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Failure analysis of diesel engine transmission shaft crack

The results are as follows (1) Through spectral analysis, the chemical composition of the sample is more than the requirements of GB / t5216-2014. In sample 1, the chemical composition was analyzed by three times direct reading spectrum. The content of C element (mass fraction,%) was 1.5, 0.5 and...

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Failure analysis of a diesel engine transmission shaft crack

42crmoh steel belongs to medium carbon alloy structural steel, which has high strength and toughness, good hardenability, no obvious temper brittleness, high fatigue limit and multiple impact resistance after quenching and tempering treatment, and good low temperature impact toughness. Therefore, 42crmoh steel is designed for diesel engine transmission shaft....

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Casting of 5 MW Wind Power Input Hollow Shaft Casting

The author develops and produces 5 MW wind turbine castings for a domestic customer, of which the input hollow shaft of JF050.04.27 is the key part of the unit. The chemical composition and mechanical properties of the castings are required to comply with DIN EN 1563 standard, the ultrasonic...

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Quality prediction of crankshaft casting

Through the numerical simulation software, the temperature field of the casting solidification process can be determined, and the isotherm and isochrone distribution of the casting on the solidification section can be obtained. In addition, the parameters of solidification time t, solidification speed r, temperature gradient grad T and feeding...

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Classification and materials of crankshaft castings

As the core part of internal combustion engine, crankshaft plays an important role. Due to the different number and size of crankshaft cranks, and many kinds of cranks, it is applied to all kinds of gasoline and diesel engines. The crankshaft is mostly forged parts and casting parts. The...

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