Cast iron gear housing has some advantages, such as high strength, low production cost, small expansion coefficient and mature casting technology.
1. Weight
Cast aluminum gear housing is lighter than cast iron gear housing.
2. Volume
Under the same strength, the volume of cast aluminum gear housing will be larger than that of cast iron gear housing.
3. Cost
The cost of cast aluminum gear housing is much higher than that of cast iron.
4. Heat Dissipation
Cast aluminum gear housing has better heat dissipation
5. Corrosion Resistance and Strength
Cast iron gear housing is not as good as cast aluminum gear housing in terms of corrosion resistance, but cast iron gear housing has higher strength.
6. Expansion Coefficient
The linear expansion coefficient of cast aluminum gear housing is larger than cast iron gear housing.
7. Noise
Aluminum has sound absorption performance.
8. Casting Performance
The casting process of cast iron is relatively mature. Gray iron has good vibration damping and deformation resistance, while ductile iron has good wear resistance, plasticity and toughness.
9. Aesthetics
The uniform and flat surface of cast aluminum has great advantages over cast iron. However, the surface hardness of cast aluminum is not as good as that of cast iron.
10. Machining Performance
Cast aluminum gear housings are relatively easier to machine than cast iron gear housing, but they are easy to deform. Cast iron gear housings are better to be machined and formed.
In summary, the advantages of cast aluminum gear housings are mainly reflected in light weight, good heat dissipation, good casting performance, beautiful shell surface, good corrosion resistance, and noise reduction. The disadvantages are mainly reflected in the relatively high cost, large linear expansion coefficient, the need to add wire screw sleeves to the threaded holes, and low mechanical strength.
The main advantages of cast iron gear housings are high strength, low cost, mature casting technology, easy quality control, and high mechanical strength.
Cast iron gear housing
Cast aluminum gear housing |
