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Brand Name : Giant Precision
Model Number : LSS-14/17/20/20/25/32/40-XX-U-I
Certification : ISO9001
Place of Origin : China
MOQ : 1 set
Price : To Be Negotiated
Payment Terms : T/T
Supply Ability : 20000 Sets per Month
Delivery Time : 3-4 Weeks
Packaging Details : Carton Box
Product : LSS - I Harmonic Gear Units
Material : Steel, Aluminum, Polyurethane, Bearings and Seals, Lubricants
Reduction Ratio : 50, 80, 100, 120
Backlash : ≤20 Arc Sec
Average Input Speed : 3000 or 3500 r/min
Design Life : 15000 hours
Model : 14, 17, 20, 25, 32, 40
Weight : 0.51 to 4.6 kg
Warranty : 1 Year
Color : Sliver
Product Description
LSS - I series harmonic gear units are known as the cup-shaped motor direct drive strain wave reducer with less damageable parts.
This design allows for a more compact and efficient use of space, offers advantages such as high efficiency, precision, and reduced maintenance, as there are fewer components prone to wear and tear, helps to extend service life to a great extent.
LSS - I series harmonic gear units are widely used on robots, automation equipment like CNC equipment and rotation equipment, semiconductor manufacturing, medical equipment and so on.
Key Features
Specifications
| 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 | ||
| 14 | 50 | 5.4 | 0.55 | 18 | 1.8 | 6.9 | 0.7 | 35 | 3.6 | 8500 | 3500 | ≤20 | 0.51 | 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 | 0.67 | 10000 |
| 80 | 22 | 2.2 | 43 | 4.4 | 27 | 2.7 | 87 | 8.9 | 15000 | |||||
| 100 | 24 | 2.4 | 54 | 5.5 | 39 | 4 | 108 | 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 | 0.96 | 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 | 1.46 | 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 | 3.11 | 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 | 4.6 | 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 | |||||
Detailed Images

| Key Attributes of LSS - I Series Harmonic Gear Units | |||
| Product | Harmonic Gear Units | ||
| Material | Steel, Aluminum, Polyurethane, Bearings and Seals, Lubricants | ||
| Reduction Ratio | 50, 80, 100, 120 | ||
| Backlash | Less than 10 Arc Sec | ||
| Average Input Speed | 3000 or 3500 r/min | ||
| Max Input Speed | 8500 r/min | ||
| Design Life | 15000 hours | ||
| Model | 14, 17, 20, 25, 32, 40 | ||
| Weight | 0.51 to 4.6 kg | ||
| Warranty | 1 Year | ||

PDF Drawings
LSS-14-XX-U-I.pdf LSS-17-XX-U-I.pdf LSS-20-XX-U-I.pdf
LSS-25-XX-U-I.pdf LSS-32-XX-U-I.pdf LSS-40-XX-U-I.pdf
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High Precision CNC Harmonic Drive Gear Units Strain Wave Gearbox Reducer Images |