Hydraulic Machine Oil Filter 6I2503 6I2504 Heavy Duty Truck Lube Oil

Comparison of cast and forged bucket teeth

I. Differences in Bucket Teeth
Cast bucket teeth (such as high manganese steel) :
It is poured into the mold and cooled to form. The process flow is simple and the cost is low, but it is prone to porosity/shrinkage porosity defects (with a scrap rate exceeding 15%).
Forged bucket teeth
After heating the metal scrap to 800-1200°C, it is processed through forging equipment (5000-ton hydraulic press).
Eliminate the casting porosity defect of metals, refine the grain size to 1/10 of the casting, and increase the microstructure density by 30%
Ii. Direction of Process Optimization
Casting defect control: By using PrOCAST simulation to optimize the gating system, the shrinkage porosity defect rate was reduced from 18% to 2%
Forging material upgrade :30CrMnSi steel is quenched by the residual heat of forging, and the impact energy is increased by 25%(the final forging temperature needs to be controlled to prevent grain coarsening)
Application of mixed process: By optimizing the ingredients (such as adding chromium-molybdenum alloy), the wear resistance of precision cast bucket teeth can approach that of forged ones
Iii. Suggestions for Purchasing Decisions
1. Heavy hard rock working conditions (such as iron ore mining):
Must-have forged bucket teeth to avoid the risk of breakage (capable of withstanding an impact force of 2175kN)
2. Loose material operations (such as earthwork):
Select precision cast bucket teeth to balance efficiency and economy
3. Cost-sensitive projects
For short-term operations, choose casting; for long-term continuous operations, choose forging (with a 40% lower full-cycle cost)
In short: Forged bucket teeth dominate the heavy-duty field with their high strength and long service life, while cast bucket teeth cover medium and light load scenarios with their cost advantage. Precision casting technology is narrowing the performance gap between the two.

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