General, high temperature resistant is spring majority with 304, 301 stainless steel materials, stainless steel although have very strong anticorrosive properties, but in terms of characteristics of metal, and our technical support, of high temperature resistant spring rust surface treatment, surface treatment, of course, there is a dimension that is to say we not only is to protect a beautiful sex to improve the actual effects.
Either on the one hand, our high temperature resistant spring surface treatment technology is not able to ignore a project.
1, high temperature resistant spring operating environment without strong solvent smell, less about air pollution, waste water discharge process is simple, only need to regulate PH settlement electrophoresis paint resin, and then discharge water.
Let's for a domestic manufacturer design process: forming the spring - shot peening - - -> alkaline degreasing on hanging fixture - double water -> (
Micro acid 1%)
Phosphate - double washing to double to ion washing - polyurethane colorful electrophoresis paint - back - double cathode system water to help wash, baking and curing hanging fixture.
2, results: shot peening particles will clip in high-temperature springs at both ends of the aperture, shot peening cause rough appearance, lacquer layer will thicken, accordingly have bright smooth appearance, there are 10 -
20 microns thick, so the thickness decreases, the spring can shorten phosphating cause hydrogen embrittlement, the service life of cutting
stainless steel spring.
3, improve the process: forming the spring - alkali liquor finishing oil removal - centrifugal cast - in - water alkaline degreasing - double water - (
Micro acid and 1%)
Phosphate - double washing to double to ion washing - polyurethane colorful electrophoresis paint - back - double cathode system water to help wash, baking and curing hanging fixture.
4, finishing (
The whole)
Process is high temperature resistant spring directly into the skew centrifugal may spiral vibrating, eddy current type, etc. Series of finishing machine, and add appropriate water and abrasive, abrasive, conducting finishing process, after finishing the appearance than the shot peening look more bright and clean.
And cut the traditional process such as degreasing, cleaning, acid pickling, phosphating, such as hydrogen, simplify production process, spring in the produce process of corrosion time, without pickling.
In appearance the thickness of the paint can be controlled at about 10 microns.
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