Industry News

  • The copper terminal is a piece of metal sealed inside the insulating plastic. One end or both ends have holes for inserting the wires, and some are used for fastening or loosening by screws, such as two wires, sometimes need to be connected, and sometimes need to be disconnected. At this point, you can connect them with the terminals and disconnect them at any time without having to solder them or entangle them, which is convenient and quick.


  • What is the reason why the aluminum profile is light and black when it is black at normal temperature? How to deal with it? - Ningbo Paiyan Precision Machinery Co., Ltd ​The reason: 1 black time short profile oxidation, residue on the parts; 2 solution acidity is low; 3 The composition of the solution is out of proportion.


  • One thing we need to figure out is that painting is very important. Drawings are at the heart of the entire process. If the drawing does not indicate the corresponding shape and position tolerances, the product produced may not be used for the purpose of use. At the same time, the drawings also point the way for precision processing companies. According to the drawings, the corresponding process flow can be formulated, the processing time can be arranged reasonably, and the production efficiency can be improved.


  • What is the cause of loose film when the aluminum profile is black at room temperature? How to deal with it? The reason: 1 If the degreasing and cleaning are not thorough, the black film formed after blackening will fall off if it is wiped gently; 2 activation is not good; 3 blackening time is too long; 4 dilution ratio is small, the solution content is high, and the nitrite content is high;


  • What is the reason for the surface of the aluminum profile at normal temperature blackening? How to deal with it? The reason: 1 grease, rust and scale are not removed; 2 After the blackening, the residual liquid is not washed; 3 parts are shaking too fast; 4 parts overlap or fail to flip.


  • Operating a green business is more important than ever. We have previously mentioned that consumers are placing more emphasis on the importance of sustainability and are rewarding businesses that share their values. In December, Entrepreneur published an article titled: It’s Official: Customers Prefer Sustainable Companies.