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  • What quality problems will occur in the repaired screw barrel?

     After the screw and barrel of the repaired or manufactured extruder are assembled, a common quality problem is that the screw has friction on the rotating surface of the barrel, and more serious is that the screw cannot rotate in the barrel. If this...

  • What is the injection screw of a plastic machine?

    The application of plastic products is closely related to our lives. Injection molding and extrusion molding are currently the most economical and energy-efficient processing methods in the field of plastic processing. Among them, the injection screw...

  • How to determine the gap between the screw and barrel of the injection molding machine

    The gap between the screw and the barrel of the injection molding machine is a parameter of the relationship between the screw and the barrel. 1. Factors considered in the gap selection area: 1) The nature of the processed material. (Such as heat-sen...

  • What needs to be considered for screw wear

    The geometry of the screw is designed according to the specific application. If the operating conditions are normal and meet the operating requirements, it should be able to achieve gentle processing of different materials and a long service life of ...

  • what is the force and strength of the screw of the injection molding machine?

    The injection molding machine injects molten plastic into the mold, and the product becomes the product after cooling. It has a wide range of uses. Depending on the plastic, the place of use is also different. The injection molding machine is the mos...

  • Reasons for the frequent sticking of the screw on the injection molding machine

    Different plastics have very different requirements for the shape of the plasticizing screw of the injection molding machine because of the differences in the characteristics of melting speed, heat absorbed during melting, melt viscosity, water absor...

  • What should I do if the screw of the injection molding machine leaks?

    What to do after the screw of the injection molding machine is overlaid? What should I do if the glue leaks? What is an injection molding machine? It is a kind of machinery and equipment that makes plastic into various shapes of plastic products, and...

  • What are the characteristics of stainless steel anti-theft screws?

    We are no strangers to stainless steel anti-theft screws. In fact, the scope of its application is still very common, such as in electronic facilities, railway facilities, highway facilities, urban lighting facilities, and public fitness equipment, y...

  • How to set the screw advance time?

    The injection cycle refers to the time required for the injection molding machine to complete a specific set of actions. Therefore, the action time of each part may affect the entire cycle time. To achieve the purpose of shortening the cycle time and...

  • What is the reason why the screw of the extruder suddenly does not rotate

      During the extrusion production process, the extruder screw/suddenly jammed may not rotate. At this time, if the extruder protection device does not work, the operator should shut down immediately. In more cases, the screw/can still rotate, but the...

  • Cleaning the screw of the injection molding machine

    1. Preparation before cleaning: 1. According to the production plan, confirm the material and color to be produced, and check whether the barrel material on the machine is clean. And figure out the residual material and color in the original screw (t...

  • How to control the color difference of the screw products of the injection molding machine

    There are many requirements for the material of the injection screw, which we have introduced before. The color difference is a common defect in the screw of an injection molding machine. There are many factors that affect the color difference, invol...