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EPE foam machine production line


EPE foam extruder machine after the beads retain a certain amount of foaming agent and water vapor, when the machine, condensation into a liquid, liquid foaming agent and dissolved in polystyrene, so that the pressure in the bubble quickly reduced, bubble negative pressure, beads are very soft, easy to deformation. Therefore, when the wind is delivered, 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. The pipe should be a good conductor of electricity, and the whole line must be grounded to avoid electrostatic ignition. The transmission speed should not exceed 8m/s to avoid bead damage. Just the EPE beads of pretest machine material is wet, after release from pretest machine, due to absorb air, a sudden encounter cold, causing condensation of foaming agent to make bubbles in the honeycomb bubble hole hole forming negative pressure, so the beads must be placed a period of time after the pretest, on the one hand makes it dry, make it into the air to eliminate negative pressure on the other hand, the balance of internal pressure and external pressure of bubble hole, Avoid bubble hole collapse, so that the bead has elasticity.

Just out of EPE pre-expander EPE beads after a certain period of drying, cooling and bubble pressure stability process is called maturation. Curing can improve the further expansion, interbead fusion and elasticity of pre-formed beads in the forming process, which is beneficial to improve the quality of EPE products.

In the process of curing, the beads are cooled by air, and the foaming agent and water vapor of the pores in the bubble hole are condensed into liquid, so that the negative pressure is formed in the bubble hole. At this point, the air will permeate into the interior of the bubble through the bubble membrane, so that the pressure in the bubble is balanced with the external pressure, which will make the beads have elasticity after the pre-release.

Curing can be divided into natural curing and pressure curing two methods. In cool, dry, ventilated conditions, the natural gas is called natural maturation. The pre-maturation beads after natural maturation are inflated by adding gas to a certain pressure in a sealed container, which is called pressurized maturation.

Features of EPE machine

1. Foam shape moulding machine has various production modes, including automatic, semi-automatic, intermediate start and manual operation.

2.EPE foam machine adopts Japan Mitsubishi PLC, imported touch screen, Chinese display, graphical interface intelligent control, to achieve man-machine dialogue.

3. The vacuum system accelerates the molding speed, shorts the cooling time and reduces the water content of the product.

4.EPE automatic foam shape moulding machine adopts hydraulic system, smooth operation, low noise, large clamping force.

5. After optimization and redundancy design, the machine is simple and lively, with high strength and high cost performance.

6. Regular plastic mechanical molding machine has a variety of heating, cooling, charging, products demoulding and other processes to adapt to different EPE products production.

7. Foam moulding machine perfect fault self-diagnosis, motor protection system, so as to ensure the safe operation and protection of equipment.

8. Shunda machine is made of high quality steel welded, and after aging heat treatment, so that the foam lamination machine has high strength, no deformation, can withstand the expansion force of high-density products.

9. The company's machine adopts PLC full computer touch screen control, so that the machine opening mold, feeding, heating, heat preservation, vacuum cooling, demoulding, ejecting finished products, to achieve full automatic cycle operation.

10.The machine cavity surface of EPE automatic foam moulding machine adopts special aluminum alloy motherboard, with high heat kneading efficiency, good tensile strength and long service life.

11 EPE automatic foam moulding machine adopts high efficiency vacuum pump cooling device, strong penetration, good adhesion, less steam, forming speed, low moisture content, can ensure the consistency of thickening foam plastic board inside and outside, production efficiency doubled growth.

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