Vertical two-color injection molding machine
mold two-color structure and unique injection advantages? The two sets of injection units and nozzles of the JTT+H vertical two-color injection molding machine are independently separated, and the color of the injection molded product is two-color separated, and there is no mixing together. The mold design requirement used by JTT+H vertical two-color injection molding machine is that each set of molds must be properly matched. The difference between the JTT+H vertical two-component injection molding machine and the general vertical injection molding machine lies in the design of the movable template of the injection unit mechanism. The JTT+H vertical two-component injection molding machine has two independent separate injection units. The design of the mold movable template needs to provide the mechanism of the turntable. Common designs such as adding a turntable or a rotating shaft mechanism to provide a 180° reciprocating rotation function to make the mold produce cyclical alternating movements. In addition, some special two-color molds do not need a turntable or a shaft mechanism, and the mold slides alternately or rotates horizontally. Such as JTT-2V3R vertical turret two-color injection molding machine. JTT+H vertical two-color injection molding machine two-color injection molding advantage: JTT+H vertical two-color injection molding machine two-color injection molding can make two resins with different characteristics and colors into a single two-color product, which can reduce the assembly and post-processing of molded products. . Increase the beautiful visual effect of the product, and enhance the grade and added value of the product. Moreover, it has the functions of anti-skid and increased friction. The flexible resin material makes it more ergonomic and feels better. JTT+H vertical two-color injection molding machine has two-color injection products with high quality stability, easy control of product deformation, short molding cycle, high output, 7% lower loss than overmolding, and manufacturing costs 20%-30% lower than overmolding. Production process characteristics of injection molded two-color products. 1. The JTT+H vertical two-color injection molding machine is composed of two sets of plastic injection devices with the same structure and specifications. The nozzle has a special structure according to the requirements of the production method, or is equipped with a structure that can be rotated and replaced, and two sets of forming molds are exactly the same. When plasticizing injection molding, the process parameters such as melt temperature, injection pressure, and injection melt volume in the two plasticizing injection devices of the JTT+H vertical two-color injection molding machine are the same, so as to minimize the fluctuation of process parameters in the two sets of devices. 2. Compared with ordinary injection-molded plastic products, the injection molding plastic products of JTT+H vertical two-color injection molding machine adopt higher parameter values u200bu200bfor the melt temperature and injection pressure during injection molding. The main reason is that the mold runner in the two-color injection molding is relatively long, the structure is relatively complex, and the injection melt flow resistance is relatively large. 3. When the JTT+H vertical two-color injection molding machine is used for injection molding, plastic products need to use raw materials with good thermal stability and low melt viscosity to avoid decomposition due to high melt temperature and long residence time in the runner. The most widely used plastics are polyolefin resins, polystyrene and ABS materials. 4. JTT+H vertical two-color injection molding machine adopts higher melt temperature, higher mold temperature, higher injection pressure and injection rate during injection molding of double-color plastic products. JTT+H vertical two-color injection molding machine two-color mold new technology. The JTT+H vertical two-component injection molding machine is equipped with two barrels. The mold is single cavity, with the common cavity required by the first hard plastic plastic and the second soft plastic plastic. This technology requires a single die and punch, which is fundamentally different from the previous two production modes. After injecting the first plastic into the first barrel, wait for the first plastic to partially solidify or solidify. The power oil cylinder at the beginning of the control drives the isolating blade and retracts to be level with the profile of the punch. The second barrel injects the second plastic. After the second plastic is completely solidified, the JTT+H vertical two-color injection molding machine is opened and the complete product is taken out. Then the JTT+H vertical two-color injection molding machine is shut down for the next cycle. The advantage of this technology is to simplify the mold and reduce the need for the working space of the JTT+H vertical two-color injection molding machine. At the same time, it reduces investment and energy consumption, doubles the output, and fundamentally avoids defective products caused by re-placement of the contracted and deformed hard rubber into the mold cavity. 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