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Reasons for precision casting sand and preventive measures
Source: | Author:hkw84f5c9 | Published time: 2018-10-19 | 976 Views | Share:
Why do precision castings produce pores? How to prevent it? Porosity is one of the common precision casting defects. As a manufacturer, how can you solve this problem or prevent it from happening?The reason for the occurrence of pores in precision casting.



          Why do precision castings produce pores? How to prevent it? Porosity is one of the common precision casting defects. As a manufacturer, how can you solve this problem or prevent it from happening?
The reason for the occurrence of pores in precision casting.
          1. In most cases, the pores appear mainly because the precision casting shell is not fully baked. When the molten steel is poured, the shell sometimes generates a large amount of gas which cannot be smoothly discharged, and then invades the molten metal to form pores;