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Test and result of cast iron sample for engine block

The results show that the size of the cylinder block is qualified and there is no obvious defect on the surface. The wall thickness of the cylinder bore is uniform, and the wall thickness difference is less than 1.0 mm. The metallographic structure and mechanical properties of the important...

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Riser design of feeding process for cylinder block iron castings

In the production practice, the shrinkage modulus method is mainly used to design the process riser to complete the feeding of cylinder block iron castings. The shrinkage modulus method follows the equilibrium solidification theory and considers that the shrinkage process of iron castings is a part of the solidification...

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Technical requirements for casting engine block

As a key part of engine, cylinder block casting is one of the difficulties in engine production. The design level of gating and riser technology is an important condition to determine the quality and performance of engine production. The engine performance requirements are strict and there are many specifications....

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Test of ferroboron for tractor box and cylinder block casting

1 Reagent Anhydrous sodium carbonate solid (analytical pure), sodium peroxide solid (analytical pure), nitric acid (analytical pure), sulfuric acid (analytical pure), hydrofluoric acid (analytical pure), high-purity argon (AR > 99.99%) and secondary deionized water for water. Boron standard solution, concentration 1 mg / ml. 2 Instruments Prodigy ICP inductively...

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