Products
Product Specifications
Base Oil
Synthetic PAO + Ester
Thickener
Complex Lithium Soap
Base Oil Viscosity
50 mm²/s (40°C)
Friction Coeff.
0.048
Wear Scar
0.35 mm
Oil Separation
0.92% (100°C, 24h)
Dropping Point
289°C
Weld Load (PD)
315 kg
SmartC-HD Series
Harmonic Drive Grease
Specifically engineered for humanoid robot harmonic reducers. Full synthetic PAO + Ester base oil with complex lithium soap thickener. Ultra-low friction, exceptional anti-wear and extreme pressure performance, with outstanding oil bleed stability for long-life operation.
Key Features
- Friction coefficient 0.048 — ultra-low torque for energy efficiency
- Wear scar diameter 0.35mm — superior flexspline protection
- Oil separation rate 0.92% — exceptional long-term stability
- Dropping point 289°C — extreme high-temperature reliability
- Weld load (PD) 315 kg — outstanding extreme pressure protection
- Operating range -40°C to +130°C — all-climate performance
Ideal For
Flexspline, Wave Generator, Flexible Bearings, Sealed High-Speed Joints
Applicable Robot Joints
SmartC-HD is designed for high-speed, precision joints — shoulder, elbow, wrist, and ankle harmonic drives.
Application Scenarios
Where SmartC-HD Series is used in the field
Humanoid Robot Arms
Shoulder & elbow harmonic drives for precise arm movement and object manipulation.
Robot Dog Leg Joints
High-speed ankle and wrist joints in quadruped robots requiring low-noise dynamic motion.
Cobot Wrist Assemblies
Final-axis harmonic reducers in collaborative robots for precision end-effector control.
Dexterous Hand Actuators
Miniature harmonic drives in multi-finger robot hands requiring ultra-low torque.
Custom Solutions
We Support Custom Product Development
Beyond our standard product lines, SmartC offers fully customized grease formulations tailored to your specific robot model, joint design, and operating environment.
Custom Temperature Range
Need grease for -60°C arctic environments or +250°C high-heat applications? We formulate for any temperature spec.
Special Environment
Underwater corrosion resistance, cleanroom compatibility, food-grade certification, or explosion-proof requirements.
Robot-Specific Formula
Matched to your exact joint type, speed profile, load curve, and duty cycle. We test with your actual hardware.
Custom Development Process
Requirement Analysis
Share your robot specs, joint types, operating conditions, and performance targets.
Formula Design
Our R&D team designs a base oil + thickener + additive package matched to your needs.
Lab Testing
Friction, wear, temperature cycling, seal compatibility, outgassing — full validation.
Sample & Field Trial
We provide samples for your in-house testing. Iterate until specs are met.
Production & Supply
Scale to volume production with consistent quality. Ongoing technical support.