Some Of The Common Problems With Signal Blocking Bag

- Jun 22, 2017 -

Some of the common problems with Signal Blocking Bag
First, the signal shielding bag temperature on the signal shielding bag strength have any effect?

The signal shielding bag temperature has a very important effect on the strength of the signal shielding bag. The thickness of the signal shielding bag in the signal shielding bag layer plays a decisive role in the effect of the signal shielding bag.

① When the temperature is relatively low, the signal shielding bag surface is melted, involved in the signal shielding bag film thickness is relatively thin, resulting in lower contact temperature.

② When the temperature is too high, the signal may be shielded bags of thin film are melted or to shield the bag layer of the risk of stripping the base layer, leading to the base of the upper and lower film involved in the signal shielding bag, which will inevitably lead to signal shielding bag strength decreased. So we are in the film signal shielding bag, be sure to choose the appropriate signal shielding bag temperature, not too high can not be too low.

Second, the signal shielding bag time on the signal shielding bag What is the impact?

Automatic packaging machine or old bag machine signal shielding bag time is determined by the speed of the machine. In the case of signal shielding bag temperature and signal shielding bag pressure, the longer the signal shielding bag, the stronger the combination between the signal shielding bag layer. However, if the signal shielding bag for too long, composite film signal shielding bag parts will appear fold, uneven phenomenon, seriously affect the appearance of the product quality.

Third, the signal shielding bag pressure on the signal shielding bag What is the impact?

In order to ensure that the plastic composite flexible packaging signal shielding bag strength, a certain signal shielding bag pressure is essential. Therefore, in the signal shielding bag process requires the signal shielding bag pressure is moderate and uniform. If the signal shielding bag pressure is not enough or uneven, it will make the signal shielding bag parts of the bubble and Weld, resulting in poor signal shielding bag.If the signal shielding bag pressure is too large, the signal shielding bag parts will appear sealing deformation, Bag temperature is high, but also squeeze part of the composite material, resulting in the edge of the signal shielding bag brittle, easy to crack, while the signal shielding bag strength decreased.

Fourth, the signal shielding bag caused by uneven pressure What are the reasons?

① signal shielding bag knife deformation. Signal shielding bag knife generally use good heat transfer performance of aluminum or copper, these two kinds of materials are relatively soft material, so the installation of signal shielding bag knife, if the method of tightening the fixed screw, will cause the signal shielding bag knife Force uneven, after frequent tool change, it caused the signal shielding bag knife deformation.

② signal shielding bag knife machining accuracy is low. Signal shielding bag knife processing accuracy will cause the signal shielding bag knife surface uneven, so that in the process of shielding the bag process, it will cause the signal shielding bag pressure is not uniform, thus affecting the composite bag signal shielding bag strength.

③ signal shielding bag knife surface sticky or wounded. Signal shielding bag knife surface sticky stolen goods or surface bumps, scratches, the same will cause the signal shielding bag pressure is not uniform, coupled with the melting resin sticking to the signal shielding bag knife surface is not cleaned in time, will also affect the signal shielding bag strength.

④ silicone rubber hardness and strength. The quality of the silicone rubber is the most important condition to ensure uniform pressure of the signal shielding bag.

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