Analysis of how to bond acrylic protective covers without bubbles during processing

In the process of producing acrylic protective covers, we always need to adhere them, but without exception, we encounter a problem where the glue cannot be applied without bubbles, and there are always traces of insufficient application, bubbles, and explosions. Why is this? How can we avoid it?
The problem and solution of processing and bonding acrylic protective covers:
1, How to deal with the problem of explosion at the glue point? Answer: Bursting is because the material is still in a high temperature state, and the glue will burst even if it exceeds 30 ° C. Just wait for the heated area to completely cool down.
2, Why is the glue not fully applied? Answer: Due to the lack of air circulation or poor fluidity of the glue, any problem caused can be solved by gently scratching the glue area with a blade.
3, Why are there always bubbles? Answer: There are bubbles because there is air in the syringe or dust or gaps at the teaching area, which can cause many bubbles. Just check if there is air in the syringe and if the glue is tightly attached.