LHN Light Weight Harmonic Gearbox
LHN Series features internal support bearings and a fully sealed structure, ensuring easy installation. Ideal for applications requiring umbrella gears or synchronous belt drives at the input end.
Key Features
- Large diameter, hollow shaft
- Lightweight structure
- Compact and concise design
- Zero backlash
- Input and output coaxial
- Excellent positioning accuracy and rotational precision
- Product Description
- Specifications
- Product Video
- FAQ
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Product Description
LHN Series is built upon the LHT series, this series optimizes structure and materials to reduce weight by over 20% without compromising performance parameters. This enhancement enables it to handle faster speeds and heavier loads in industrial robotics.
Advantages
Lightweight product, 20% lighter than standard products.
LHN-III:
Light weight structure, compact and simple structure design, non-backlash, input and output coaxial, excellent positioning accuracy and rotation accuracy.
LHN-IV:
Suitable for different input forms.There are support bearings inside the strain wave gear. The harmonic gearbox is designed with fully sealed structure. It is easy for installation.
Specifications
Specification of LHT/LHN Rated parameters
Model | Reduction ratio | Rated torque at 2000r/min input | Permissible peak torque at start and stop | Permissible maximum value for average load torque | Permissible maximum momentary torque | Permissible maximum input rotational speed | Permissible average input rotational speed | Backlash | Weight | Design life | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Grease | Grease | |||||||||||||
Nm | kgfm | Nm | kgfm | Nm | kgfm | Nm | kgfm | r/min | r/min | Arc Sec | Kg | Hour | ||
8 | 50 | 1.8 | 0.18 | 3.3 | 0.34 | 2.3 | 0.23 | 6.6 | 0.67 | 8500 | 3500 | ≤40 | LHT-I:0.06 | 10000 |
100 | 2.4 | 0.24 | 4.8 | 0.49 | 3.3 | 0.34 | 9 | 0.92 | 10000 | |||||
11 | 50 | 3.5 | 0.36 | 8.3 | 0.85 | 5.5 | 0.56 | 17 | 1.73 | 8500 | 3500 | ≤30 | LHT-I:0.27 | 10000 |
80 | 4.5 | 0.46 | 9.9 | 1.01 | 8 | 0.82 | 22.5 | 2.3 | 10000 | |||||
100 | 5 | 0.51 | 11 | 1.12 | 8.9 | 0.91 | 25 | 2.55 | 10000 | |||||
14 | 50 | 5.4 | 0.55 | 18 | 1.8 | 6.9 | 0.7 | 35 | 3.6 | 8500 | 3500 | ≤20 |
LHT-I/II:0.4 LHT-III:0.70 LHT-IV:0.66 LHT-V:0.40 LHT-C:0.14 LHN-III:0.56 LHN-IV:0.50 |
10000 |
80 | 7.8 | 0.8 | 23 | 2.4 | 11 | 1.1 | 47 | 4.8 | 15000 | |||||
100 | 7.8 | 0.8 | 28 | 2.9 | 11 | 1.1 | 54 | 5.5 | 15000 | |||||
120 | 7.8 | 0.8 | 28 | 2.9 | 11 | 1.1 | 54 | 5.5 | 15000 | |||||
17 | 50 | 16 | 1.6 | 34 | 3.5 | 26 | 2.6 | 70 | 7.1 | 7300 | 3500 | ≤20 |
LHT-I/II:0.54 LHT-III:0.99 LHT-IV:0.90 LHT-V:0.62 LHT-C:0.19 LHN-III:0.79 LHN-IV:0.69 |
10000 |
80 | 22 | 2.2 | 43 | 4.4 | 27 | 2.7 | 87 | 8.9 | 15000 | |||||
100 | 24 | 2.4 | 54 | 5.5 | 39 | 4 | 110 | 11 | 15000 | |||||
120 | 24 | 2.4 | 54 | 5.5 | 39 | 4 | 86 | 8.8 | 15000 | |||||
20 | 50 | 25 | 2.5 | 56 | 5.7 | 34 | 3.5 | 98 | 10 | 6500 | 3500 | ≤20 |
LHT-I/II:0.72 LHT-III:1.32 LHT-IV:1.29 LHT-V:0.82 LHT-C:0.27 LHN-III:1.04 LHN-IV:0.98 |
10000 |
80 | 34 | 3.5 | 74 | 7.5 | 47 | 4.8 | 127 | 13 | 15000 | |||||
100 | 40 | 4.1 | 82 | 8.4 | 49 | 5 | 147 | 15 | 15000 | |||||
120 | 40 | 4.1 | 87 | 8.9 | 49 | 5 | 147 | 15 | 15000 | |||||
160 | 40 | 4.1 | 92 | 9.4 | 49 | 5 | 147 | 15 | 15000 | |||||
25 | 50 | 39 | 4 | 98 | 10 | 55 | 5.6 | 186 | 19 | 5600 | 3500 | ≤20 |
