Hunan Dinghan New Material Technology Co., LTD
| Payment Terms | T/T |
| Supply Ability | Negotiable |
| Delivery Time | (Sample order) 7 days |
| Packaging Details | According to customers' requests |
| Material | Steel |
| Shape | Spiral |
| Teeth Profile | Gleason |
| Accuracy Grade | ISO 6-7 Grade |
| Heat Treatment | Carburization and quenching/Carbonitriding/High frequency/Quenched and tempered...... |
| Service | Customized |
| Brand Name | DINGSCO |
| Model Number | According to customers' requests |
| Certification | ISO 9001 |
| Place of Origin | Changsha, China |
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Product Specification
| Payment Terms | T/T | Supply Ability | Negotiable |
| Delivery Time | (Sample order) 7 days | Packaging Details | According to customers' requests |
| Material | Steel | Shape | Spiral |
| Teeth Profile | Gleason | Accuracy Grade | ISO 6-7 Grade |
| Heat Treatment | Carburization and quenching/Carbonitriding/High frequency/Quenched and tempered...... | Service | Customized |
| Brand Name | DINGSCO | Model Number | According to customers' requests |
| Certification | ISO 9001 | Place of Origin | Changsha, China |
What are the characteristics of Ordinary three-speed bicycle gear?
Ordinary three-speed bicycle gear refers to a device that achieves speed change through a planetary gear system built into the wheel hub. It offers three different speed options to suit different riding needs by changing the meshing relationship of the gears. This design makes the gear shifting components hidden inside the hub, making the appearance neat and relatively easy to maintain.
Advantages
1.The design is compact: the gear parts are sealed inside the hub and are not affected by the external environment (such as rain, dust), improving overall durability and reliability. It is relatively easy to maintain. Since the components are protected, it greatly reduces external wear and reduces maintenance frequency, so it has a long service life.
2.Ride comfort: For daily riding needs, the three-speed design is very suitable, which can provide labor-saving or efficient choices under different road conditions, and is the best choice for short-distance commuting. In addition, some three-speed gear systems can support automatic gear adjustment according to the riding speed, without manual operation, which also reduces the operating burden of riders.
3.Scope of application: For office workers, the three-speed range of commuting to and from get off work in a flat city is enough to meet different cycling needs; if you encounter double breaks or holidays, it is very convenient to ride a family or go to the park to rest and ride by yourself, and it is relatively comfortable; the automatic speed change is simpler and reduces complexity, and is also very suitable for elderly users or novices.
| Comfortable cycling ordinary three-speed bicycle gear | |
| Specification | |
| Material | 20CrMnTi/20CrMo/20CrNiMo/18CrNiMo/38CrMoAl/42CrMo/40Cr/45#...... |
| Shape | Spiral |
| Teeth Profile | Gleason |
| Heat Treatment | Carburization and quenching/Carbonitriding/High frequency/Quenched and tempered...... |
| Module (M) | ≤4 |
| Accuracy Grade | ISO 6-7 Grade |
| Service | Customized |
| Gear Teeth manufacturing | Cutting, hobbing, shaping, broaching. |
Why choose us?
1.Since 1994, we have excelled in the creation of internal bevel and custom gears, leveraging over 30 years of industry expertise to achieve precision that meets ISO 5-6 standards. Our unwavering commitment to quality ensures that every gear we produce is crafted with meticulous attention to detail, delivering reliable performance and exceptional durability. Trust us to meet your precise needs with our high-quality, custom-engineered solutions designed to exceed your expectations.
2.Our team features a distinguished member of the China Gear Standardization Technical Committee, who holds a doctoral degree, along with a graduate student specializing in bevel gear research.
3.Our factory is equipped with state-of-the-art CNC seven-axis, five-linkage spiral bevel gear grinding and milling machines, along with a comprehensive range of cutting-edge production and testing tools. This guarantees superior quality and efficiency in every product we produce.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1994
Total Annual:
70 million-100 million
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Our company was formerly known as Changsha Double Star Gear Industrial Co., Ltd, which was established in 1994. It is a directly affiliated university-run enterprise founded by Central South University Professor Zeng Tao, the leading expert on spiral bevel gears in China. It was later renamed as Cha... Our company was formerly known as Changsha Double Star Gear Industrial Co., Ltd, which was established in 1994. It is a directly affiliated university-run enterprise founded by Central South University Professor Zeng Tao, the leading expert on spiral bevel gears in China. It was later renamed as Cha...
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