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Original Harmonic Drive CSF/SHF Series Strain Wave Reducer for Robot Joints

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Original Harmonic Drive CSF/SHF Series Strain Wave Reducer for Robot Joints

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Model Number : CSF/SHF

Certification : ISO、CE、RoHS 、REACH

Place of Origin : Japan

MOQ : 1

Price : $600 − 1,500

Payment Terms : L/C,D/A,D/P,T/T,Western Union

Delivery Time : 3-5Workdays

Packaging Details : Original

Backlash : Zero Backlash

Lubrication : Harmonic Grease SK-1A/SK-2 (Factory Pre-filled)

Input Style : Shaft Input / Hollow Shaft (Optional)

Housing Material : High-Strength Aluminum/Steel

Environment : Clean Room / Vacuum Compatible (Optional)

Service Life : L10 > 7,000 - 10,000 Hours (Depending on conditions)

Shipping Term : International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line

Freight Charge : For Industrial Equipment (e.g., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote

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Original Harmonic Drive CSF/SHF Series Strain Wave Reducer for Robot Joints
As a global leader in strain wave gearing technology, Harmonic Drive's CSF and SHF series are precision motion control solutions specifically engineered for modern industrial and humanoid robot joints. Utilizing the patented "S-tooth profile" and controlled elastic deformation of the Flexspline, these gearheads deliver zero backlash, exceptional torque density, and extreme rotational accuracy. Whether integrated into compact collaborative arms or complex humanoid actuators, they provide unparalleled smooth motion control.
Product Highlights
  • Zero Backlash: Unique operating principle ensures superior positioning and repeatability for high-precision tasks.
  • High Torque Density: Delivers high output torque in a significantly smaller and lighter package compared to conventional gearboxes.
  • Integrated High-Rigidity Bearings: Features high-capacity cross-roller bearings to support heavy external axial and radial loads directly.
  • Compact & Lightweight Design: Engineered for space-constrained robotic joints, optimizing the robot's power-to-weight ratio.
  • Superior Transmission Efficiency: Optimized tooth friction design ensures high mechanical efficiency across a wide temperature range.
  • Long Life & Maintenance-Free: High-performance factory-applied grease combined with precision machining significantly extends service life.
Core Parameter Table (CSF-2UH Series)
Model (Size) Gear Ratio Rated Output Torque (Nm) Max Input Speed (rpm) Weight (kg) Outer Diameter (mm)
CSF-14-2UH 30/50/80/100 4 - 11 8,500 0.56 50
CSF-17-2UH 50/80/100/120 16 - 37 7,300 0.74 60
CSF-20-2UH 50/80/120/160 25 - 54 6,500 0.98 70
CSF-25-2UH 50/80/120/160 50 - 110 5,600 1.50 85
CSF-32-2UH 50/80/120/160 115 - 240 4,800 3.10 110
Application Fields
  • Humanoid Robots: Core rotational joints for shoulders, elbows, knees, and ankles.
  • Collaborative Robots (Cobots): All joints of lightweight 6-axis robotic arms.
  • Semiconductor Manufacturing: Precision wafer handling in high-vacuum or cleanroom environments.
  • Precision CNC Machines: Fourth/fifth-axis rotary tables and tool magazine controls.
  • Medical Equipment: Surgical robot arms and high-precision imaging rotary platforms.
Frequently Asked Questions
Q: Are your products 100% original Japan-made?
A: Yes, we guarantee that all Harmonic Drive products are sourced via official channels, including original packaging and unique serial numbers for brand verification.
Q: How do I choose the right gear ratio for my robot?
A: It depends on your motor speed and required output torque. 50:1 and 100:1 are the most common ratios for robot joints. We provide selection consulting based on your load data.
Q: Is the product lubricated upon delivery?
A: 2UH unit types come pre-filled with high-performance factory grease. Component sets require lubrication according to specifications during installation.
Q: Do you provide CAD models for design reference?
A: Yes, 2D/3D CAD files (STEP/IGES formats) are available for customers with confirmed intent to facilitate structural integration.
Q: What is the typical lead time?
A: Popular models (Size 14/17/20) are usually in stock and ship within 3-5 business days. Bulk orders follow the factory's production schedule.
Q: Can the strain wave reducer be back-driven?
A: Yes, but due to high gear ratios, the starting torque for back-driving is relatively high. This should be considered in the design of robot safety braking systems.

Product Tags:

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