The selection and adjustment of injection molding process parameters of mixed multi-color injection molding machine will have a very important direct impact on the quality of plastic products. The process parameters of injection molding include: temperature, pressure, speed, stroke, etc. In general, the temperature of injection molding includes material temperature, mold temperature and drying temperature. The material temperature includes the heating temperature of the barrel and the injection temperature of the nozzle; Mold temperature is the temperature of the mold, which refers to the inner wall temperature of the abrasive tool in contact with the product; Drying temperature is the temperature at which certain materials are dried in the preparation work before forming. The injection temperature, that is, the material temperature, will directly affect the injection pressure, so the injection temperature must be controlled within the appropriate range, otherwise too high and too low temperature will affect the quality of the plastic parts. In the actual injection process, the injection temperature is higher than the temperature of the barrel, which is closely related to the injection speed and material properties.
Although the gradual color injection molding machine injection molding technology has been proposed and applied to the actual production, the mixed two-color injection molding machine is realized due to its relatively high requirements for the injection molding machine and a special injection molding process in which the plastic color is changed from thick to light or the color is changed from light to thick. In the past, the demand for a special injection molding process with a plastic color changing from thick to light or color changing from light to thick to achieve complex plastics was not high, so it has not been paid attention to in the early stage. Until the improvement of production technology and the improvement of people's requirements for plastic products, the technology has been rapidly developed, especially the two-color multi-color injection molding technology is widely used. With the continuous development of the plastic industry, the multi-functional composite structure of plastic products and green environmental protection will become the development direction of the plastic industry, a variety of new injection molding machines and injection molding processes continue to emerge, backward and inefficient production technology is bound to be eliminated with the progress of injection molding technology, Only by constantly updating or improving production equipment and technology can we better adapt to the development of the market.
HYW—5280Mixed 2 color injection molding machine Main technical parameters | |||
Name | Unit | Numerical value | |
Ⅰ | Ⅱ | ||
螺杆直径 ScrewDiameter | mm | 80 | 70 |
理论注射容积 ShotVolume | cm³ | Ⅰ+Ⅱ=2880 | |
实际注射质量 ShotWeight(ps) | g | Ⅰ+Ⅱ=2672 | |
注射压力 InjectionPressure | Mpa | 192 | 167 |
螺杆转速 ScrewSpeed | rpm | 2-150 | 2-160 |
合模力 ClampingForce | KN | 5280 | |
开模行程 PlatenStroke | mm | 780 | |
拉杆内间距 SpaceBetweenTie-bars | mm | 820×780 | |
最 大模厚 Max.MouldThickness | mm | 820 | |
最小模厚 Min.MouldThickness | mm | 350 | |
顶出行程 EjectorStokeDistance | mm | 200 | |
液压顶出力 EjectorTonnage | KN | 128 | |
油泵最 大压力 Max.PumpPressure | Mpa | 16 | |
油泵马达功率 MotorPower | KW | 82 | |
电热功率 HeaterPower | KW | 36 | |
机器外形尺寸 MachineDimesions(LXWXH) | m | 7.80×2.40×2.60 | |
重量(约) MachineWeight(about) | T | 23 | |
Note: The above parameters are subject to change without prior notice. |
If the system or local pressure exceeds the spring-adjusted value, the spool automatically opens, returning the pressure flow to the tank.
Although the secondary components only play an auxiliary role, the quality of the secondary components will affect the function of the system. The secondary component is the fuel tank,
Pipes and joints, coolers, oil filters, pressure gauges, mixed three-color injection molding machine lubrication lubricators, etc. The use of appropriate tubing and joints, the hydraulic components, accessories and measuring instruments to connect together, can form a complete hydraulic system. For hydraulic devices, pipelines and joints are required to have sufficient strength and pressure reserve, reliable use, convenient installation and disassembly, and low energy consumption when conveying working media. Pipe fittings are divided into hard pipes and hoses. The hard tube can be used for the connection of two mutual fixed components, and can not be bent arbitrarily during assembly, can withstand greater pressure and be firm and reliable, and the pressure loss is small. A hose can be used to make a pipe connection of two relative displacement components, or to frequently change the connection of components to the hydraulic system. Easy to install, not afraid of vibration, and can partially absorb the impact of the hydraulic system, but the pressure loss along the way is greater than the hard pipe.
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