• The effect of corrosion on the screw barrel of injection molding machine

    The effect of corrosion on the screw barrel of injection molding machine

    Strictly speaking, corrosion and wear are two completely different phenomena. The prerequisite for wear is the existence of forceful action and relative motion. Corrosion is just a chemical reaction. Even if the screw does not rotate, the melt will cause corrosive damage to the surface of the screw.... read more

    Mar 05,2021 News & Media
  • Why does the screw of the injection molding machine slip?

    Why does the screw of the injection molding machine slip?

    For hygroscopic materials (such as nylon), the high water content of the resin can also cause the screw to slip. Improper drying will be significantly lower The viscosity of the material and the generation of water vapor in the barrel will reduce the conveying power of the screw. In fact, there are ... read more

    Feb 27,2021 News & Media
  • How to set the low pressure and high pressure clamping position of the injection molding machine

    How to set the low pressure and high pressure clamping position of the injection molding machine

    The clamping process is usually divided into three/four stages, roughly fast/slow-low pressure-high pressure; Quick clamping, according to the structure of the mold, it is flat, or there is a slider. Different molds first set the pressure/speed/position during rapid clamping, and set the appropriate... read more

    Feb 20,2021 News & Media
  • Electrical safety protection device

    Electrical safety protection device

    The front and back doors of the injection molding machine are equipped with limit switches for protection. At the beginning of injection molding, the front and rear safety doors must be closed first. Generally, the rear safety door is closed for a long time, and the front safety door is equipped wit... read more

    Feb 07,2021 News & Media
  • General process of manual polishing

    General process of manual polishing

    (1) Manual whetstone grinding, strip whetstone plus kerosene as lubricant or coolant. The general order of use is #180~#240~#320~#400~#600~#800~#1000. Many mold manufacturers choose to start with #400 in order to save time. (2) Semi-precision polishing Semi-precision polishing mainly uses sandpaper ... read more

    Jan 30,2021 News & Media
  • How to deal with plastic hose bubbles in vertical injection molding machine

    How to deal with plastic hose bubbles in vertical injection molding machine

    In the process of extrusion of plastic pipes, a series of problems are often encountered. On the surface of the high-pressure hose, in addition to cracks, black bars, moiré and other problems, there are also bubbles in the high-pressure hose. The bubbles are generated in the plastic hose, which is g... read more

    Jan 23,2021 News & Media