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First trial production of cylinder head casting

1. Primary raw materials Q12 pig iron, industrial scrap, vermicularizing agent (wre = 9% – 11%, WMG = 4% – 6%), calcium silicate inoculant. The particle size of vermicularizing agent is 5-25 mm, and that of calcium silicate and inoculant is 3-8 mm. The casting process of the cylinder...

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Machining performance of engine cylinder block and cylinder head

The poor machinability is a common problem of Engine Castings in China, and it is also the biggest gap between domestic castings and foreign castings. Even though the chemical composition, matrix microstructure and hardness of domestic castings and imported KD castings are similar, the machinability of domestic castings is...

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