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introduction：Rolling 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，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Materials include materials for rolling bearing parts and cages、Rivets and other auxiliary materials。Rolling bearings and their parts are mostly made of steel，The steel used for rolling bearings is usually high carbon chromium steel and carburized steel。With the development of modern science and technology and the use of rolling bearings is increasing，To the bearing
2015-01-05 Reading quantity 1572
introduction： Powder metallurgy is the processing method of preparing metal powder and making metal powder or a mixture of non-metal powder into products by forming and sintering processes，Special materials that are difficult to be prepared by ordinary melting methods can be prepared，It can also manufacture various precision mechanical parts，Save labor and materials。However, its mold and metal powder costs are higher，Do not use when the batch is small or the product size is too large。Powder metallurgy materials and processes compared with traditional material processes，Have the following characteristics： Powder metallurgy is the processing method of preparing metal powder and making metal powder or a mixture of non-metal powder into products by forming and sintering processes，attainable
2015-01-05 Reading quantity 1458
introduction：The clutch cannot be smoothly connected，Make the body emit unpleasant vibration and noise。 Fault cause （1）Separate 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，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Severe wear or lack of oil，Bearing return spring is too soft、Snap off、Fall off。 （2）The pressure plate is warped，Pressure disc spring is broken。 （3）clutch
2015-01-05 Reading quantity 2804
introduction：An electronic fresh-keeping machine was made in France。Keep this machine in the fruit and vegetable pantry，Can be made to store fruits and vegetables inside75The day is as fresh as the first pick。The preservation machine uses the negative oxygen ions and ozone generated in the negative electrostatic places of high cities to achieve the purpose of preservation：The negative oxygen ions can purify the enzymes of the metabolic process of fruits and vegetables，Thereby reducing the respiration process of fruits and vegetables，Reduce the production of fruit ripening agent ethylene；Ozone is a powerful oxidizing agent，It is also a good disinfectant and fungicide，It can kill and eliminate microorganisms and poisons secreted on fruits and vegetables，Inhibit and delay the decomposition of organic matter，Thus extending the storage period of fruits and vegetables。
2015-01-05 Reading quantity 2822
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。]During installation，If the manner or method of installation is improper，It will cause the thrust ball bearing to be installed and disassembled，It causes linear scars on the raceway surface and rolling surface of the bearing。 The reason for the appearance of scars is mainly because the bearing is installed、Disassembly time，Inner ring of bearing
2015-01-05 Reading quantity 1571
introduction： 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，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Steel is a type of steel with strict quality requirements。At present, the requirements for bearing steel are：User free processing and inspection、Improve the quality、Specification refinement and improve dimensional accuracy，moreover，The importance of these requirements is growing。To meet these requirements，JFEVarious kinds of steel are used to make steel
2015-01-05 Reading quantity 1473
introduction： NSKbearing[NSKbearing:Seiko Co., LTD（NSK LTD.）Be established in1916years，It is the first manufacturer to design and produce bearings in Japan。NSKThe function of the bearing fit is to makeNSKThe stationary ring and rotating ring of the bearing are respectively the stationary part of the installation part(Usually a bearing seat)And rotating part(Usually an axis)Solidify together，Thus, the basic tasks of transferring the load in the rotating state and defining the position of the moving system relative to the stationary system are realized。]Bearing configuration also has a great impact on bearing rigidity
2015-01-05 Reading quantity 1469
introduction：QYZ-40WDeep hole drilling system for a wide range of applications，Easy and flexible installation，Easy to operate。Configurable in boring machine，lathe，Milling machine，Machining center。Easy machining of deep holes with ordinary machine tools。The following describes several configuration methods。 1、Lathe configuration scheme There are two ways to choose： Workpiece rotation； If the workpiece is a rotating part，The holes to be machined are concentric holes，The workpiece rotation is the first choice for transformation。 The workpiece is held with a three-jaw chuck of the machine tool，If the workpiece is longer, it needs to be supported by the center frame。The tool is fixed on the square knife
2015-01-05 Reading quantity 2895
introduction：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。]The outer packaging is clear In general，Imported bearings of the factory brand[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。
2015-01-05 Reading quantity 1463
introduction： 1. G0 The state of：with HighLight(Express curve)analyze The line segments are discontinuous where they intersect 2. G1 The state of：Gauss analysis intersection，There are distinct color boundaries produced 3. G2 The state of：Gauss analysis The intersection is very smooth「Shaded colour」 In fact, general electronic products，As long as it is possible G1 Be enough If one mustG2If...，Sometimes the surface will wobble This is the time to use R
2015-01-05 Reading quantity 2865
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