What are the General technology requirements for castings?
Mar 17,2023
Regardless of the material of the casting, there are several major requirements:
1、 Material requirements. Mainly including hardness, tensile strength, elongation, and impact toughness.
2、 Dimensional and positional accuracy. Different castings have different requirements, using different dimensional and geometric tolerance standards and different tolerance levels.
3、 According to usage requirements, acceptance requirements shall be specified for other defects in castings. Such as pores, sand holes, shrinkage holes, shrinkage porosity, slag inclusion, sand inclusion, cracks
4、 Requirements for defect repair.
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