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introduction： So-called 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。]play，That is, when the bearing is not installed in the shaft or bearing box，Fasten one of its inner or outer rings，Then the amount of movement when the unfixed party makes a radial or axial movement。By direction of movement，It can be divided into radial clearance and axial clearance。 turn
2015-01-09 Reading quantity 1486
introduction： A flat connecting rod mechanism that uses a crank and a slider to rotate and move each other﹐Also known as crank linkage mechanism。In the crank slider mechanism, the member constituting the moving pair with the frame is a slider﹐Through turning pairA ﹑B The member connecting the crank and the slider is a connecting rod(figure1 Crank slider mechanism schematic )。When the mechanism moves﹐Hinge center B The trajectory of the crank does not pass through the center of rotationO ﹐It is called an offset crank slider mechanism(figure1a Crank slider mechanism schematic )﹐Where is the offset。Such as taking different components for the frame﹐A rotating guide bar mechanism can also be obtained(figure1b Crank slider mechanism schematic )﹑crank
2015-01-09 Reading quantity 2806
introduction：appendMnSEqual second phase particles are a common means to improve the machining properties of powder metallurgy products，Some studies even think that the addition of prealloy powderMnSPowder is the best way to improve the machining performance of powder metallurgy parts。Interpretive additionMnSThere are two main theories for improving the machinability of materials:Currently generally acceptedMnSThe explanation for improving the machinability of materials isMnSThe materials machinability is improved，considerMnSLubricate between the cutting tool and the debris;And the other theory is that:The energy lost on the cutting tool and chip surface only accounts for the total energy consumed during the cutting process
2015-01-09 Reading quantity 2789
introduction：Probe selection of anemometer 0to100m/sThe flow rate measurement range can be divided into three sections：Low speed：0to5m/s；Moderate speed：5to40m/s；High speed：40to100m/s。Anemometer thermal probe for0to5m/sAccurate measurement of；Rotary probe measurement of anemometer5to40m/sThe flow rate effect is the best；With pitot tubes, the best results can be obtained at high speeds。An additional criterion for the correct selection of the velocity probe of an anemometer is temperature，Usually, the temperature of the thermal sensor of the anemometer is about up to+-70C。The runner probe of the special anemometer can be
2015-01-09 Reading quantity 2881
introduction： Seal pairSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；SKFThe group is headquartered in Gothenburg, Sweden，Is a leader in bearing technology and manufacturing。SKFBearings can be divided into sliding according to different specific structures and similarities and differences in working propertiesSKFBearing and rollingSKFbearing]Is extremely important，If there is a problem in the sealing part, it will have a great impact on the bearing，If the shape is irregular、meat-poor、microcrack
2015-01-09 Reading quantity 1456
introduction： To solve the high temperature in mechanical equipment、Low speed、Heavy load、dusty、Water flushing and lubrication problems with shock vibration，Choose oil-free self-lubricationFAGbearing[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。]。 1、FAGbearing[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 structure is self-lubricatingFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring
2015-01-09 Reading quantity 1525
introduction：1、Mounting reducer，Attention should be paid to alignment of the transmission center axis，The error shall not be greater than the compensation amount of the coupling used。Good alignment can extend service life，And obtain the ideal transmission efficiency。 2、When installing the transmission on the output shaft，Not allow hammer，Assembly fixtures and internal threads at shaft ends are usually used，Press the drive in with bolts，Otherwise, it may cause damage to the internal parts of the reducer。It is best not to use rigid fixed coupling，This type of coupling is improperly installed，will Cause unnecessary external load，Cause bearing[bearing:bearing（“Bearing”，Japanese person“shaft
2015-01-09 Reading quantity 2918
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。]Packing includes inner packing and outer packing。 After the bearing is manufactured and inspected，That is, cleaning and anti-rust treatment，Put it in the inner package，To achieve waterproofing、moisture-proof、Dust prevention、anti-impact、Maintain the quality and accuracy of bearings as well as ease of use and sales。 shaft
2015-01-09 Reading quantity 1460
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 selection of materials is carried out by the designer according to the bearing working conditions and the functional requirements of the bearing parts。Rolling bearings mainly consist of ferrule，Rolling element，The cage and some other parts，The parts materials can be divided into：
2015-01-09 Reading quantity 1550
introduction：SKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken”The Chinese transliterated name is“SKF”；SKFThe group is headquartered in Gothenburg, Sweden，Is a leader in bearing technology and manufacturing。SKFBearings can be divided into sliding according to different specific structures and similarities and differences in working propertiesSKFBearing and rollingSKFbearing]There are many reasons for the failure，In addition to normal bearing fatigue spalling appears to be a failure of the seal、Factors such as too small bearing clearance or poor lubrication caused by too tight fit can leave special failure marks and failure forms。So check the outer ball
2015-01-09 Reading quantity 1557
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