Common problems and solutions in the use of PVC heat shrinkable film (2)

In the process of shrink packaging, PVC heat shrinkable film often encounters some minor troubles. Have you encountered these problems? So what should I pay attention to when using PVC heat shrinkable film? Common problems of PVC heat shrinkable film 1. Outstanding: the triangular shape of the shrink film protruding from the corners of the package. Solution: 1. The shrink bag of the wrapped package is too large, so the size of the shrink bag can be reduced. 2. Shrink packaging machine The speed of the conveyor belt is too fast, the speed of the conveyor belt can be lowered 3. The circulating wind of the shrink packaging machine is too low, the circulating wind can be lowered 4. The temperature of the shrink packaging machine is too low, the temperature of the packaging machine can be increased PVC Common problems of heat shrinkable film 2: zipper-shaped holes: there are zipper-shaped intermittent holes on the surface of the shrink film. Solution: 31. The venting device tears the shrink film. Check the venting device of the sealer 32. The number of vent If not enough, you can increase the number of vent holes. Common problems of PVC heat shrinkable film 3. The sealing and cutting position is filamentous: there are filaments in the sealing and cutting position. Solution: 33. The temperature of the heat sealing knife of the sealing machine is too low, and the temperature of the heat sealing knife can be adjusted higher 34. The sealing and cutting time is too short, the sealing and cutting time can be adjusted longer. Previous: Wuhan heat shrinkable film manufacturer: Various characteristics of heat shrinkable film Next: Common problems and solutions in the use of PVC heat shrinkable film