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introduction： First of all，A spindle in a spindleKOYObearing[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。]In operation,To ensure adequate lubrication，And according to the actual use of regular lubricating oil，Do not cut off oil for a long time。therefore，For the user enterprise，Be elected
2015-03-21 Reading quantity 1541
introduction：A non-rigid torque converter using liquid as the working medium，It is one of the types of hydraulic transmission。figure[Schematic diagram of hydraulic torque converter]It is a torque converter，It has a closed working chamber，The fluid circulates through the cavity，Middle pump wheel、Turbine and guide wheel respectively with input shaft、The output shaft is connected to the housing。Power engine(Internal combustion engine、Motor etc)Drive the input shaft to rotate，The liquid is rotated out of the centrifugal pump，Pass the turbine in succession、The guide wheel returns to the pump wheel，It flows around and around。The pump wheel transfers the mechanical energy of the input shaft to the liquid。The high-speed liquid spins the turbine，Transfer energy to the output shaft。The torque converter relies on the liquid to phase the blade
2015-03-21 Reading quantity 2795
introduction：The six-way valve injector is the most ideal injector in liquid chromatography system，It is made of circular gaskets(rotor)And fixed base(stator)Make up。AmericaRheodyneThe companys six-way valve injector is the most versatile，All majorHPLCInstrument manufacturers all use this product as an instrument injector。 Working principle： 1、Handle position injection(Load)Positional time，The sample is injected into the dosing ring by microneedle through the injection hole，After the quantitative ring is filled，Excess sample is discharged through the vent hole； 2、Turn the handle to feed the sample(Inject)Positional time，The valve is connected with the liquid flow
2015-03-21 Reading quantity 2889
introduction：①The heating temperature should be controlled properly，Overheated 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。]Will be damaged，If the temperature is too low, the expansion of the ring is insufficient，The effect is not significant。80～1000℃The amount of thermal expansion of the inner diameter of the inner ring obtained by the heating temperature，This is true for bearings with general interference，Thats enough。 ②
2015-03-21 Reading quantity 1545
introduction： one、Correct installation precisionINAbearing[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。] Precision for installationINABearing products，There are a few things to pay attention to when installing it，If its not installed，Will make the bearing life is not long。So if you want to install it wellIN
2015-03-21 Reading quantity 1540
introduction：1．Forging length dimension inspection Usable ruler、callipers、Universal measuring tools such as calipers or vernier calipers are used for measurement。 2．Forging height（Or transverse dimension）And diameter test Generally, calipers or vernier calipers are used for measurement，As large as a lot，Measurements can be made with special limit plates。 3．Forging thickness inspection Usually measured with calipers or vernier calipers，If the production batch is large，It can be measured by an external caliper with a fan scale The amount。 4．Forging cylindrical and fillet radius inspection Available radius template or outside radius、Inner radius limit template measurement。 5．Inspection of angles on forgings The tilt Angle on the forging，Useable measurement
2015-03-21 Reading quantity 1548
introduction：The technological innovation and growth brought about by the expansion of the market scale of Chinas reducer enterprises is still low level，incomplete，During the 12th Five-Year Plan Period，The lingering financial crisis and European debt doubts have also made the world economy unstable，It has brought certain obstacles to the export of Chinas reducer industry，The market for raw materials such as steel fluctuates，It also increases the production cost of enterprises，Environmental factors that have led to the reconsolidation of the reducer industry。In this situation，Tests and opportunities arise at the same time，It has brought us in-depth thinking about the transformation of reducer enterprises。 As far as the current development of the reducer is concerned，State tax policies and external economic pressures make a whole
2015-03-21 Reading quantity 2857
introduction：This year many reducer companies are complaining about the price of raw materials，Whether the price of reducer products is raised，By how much？ steel The price increase of cast iron and the increase in employee wages will only become more and more serious，Rely on raw materials、The era of cheap labor is over。The problem is not one company，All companies have this problem，No business can live in yesterday。 For example, a business has already done that8years，Have an advantage over others，Since this business is so hard，Why are there so many new companies coming in，Have you thought about it？If everyone goes down，Youre still standing，
2015-03-21 Reading quantity 2773
introduction：known:Motor speedn1=1440r/min，Input powerP=15kw，Gear ratioi=2.8。 one、Calculation of gears In judgment，Decided to use the soft tooth surface drive，Pinion adoption45No. Steel tempered，Average hardness of tooth surface240HBS；Major tooth Cycle operation45No. Steel normalizing，Average hardness of tooth surface200HBS。 Calculation and description Main result 1、 Design according to tooth surface contact fatigue strength (1) Allowable contact stress δHlim=0.87HBS+380(table3-4) Safety factor take Allowable joint
2015-03-21 Reading quantity 2799
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。]The disassembly should be carried out as carefully as the installation。Be careful not to damageTIMKENBearings and parts，Especially the removal of interference fit bearings，Difficult to operate。therefore，Ease of disassembly should be taken into account in the design phase，It is also very important to design and make disassembly tools according to the needs。Taking down
2015-03-21 Reading quantity 1535
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