In the process of our stainless steel processing, lens face processing, sometimes the need of customers stainless steel mirror surface processing methods mainly have three kinds of management, respectively, mechanical polishing, chemical polishing and electrochemistry polishing, now, we are introduced respectively. 1, Mechanical polishing
Mechanical polishing is rely on very small polishing powder uns s32760 plate grinding, rolling effect, remove a very thin layer of gold on the surface of the specimen grinding to remove oxide, create a reflective surface, or prevent the corrosion of the pipeline, increase the degree of stainless steel cleaning and hygiene.
Mechanical polishing, good leveling, the intensity of labor is big, light pollution is serious, complex pieces of difficult processing, burnish drops, simple artifacts investment and the cost is higher, medium and small products, complex parts will not be able to process the entire product luster to reach consensus, gloss retention time is not long.
2, The chemical polishing
Chemical polishing is to rely on chemical reagent chemical etching effect of selective dissolution of sample surface uneven areas to eliminate grinding crack, a method of etching leveling, chemical polishing polishing effect is without power supply situation. Simple chemical polishing equipment, able to handle a tube, with a deep hole and complex shape parts, high production efficiency. Chemical polishing can be used as plating pretreatment uns s31803 sheet process, after polishing can also assist with the necessary protective measures used directly. Less investment, complex parts can throw, high efficiency, fast brightness is not enough, the polishing liquid heating, gas overflow, need complex ventilation equipment products, brightness demand is not high product can choose small batch processing and more economical.
3, Electrochemical polishing
Electrochemical polishing, bright luster, long-term, stable process, less pollution, low cost, good anti polluting one-time investment is large, complex thing to install equipment, auxiliary electrode, a large number of medium to cool high quality products, stable for long time keep the mirror bright product process, easy operation, can be used widely.
Electrochemical polishing stainless steel surface treatment of these three methods, is a promising technology, to the users of the stainless steel machining quality protection.
Adhesion cannot be based on the surface, spread out is an important factor to realize fingerprint resistant. And to make the adhesive material is difficult to based on the surface and spread out, that has implications for reducing contact surface tension. Surface tension is a manifestation of molecular force, it's born in contact with liquid and gas, generated by the contact between edge, the surface layer of liquid molecules in special circumstances decide.
Due to the effect of surface tension, liquid surface is always tends to shrink as much as possible (around the liquid pressure is consistent, and tend to be the same point), so the small droplets in the air is often a ball shape. Simply put, the effect of 347 stainless steel surface tension is to make the liquid surface shrinkage tendency, it is related to the nature of the liquid, has nothing to do with the size of liquid level. Surface tension can also be seen as the surface free energy, which can be similar as on the surface of the active state. , the greater the surface tension, that is, the larger the surface energy, surface can also think that the more lively, more easy to attach to other objects. General organic and polymer surface for the surface of low-energy, difficult to adhere to, oxide and other inorganic salts as high-energy surface, easy to adhere to.
To achieve fingerprint is by coating a layer of membrane resistance to reduce the surface tension of the surface, make the fingerprint and sweat hard to adhere to the surface. Must carry on the processing of stainless steel surface before painting, such as oil removal, use weak alkaline detergent or solvent to remove stains such as base material surface oil content, moisture, best phosphating to improve adhesion, under proper temperature curing after spray paint can fingerprint resistant paint (different manufacturers will differ).