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  • Reasons and solutions for locking of stainless steel screws

    Reasons and solutions for locking of stainless steel screws

    Date May 25,2021

    1. The deflection angle of the thread fit and the softer characteristics of stainless steel can easily cause the locking of the stainless steel screw 1. The fit of stainless steel screw and stainless steel nut is a clearance fit, and has their respe...

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  • Titanium alloy screws-introduction to moisture-proof method

    Titanium alloy screws-introduction to moisture-proof method

    Date May 21,2021

    Titanium alloy screws are prone to rust when exposed in the air, so titanium alloy screws need to be moisture-proof and moisture-proof:1. The choice of component insulation impregnating varnish, such as epoxy resin or polyurethane impregnating varnis...

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  • What are the precautions for the maintenance of the screw barrel

    What are the precautions for the maintenance of the screw barrel

    Date May 11,2021

    What are the precautions for the maintenance of the screw barrel? 1. When assembling, disassembling or replacing nozzles, screw heads, and flanges, apply high-temperature anti-corrosion paste to the threaded surface of the bolts to facilitate future...

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  • What are the shortcomings of ordinary screws

    What are the shortcomings of ordinary screws

    Date May 08,2021

    What are the defects of ordinary screws? (1) Since the melting mainly occurs on the interface of the solid bed in contact with the upper melt film, its width, that is, the heat transfer area between the melt and the solid, gradually decreases with t...

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  • Application range of combined screws

    Application range of combined screws

    Date Apr 25,2021

    There are many names for screws, and everyone's name may be different. Some people call them screws, some people call them screws, some people call them standard parts, and some people call them fasteners. Although there are so many names, they all ...

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  • How to prevent the failure of stainless steel screws and nuts from being locked

    How to prevent the failure of stainless steel screws and nuts from being locked

    Date Apr 21,2021

    Locking or seizure of stainless steel screws often occurs on screws of stainless steel, aluminum alloy and titanium alloy materials. These metal alloys themselves have anti-corrosion properties. When the surface is damaged, a thin oxide layer is for...

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  • Tips for daily maintenance of bimetallic screws

    Tips for daily maintenance of bimetallic screws

    Date Apr 14,2021

    Reasons for screw wear caused by bimetallic screw and methods to reduce wear1. Each plastic raw material has an ideal plasticizing processing temperature range, so the processing temperature of the barrel should be controlled to make it close to this...

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  • How to calculate the strength of the screw

    How to calculate the strength of the screw

    Date Apr 09,2021

    When the screw rod is matched with the main shaft of the reduction box with a longer cylindrical surface, the screw rod can be used as a cantilever beam with one end fixed. The force state of the screw during the extrusion process can be simplified a...

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  • Screw material and strength calculation

    Screw material and strength calculation

    Date Mar 31,2021

    (1) Screw material1. Requirements for materialsIt can be known from the extrusion process that the screw works under high temperature, certain corrosion, strong wear, and high torque. Therefore, the screw must:1) High temperature resistance, no defor...

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