How to judge the surface coating quality of non-standard engineering lamps in customized hotels?

by:EME LIGHTING     2020-02-03
In daily work, some related customers often ask us such questions: After we customize hotel non-standard engineering lamps, because they are non-standard customized, the country does not have a relevant judgment standard to test the quality and bad of customized hotel non-standard engineering lamps. However, in the actual work, we often hear that some customized hotel non-standard engineering lamps manufacturers have problems of one kind or another due to the factory products, and finally the light ones lead to premature aging of customized hotel non-standard engineering lamps, if it is heavy, it will cause personnel casualties caused by falling of lamps or accessories. Based on years of experience in the production and manufacture of customized hotel non-standard engineering lamps, starting from today, relevant judgment standards are put forward for the quality inspection of customized hotel non-standard engineering lamps in terms of hardware, surface treatment, installation methods, light transmission accessories, etc, in order to provide a practical inspection tool for people in the industry. First, custom hotel non-standard engineering lighting paint process inspection and testing. The baking process is a process in which outdoor courtyard lamps, lawn lamps and outdoor wall lamps are widely used among customized hotel non-standard engineering lamps. Because outdoor lamps are exposed to solar ultraviolet rays and acid and alkali erosion in the air. Only the baking process can make the outdoor lamp have strong vitality. Conventional requirements customized hotel non-standard engineering lamps must undergo degreasing, derusting and phosphating before baking varnish. If the barbecue is directly painted without treatment, the adhesion of the surface coating of the non-standard engineering lamps of the customized hotel will be greatly reduced. We can test the adhesion of the coating by a simple method. This method is the detection method of Tian Zige: first, we use the art blade or Scriber to draw 1mm × on the paint coating of customized hotel non-standard engineering lamp accessories 1mm horizontal and vertical interlaced grids form about one hundred small squares. Note that the cut of the scriber should go to the bottom layer of the paint. Use a brush to brush five or six times in the diagonal direction, brush the small pieces left during the scribing, and then use a adhesion of 350- 400g/square meter of adhesive tape is pasted on the incision, and then suddenly it is pushed up and pulled open. If the grid edge does not peel off, the cut edge is completely smooth. This is a high level of adhesion. We call it 0 = ASTM grade or 5B grade; If there is a small piece of paint peeling at the intersection of the cut, the actual damage in the scribing area is less than or equal to 5%. It is 1 = ASTM grade or 4B grade; If the area of the edge of the cut and intersection is more than 5%- 15%, it is 2 = ASTM grade or 3B grade. So far, it is basically regarded as the qualified grade of customized hotel non-standard engineering lamps. If it meets this requirement, it will be regarded as unqualified. In addition, we should also pay attention to the need to protect the silk teeth from spraying paint when painting the accessories of customized hotel non-standard engineering lamps, otherwise, when the light is installed, the teeth will not be screwed up. At the same time, the surface of the non-standard engineering lamps and lanterns of the customized hotel is not allowed to have the phenomenon of flowing oil, too thick paint, too thin, uneven thickness, rust, scratch, bruise, foaming, stains, etc. In addition, we should also pay attention to check the color difference of the paint color of the accessories. The accessories on the same lamp are not allowed to have too much color difference. II. Inspection and test of electroplating process for customized hotel non-standard engineering lamps: Electroplating process is the surface treatment process adopted by the vast majority of indoor lamps, because of its high technical threshold and high environmental protection requirements, it is often done in professional electroplating factories. The test criteria are as follows: first, the adhesion of the electroplated layer is tested by testing the adhesive edges of the baking varnish, which is repeated here. The second is to detect the appearance of electroplating accessories for non-standard engineering lamps in customized hotels. Observe whether the polishing residue is very clean; Sand drawing parts are not allowed to have leakage or penetration phenomenon, and the thickness of sand drawing lines should be consistent, the density should be uniform, and the pattern law should not be chaotic; Those with silk teeth on the accessories should be protected to avoid potential safety hazards caused by rotten teeth; Surface sealing oil is not allowed to have defects such as oil flow, stains, blistering, rust stains, etc. In addition, the acceptable degree of black spots, orange peel, oil particles and dust on the surface of customized hotel non-standard engineering lamp accessories must be less than Φ2mm can accept 2 tablets per square decimeter. The last is to do salt spray test, completely immerse the accessories of the customized hotel non-standard engineering lamps into 5% salt water for 24 hours, and observe that the surface does not fall off, acid, spots and other phenomena are considered qualified.
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