Pay attention to the cleaning method of metal shrapnel of precision stamping parts 'hardware'

The following precautions should be taken to clean the metal shrapnel of precision stamping parts: 1. The fat, oil, and lubricating oil pollution of the metal shrapnel of precision stamping parts should be wiped dry with a soft cloth or paper. In the future, use a neutral detergent or ammonia solution or a special scrubbing medicine to wash it. ; Use alcohol or organic solvents (ether, benzene) for fingerprints, wipe dry with a soft cloth and then wash with water; bleach and kind of acid adhere to immediately rinse with water, soak in ammonia or neutral carbonated soda aqueous solution, and then wash with neutral Wash with detergent or warm water. 2. The welding of the metal shrapnel of precision stamping parts discolors by heat, wash it with 10% nitric acid or hydrofluoric acid solution, and then neutralize it with ammonia water and carbonated soda light solution, and then wash the stainless steel spring with water-special washing medicine application; organic carbide adhesion Soak in a hot neutral detergent or ammonia solution and then scrub with a weak abrasive detergent. 3. Labels and films for precision stamping parts, wipe with warm water and weak detergent; for dust and easy-to-remove scales, wash with rice, weak detergent or warm water; binder component, use alcohol or organic solution; precision stamping parts Use nitric acid (10%) or abrasive scrubbing agent to clean the rust caused by the surface contaminants of hardware shrapnel-use special scrubbing chemicals to cause excessive rainbow patterns, use scrubbing agent or oil, use warm water scrubbing agent when scrubbing.