News

  • Influence of thread parameters and parameter errors on interchangeability of fasteners

    Basic tooth type of common thread of fastener The geometric parameters of fastener threads depend on the basic tooth profile in the axial section of fastener threads. The basic tooth shape is a common theoretical tooth shape of internal and external threads formed by cutting H/8 from the top and ...
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  • Wheel nut surface treatment on the influence of prestressing force

    Wheel connection vice is vehicle applications extremely important components, its role is to the wheels connected to the hub reliably – together, guarantee the safety of the vehicle. Wheel connection of failure will lead to serious consequences, not only can cause the damage to the vehicle ...
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  • Do you want to add the gasket bolt connection?

    We saw in machinery and equipment are often some bolt connection will use washer, some gasket bolt connection is to use, there are some bolt connection is a flat washer, there are some use is spring washer, there are some with spring washer and flat washer. What do you want to use the gasket when...
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  • Corrosion causes and protective measures of steel fasteners

    Fastener connection is a common part on the aircraft, is also an important connecting piece of the aircraft, can also be called the aircraft navigation parts. After the disassembly of aircraft fasteners, corrosion products can penetrate into the fastener holes and cause corrosion of the hole wall...
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  • Introduction of common fastener anticorrosion technology 0.4

    4, change the organization form of steel The change of 4.1 ingredients (such as stainless steel) Stainless steel is short for acid-proof stainless steel, it has excellent corrosion resistance and good decorative effect, has been widely used in every fields. Now it is generally believed the corros...
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  • Charger News: The winners and losers of the first week of @武汉

    In the Chargers’ first victory of the 2021 season—a 20-16 victory over a rising Washington team—many players brought together outstanding performances and helped the team become the NFL leader under Brandon Starley. The coach won the first game. Although the score may not be shown, this game is m...
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  • Introduction of common fastener anticorrosion technology 0.3

    Coating technology Coating technology refers to the specific coating on the surface of the object with a certain equipment and way, so that the surface of the dense, continuous, uniform film, and then the natural or. A surface treatment technique in which a protective or decorative coating is for...
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  • High strength nut difference

    Under normal circumstances, the high strength bolt can withstand the load than the same specification of the ordinary bolt to be larger. Ordinary bolts are made of Q235(A3). The material of the high strength bolt is 45# steel, alloy steel (such as 20MnTiB, 35VB) or other high quality materials. A...
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  • Introduction of common fastener anticorrosion technology 0.2

    Metal coating technology Metal coating technology is mainly used on the surface of metal materials coating technology to form a metal thin layer, to give metal materials decorative or protective surface treatment process. In urban rail vehicles, the metal plating technology of fasteners is mainly...
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  • Introduction of common fastener anticorrosion technology 0.1

    Fasteners are the most common parts in the mechanical equipment used for fastening connections. They are all used in a specific environment, and the long-term interaction between fasteners and the environment will always change their state and performance, namely corrosion, which is one of the ma...
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  • High-strength nut is introduced

    High strength nuts is of high strength bolts, belongs to a kind of standard parts. In general, high strength bolt can carry the load is bigger than the same specification of ordinary bolt. High-strength nut, connection structure and the shape of ordinary bolt are basically the same, the main diff...
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  • Application and process standard of high strength bolts

    Handan Sayun Metal Products Co., Ltd. is specialized in the production of high strength fasteners manufacturers, goose egg type screws, special-shaped screws, square head screws, ingot-type silk and so on have a large number of stock, can be directly shipped, drawings can also be customized. Bolt...
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