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introduction： Contact fatigue failure isIKOImported 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 main form of normal destruction。When the rolling bearing is running，Rolling element inIKOImported 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
2014-12-20 Reading quantity 1535
introduction：Variable pressure foaming technology（VPF）。In the production of soft polyurethane foam。By controlling the foaming environment pressure，The technology that can produce foam products of various densities without any auxiliary foaming agent is called pressure swing foaming technology。The foam density produced by pressure swing foaming technology is generally in the range of10-80kg/m3，Work pressure control in-0.05-0.05MPa(Manometer pressure)。The technology was initially applied to soft foam continuous production lines，Piecewise control，Periodically switch the system pressure in the closed molding channel，Thus achieving horizontal continuous foaming。AmericaFoamexThe company acts as a user with a British equipment manufacturerBea
2014-12-20 Reading quantity 2935
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。]Even though its metal，But it can be damaged，It doesnt matter what kind of hard material it is, you know，Its just a different level of damage，Everybody knowsTIMKENbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is fixed in the mechanical transmission process
2014-12-20 Reading quantity 1619
introduction：normalNSKbearing[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。]The speed limit is always on the model list，What does it mean？ NSKbearing[NSKbearing:Seiko
2014-12-20 Reading quantity 1530
introduction：Outer spherical bearing with seat[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。]Fault analysis，Bearings are an important part of system engineering to improve working surface reliability[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 machines
2014-12-20 Reading quantity 1692
introduction：KOYOImported 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。]Clean with gasoline or kerosene before installation，Use after drying，And ensure good lubrication，KOYOImported 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。]Generally use grease
2014-12-20 Reading quantity 1573
introduction： （one）Test method for flatness 1．Translucency method Use a flat tape to measure，Generally use the blade ruler（Also called straight edge rule）Measuring flatness(See picture7-23)。At check time，Place the ruler vertically on the measured plane，Cutting edge down，Against the light source，Observe the light transmission of the gap between the cutting edge and the plane，To judge the flatness error of the plane。 2．Staining method Apply a very thin layer of display agent to the flat surface of the workpiece（Red print oil, etc），Place the workpiece on the measuring surface，Make the surface of the display agent in contact with the plate，Then hold the work piece with both hands，It moves smoothly on the plate
2014-12-20 Reading quantity 1613
introduction：Compression 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。]There are two types of throttles, fixed throttles and variable throttles，The liquid resistance of the former(Throttle damping)Its fixed，The liquid resistance of the latter is variable。 Static bearing for fixed throttle[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Its a mechanical transmission
2014-12-20 Reading quantity 1614
introduction：Lubricating pairNSKbearing[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。]，Especially the fatigue life and friction of rolling bearings、wear、Temperature rise、Vibration and so on have important effects。There is no normal lubrication，
2014-12-20 Reading quantity 1522
introduction：1 Selection procedure correct、A comprehensive understanding of the machining center is the basis of selection and ordering，To the machining center performance、trait、type、Main parameter、Feature、Scope of application、There are shortcomings and other comprehensive、Detailed understanding and mastery。On the basis of full understanding，It can be developed as follows。 Correct selection of processing objects Select typical processing objects among the many parts produced by the enterprise，Part family selection。The machining center is suitable for many varieties、Small batch production。The formation of batches is not only determined by the geometric size and number of parts，The group nature of the process should also be considered。Using group technology，Can be effectively increased
2014-12-20 Reading quantity 2954
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