欧美一级毛片免费高清

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  • In the manufacturing and cutting process of cemented carbide tools, in order to protect cemented carbide tools, cutting fluid will be used. Cutting fluid can play the role of washing, cooling, lubrication and rust prevention, and reduce too...
    A continuous raised part of a cylinder or cone with a specific cross-section and a helical shape. The thread is divided into cylindrical thread and conical thread according to its parent shape, external thread and internal thread according ...
    Tungsten carbide is a kind of hard alloy material. In industrial production, the most commonly used raw material of tungsten carbide is tungsten carbide powder, which is used in many tungsten carbide technologies, including tungsten carbide...
    Tungsten carbide powder is the intermediate from W powder to carbide. It can be produced by different raw materials and different processes. Up to now, the most commonly used method is carburizing tungsten powder, which can produce powder q...
    Characteristic It belongs to non-destructive test, and the test method is relatively simple. The hardness test of cemented carbide has a strong adaptability to the shape and size of the test piece, and the test efficiency is high. In additi...
    Many people will face such a problem that the use of Wu copper is required for partial or EDM, but the buyer does not know Wu copper alloy, which is used for making. Zhuling copper mold professional manufacturer, the supplier of Pearl River...
    In 1923, schler of Germany added 10% - 20% cobalt binder to tungsten carbide powder and invented a new tungsten carbide and cobalt alloy. Its hardness is second only to that of diamond, and the cemented carbide is the first one in the world...
    Recently, there are many cemented carbide blade customers consult cemented carbide blade. In fact, this is a very common problem. It is estimated that many people want to find out which factors limit the sharpness of cemented carbide blades...
    Because of its high hardness and good wear resistance, cemented carbide is an advantage. However, high hardness also increases the difficulty of machining. As a result, many manufacturers will use some other materials to weld non critical c...
    (1) the brazed surface of tungsten steel shall not be sand treated or polished before welding. The oxide layer on the brazed surface reduces the wetting effect of the solder and weakens the bond strength of the weld. (2) improper selection ...
    Cemented carbide ball, commonly known as tungsten steel ball, is a material ball made of cemented carbide. The hardness of the ball and cemented carbide ball is high, wear-resistant, corrosion-resistant, bending resistant, and the use envir...
    The production process of cemented carbide is a very strict operation process. The production of cemented carbide includes three main processes: mixture preparation, molding and sintering. Each process must strictly comply with the producti...
    With the development of CNC machine tools, traditional standardized tools can not meet the requirements of modern manufacturing industry for improving efficiency and reducing costs. Tungsten carbide coating has the advantages of high hardne...
    Langsun tungsten carbide is a professional Tungsten Carbide Spray manufacturer. It is a process that can spray tungsten carbide on other metal materials in the way of coating, which can improve the wear resistance and other physical propert...
    As for the introduction of the use of tungsten carbide, it has been introduced before by Harris of Taizhou. Its application scope is too wide, and it has been involved in many places. Today, let&#39;s discuss the five most widely used uses ...
    Modern people&#39;s living standards have improved. When they get married, they will choose all kinds of exquisite rings. Generally, people will choose gold rings or rings with diamonds. In fact, in addition to these two kinds of common rin...
    欧美一级毛片免费高清
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