What kind of mechanical equipment forgings are hollow axle front axle forgings suitable for?

What kind of mechanical equipment forgings are hollow axle front axle forgings suitable for?

Hollow axle front axle forgings are widely used in a variety of mechanical equipment due to their unique lightweight, high strength, high rigidity and good torsion resistance. The following are its main application areas and specific equipment examples:

1. Automotive industry

- Application scenarios:

- Steering system: Hollow front axle forgings are used for steering knuckles, steering tie rods, etc. to reduce weight and improve response speed.

- Transmission system: As a drive axle or transmission shaft, it reduces rotational inertia and improves fuel efficiency.

- New energy vehicles: The demand for lightweight is more prominent, and hollow shafts help extend battery life.

- Typical components: front axle components, wheel hub shafts, universal joint shaft heads.

2. Construction machinery

- Heavy equipment:

- The slewing bearing shaft or boom articulated shaft of excavators and loaders bears high torque and needs to reduce the weight of the whole machine.

- The hoisting shaft or boom support shaft of the crane requires high bending strength.

- Advantages: Hollow design saves more materials than solid shafts at the same strength, reducing equipment energy consumption.

3. Rail transit

- Application parts:

- Axles (especially non-load-bearing auxiliary shafts) or bogie connecting shafts of high-speed rail and subway.

- Drive shafts of light rail vehicles, reducing track wear by reducing weight.

- Features: Need to pass strict fatigue tests to ensure the safety of long-term high-speed operation.

4. Aerospace

- Key uses:

- The support shafts of aircraft landing gear and helicopter rotor drive shafts use hollow structures to achieve extreme lightweight.

- The fuel delivery shafts of spacecraft propulsion systems need to take into account both high pressure resistance and weight reduction.

- Material requirements: Titanium alloys or high-strength aluminum alloy forgings are often used.

5. Energy equipment

- Wind power field:

- The main shaft of a wind turbine (hollow forgings are used in some designs) reduces the weight of the tower top and improves wind energy conversion efficiency.

- Hydropower field:

- Turbine guide vane shaft or connecting shaft, which needs to resist water flow impact and corrosion.

6. Industrial transmission equipment

- General machinery:

- The output shaft of large gearboxes and the roller shaft of rolling mills reduce the inertia moment through hollow design.

- The rotor shaft of pumps/compressors is suitable for high-speed rotation scenarios.

7. Military and special equipment

- High precision requirements:

- The road wheel shaft of tanks/armored vehicles and the propulsion shaft of ships require impact resistance and corrosion resistance.

- The rotating base shaft of radar needs to be lightweight to increase the rotation speed.