Principle of Harmonic Drive Gear Operation
Harmonic gear drive is a new type of transmission mechanism that relies on elastic deformation to operate. It breaks through the traditional mode of mechanical transmission, which uses rigid components, and instead employs a flexible component for mechanical transmission, thereby achieving a series of special functions that are difficult to attain with other types of transmission.
Advantages:
1. High transmission ratio (single-stage harmonic drive transmission ratio ranges from 50 to 300, dual-stage transmission ratio from 3,000 to 60,000, and multi-stage transmission ratio from 100 to 140,000).
2. High return accuracy (due to a large number of meshing teeth and low sliding speed of the tooth surface, resulting in high load-bearing capacity, smooth transmission, high precision, and low noise).
3. Low backlash (tooth side clearance can be adjusted, achieving zero side clearance transmission)
4. Simple structure; compared to traditional ordinary reducers, its parts are reduced by about 50%, and both volume and weight are reduced by over 1/3.
5. High transmission efficiency (not affected by large gear ratios); smaller rotational inertia can be achieved when using electromagnetic or disc wave generators.
6. Transmits motion and power to sealed spaces, utilizing a sealed flexible belt harmonic drive reduction unit, capable of driving mechanisms operating in high vacuum, corrosive, and other harmful environments.
Technical Documents
Product Selection
Application Scenario
Installation Matters
During installation, emphasis should be placed on aligning the transmission center. When connecting the output and input shafts to the power source and auxiliary machinery, the shafts must be aligned precisely, with no eccentricity. Otherwise, it will significantly reduce the lifespan of the gearbox.
2. During installation, hammering is not permitted. Typically, use tooling fixtures or press into place using the screw holes, left and right. Improper installation may result in an uneven sound and could lead to premature damage to internal parts.
3. Recheck and confirm the screws before starting, ensuring all fasteners are securely installed.
4. During operation, the equipment should initially rotate smoothly at low speed without vibration, noise, or oil leakage, which indicates normal operation.
Safety matters
Do not check the tightness of screws while in operation to avoid injury to personnel.
2. Do not touch with your hands while in operation to prevent cutting your palm.
3. During shutdown inspections, repairs and inspections should be conducted only after the machine has come to a complete stop.
4. After prolonged operation, to avoid burns from excessive heat, wait approximately 10 minutes before touching the equipment after shutdown.
Product Warranty
Warranty terms and coverage are as follows:
● Warranty Period
Subject to normal assembly and lubrication conditions as recorded in the product catalog, the warranty period is one year from the date of delivery (excluding damage caused by human factors).
● Warranty Coverage
During the above warranty period, we will be responsible for repairing or replacing the product due to manufacturing defects. However, the following situations are not covered under the warranty.
Due to improper customer operation or misuse leading to malfunctions.
② Faults caused by modifications or repairs not performed by our company.
③ Faults not caused by this product.
④ Faults caused by natural disasters or other non-company liabilities.
And, the warranty referred to here is for the product itself.
Losses caused by the failure of this product, labor and costs related to disassembly and assembly on the equipment, are not within the responsibility of our company.
