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introduction： Mechanical parts play a vital role in the use of machinery，Therefore, we must carry out regular maintenance and maintenance，In order to improve the performance of mechanical equipment，Prolong the service life of mechanical parts，When the machine stops，Mechanical components need to be tested for correlation，To ensure the safe use of parts。 1、Holding 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，Used to reduce power transmission
2014-12-18 Reading quantity 1496
introduction：While the institution is operating，Install rod end joint 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。]The parts are allowed to have a certain temperature，When the body shell is touched with the hand，It is normal not to feel hot，On the contrary, it showsSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fa
2014-12-18 Reading quantity 1453
introduction： Electric forklift in the future development space China is in a stage of rapid industrialization and urbanization，Serious environmental damage，Air pollution is even more alarming，Environmental pollution leads to frequent natural disasters。So the issue of environmental protection has been paid more and more attention by the country and people。There is a growing awareness of actively promoting and promoting the use of renewable energy sources，Develop with low energy consumption、Low pollution、A low-carbon economy based on low emissions，It is an inevitable choice to achieve sustainable social and economic development。 Therefore, the upgrading of forklift industry power is inevitable，While electric
2014-12-18 Reading quantity 2792
introduction：The working conditions of gear reducer are complicated、Time-varying load、Frequent state changes，The fault mechanism and fault performance of gear reducer are varied，Instead of using the second orderVolterraKernel function can be used for fault analysis of gear reducer。Today GE is going to talk to you about second orderVolterraApplication of kernel function in crack fault diagnosis of gear reducer。 second-orderVolterraThe core idea of crack fault diagnosis of gear reducer with kernel function is：As long as the changes in the transmission characteristics of the nonlinear part of the system are sensitive to potential faults，Then transmit characteristic through the nonlinear part of the monitoring system
2014-12-18 Reading quantity 2794
introduction：1.Precision improvement method IKOAfter the bearing is installed in the main machine，Such as measuring the radial runout of the spindle，It can be found that the measured value of each turn has a certain change；When measuring continuously，It can be found that after a certain number of revolutions，This change is approximately repeated。The index to measure the degree of this change is the rotation accuracy of the cycle，The variation is approximately repeated by the number of revolutions required to represent the accuracy of the cycle rotation“quasi-periodic”，The amplitude of the magnitude change in the quasi-period is large，That is, the cycle rotation accuracy is poor。 If the main shaft is properly preloaded，Gradually increase the speed to close to the working speed，To implement bearing[bearing:bearing（
2014-12-18 Reading quantity 1459
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。]In addition to excellent quality，Its a very sophisticated part，Both are high-performance imported bearings[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。]，If used improperly in the course of use，overreach
2014-12-18 Reading quantity 1461
introduction：Weight at the end of the foot type queen bed mounted cycloidal pin wheel deceleration Basic Law of legislation cycloidal flanges biaxial loading speed machines BWYReclining at the end of the foot specific motor directly mounts the hook cycloidal pin wheel deceleration Lee JaeBLYFlange direct type specific motor cycloidal pin wheel deceleration BWDRecumbent at the end of the pin type motor is mounted directly with hooks for ordinary cycloidal pin wheel deceleration Occult-blood legislation mounting flange motor directly hook ordinary cycloidal pin wheel deceleration 2 XSeries cycloidal pin wheel deceleration XWReclining at the end of the foot type biaxial load in the cycloidal pin wheel deceleration Li Yi flange biaxial loading cycloidal pin wheel reduction
2014-12-18 Reading quantity 2801
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。]As the main components of the locomotive，Especially traction motors、Axle box 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
2014-12-18 Reading quantity 1467
introduction：Tool steel has good strength、toughness、hardness、Wear resistance and tempering stability。It is mainly used to manufacture various cutting tools、Forming tools and measuring tools。 （1） hardness Tools made of tool steel have a high enough hardness after heat treatment，Tools for metal cutting are generally used inHRC60above。The tool is subjected to heat conditions at high cutting speeds and high temperatures generated by machining hard materials，It can still maintain high hardness and good red hardness。Carbon tool steel and alloy tool steel generally in180℃~250℃、High speed tool steel in600℃About the operating temperature，Can still remain high
2014-12-18 Reading quantity 2826
introduction： Use the lever principle to turn the bolt﹑Screws﹑Hand tools for nuts and other threaded fasteners。A wrench is usually provided with an opening or sleeve hole for holding a bolt or nut at one or both ends of the handle。Apply an external force to the shank along the direction of thread rotation when in use﹐You can turn a bolt or nut。 Wrenches are usually made of carbon structural steel or alloy structural steel。figure Spanner of all kinds Several commonly used wrench types。 Blind wrench One or both ends are provided with openings of fixed size﹐Used to twist a certain size
2014-12-18 Reading quantity 2863
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