7-speed Bicycle Gear Standardized Transmission Spiral Gear for Balance Riding
What are the characteristics of seven-speed bicycle gears?
Gear Ratios: The gear ratios determine the difference in the size of the chainrings (attached to the pedals) and the rear cassette (attached to the rear wheel). The gear ratios of a seven-speed bicycle are usually designed to provide a balanced spread of gears, allowing riders to find a suitable gear for different riding situations.
Compatibility: Seven-speed gears are compatible with specific drivetrain components. This includes the rear derailleur, which must be designed to work with a seven-speed cassette, and the chain, which should be appropriately sized for the number of gears.
Why choose us?
1.Internationally, power transmission gear devices are developing in the direction of miniaturization, high speed, and standardization. We are experts dedicated to high-quality small module gears. Our factory was founded in 1994 and has 30 years of industry experience.
2.Our company currently has one doctorate (member of the China Gear Standardization Technical Committee) and one graduate student engaged in bevel gear research. We have a complete set of software for digital closed-loop manufacturing of spiral bevel gears, specializing in gear R&D, design, strength verification and high-precision gear manufacturing.
3.Our company has a complete set of advanced production equipment and testing equipment such as multiple CNC 7-axis 5-linkage spiral bevel gear grinding and gear milling machines. It has successively developed high-quality products for users such as high reduction ratio, high speed, heavy load, low noise, and low number of teeth, which can meet the high-quality gear needs of industries such as reducers, industrial robots, industrial sewing machines, and model aircraft.
| 7-speed Bicycle Gear Standardized Transmission Spiral Gear for Balance Riding |
| Specification |
| Material | 20CrMnTi,42CrMo, 45# etc |
| Shape | Spiral |
| Hardness | Hardened |
| Surface | Bright |
| Pressure Angle | 20°, also can be customized |
| Accuracy Grade | ISO 6-7 Grade |
| Module (M) | ≤4 |
| Heat Treatment | Carburizing, quenching, carbonitriding, high-frequency, quenching, tempering etc. |
| Processing | Cutting, hobbing, shaping, broaching. |
| Application | Bicycles |
Advanced manufacturing equipment
DH has multiple CNC 7-axis 5-linkage spiral bevel gear grinding machines and gear milling machines that can process high-reduction ratio hypoid and transverse cured tooth coupling.
Advanced testing equipment
Utilize a high-precision gear measurement center to complete gear pitch accuracy detection, tooth profile error detection and inverse correction of tooth profile errors.
Professional software
Our factory has a complete set of software to realize digital closed-loop manufacturing of spiral bevel gears, Functions such as gear design, strength calculation, contact analysis, tool calculation, tooth profile error reversal, etc. can be realized. Machining methods include five tools machining(fixed setting) & G-plete of tapper , spiral format tilt(SFT) method & hypoid format tilt (HFT) method of Cycloid equidep, etc.
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7-Speed Standardized Transmission Spiral Gear For Balance Riding Images
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