Foam molding machine maintenance matters_the working principle of foam machinery

Today we will bring you the maintenance items of the foam forming machine. We hope that through our introduction, you will have a deeper understanding of the Hebei Guangxing Foam Machinery Co., Ltd. and other issues. The foam forming machine is aimed at the materials required by the chemical industry such as foam and sponge. A device for processing. At present, the laser machine is mainly used for cutting. Due to the advantages of laser beam fine cutting, such as not easy to deform, smooth cutting, and no edge, it is currently used in various fields. Of course, it is inevitable that there will be failures during the use of the foam cutting machine and need to be overhauled. Now let's talk about the following precautions during overhaul.　　Only personnel who know how to use and operate are allowed to repair machinery or replace components! In order to prevent accidents or damage to the machine, the following principles must be observed during maintenance: 　　1. When a fault occurs, disconnect the power supply to stop the machine; 　　2. When the machine cannot be used normally, check the relevant manuals and use The manual determines the correct measures to be taken; the power supply must be turned off before overhauling or replacing components. 3. The parts (components) removed during the overhaul should be replaced with the same new parts (components) in situ, and the instruments used in the overhaul must be calibrated; 　　 4. It is strictly forbidden to put flammable or metal objects in the electrical cabinet or wiring Inside the box; 　　 5. Regularly check the cables and wires for damage to the foam, and the maintenance of the foam molding machine to prevent leakage or electric shock. You may be interested in the article: A certain amount of foaming agent and water vapor are retained in the pre-expanded beads of the foam machinery and equipment. When they are out of the machine, they condense into a liquid, and the liquid foaming agent is dissolved in the polystyrene to make The pressure in the bubble drops quickly, negative pressure (partial vacuum) appears in the bubble, and the beads are very soft and easily deformed. Therefore, when air is sent, try not to make the wind pressure too large, the inner wall of the air pipe should be as smooth as possible, and the bending radius should be as large as possible (to reduce collision resistance). The pipeline should be a good conductor of electricity, and the entire line must be grounded to avoid static electricity. Sparking, the transmission speed should not exceed 8m/s to avoid damage to the beads. A certain amount of foaming agent and water vapor are retained in the pre-expanded beads of the foam machinery and equipment. When they are discharged from the machine, they will condense into a liquid, and the liquid foaming agent will dissolve into the polystyrene to quickly reduce the pressure in the bubbles. , There is negative pressure (partial vacuum) in the bubble, and the beads are very soft and easily deformed. Therefore, when air is sent, try not to make the wind pressure too large, the inner wall of the air pipe should be as smooth as possible, and the bending radius should be as large as possible (to reduce collision resistance). The pipeline should be a good conductor of electricity, and the entire line must be grounded to avoid static electricity. Sparking, the transmission speed should not exceed 8m/s to avoid damage to the beads. The beads of the foam mechanical pre-expander are wet. After being discharged from the pre-expander, it absorbs air and suddenly encounters cold, causing the foaming agent in the honeycomb cells to condense and form a negative pressure in the cells, so the beads are in It must be placed for a period of time after the pre-expansion. On the one hand, it is dried, and on the other hand, it is allowed to infiltrate the air to eliminate the negative pressure, so that the internal pressure and external pressure in the cells are balanced, so as to prevent the cells from collapsing and make the beads elastic. The working principle of the foam machine The process of drying, cooling and stabilizing the cell pressure of the EPS beads just out of the pre-expander is called maturation. Maturation improves the further expansion of the pre-expanded beads during the molding process, the fusion between beads and the elasticity of the beads, which is beneficial to improve the quality of EPS products. 'Foam molding machine maintenance matters' and another article on real gold plate equipment provide some help for everyone. We will carefully prepare more content about Hebei Guangxing Foam Machinery Co., Ltd. in the follow-up. If you don't want to miss it, we recommend collecting our Website now!
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