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introduction：Roller 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。] Short cylinder﹑A rolling bearing with a cone or waist drum roller as a rolling body。Roller bearings are mainly centripetal short cylindrical rollers﹑Double row centripetal spherical roller﹑Conical roller and thrust roller and other structural types。 Radial short cylindrical roller bearing﹕The rolling element is less than the ratio of length to diameter
2015-02-23 Reading quantity 2871
introduction： adjustable spanner Adjustable wrench angle cutter Angle milling cutter anvil iron arbour mandrel backing gasket belt sander Belt sander buffing polishing chamfering machine Chamfering machine chamfering tool Chamfering tool chisel Flat chisel chuck jig compass square concave cu
2015-02-23 Reading quantity 2923
introduction：With the promotion of policies and the strong paving of operators，Peoples entrance into our country4GThe pace of The Times has obviously quickened。before，China Mobile4GThe network plans to invest around the year417100 million yuan construction20Ten thousandTD-LTEBase station，whileTD-
2015-02-23 Reading quantity 78001
introduction：1、 Low noiseNSKbearing[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 installation and adjustment can also imitate the grouping method of long-life bearings，The size of fit interference is more consistent，NSKshaft
2015-02-23 Reading quantity 1459
introduction：So-called 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。]The condition of a burn injury is: INABearing raceway wheel、The rolling element and cage heat up rapidly in rotation until they change color、malacia、Melting and damage。 The main cause of cylindrical roller bearing burn is due to poor lubrication of bearings，Irregular lubrication may have been used
2015-02-23 Reading quantity 1530
introduction：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。]It is a registered trademark of Thomson Corporation of Japan，Is a technology and technology development oriented industrial parts manufacturer，The products are mainly needle bearings and guideway bearings。 IKObearing[IKObearing:IKONeedle roller bearing with its special internal structure to achieve the mechanical design of small、
2015-02-23 Reading quantity 1450
introduction：1. raceway raceway 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。]The surface of the load bearing part，A rolling track used as a rolling element。 2. Straight raceway straight raceway The bus bar in the plane perpendicular to the rolling direction is a straight raceway。 3. convex
2015-02-23 Reading quantity 1404
introduction： KOYObearing[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 method of Bearing installation is good or not，It will affect the accuracy of the bearing、Life and performance。therefore，Please fully study the installation of bearings，Please follow the operating standards including the following itemsKOYOBearing mounting。
2015-02-23 Reading quantity 1547
introduction：According to incomplete statistics，The highest failure rate of the fan in cement plant is when the vibration is abnormal58.6％，The vibration will cause the fan to run unbalance。among，TIMKENbearing[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。]Improper adjustment of tight sleeve fit，It will cause abnormal temperature rise and vibration of the bearing。For example, a cement factory is in the process of equipment maintenance
2015-02-23 Reading quantity 1449
introduction：1、The characteristics of sleeve parts Acts as a support and guide in the machine，Mainly by the end face、excircle、The inner hole is composed、The wall thickness of the parts is thin，Prone to deformation，The diameter of a general part is greater than its axial size。 2、Technical requirements for nesting parts The cylindrical surface of the shell parts is mostly used for interference or excessive matching with the frame or box holes to support it。The inner hole mainly plays a guiding role or a supporting role，Often with the axis of motion，Principal axis，piston，The slide valve fits，The end face or flange face of some sleeves has the function of positioning or supporting load。 The hole and the outer circle generally have high coaxiality requirements；The surface of the inner hole itself is fine in size
2015-02-23 Reading quantity 1516
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