PVC hard board needs to be pressed layer by layer before forming. This is to make the board stronger when it is used. Therefore, the process of pressing the board is an important part. If we do it in this part, the effect will be more prominent. Then, let's learn about the pressing process of this product. Interested friends can pay attention to it together.
1. Molding temperature: The molding temperature of PVC hard board is determined according to the formula, the thickness of the board and other factors. The purpose is to make the material melt at the end of the feeding section, so as to enclose the rod and prevent the material from passing through the exhaust section It is pumped away from time to time, causing waste of materials.
2. Extrusion speed: The extrusion speed is determined by the rotation speed of the screw. As the rotation speed of the screw increases, the amount of extrusion increases, and the extrusion speed becomes faster. Under the same molding temperature conditions, the plasticization quality of the material will decrease. The output speed is very important to ensure product quality and improve economic efficiency.
Through the above analysis, we should pay attention to the reasonable configuration of extrusion speed and moderate production temperature when carrying out the pressing process of PVC hard board. These are the aspects we need to pay attention to. only we treat each link carefully. This product The quality will be more stable, which will naturally increase the service life.