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Why are there pores in the centrifugal casting of the copper sleeve
(1) Refining and degassing of copper liquid. It depends on the material. Oxidation is mostly used to remove hydrogen from liquid copper, and phosphorus copper deoxidation is used to remove oxygen. For example: 5-5-5 copper alloy is deoxidized with phosphor copper after the copper is melted under the protection of reducing gas.
(2) Whether the centrifugal equipment is dry and rust-free. Moisture and rust will promote the chemical reaction of copper liquid and cause porosity in the casting.
(3) Whether the equipment is operating normally. Such as the size of the speed.


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