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Common Shrink Wrap Problems And How To Fix Them

Views: 990 Author: Site Editor Publish Time: Origin: Site

Problem 1: Wrong sealing and cutting position

The position of the sealing line should be at the general position of the package height

Solution: 1. The height of the conveyor belt of the sealing machine is incorrect, and the height of the conveyor belt can be adjusted to the appropriate position; 2. The height of the sealing frame is incorrect, and the height of the sealing frame can be adjusted to the appropriate position; 3. The circulating air direction of the shrink film packing machine is incorrect , the circulating air direction can be readjusted; the shrink bag of the 4-wrapped package is too large, and the size of the shrink bag can be reduced a little.

 shrink wrap packaging machine


Problem 2. Crush the package

The packaging is pressed to the shrink film to deform or crush

Solution: 1. The temperature of the shrink packaging machine is too high, and the temperature can be lowered; 2. The speed of the conveyor belt of the shrinking machine is too slow, and the speed of the conveyor belt can be increased; 3. The size of the shrink bag is enlarged a little; 4 The shrink film used in 4 has too much shrink tension and is not suitable for the package, so use a shrink film with a lower shrink tension.

 

Problem 3. Zipper-shaped hole

There are zipper-like intermittent holes on the surface of the shrink film

Solution: 1. Tear the shrink film by the venting device, check the venting device of the sealing machine; 2. The number of venting holes is not enough, and the number of venting holes can be increased.

 

Problem 4. The sealing and cutting position becomes filamentous

Filaments appear at the sealing and cutting position

Solution: 1. The temperature of the heat-sealing knife of the sealing machine is too low, and the temperature of the heat-sealing knife can be increased; 2. The sealing and cutting time is too short, and the sealing and cutting time can be increased.

 Shrink Wrap packaging machine

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