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introduction：The oil leakage of reducer is a very common and difficult problem for reducer manufacturers。solution： 1、The choice and quality of the oil seal is the most important，It is recommended to use products from world-class manufacturers； 2、Matching choice of sealing surface； 3、The hardness of the sealing surface is greater than45HRC； 4、The processing of sealing surface should prevent the appearance of grinding grain； 5、roughness0.8around； 6、Other sealing structures； 7、Prevent pressure oil from impacting oil seal； 8、Maintain internal and external pressure balance。
2015-01-29 Reading quantity 2831
introduction：Mining, loading and transportation of natural building materials such as soil, sand and stone、discharge、spread、Compaction works。In hydraulic engineering，Earth and rock filling is mainly used to build embankments、dyke、Earth and rock cofferdam、Earth-rock DAMS and other buildings。Requirements according to terrain、Soil material property、Soil layer distribution、Engineering property、Quality requirement、Time limit for construction、Quantity of work、Haul distance、Mechanical properties，Reasonable layout of the construction site、way,Select model、Quantity of machinery,Each process is connected and matched，Guarantee project quality，The rate of、Organize construction at low cost。 Earth has long been used to build embankments and embankments。In the Warring States Period, China had already built a large scale dike on the Yellow River
2015-01-29 Reading quantity 2852
introduction：Powder metallurgy oil 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。]Generally speaking, it is mainly pressed with raw material powder，sintering，plastic，It is made of oil immersion and other processes。Todays machines are mostly highly automated。The daily output is relatively large，Most products take shape in one go，Therefore, the larger the batch, the better the production。And the molds we use now
2015-01-29 Reading quantity 1508
introduction：Maintain the bearing well[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。]isinaThe necessary conditions for the operation of combined needle roller bearings，The common maintenance is for the lubrication of bearings，How to choose the lubrication method of bearings in Reading，Under the premise of understanding the lubrication method of bearings，It is also necessary to understand the maintenance of bearing systems，Lets take a look at it
2015-01-29 Reading quantity 1470
introduction：(1) Choose one with high load capacityIKOBearing type IKOBearing selection should take into account the 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 price of，Or use higher load capacity but more expensiveIKObearing，Or just plainIKOBearing while also trying to extend its life。Use those with high load capacityI
2015-01-29 Reading quantity 1565
introduction： （1）Machine tool：Centerless grinding machine （2）Processing method：Longitudinal grinding、Cross grinding 1.Centerless longitudinal grinding method The big wheel is the working wheel，Cutting action。The small wheel is the guide wheel，Non-cutting capability。The two wheels are formed with the support plateVThe shape positioning surface holds the workpiece。Because the axis of the guide wheel and the axis of the grinding wheel tiltβAngle（ β＝1°～6°），vDecompose intovWorking harmonyvInto the。 vThe worker drives the workpiece to rotate， vThe advance drives the workpiece to move axially。In order to make the guide wheel and the workpiece straight contact，Trim the busbar on the circumferential surface of the guide wheel into a hyperbola。The centreless longitudinal grinding method is mainly used for grinding slender smooth shafts in mass production、dowel、
2015-01-29 Reading quantity 1487
introduction： Maintenance of electric forklift Forklifts with different fuels，The wear experienced by electric forklifts during operation is very small。This is due to a fact，That is, an electric engine has fewer working parts，Need lubrication，To prevent wear。This means you will encounter a lower need for electric forklift maintenance。however，Still be sure to follow care and maintenance，To reduce the need for electric forklift maintenance。 Its like a car engine。You need to ensure that the electric forklift receives a regular maintenance。When you buy an electric forklift，Will give you an hour
2015-01-29 Reading quantity 2808
introduction：Due to the relative motion of rolling element and raceway and the intrusion of pollutant dust，Wear the surface of the rolling element and raceway。When the amount of wear is large，Yes 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。]、noise、Vibration augmentation，The running accuracy of the bearing is reduced，Therefore, it directly affects the accuracy of some hosts。So for some silent mechanical bearings
2015-01-29 Reading quantity 1554
introduction： one、 Great attention must be paid to improvementINAbearing[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 importance of clearance pass rate INAOne of the main quality indexes of bearings is radial clearance。Radial clearance is in the finger、Total clearance between the outer ring channel and the rolling element in the diameter direction。 therefore，
2015-01-29 Reading quantity 1714
introduction：The use factor mainly refers to the installation adjustment、Service and maintenance、Whether the maintenance and repair meet the technical requirements。Installation conditions are one of the first factors in use，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。]Often due to improper installation resulting in a complete setTIMKENThe stress state of each part of the bearing changes，Bearings in abnormal
2015-01-29 Reading quantity 1469
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