u200bVacuum suction plastic water common problems and solutions

The working principle of vacuum forming can be simply understood as the use of vacuum to fit the PVC film and the sizing fiber sheet to realize the covering of various types of decorative parts such as planes, concave-convex grooves, curved edges, hollow carvings, etc. It can achieve decorative modeling and obtain beautiful colors. In addition, vacuum forming can realize one-time molding, so it can greatly reduce costs in production; at present, this technology has been widely used in the manufacture of computer desks, sound boards, cabinets, doors and furniture. . Moreover, Zhongshan ZHONGSHAN LINYANG PLASTIC CO.LTD stated that vacuum suction is a key factor in the vacuum suction process, which can affect the final product effect of vacuum suction parts. So for some problems in the use process, Zhongshan ZHONGSHAN LINYANG PLASTIC CO.LTD gives some solutions. Situation analysis and solution Analysis of the causes of the pockmarked face phenomenon 1. The diameter of the spray gun is more than 2.0mm; 2. The spraying is not uniform; 3. The surface of the substrate is uneven and smooth; 4. The atomization effect of the adhesive is not good. Solution 1. Select the spray gun with a diameter of 1.0-1.5mm; 2. Adjust the pressure of the spray gun and the amount of glue, and move in a straight line when spraying glue, uniform; 3. Before spraying glue, check the flatness, and re-grind if it is uneven; 4. .Select the adhesive with good atomization effect. 1. The amount of glue applied is not enough; 2. The activation temperature is not enough; 3. The suction is not in place, the backing plate and the workpiece are dislocated, and the distance between the workpiece and the workpiece is too small; 4. The selected PVC is not dedicated to For vacuum forming, low surface tension. Solution 1. Increase the amount of glue applied; 2. Try to increase the heating temperature and time at the temperature that PVC can tolerate; 3. Adjust the position of the backing plate and processed parts as required; 4. Find help from PVC suppliers. Analysis of the causes of wrinkling on the pvc surface 1. The heating temperature is too high; 2. The vacuum suction is not enough; the solution 1. Reduce the heating temperature; 2. Check whether the vacuum pump and its piping system are sealed; 1. The thickness of the backing plate is low; 2. The distance between the workpiece and the workpiece is too close; the solution 1. Raise the height of the backing plate; 2. Increase the distance between the workpiece and the workpiece; the above is ZHONGSHAN LINYANG, Zhongshan City PLASTIC CO.LTD decoration summarizes some of the problems and solutions that may occur during the use of blister plastic for you, I hope it can help you!

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