Do you know how to solve the common problems of PVC shrink film?

PVC shrink film in the process of shrink packaging, often encounter some small trouble, these problems have you also encountered?

Then what should be paid attention to when PVC shrink film is used?

Below by a wide range of plastic film editor to explain to you the use of PVC shrink film common problems and solutions!

PVC shrink film common problems

Shrink warp in the corner of the package into a protruding triangular shape.

Solution:

1, wrapped packages shrink bag is too large, shrink bag size can be made a little smaller

2, shrink packaging machine conveyor belt speed is too fast, the speed of the conveyor belt can be lowered

3, shrink packaging machine cycle wind is too low, the cycle wind can be adjusted to low

4, shrink packaging machine temperature is too low, the temperature of the packaging machine can be adjusted up!

PVC shrink film common problems

The Zipper-shaped holes

Shrink film surface has a zipper-shaped intermittent holes

Solution:

1, playing through the hole device to tear the shrink film, check the sealing machine to play through the hole device

2, the number of breathable holes is not enough, can increase the number of breathable holes

PVC shrink film common problem three

The sealing position becomes filamentary. Seal cutting position into silk

Sealing and cutting position has a thin wire appear

Solution:

1, sealing machine heat sealing knife temperature is too low, the heat sealing knife temperature can be adjusted high

2, sealing and cutting time is too short, sealing and cutting time can be adjusted longer

These problems can be corrected by adjusting the machine settings, the most common adjustment of the temperature of the packaging machine, circulating wind speed, conveyor speed, the number of ventilation holes and shrink warp size. Have you learned?