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  • Fasteners and common parts  (2)

    Fasteners and common parts (2)

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  • Fasteners and common parts  (1)

    Fasteners and common parts (1)

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  • The production process of bolts

    The production process of bolts

    Fasteners are widely used, and bolts are naturally indispensable in daily life and industrial production manufacturing. The application scope of bolts covers aerospace, transportation construction, electromechanical machinery, electronic digital, power engineering, home life, and so on. Bolts ca...
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  • Classification and Introduction of Screws

    Classification and Introduction of Screws

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  • Thread milling

    Thread milling

    The research work on thread milling mainly focuses on both theoretical and technological aspects. Thread milling generally involves multiple cutting operations, including rough machining and precision machining. However, for difficult to machine materials, the cutting force during milling is sign...
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  • Basic knowledge of common thread

    Basic knowledge of common thread

       thread identification ① Discrimination of thread typeGenerally, first observe its tooth type, the tooth type of ordinary thread is generally triangular, the top and bottom of the tooth have a small plane, the tooth Angle is 600; 550 non-sealed pipe thread is a ...
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  • Bolt anti loosening form and precautions

    Bolt anti loosening form and precautions

      As a commonly used tool in fixtures, bolts are widely used, but long-term use can also bring many problems, such as loose connections, insufficient clamping force, and rusting of bolts. During the processing and production of parts, the looseness of bolt connections can affect t...
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  • Thread bottom hole and tapping depth

    Thread bottom hole and tapping depth

      I. IntroductionIn fact, in the design process, especially the designers with several years of work experience, under normal circumstances, basically will not consult the manual to determine, such as M10 screws, how big the bottom hole I want to play, how much is the depth, how much tol...
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  • Principle of Bolt Connection and Tightening

    Principle of Bolt Connection and Tightening

      5, bolt removal common problems When loosening the flange bolts of pipes and valves: Should be loosened away from the body half of the bolt, so that the remaining oil, steam, water from the opposite discharge, in case of spray, scalding If the bolt has glue that cannot be u...
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