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introduction： nominal diameter Size inchesIn. 1/8 1/4 3/8 1/2 3/4 1 1 1/4
2015-02-04 Reading quantity 2887
introduction：Ancient lifting machinery，Its a type of winch。A pulley, often used to draw water from a well, is called a tackle。The pulley pulley had been used in the Spring and Autumn period to lift copper ore from the shaft。1974Two wooden pulley shafts were found in the excavation of the ancient copper mine site of Spring and Autumn and Warring States in Tonglushan, Hubei Province，One of them is full length2500millimeter，diameter260millimeter,A scrap of a tackle judged to be used for lifting copper ore。The early record of the hoisting pulley was written by Liu Yiqing in the Southern Song Dynasty《The world speaks new language》。The book describes The Three Kingdoms Wei Ming Emperor(227～239)In the building view of the sky，Mistakenly pin up a plaque that has not yet been inscribed，“It is the feast of the year
2015-02-04 Reading quantity 2782
introduction：D337The mold electrode conformsGBEDRCrW-15 Instructions:D337Its a hyposodium drugCrWHot forging die surfacing electrode，Dc reverse connection is adopted。 use:For casting or forging steel surfacing forging die，Can also be used for forging die repair。 Chemical composition of deposited metal()Chemical compositionCSPCrWTotal amount of other elements Guaranteed value0.25~0.55≤0.035≤0.0402.00~3.507.0~10.0≤1.00 Hardness of surfacing layer:（Air cooling after welding）HRC≥48 Reference current(DC)Electrode diameter(mm)φ3
2015-02-04 Reading quantity 2824
introduction：In the last issue，We pass3Article on the concept of high speed machining、The solutions and other aspects are summarized，This time we continue the topic of high speed。In this issue，Readers will find several useful articles，The content involves high-speed processing equipment、cutter、CAMProgramming solutions, etc。 The research on high speed machining started early in the developed countries，The level is also very high。In this technology，The leading countries are mainly Germany、Japan、America、Italy etc。In high speed machining technology，Superhard material tools are the prerequisite and prerequisite for ultra-high speed machining，High-speed CNC machine tools and machining centers are real
2015-02-04 Reading quantity 2786
introduction： Trim the grinding wheel into shape or remove dull surface with a dressing tool﹐Operation process to restore grinding performance and correct geometry of the working surface。Trim the grinding wheel promptly and correctly﹐It is an indispensable and important link to improve grinding efficiency and ensure grinding quality。Grinding wheel dressing generally involves turning﹑With a diamond roller﹑Grinding and rolling, etc。 ①Turning finishing method﹕To single grain diamond(Or diamond pens made of fine diamonds﹑Diamond dressing block)As a tool turning wheel﹐It is the most commonly used dressing method(figure1 Turning and dressing wheel diagram )。Install in
2015-02-04 Reading quantity 2785
introduction：On the basis ofIKObearing[IKObearing:IKONeedle roller bearing with its special internal structure to achieve the mechanical design of small、Light weight。Guideway bearings are based on the high quality given by needle roller bearings，Precision machining with unique mechanical equipment，Evaluate the quality of the latest machines，Products always maintain high performance and high quality level。]Formation mechanism of grinding metamorphic layer on working surface，The main factors affecting the grinding metamorphic layer are grinding heat and grinding force。 1.Grinding heat In grinding process，Grinding wheel and workpiece contact zone，Consumes a lot of energy，Generate a lot of grinding heat，Cause local instantaneous grinding zone
2015-02-04 Reading quantity 1544
introduction： The development of electric forklifts The development of Chinas electric forklift industry is not difficult to find，Electric forklift products and forklift industry are in maturity。From the domestic situation，Electric forklift products and the electric forklift industry are still in a period of development，Product technology still needs to be developed and perfected；The range and usage of products have not been sufficiently expanded。 At the same time，The competition in the electric forklift market is becoming increasingly fierce，Foreign companies have captured the high-end market，And began to attack the low-end market。Faced with development opportunities and fierce competition，Electric forklift products not available
2015-02-04 Reading quantity 2766
introduction：As the latest generation of CNC programming software，Processing for 3D solid features isEdgeCAMThe main areas of promotion and application。At present, it not only has more than 40,000 legitimate users around the world，And it is the worlds largest installed education industryCAMsoftware。British routing company1994Began working with Microsoft in 2001WindowsPlatform developed software since，Has been committed to CNC programming in the field of new technology exploration and research；With intelligent CNC programming system-EdgeCAMMature and recognized by the international market，The British Path company will be newly invested in the development and operation of the Chinese market，domestic
2015-02-04 Reading quantity 2784
introduction：840DfigureNCThe system is used for a variety of complex processing We highlight the productsSINUMERIK 840D，Its on a complex system platform，Suitable for various control technologies through system Settings。840DwithSINUMERIK_611Digital drive system andSIMATIC©7Programmable controller together，Constitute a full digital control system，It is suitable for the control of various complex machining tasks，It has better dynamic quality and control precision than other systems。 Standard control systems are characterized by a large number of control functions，Like drilling、turning、milling、Grinding and special control
2015-02-04 Reading quantity 2795
introduction：A lot of new people ask，About bearing change[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]A problem of...，is-5fleece？still-7fleece？Novices will also blindly worship something about ceramic bearings，What I am explaining here is，In fact, bearings need many aspects of consideration to confirm whether they are suitable for themselves。 Rookie Mistake # 1：
2015-02-04 Reading quantity 1544
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