Domestic and foreign companies have used a variety of cleaning methods in core box cleaning: a. Use chemical cleaning agents to clean. b. Use dry ball jet method to clean the core plate. c. Use liquid or solid sandblasting machine for sandblasting and cleaning. Use a liquid sandblasting machine, precision casting，the compressed air pressure is 0.5 ~ 0.7MPa, and the spraying distance is about 10 ~ 120mm. The cleaning medium chooses 90um glass pellets or ...
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