Injection molding is a widely used manufacturing process that involves injecting molten material into a mold to create various parts and products. While injection molding provides excellent precision and efficiency, the final parts often require additional finishing touches to enhance their appearance...
Distinguishing plastic products by burning and smells Items Burning conditions Burning flame Being away from the fire Smells PP It is easy to melt and drip. Yellow on top and blue on bottom Less smoke and keep burning Having a smell of petroleum PE It...
Plastics mainly have the following characteristics: Most plastics are light, chemically stable, and will not rust. Plastics have good impact resistance. Plastics have good transparency and wear resistance. Plastics have good insulation and low thermal conductivity. Plastics have good general formability,...
Under the background of global warming, the low-carbon economy mode based on low energy consumption and low pollution has attracted the attention of all countries in the world, and low-carbon development has also become an inevitable trend of current social development. With the convening of the Copenhagen...
1. Assembly At present, the industrial assembly for plastic workpieces is mechanical methods, adhesive methods and friction heat methods. Mechanical methods include snap fits, screws, rivets, and pressure welding. The mechanical method is used to detach workpieces such as car light sets and...
Background The development of plastics abroad has a history of hundreds of years. From the initial ordinary plastics to the later engineering plastics and now to the special plastics that can completely replace some metals, plastics seem to have the development trend of replacing metals. Facing the...
7. Foam molding is the process of adding appropriate foaming agents to foam materials such as PVC, PE and PS to make the plastic have microporous structure. Almost all thermosetting and thermoplastic plastics can be made into foam plastics, and foam molding has become an important field...
Plastic processing is also called plastic molding. It is a process of processing plastics or synthetic resin into plastic products. At present, the manufacturing processes are mainly composed of choosing materials, molding, machining, joining, decoration, and assembly. 1....
German Industry 4.0 has reached a critical stage. It involves the automation of high-speed and precision stamping dies, the automation of high-speed and precision stamping machine tools and the selection of high-quality raw materials. China's high-speed cold stamping technology is constantly...