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Harmonic Reducer Input Shaft for Humanoid Robots: The Core of Precision Power Transmission
Product Description
The harmonic reducer input shaft is one of the core transmission components of humanoid robot joint modules. It is responsible for precisely transmitting the high-speed rotary power from the servo motor to the wave generator of the harmonic reducer. Through the elastic deformation principle, it achieves high-ratio speed reduction and ultimately outputs high torque to drive the robot joint movement.
Our input shafts are made of high-strength alloy steel, processed by precision CNC turning, grinding, and special heat treatment processes. This ensures extremely high dimensional stability and wear resistance even under high-speed operation and continuous load.
Features
Ultra-High Precision: Utilizes precision grinding processes to ensure shaft journal dimensional tolerances are controlled within ±0.002mm, with roundness error ≤ 0.001mm, guaranteeing perfect fit with bearings and reducers.
Excellent Mechanical Properties: The core is made of high-quality bearing steel (e.g., GCr15), undergoes quenching and tempering and surface high-frequency quenching. The core remains tough, while the surface hardness reaches up to HRC 60-62, significantly extending wear life.
Superior Dynamic Balance: Each shaft undergoes dynamic balancing correction, with residual unbalance reaching G2.5 grade. This suppresses vibration and noise during high-speed operation (up to 6000r/min) at the source, enhancing the smooth operation of the joint module.
Excellent Surface Integrity: Key mating surfaces are finely ground or polished, with surface roughness Ra ≤ 0.2μm, effectively reducing friction and wear, and minimizing stress concentration to improve fatigue life.
Flexible Customization: Supports non-standard customization based on customer's harmonic reducer model (e.g., 05, 08, 11, 14, 17, 20, 25, 32 series) and motor interface, including dimensions, keyways, threaded holes, etc.
Our harmonic reducer input shafts are mainly used in the following areas:
Humanoid Robot Joints: Widely used in shoulder, elbow, hip, and knee joints and other parts requiring high precision and lightweight transmission. They are key to achieving human-like flexible movement.
Industrial Robot Joints: Suitable for various rotary joints of SCARA robots and six-axis collaborative robots, ensuring repeatable positioning accuracy and operational reliability.
Precision Automation Equipment: Such as semiconductor manufacturing equipment (wafer handling, lithography machines), LCD panel handling equipment, and rotary tables for precision machine tools.
Aerospace Field: Used in satellite antenna drive mechanisms, adjustment mechanisms for precision optical instruments, and other occasions with extremely high requirements for weight and reliability.
Customization Services
We deeply understand the unique requirements of different application scenarios for input shafts and offer comprehensive CNC precision machining customization services:
Dimension Customization: Customize length, diameter, and tolerance zone according to your harmonic reducer model and motor output shaft specifications.
Geometric Structure Customization: Support customization of keyways (flat key, spline), threaded holes, undercuts, shoulders, and other specific features.
Material and Heat Treatment Customization: Recommend and customize material grades and heat treatment processes (e.g., nitriding) based on load, speed, and special environmental (e.g., corrosion resistance) requirements.
Small-Batch Trial Production & Large-Scale Manufacturing: Support seamless transition from sample trial production to large-scale stable production, ensuring consistent quality.
Support & Services
We are committed to providing full-cycle technical support and services to our customers:
Technical Consultation: Our engineering team can provide professional advice on material selection, heat treatment processes, and dimensional tolerances.
Rapid Prototyping: Offer rapid prototyping services to shorten your R&D and verification cycle.
Quality Assurance: Strictly implement the ISO 9001 quality management system, with full-process quality control. Provide material reports, hardness test reports, and dimensional inspection reports (FAI).
Stable Supply: Possess a complete supply chain and mature production management system to ensure on-time delivery.
