6x15 | ≤Φ19 | 46 | Φ80 | 7 | 90 | 100 | 1 | 7 | |
| Φ115 | 4-M8x20 | ≤Φ24 | 61.5 | Φ95 | 10 | 100 | 100 | 140 | 12.5 | |
| Φ145 | 4-M8x20 | ≤Φ24 | 61.5 | Φ110 | 10 | 130 | 100 | 1 | 12.5 | |
| PLF90-L2 | Φ70 |
4-M4x12 4-M5x12 |
≤Φ14 | 46 | Φ50 | 4 | 90 | 119 | 159 | 6 |
| Φ75 |
4-M4x12 4-M5x12 |
≤Φ14 | 46 | Φ60 | 5.5 | 90 | 119 | 1 | 6 | |
| Φ90 |
4-M5x15 4-M6x15 |
≤Φ19 | 46 | Φ70 | 7 | 90 | 119 | 159 | 7 | |
| Φ100 | 4-M6x15 | ≤Φ19 | 46 | Φ80 | 7 | 90 | 119 | 1 | 7 | |
| Φ115 | 4-M8x20 | ≤Φ24 | 61.5 | Φ95 | 10 | 100 | 119 | 159 | 12.5 | |
| Φ145 | 4-M8x20 | ≤Φ24 | 61.5 | Φ110 | 10 | 130 | 119 | 1 | 12.5 |
The Lichuan Planetary Reducer Gearbox PLF90 is a high-precision transmission solution designed for demanding motion control applications. This Planetary Reducer Gearbox supports a wide range of reduction ratios from 3:1 to 100:1, delivering excellent torque amplification and smooth performance.
With its compact 90mm frame size and robust planetary gear structure, this Planetary Reducer Gearbox is ideal for servo motors and stepper motors used in industrial automation, robotics, and CNC systems.
This Planetary Reducer Gearbox features a precision-engineered planetary gear system consisting of a sun gear, multiple planet gears, and a ring gear. This design ensures even load distribution, high transmission efficiency, and long-term stability.
The PLF90 Planetary Reducer Gearbox is specifically optimized for high torque output and low backlash, making it suitable for applications requiring precise positioning and repeatability.
The PLF90 Planetary Reducer Gearbox is widely used in:
The Planetary Reducer Gearbox operates through a central sun gear driven by the motor. Multiple planet gears rotate around the sun gear and engage with an internal ring gear. This structure enables:
| Model | Frame Size | Ratio Range | Torque (Nm) | Backlash |
|---|---|---|---|---|
| PLF90 | 90mm | 3:1–10:1 | 20–60 | ≤15 arcmin |
| PLF90 | 90mm | 12:1–30:1 | 40–100 | ≤12 arcmin |
| PLF90 | 90mm | 35:1–100:1 | 60–120 | ≤10 arcmin |
Q1: What motors are compatible with this Planetary Reducer Gearbox?
A: It is compatible with most servo motors and stepper motors (NEMA23/NEMA24).
Q2: What is the advantage of multiple ratios?
A: Different ratios allow flexible control of speed and torque depending on application needs.
Q3: Is this Planetary Reducer Gearbox suitable for continuous operation?
A: Yes, it is designed for long-term industrial use.
Q4: Can I customize the flange or shaft?
A: Yes, OEM customization is supported.
Lichuan is a professional manufacturer specializing in Planetary Reducer Gearbox and motion control solutions. With advanced production equipment and strict quality standards, we provide reliable and cost-effective products to global automation industries.
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