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Recently, when I visited Mr. Sun's factory in Shangrao, Jiangxi, I met Mr. Wang, who is known as "the golden finger in Jiangxi". Mr. Wang's main job is to help customers debug the production when the mold is developed. But he ran into a little trouble in Mr. Sun’s factory: the simple problem of debugging for the case of electricity meter baffled the first “golden finger”.

Mr. Sun's transparent PC plastic parts are actually not difficult to make. The biggest problem is not yellowing or discoloration, but there is always white fog near the nozzle. Mr. Wang suspected that this is caused by the material not being dried up and the water vapor rising. In fact, there are several causes, and the specific solutions are as follows:
1．Check the mold exhausting
Facing the water vapor of transparent injection molding products, many technicians first come up with the idea that the raw materials are not dried clean, resulting in water vapor precipitation. However, this kind of water vapor may also be caused by trapped air. Poor exhausting will not only cause charred black spot, it may also cause white fog when air is not trapped so seriously. The problem of trapped air can be solved by adding an exhaust slot.
2. Check the mold temperature
For transparent products, the mold temperature is very important. If the profit allows, it is recommended to use the mold temperature machine. In this way, the molten raw materials will not contact the cold mold prematurely, which makes the material shrink and causes the surface to evaporate. If you can not afford a mold temperature machine, try to produce in the case that the mold is warm, so as to minimize the interference of mold temperature.
3. Commissioning process
Generally, it is better to reduce the screw speed and the injection speed at the nozzle, so as to minimize the shear force in the material and prevent overheating reaction inside the fluid, which will lead to partial decomposition inside the fluid, or air mixing and fog generation due to too fast speed.
As the first golden finger in Jiangxi Province, Mr. Wang tried the ideas and methods of Taili Plastic Machinery, and saw that the product really started normal production, which made him indeed convinced.
Taili Plastic Machinery always keeps in mind that what a good injection molding machine factory should do is to help improving the capacity and boosting the profits, rather than offer the similar products the customers need. This is also what Taili Plastic Machinery keeps doing.
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