Patent ID: 11952550
Assignee: XIAMEN JJD MACHINERY CO., LTD
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 5:
6. A method of spraying a lubricant for a copper alloy die-casting die, used for spraying the lubricant for the copper alloy die-casting die according to claim 1 onto the die by air pressure spraying, specifically comprising the following steps:
S1, taking an air pressure spraying machine, adjusting the finished lubricant to a spraying concentration by adding a preset amount of solvent to the finished lubricant, and adjusting the pressure of the pressure tank to be greater than or equal to 0.5 MPa;
S2, adding the lubricant of the target concentration into the air pressure spraying machine, and adjusting the position of the nozzle to implement the spraying at an inclined angle of 20-40° relative to the spraying surface and at the spraying amount of 0.0001 ml/cm2-0.6 ml/cm2;
wherein the solvent used is ethanol or ethyl acetate.