31
2019
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05
The role of vacuum packaging color printing for food packaging bags
Most of the food packaging bags contain various patterns and words, which are completed by thermal transfer process. Most of the processes are now completed by mechanical equipment, and there are few places that require manual operation. The lack of pressure on mechanical equipment may cause it to have problems. Pressure refers to the force of printing various patterns on the food packaging bag. This force can be large or small. If it is too small, the pattern will not be clear, and it is easy to fade or fall off. If it is too large, it will This leads to unevenness of the packaging bag, which affects its feel and aesthetics. Adjusting an appropriate pressure is the key to production. The pressure used for packaging bags of different materials and patterns is different, which requires operators to produce and test for a long time. Obtain an accurate value, and gradually adjust this value in the process of using mechanical equipment the day after tomorrow.
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