Release time:

2022-06-22

The casting film machine, also known as the casting film rolling oil heater or the casting film rolling electric oil furnace, is a specialized mold temperature controller for the hot forming of casting film rolling plastic. Suitable for temperature control equipment of PET casting film, PVC casting film, PP casting film, EVA casting film, multi-layer co extrusion casting film line and roller. There are usually two types of casting film roller mold temperature machines: water temperature machine and oil temperature machine. The sheet material used for processing plastic thermoformed packaging products through "casting" is called "casting" thermoformed sheet material. At present, the processing situation of domestic plastic hot formed sheets is that the "rolling method" extrusion hot formed sheets are mostly processed on domestic equipment, while the "rolling method" extrusion hot formed sheets are mostly processed on imported sheet production lines. Most of the extruded hot formed plates are processed on special casting lines in Taiwan. Now, with the progress of domestic sheet processing technology and the improvement of sheet technology, some sheet production lines in China can also use "rolling method" and "rolling method" to process qualified plastic hot formed sheets. Casting film is the process of extruding plastic melt that is hot melted in an extruder through a rotating die (tubular film method) or a T-shaped die (flat film method), and then the casting film machine senses it. Adjustable temperature reaches the preset temperature value, which can improve the molding efficiency; Reduce the generation of defective products; Improve appearance and prevent defects; Accelerate progress, reduce energy consumption, and save energy Casting film machines are also environmentally friendly, solving problems encountered during the process, such as difficulty in temperature control, long cooling time, low efficiency, and poor quality. Many unqualified issues. This is just the casting film rolling industry. In other plastic industries, mold temperature machines also have temperature control functions and are indispensable auxiliary equipment in the plastic industry. The main function of the casting machine in the extrusion process of the casting film is to eliminate impurities in the melt and improve the physical and chemical properties of the casting film. 2. Divide and recombine the melt, further plasticize and mix, promoting the dispersion and uniformity of the blend system. 3. Establish appropriate melt pressure, eliminate gas from the material, improve the density of the melt, and prevent diaphragm holes and pores. Performance requirements for cast film: The cast film has multiple functions, high requirements, and harsh processing conditions. Only those with superior performance can meet the needs of cast films. The specific requirements are as follows: 1. Fine filtration, without the escape of impurities. 2. The flow channel has no stagnant zone or dead angle, and the material does not undergo overheating degradation. 3. When replacing the filter screen, the material flow is stable, the temperature fluctuation is small, and it can ensure long-term continuity without generating waste or defective products. 4. The price of the filter is low, and one-time use does not generate secondary cross contamination. 5. The network switching operation is simple and easy to operate, saving labor and effort. 6. High temperature resistance, high pressure resistance, and no leakage. 7. Stable performance, reliable operation, and low application cost.

Key words: