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introduction：The quenching process is to heat steel toAC3orAC1Some temperature above the point，Hold time，The martensite sum is then obtained by cooling at an appropriate rate（or）Heat treatment process of bainite structure。 The purpose of quenching is to increase hardness、intensity、Wear resistance to meet the performance of the parts。 The quenching process is the most widely used，instrumentlike、Measuring tool、mould、bearing[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，Used to reduce power transmission
2015-02-04 Reading quantity 1515
introduction： 1 GB/T 780-1979 Gasoline engine carburetor outlet flange dimensions Carbureters for automobile engines--Dimensions of outlet flanges 2 GB/T 983-1995 Stainless steel electrode Stainless steel covered electrodes 3 GB/T 984-1985 Surfacing electrode Covered electrode
2015-02-04 Reading quantity 2876
introduction：1.Guiding accuracy Guiding accuracy refers to the accuracy of the moving path of the moving member when it moves along the guide surface of the guide rail。The main factors affecting the guiding accuracy are the geometric accuracy of guide guide surface、Structure type of guide rail、Contact accuracy of guide pair、Surface roughness、Stiffness of guide and support、Oil film thickness and oil film stiffness of guide pair，And the thermal deformation of guide rail and supporting parts。 The geometric accuracy of linear motion guides generally includes：Straightness in vertical and horizontal planes；Parallelism between the two guide rails。The geometric accuracy of the guide rail can be expressed by the error on the full length of the guide rail or the error per unit length。 2.precision
2015-02-04 Reading quantity 1691
introduction：INAbearing[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。]Installation is good or not，It will affect the precision of the combined bearing、Life and performance。therefore，Please fully study the installation of bearings，Please install the bearing according to the operating standards including the following items。 If there is damage on the assembly surface of the shaft and seat hole、burr、Rust spots or solids
2015-02-04 Reading quantity 1543
introduction：What this article introduces isCIMCO DNC-Max A case of successful application of machine tool networking and management system in Dongfang Turbine Plant，Article from the factory equipment networking requirements、Implementation process、The implementation methods and the results obtained are described completely。The article aims at NC machine tool networking or wants to have an in-depth understandingCIMCO DNC-Max The reader of machine tool networking and management system has certain reference value。 Sichuan Deyang Dongfang Steam Turbine Factory is China500One of the largest industrial enterprises，One of Chinas three major power generation equipment manufacturing bases，Ranked among the top 100 industries in China。
2015-02-04 Reading quantity 2780
introduction：Thread milling machine for thread milling。 Thread milling machine is divided into universal thread milling machine、Short thread milling machine、Lead screw milling machine and worm milling machine, etc。The tool holder of this kind of machine tool has the necessary kinematic connection between the spindle of the workpiece to form the thread。Universal thread milling machine（See picture[Universal thread milling machine]）Suitable for machining standard and increased pitch lead screw and multi-head worm with disc milling cutter，It is also usually provided with a kinematic contact mechanism between the milling cutter shaft and the workpiece spindle，The spline shaft and shaft gear can also be processed by hob according to the expansion method,Long keyways can also be milled。The machine layout is similar to that of ordinary lathes,The workpiece is supported in rotating motion between the head frame and the tail seat，Tool rest
2015-02-04 Reading quantity 2798
introduction： from10Mto10G，In just a decade，The development of Ethernet technology has completed an order of magnitude leap，The formation of new high speed Ethernet technology standards，Make Ethernet technology outLANThe small space and can be fully borneWANandMANEqual scale、The construction of long-distance networks。In addition，MPLSTechnology development and rapid self-healingSTPThe gradual maturity of technology，Ethernet technology can make a difference for usersQoSNetwork service，In addition, Ethernet technology itself has low networking cost、Network expansion is simple，Metro Ethernet technology is favored by major domestic operators。
2015-02-04 Reading quantity 2796
introduction：1、The significance of manufacturing informationization is established in our country“Drive industrialization with information technology，Give full play to the advantage of late movers，To achieve leapfrog development of the national economy。”Strategic decision，Informatization is as important as industrialization，It is of great significance to promote the leap-forward development of our economy。Informatization and industrialization are both basic ways to promote economic development，It is a process of continuous development from a lower stage to a higher stage。meanwhile，The development of informatization is built on the basis of industrialization，And can promote the development of industrialization。In general，Industrialization mainly solves the power and mechanical problems in production activities，Both solve people
2015-02-04 Reading quantity 2882
introduction：Rotary table molding machine turntable molding machine Pneumatic jolt molding machine air jarring moulding machine Box molding machine box molding machine Die-casting machine die casting machine Hot chamber die casting machine hot-chamber die casting machine Inertial shakeout machine inertia knock-out grid Pouring ladle
2015-02-04 Reading quantity 2906
introduction：Plastic is also like metal，A wide variety，Although there are only over fifty major categories that have been industrialized，But there are many grades in each category。Such as nylon plastic includes nylon3、nylon4、nylon6、nylon46、nylon66、nylon7、nylon8、nylon9、nylon610、nylon1010、nylon11、nylon12、nylon13、nylon612，nylon9T，nylon13，MCnylon，nylonMXD6 nylon。Each variety can also be modified，Such as adding fillers or reinforcing materials and other auxiliary materials，Or made by blending"alloy"；Or through processing techniques such as directional drawing
2015-02-04 Reading quantity 2876
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