Introduction of surface treatment technology of gas spring

Recently, many netizens have left messages to us and asked such a question: How to deal with the surface of the gas spring? Today, our company gave an answer to this question. The following is the answer that our company has compiled:
  The surface of the gas spring uses a variety of paint layers for identification, such as light and small loads with yellow paint; light loads with blue paint; medium loads with red paint; extremely heavy loads with brown paint;
  Colorful paint finish
  The current mold is the main process equipment produced by the industry.
   Performance analysis: A good paint layer to match the surface treatment of the gas spring can be described as killing two birds with one stone. The color is used to identify various technical parameters, which facilitates the industrial production and operation, and the anti-corrosion function of the negative gas spring surface can be better guaranteed.
a. Alkyd paint The alkyd paint film is tough, strong adhesion, good mechanical performance, excellent gloss, good durability and certain oil resistance and insulation performance. For the gas spring that matches the mold, this detail But it is also the hub of quality achievement. Water-soluble epoxy paint is used for electrophoretic coating. The operating environment has no strong solvent smell, less air pollution, and the waste water treatment and discharge process is simple. Just adjust the resin of the PH sedimentation electrophoretic paint and discharge the purified water. .
Under normal circumstances, the paint layer can be used alone or as a colorant after phosphating. At home, this is only a small number of manufacturers. At present, it is mainly due to some fixed technical requirements, such as the use of imported materials to achieve foreign Outside the level, there is a significant gap in the surface treatment effect of the entire gas spring.
At present, the main manufacturers that successfully use the above methods are mostly abroad, especially in Japan. The type and brand of paint used in detail should be determined according to the working environment. The quality of the surface treatment process directly affects the use of the entire mold. If necessary, it should be indicated in the gas spring drawing. The disadvantage is that the surface is chalked quickly and the solvent is selective. The phenolic topcoat has a hard film and good gloss, but it has poor weather resistance and the paint film is easy to turn yellow. In the past few years, the progress of automation has led to the rapid development of foreign molds.
b. Epoxy paintEpoxy paint has strong adhesion, high hardness, good toughness, flex resistance, impact resistance, hard but not brittle, and has excellent resistance to water, acid, alkali and many organic solvents. Especially the alkali resistance is more convex.
Manual painting is generally used in the country, and the appearance will be sag, leaking, poorly integrated, and poor in anti-rust ability. Sometimes, some gas springs are also painted with different colors of paint in order to classify the load according to the load. The appearance is clean and bright. , No particles, no bottoming phenomenon, good cohesion and not easy to fall off, good hardness of 3-4H, if the British LVH company polyurethane cathodic electrophoretic paint is used, its softness is commensurate, but the adhesion, mechanical strength, and decoration are poor.
  C. Asphalt paintAsphalt paint has good water resistance, moisture resistance, and corrosion resistance, especially excellent acid resistance and good alkali resistance.
d. Phenolic paint Phenolic paint is divided into two types: primer and top coat. Phenolic primer has strong adhesion and good anti-rust performance, but the mechanical strength and gloss of the paint film are poor. The limitations of its own process cause a large number of products to be stripped and reworked The disadvantage is that the surface dries quickly and sticks for a long time, is easy to wrinkle, is not resistant to water, and is not resistant to alkali.
  The paint used for the gas spring paint layer
Electrophoretic paint is used abroad. In a water-soluble paint tank, the workpiece is used as a cathode, and a certain voltage and time are applied to form a paint layer of average thickness on all surfaces of the gas spring, which can then be cleaned and dried. The development of industrial products and the advancement of technical levels largely depend on the development level of the mold industry.