Harmonic Drive Gears
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This page explains how Wave Generator is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
The elliptical component that creates the flexible deformation in the flexspline of a harmonic drive gear system.
Technical details and manufacturing context for Wave Generator
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Rated Torque | 10–500 N·m | Depends on size and reduction ratio |
| Reduction Ratio | 30–160 | Standard range for harmonic drives |
| Input Speed | 0–6000 rpm | Max continuous speed |
| Radial Runout | ≤0.01 mm | Critical for positioning accuracyISO 1101 |
| Axial Runout | ≤0.01 mm | Affects axial positioningISO 1101 |
| Operating Temperature | -20–80 °C | Lubricant limits at high end |
| Hardness | 58–62 HRC | Case-hardened bearing steelISO 6508 |
| Material | GCr15 | High-carbon chromium bearing steelGB/T 18254 |
| Weight | 0.2–15 kg | Depends on size |
| Lubrication | Grease-filled | Sealed for life |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is essential for the following industrial systems and equipment:
| pressure: | Not applicable (mechanical component) |
| other spec: | Max torque: 50-5000 Nm (depending on size), Max speed: 6000 rpm, Backlash: <1 arcmin |
| temperature: | -40°C to 120°C (operating), -55°C to 150°C (storage) |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
Manufacturer profiles associated with Wave Generator.
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The wave generator is the input component that rotates inside the flexspline, deforming it into an elliptical shape. This deformation causes the flexspline's teeth to engage with the circular spline at two points, creating a wave motion that produces high-ratio speed reduction with low backlash.
Wave generators are typically made from bearing steel or alloy steel. The material may be specified as GCr15 high-carbon chromium bearing steel, with a hardness of 58-62 HRC, according to ISO 6508. Always verify the exact material grade with the manufacturer.
Key parameters include rated torque (10-500 N·m), reduction ratio (30-160), input speed (0-6000 rpm), radial and axial runout (≤0.01 mm per ISO 1101), operating temperature (-20 to 80 °C), hardness, material, weight, and lubrication. These are reference ranges; confirm for your specific application.
Wave generators are sealed for life with grease lubrication, so they require no routine re-lubrication. However, regular inspection for wear, proper alignment, and ensuring the operating temperature stays within limits is recommended. If abnormal noise or vibration occurs, consult the manufacturer.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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