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Brand Name : Giant Precision
Model Number : LSN-25-XX-U-II
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 : Model 25 Strain Wave Reducer Gears
Reduction Ratio : 50:1, 80:1, 100:1, 120:1
Backlash : ≤20 Arc Sec
Rated Torque at 2000r/min Input : 39 Nm to 67 Nm
Peak Torque at Start and Stop : 98 to 167 Nm
Average Input Speed : 3500 r/min
Maximum Input Speed : 5600 r/min
Design Life : 15000 hours
Features : High Torque Capacity, High Precision, High Accuracy, Zero Backlash
Weight : 1.14 KG
Application : Wood, Light Metal and Plastic Machine Tools, Space equipment, Optical machines
Warranty : 1 Year
30% Lighter Harmonic Reducer Gears Strain Wave Reducer
LSN series harmonic reducer is ideal for applications where weight is a critical factor, but high torque and zero backlash are required. LSN - 25 - XX - U - II is a high torque housed component gear set combined with a precision cross roller output bearing & flange. It is a very compact, robust and easy to use gearhead solution. It is available in 5 sizes with ratios 50:1 to 120:1.
How it Works
The Flexspline is slightly smaller in diameter and has two fewer teeth than the Circular Spline. The elliptical shape of the Wave Generator causes the teeth of the Flexspline to engage the Circular Spline at two opposite regions across the major axis of the ellipse. For every 180 degree clockwise rotation of the Wave Generator the Flexspline teeth are advanced counterclockwise by one tooth in relation to the Circular Spline. Each complete clockwise rotation of the Wave Generator results in the Flexspline moving counter-clockwise by two teeth from its original position relative to the Circular Spline.
![]() | Key Features
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Advantages
Lightweight structure is achieved through optimized design and the utilization of premium materials, resulting in a significant 30% reduction in product weight.
Cup-shaped standard barrel structure for the flexible wheel, combined with high rigidity full roller cross bearings.
Utilizing the self-developed CMP heat treatment process, the LS tooth profile design ensures precision grinding with 1um track accuracy.
Compact and concise structural design, with zero backlash, direct motor connection, and convenient installation.
Input and output coaxial.
Excellent positional accuracy and repeatability.
Specification Sheet
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 | ||
25 | 50 | 39 | 4 | 98 | 10 | 55 | 5.6 | 186 | 19 | 5600 | 3500 | ≤20 | 1.14 | 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 |
Drawing
![]() | Key Attributes of LSN - II Model 25 Harmonic Reudcer | |||
Product | Model 25 Harmonic Drive Units | |||
Components | Wave Generator, Flexspline, Circular Spline | |||
Reduction Ratio | 50:1, 80:1, 100:1, 120:1 | |||
Backlash | Less than 20 Arc Sec | |||
Average Input Speed | 3500 r/min | |||
Max Input Speed | 5600 r/min | |||
Design Life | 15000 hours | |||
Model | 25 | |||
Weight | 1.14 kg | |||
Warranty | 1 Year |
Applications
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Industrial Robots | Huamnoid Robots | Semiconductor |
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Compact Harmonic Speed Reducer Strain Wave Gear Model 25 Customized Images |