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introduction：Shanghai YinKKModule on silverkkModular beds are used only for the machine tool industrys own needs，This also means that the market prosperity of guideway grinding machines is closely tied to the machine tool industry。Shanghai heavy general manager Zhou Xiabo said，Top slave60The production of guideway grinding machine began to
2015-02-14 Reading quantity 80668
introduction： Standard number Standard Chinese name Standard English name DL/T716-2000 Power station diaphragm valve selection guidelines GB/T12239-1989 Universal valve diaphragm
2015-02-14 Reading quantity 2967
introduction：Many friends have a lot of questions about preloading，Dont understand what preloading is？Why preload，How to achieve preloading，How to determine the pre-pressure。
2015-02-14 Reading quantity 14072
introduction：1、IKObearing[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。]breakdown。Should be replaced。 2、rollIKObearing[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，most
2015-02-14 Reading quantity 1559
introduction： In the planar linkage mechanism，If the rocker or slider is the active part，When the other two moving members are in the same straight line position，No matter how much driving force,Cant get the mechanism started。As in the crank rocker mechanism（figure1[Dead center of the crank and rocker mechanism]）In the，When the rocker is active and the crank is in two limit positions in line with the connecting rod(DC1B1AandDC2B2A)when，The force transmitted by the connecting rod to the crank cannot produce a moment to turn the crank。Slider mechanism in crank（figure2[Dead center of the crank slider mechanism]）In the,There are also two dead spots when the slider is active（CBAandC1B1A）。
2015-02-14 Reading quantity 2792
introduction：Siwei'erdeluofusike 斯维尔德洛夫斯克 Sverdlovsk 苏联乌拉尔地区最大城市和工业、交通、科学文化中心，俄罗斯联邦斯维尔德洛夫斯克州首府。位于中乌拉尔山脉东麓伊谢季河畔。面积400平方公里。人口130万(1985)。1723年建炼铁厂，并成为要塞，命名为叶卡捷琳堡。随后发展成为乌拉尔地区炼铁业中心。1878年铁路由彼尔姆延伸至此,并于1885年东通秋明,南达车里
2015-02-14 Reading quantity 2810
introduction： The change in product size is due to abnormal equipment control、Injection molding conditions are unreasonable、Poor product design and material properties change。 (1)Mold problem： ①Unreasonable mold size；②Product deforms when ejecting；③Uneven molding of the material；④The flow of filling material is interrupted；⑤Unreasonable gate size；⑥Unreasonable diverter size；⑦Abnormal injection cycle caused by the mold。 (2)Equipment problem： ①The feeding system is abnormal(Plunger type injection press)；②Screw stop function is not normal；③The screw speed is abnormal；④Uneven back pressure regulation
2015-02-14 Reading quantity 2788
introduction： in UG/Scenario The commonly used units of material properties are as follows： Metric example British system Metric system Cast steel ( ZG230-450) Youngs modulus ( E ) lb/in**2 mN / mm**2 2~2.2e+8 Shear modulus ( G ) lb/in**2 mN / mm**2 .7~.84e+8 Poissons ratio ( Nu ) dimensionless dimensionless 0.
2015-02-14 Reading quantity 2916
introduction： The purpose of packaging is to protect the product﹐So that it is not damaged during storage and transportation。Packaging sometimes also plays the role of decorating products﹐To boost sales。 category According to the packaging object﹐There are two types of parts packaging and machine packaging。Parts are packaged to protect product accuracy﹐Easy to assemble and install on site。According to the form of packaging, there are inner packaging and outer packaging。Products with simple structure can be packaged at once﹐There are also parts that only need partial protection。Packaging should cater for all kinds of differences
2015-02-13 Reading quantity 2793
introduction：oil-Gas concentrated lubrication system is a new technology developed recently that requires the least amount of oil，Its called rational lubrication，Ensure lubricity and reduce wear，Especially suitable for high-speed rotating rolling bearings[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。]，Can be used in machine tool manufacturing、Textile machinery manufacturing and other industries。oil-Gas concentration
2015-02-13 Reading quantity 1564
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