Surface treatment method of stainless steel spring
The first step is to degrease and deoxidize the stainless steel spring. There are generally three methods.
①. Immerse the stainless steel spring in a plastic container containing metal cleaner A diluted with clean water (the ratio of cleaner A and clean water is about 1:1 or 1:2), and the time is to restore the spring surface without oil and oxide scale The natural color of the metal is appropriate, and the soaking time should not be too long, take it out and wash it with water. In this way, the surface of the stainless steel spring will have a matte effect.
②. The cleaning agent A is placed in a vibrating polisher with coarse abrasives and springs or in a hexagonal drum (the volume ratio of spring to coarse abrasives is best 1:3, and the amount of cleaning agent is 1%-2% of the spring weight ) After grinding and polishing, wash it with clean water, the scratches on the surface of the spring are gone, and the surface finish of the spring is improved. However, this method is not suitable for springs with high precision and easy winding.
③. The ratio of cleaning agent to clean water in ultrasonic equipment is about 1:30. The time is appropriate for the spring surface to be free of oil and oxide scale to restore the metal color. Take it out and wash it with clean water, so that the surface of the stainless steel spring can reach matt effect.
The second step is to polish the stainless steel spring
Put brightener B into a vibrating polisher or hexagonal drum with coarse abrasives (the volume ratio of spring to fine abrasive is 1:3, and the amount of brightener B is about 1%-2% of the spring weight. (Longer and brighter) After polishing, take it out and wash it with water and dry it, so that the surface of the stainless steel spring is as bright as nickel-plated, and will never fade, ensuring quality.