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  • KOYO needle roller bearings use heat judgment inspection method

    introduction:The solution provided is processed,But probably becauseKOYObearing[KOYObearing:kOYOBearings are generally required to bear large loads,Often without a cage,Instead, fill the inner and outer raceways with rolling elements。And most small and medium-sizedKOYORolling bearings are equipped with retainers。 inKOYOBearing in the processing process,The outer ring of the bearing、Inner ring、How do the roller and cage fit together。]The causes of fever vary,So the solution is different,So its still case by case,Complete with the help of a technician。 If you look at the trajectory carefully,the

    2015-02-11 Reading quantity 1569

  • Spherical roller bearing supplementary code description

    introduction:Spherical 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。]Supplementary code,Suffixes are used to identify certain characteristics of spherical roller bearings,Which includesSKFOpen design of spherical roller bearings,Sealed spherical roller bearing,Bearings for vibrating machinery: C2:The radial clearance is smaller than that of the normal group C3:The radial clearance is greater than that of the normal group

    2015-02-11 Reading quantity 1570

  • Corrosion phenomenon

    introduction:1.pitting The excellent corrosion resistance of stainless steel is due to the formation of an invisible oxide film on the surface of the steel,Make it blunt。The passivation film is formed because the steel reacts with oxygen when exposed to the atmosphere,Or as a result of contact with other oxygen-containing environments。If the passivation film is destroyed,Stainless steel will continue to corrode。In many cases,The passivation film is destroyed only on the metal surface and locally,Corrosion works by forming tiny holes or pits,The surface of the material produces irregular distribution of small pitting corrosion。 2.Factors that cause pitting corrosion The pitting corrosion is likely due to the presence of chlorine combined with the depolarizer

    2015-02-11 Reading quantity 1474

  • Diamond polishing should pay attention to the following points

    introduction: (1)This polishing must be carried out under light pressure as much as possible, especially when polishing pre-hard steel parts and polishing with fine grinding paste。In use#8000Polishing paste when polishing,Common loads are100~200g/cm2,But it is difficult to maintain the accuracy of this load。To make it easier to do that,A thin, narrow handle can be made on the wooden strip,Like adding a piece of copper;Or cut a part of the bamboo strip to make it softer。This helps control the polishing pressure,To ensure that the mold surface pressure is not too high。 (2)When using diamond grinding toss

    2015-02-11 Reading quantity 1518

  • When choosing NSK bearing fit, we should pay attention to the following four points

    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。]The function of matching is to make the bearing stationary ring and rotating ring respectively with the stationary part of the installation part(Usually a bearing seat)And rotating part

    2015-02-11 Reading quantity 1670

  • How to classify rapid prototyping technology

    introduction: Rapid prototyping technology can be divided into two categories according to the molding method:Forming technology based on laser and other light sources(Laser Technology),Such as:photocuring(SLA )、Layered physical manufacturing(LOM)、Selective laser powder sintering(SLS)、Shape deposition molding(SDM)Etc.;Injection based molding technology(Jetting Technoloy),Such as:Melt deposition molding(FDM)、Three-dimensional printing( 3DP )、Heterogeneous jet deposition( MJD )。The following is a brief introduction of the more mature processes。

    2015-02-11 Reading quantity 2851

  • Product Design Enhancements -NX3 Product Introduction

    introduction: What is it? In the core areas of product design,NX3 For the needs of thousands of users,The breakthrough enhancement of user interaction function is realized,Enable designers to handle their daily tasks more efficiently and effectively。From core modeling functions to complex assembly designs,NX3 Take user usability and productivity to the next level。 Companies or organizations focus on production processes and cost reduction at the same time,Product innovation continues。 NX 3 Provides all that is needed for these activities,A complete set of tools,Enable users to

    2015-02-11 Reading quantity 2900

  • Type of coupling

    introduction:The types of couplings are: LS1Uniformed coupling; LS2One piece elastic coupling; LS3Cross slide coupling; LS4Bellows coupling; LS5Diaphragm coupling; LS6Bellows expanded sleeve coupling; LS7Keyway diaphragm coupling; LS8Single and double diaphragm coupling; LS9Rigid coupling; LS10A plum coupling; LS11Coupling with expansion sleeve; LS12Diaphragm expansion sleeve coupling, etc Common coupling classification and performance introduction one、Flange coupling Flange coupling(

    2015-02-11 Reading quantity 1660

  • Lubrication management and application requirements of oil film bearing oil

    introduction:(one)、Oil film 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。]Oil lubrication management: Data show that,The main cause of mechanical failure or early wear,More than half are related to lubrication technology management。Good lubrication management,Guard bearing、Abrasion or sintering of friction moving parts such as gears,Prevent and reduce wear and tear,antifriction

    2015-02-11 Reading quantity 1557

  • Air motor

    introduction: Pneumatic transmission A pneumatic actuator that converts the pressure energy of a compressed gas into mechanical energy and produces rotational motion。The commonly used pneumatic motor is a positive displacement air motor,It uses the volume change of the working chamber to do work,Split blade type、Piston type and gear type。figure[Schematic diagram of vane type air motor]Diagram of vane type air motor。The rotor is mounted in an eccentric stator。The blade is installed in the radial groove of the rotor,Bottom spring,The space between the stator and the rotor is divided into a number of cheap rooms。When compressed gas comes from the air intake AEntering the air chamber,Drive rotor rotation,Exhaust gas is discharged from the exhaust port,Residual gas from the outlet

    2015-02-11 Reading quantity 2806