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  • How to fix a screw and how to remove it

    How to fix a screw and how to remove it

    Date Apr 14,2022

    Reasons for screw damage1. The temperature of the raw material is low when plasticizing.2. The raw material is mixed with metal foreign matter or there are many impurities in the raw material.3. The screw idle time is too long.4. Unreasonable selecti...

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  • Screw and barrel use conditions and methods

    Screw and barrel use conditions and methods

    Date Apr 08,2022

    Electric resistance heating is widely used in machine heating, and thermocouples are used to achieve segmented temperature control and side detection. Resistance heating is to use resistance to generate heat to heat the barrel, and then transfer the ...

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  • How to choose injection molding machine screw

    How to choose injection molding machine screw

    Date Apr 01,2022

    The plasticizing screw of the injection molding machine has the functions of conveying, melting, mixing, compressing, metering and exhausting. It plays an important role in the plasticizing quality and is a key factor affecting the plasticizing quali...

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  • Screw cleaning method

    Screw cleaning method

    Date Mar 25,2022

    The methods of cleaning the screw include ordinary replacement method and special screw cleaning agent cleaning method. The former method will use a large amount of resin.Extruder screw1. Water cleaning methodWater cleaning method, using a small amou...

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  • Barrel screw wear repair technology

    Barrel screw wear repair technology

    Date Mar 16,2022

    The wear of the barrel and screw is mainly manifested in the wear during use, especially when the use time is long or the long-term production of highly filled or glass fiber reinforced materials causes the inner diameter of the barrel to increase. B...

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  • Barrel screw repair principle

    Barrel screw repair principle

    Date Mar 09,2022

    The two important parts of the screw and the barrel, one is a slender threaded rod, the other is a small and long hole, their machining and heat treatment processes are more complicated, and it is difficult to ensure accuracy. After the wear of these...

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  • How to repair and strengthen the screw

    How to repair and strengthen the screw

    Date Mar 04,2022

    How to Repair and StrengthenThe repair and strengthening process of the screw is as follows:1. Surface cleaning screwBefore the spray welding of the screw, it is necessary to clean the residual plastic attachments on the surface of the screw. The cle...

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  • What are the requirements for the manufacturing quality of the screw

    What are the requirements for the manufacturing quality of the screw

    Date Feb 21,2022

    ①The screw of the extruder should be made of alloy steel with small thermal deformation, wear resistance and corrosion resistance. Commonly used materials are 38CrMoAlA alloy steel or 40Cr steel, and repair parts can also be made of 45 steel.②The bla...

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  • How to disassemble the screw and how to repair it

    How to disassemble the screw and how to repair it

    Date Feb 19,2022

    Reasons for screw damage1. The temperature of the raw material is low when plasticizing.2. The raw material is mixed with metal foreign matter or there are many impurities in the raw material.3. The screw idle time is too long.4. Unreasonable selecti...

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