上海11选5开奖结果 Zhejiang Qijia teaches you the maintenance of blown film machine: 1。 Check that the temperature is self-controlled and the heating appliance is in good condition。 Pay attention to adjust the heating temperature of each p。。。
Plastic extruder is a common plastic machinery。 In the process of daily operation of the extruder, there are various failures in the extrusion machine, which affects the normal production of plastic machinery。 Below we a。。。
Injection molding machine barrel screw design principle: The main part of the pin screw is a conventional screw which can be placed in the groove of the melting section or the metering section of the screw or the smooth 。。。
The problem that the barrel screw plasticization is not good should be noted: 1. Clean the rubber head or replace the rubber head! Remove the head and burn it with fire. Thoroughly clean the remaining material on the rub...
The injection molding machine screw has the following characteristics: 1。 The aspect ratio and compression ratio of the injection screw are relatively small; 2。 The screw groove of the injection screw homogenization sect。。。