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introduction：IKOCylindrical roller 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。]The fit with the shaft is generally a transitional fit，The fit between the seat ring and the bearing seat hole is generally a clearance fit,The central shaft ring of the bidirectional bearing shall be fixed on the shaft，To prevent rolling relative to the axis。If its upside down，Not only the bearings are not working properly，And each mating surface will suffer severe wear。box
2015-01-11 Reading quantity 1555
introduction： During the assembly process, Bearings can also be checked[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。]Quality of material, Thus identify the quality of the bearing。When the bearing inner ring is mounted on the shaft, Under normal operating conditions, If the bearing material is not qualified, Due to the inner ring stress deformation, It will cause the deformation of the support or the change of the clearance
2015-01-11 Reading quantity 1658
introduction：Process equipment for making core sand into core。Available from wood、plastic、Made of metal or other materials。When designing the core box，According to the characteristics of the core、Production volume and production conditions and other factors to determine the core box material and its structural form。figure[Core box and core]The core box is a five-way valve body core and a manufacturing core。The structure of the core box is relatively simple，Suitable for manual core making。The vertical part of the core is composed of two loose pieces，To avoid breaking when opening the box。A core box made on a jolting machine，There should be a fixed device suitable for the core machine surface，Generally, it is also equipped with a core plate to undertake the core。With a core shooter（See core making machine）A core box
2015-01-11 Reading quantity 2819
introduction： Different segments of the electronic information industry focus on different requirements for CNC machine tools：From the electronic information industry subdivision industry view，Different industries have different requirements for CNC equipment, especially CNC machine tools。Electronic information industry is a specialized industry with a very fine division of labor。Most electronic information industry machine itself metal processing workload is not large，However, due to the rapid development speed and large scale total，The electronic information industry is gradually becoming one of the important user industries in the machine tool market。 Instrument materials in electronic special equipment、Electronic components product field，The demand for CNC machine tools is relatively large，Mainly purchased to be able to process small
2015-01-11 Reading quantity 2912
introduction： Control the level of detail the surface displays，When the coloring model is dynamically oriented，It can reduce the computation of the system。The result is that the model motion appears smoother，The synchronicity of the driving forces is better。The level of detail used in the model (LOD) The efficiency depends on the configuration of the system。 We must be aware of these three defining elements before optimizing the model 1、Optimization objective（Goal）－－Its the unquantifiable design result that we want。The target must be unique.。 2、Design constraint（Design Constraints）－－Is the whole research
2015-01-11 Reading quantity 2973
introduction： The importance of electric forklift is introduced，The following Fengye mall clutch is introduced to you in the electric forklift industry development prospects。 The competition in the international forklift market is intensifying，Experience of our country4The high growth of the year is not only in the international market，And in the domestic market，Development prospects remain optimistic。But foreign firms have captured the top end of the market，And began to attack the low-end market。In the face of development opportunities and fierce competition，The future development trend of domestic forklift products should be highly concerned。 Here are five trends for electric forklifts。
2015-01-11 Reading quantity 3261
introduction：1、Imported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap。]Thrust angular contact ball bearing Thrust angular contact ball bearing contact Angle is generally60°The commonly used thrust angular contact ball bearings are generally two-way thrust angular contact ball bearings，Mainly used for precision machine tool spindle，It is generally used with double row cylindrical roller bearings，Can withstand two-way axial load，With high precision，Good rigidity，Low temperature rise，High speed of revolution，Convenient installation and disassembly。
2015-01-11 Reading quantity 1688
introduction： Through the analysis of lubricating oil pollution of internal combustion engine，The types and hazards of lubricating oil pollutants are described，The basic measures and problems to be paid attention to to prevent pollution are put forward。 Basic measures to prevent pollution of internal combustion engine lubricating oil The lubricating oil lubricates the internal combustion engine、seal、Cleaning and cooling。If the lubricating oil fails, it will accelerate the wear of the parts，It even led to the accident of burning tile and pulling cylinder。This article describes how to effectively prevent lubricating oil pollution，Extend its service life，Reduce wear and tear of parts，Prevent accidents from happening。 1Types and hazards of lubricating oil pollutants
2015-01-11 Reading quantity 1586
introduction：1．Install the workpiece in a double center or one clip at a time Install one clip at a time：The outer circle of one end of the shaft is clamped with a chuck，The installation of the workpiece with one end of the tail seat center against the center hole。This installation method can improve the clamping stiffness of the shaft，At this time, the outer circle of the axis and the central hole are used as the positioning base plane，It is often used in long axis machining and rough turning machining。 Double center mounted：Drill center holes at both ends of the solid shaft，A cone plug or cone sleeve mandrel with a central hole is installed at both ends of the hollow shaft，Workpieces are installed with center holes at both ends of the spindle and tailstock center shaft of the lathe。 2．Workpiece clamping and alignment with center frame When machining the workpiece with the center frame
2015-01-11 Reading quantity 1463
introduction： Planar sheet structure with thickness much less than the minimum planar size。Board for short﹐lamina﹑Medium and thick plate。Sheet refers to thickness(t)The ratio to the minimum plane size of the plate is less than0.125The board of。Greater than0.125The board of﹐Generally, the deformation caused by the transverse shear is of the same order as the bending deformation﹐Therefore, the transverse shear effect must be taken into account in the analysis﹐It is called medium-thick plate。In hydraulic engineering﹐Tablet widely used﹐Like in a sluice﹑Ship lock﹑dock﹑Plane gates and other combined structures﹐It is not...
2015-01-11 Reading quantity 2857
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