LHT-I/II:1.22 LHT-III:2.02 LHT-IV:1.99 LHT-V:1.40 LHT-C:0.46 LHN-III:1.65 LHN-IV:1.43 |
10000 |
80 | 63 | 6.4 | 137 | 14 | 87 | 8.9 | 255 | 26 | 15000 | |||||
100 | 67 | 6.8 | 157 | 16 | 108 | 11 | 284 | 29 | 15000 | |||||
120 | 67 | 6.8 | 167 | 17 | 108 | 11 | 304 | 31 | 15000 | |||||
32 | 50 | 76 | 7.8 | 216 | 22 | 108 | 11 | 382 | 39 | 4800 | 3500 | ≤20 |
LHT-I/II:2.54 LHT-III:4.20 LHT-IV:4.00 LHT-V:2.70 LHT-C:1.00 LHN-III:3.19 LHN-IV:3.17 |
10000 |
80 | 118 | 12 | 304 | 31 | 167 | 17 | 568 | 58 | 15000 | |||||
100 | 137 | 14 | 333 | 34 | 216 | 22 | 647 | 66 | 15000 | |||||
120 | 137 | 14 | 353 | 36 | 216 | 22 | 686 | 70 | 15000 | |||||
40 | 50 | 137 | 14 | 402 | 41 | 196 | 20 | 686 | 70 | 4000 | 3000 | ≤20 |
LHT-I/II:4.40 LHT-III:7.20 LHT-IV:7.00 LHT-V:4.06 LHT-C:1.87 LHN-III:5.95 |
10000 |
80 | 206 | 21 | 519 | 53 | 284 | 29 | 980 | 100 | 15000 | |||||
100 | 265 | 27 | 568 | 58 | 372 | 38 | 1080 | 110 | 15000 | |||||
120 | 294 | 30 | 617 | 63 | 451 | 46 | 1180 | 120 | 15000 |
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What is a strain wave gear box?
+A strain wave gear box is a type of gear system that produces high reduction ratios in a compact size. It uses the mechanics of a flexible element deforming to transmit motion and achieve high precision and torque.
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How does a harmonic gear box work?
+A harmonic gear box works by using a circular spline, flexspline, and a wave generator. The wave generator deforms the flexspline into an elliptical shape, which then engages with the teeth of the circular spline at two points, providing a high reduction ratio through the difference in tooth count between the engaged elements.
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What are the main components of a strain wave drive?
+The main components are the circular spline (fixed outer ring), the flexspline (flexible inner ring with fewer teeth), and the wave generator (an elliptical disc that fits inside the flexspline).
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What are the advantages of using harmonic/strain wave gear boxes?
+Strain wave/harmonic gearboxes offer high precision, zero backlashes, high torque capacity, compact size, and lightweight. They are also known for their excellent positional accuracy and repeatability.
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What applications are harmonic-type drives used in?
+They are used in applications requiring high precision and reliability, such as robotics, aerospace, defense, medical equipment, and semiconductor manufacturing equipment.
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How do you select a strain wave drive for a specific application?
+Selection depends on factors like torque requirements, desired reduction ratio, space constraints, load capacity, and environmental conditions. It's essential to consult with manufacturers or experts to choose the appropriate model.
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What are the different types of Strain Wave Gearboxes?
+Circular Spline Gearboxes
Cup-Type Gearboxes
Flat Gearboxes
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What is a Circular Spline?
+The Circular Spline in Strain Wave Gearboxes are characterized by their robust design.
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