Classification of wheel hub forgings
The classification of wheel group forgings can be carried out from multiple perspectives. Here are some main classification methods:
1. By material
The commonly used materials for wheel group forgings include, but are not limited to, the following types:
60#: It has good comprehensive mechanical properties and wear resistance, and is one of the common materials for wheel forgings.
65Mn: It has high hardness and wear resistance, and is suitable for wheel forgings that require high hardness and wear resistance.
42CrMo: It has high strength and toughness, and is suitable for wheel forgings under heavy load and harsh working conditions.
45#, 40Cr: These materials are also often used in the manufacturing of wheel forgings, each having its own unique mechanical properties.
2. By wheel nature
Single flange: The edge of the wheel has a single structure, suitable for specific working environments and requirements.
Double flange: The edge of the wheel has a double structure, usually used in situations requiring higher stability and load-bearing capacity.
No flange: The edge of the wheel has no special structure, suitable for some special working environments and requirements.
3. By driving method
Drive wheel: The wheel is driven directly by the power source, responsible for providing forward power.
Passive wheel: Not directly driven by the power source, usually rotates with the drive wheel.
Drive wheel and driven wheel: These terms are similar to drive wheel and passive wheel, but may vary depending on the specific application.
4. By processing temperature
During the processing of wheel group forgings, depending on the temperature of the billet during processing, they can be classified into cold forging, warm forging, and hot forging. Cold forging is generally processed at room temperature, while hot forging is processed at a temperature higher than the recrystallization temperature of the metal billet. Different processing temperatures will affect the mechanical properties and surface quality of the forgings.
5. By structure
The complexity of the structure of wheel group forgings varies. Depending on the different geometric shapes and structures, they can be classified into different categories. For example, some wheel forgings may have complex curved surfaces and branched structures, requiring special forging processes and mold designs.
In summary, the classification methods of wheel group forgings are diverse, and the specific classification depends on multiple factors such as material, wheel nature, driving method, processing temperature, and structure. In practical applications, it is necessary to select the appropriate wheel group forgings based on the specific working environment and requirements.