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introduction：Vibration and dryness are the two major public hazards of construction machinery。Engine is the main vibration source of construction machinery。The transmission of engine vibration directly affects the reliability and service life of construction machinery，At the same time, it also makes the drivers riding comfort worse，Reduce work efficiency，Some effective methods must be taken to reduce vibration。 one、Vibration source control Vibration source control is integrated into the design、The whole process of manufacture and even use，This is reflected, for example, in improved engine balance、Dynamic performance、Parts processing and assembly accuracy, etc。There are various forms of vibration in engine operation，The main reasons are：Engine weight
2014-12-11 Reading quantity 1529
introduction：Decision 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 many factors in the length of service life，But there are roughly two kinds，The first is the internal cause（KOYOFactors of the bearing itself)，The other thing is bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is used to fix and reduce load friction during mechanical transmission
2014-12-11 Reading quantity 1546
introduction：Also known as the all-Soviet transportation Engineering Research Institute，It is a comprehensive scientific research institution of the Soviet Railway infrastructure Department，It was also a scientific research center for the construction of railways in the Soviet Union。Its main task is to solve the railway(Including the subway)Survey of new line construction and old line reconstruction、design、Construction and other aspects of theory and application problems，And research engineering economy and other aspects of the subject。In addition，It also undertakes the task of training the doctor and deputy doctor of science and technology。 Institute of science1950Established in，The hospital is located in Moscow。It was formerly the Railway Construction and Design Institute of the Ministry of Communicationss All Cycads Transportation Science Research Institute,1954years8
2014-12-11 Reading quantity 2868
introduction：To be based on no use as well as 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。]Sense of proportion and type，Choose the appropriate device method（Mechanical or hydraulic）And machine。The smooth cycle originates from the operating environment，Similarity measure、Rotational speed、Conditional scheduling。The frequency of review and protection should originate from the general use of the main nature and the operating cycle of each facility
2014-12-11 Reading quantity 1605
introduction：(1)Check the motor in operation。The motor is in operation，Double row angular contact ball bearings should be carefully listened to[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。]Some have no abnormal noise。Upon inspection，You can put the head of a screwdriver onTIMKENbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Its a mechanical transmission
2014-12-11 Reading quantity 1594
introduction： Mount on shaftFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]Inside coil time，It is usually fixed on one side by the shoulderFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]The position of...，And the other side uses nuts、Lock washer or spring stop ring, etc。Axle shoulder and axial fixing parts withFAGbearing[FAG
2014-12-11 Reading quantity 1635
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 coordination of the inner ring with the shaft and the outer ring with the seat hole，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 the other parts are on the shaft each other
2014-12-11 Reading quantity 1571
introduction： A document used in architectural design to determine the cost of a construction project，Is an integral part of the architectural design document。The general practice in China is to prepare budget estimates at the preliminary design or technical design stage,Budgeting during the construction drawing design phase;Generalization of the former，The latter is more detailed。 effect Architectural design estimates are the cost of determining a design，As a document submitted to the relevant units for approval of investment。After approval，According to this, the economic rationality of architectural design projects can be evaluated,
2014-12-11 Reading quantity 2892
introduction： 【Feng Ye mall clutch factory】An electromagnetic brake is a connector that transmits the torque on the active side to the passive side,Free to combine as needed,Cut off or brake,Because of the use of electromagnetic force to operate,Called electromagnetic clutch,brake,Has fast response speed,Simple structure and other advantages。 The electromagnetic clutch is dry class so the torque is communicated quickly，Convenient movements can be achieved。Good heat dissipation，And they use high-grade materials，Even at high frequencies，High energy use，Also very durable。Ball bearing[bearing:bearing（“Bear
2014-12-11 Reading quantity 2907
introduction：There are many types of silver rails，tetragonal，flanged，High assembly，Floor assembly。But many friends do not know how to look at the silver rail model，So many friends want to ask，Silver mounting railEGStand for？HGWhat does it mean？Whats the difference between them？today，Here is the answer。
2014-12-11 Reading quantity 67931
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