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.