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introduction： Oxygen pair 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。]Influence of steel quality and its control Inclusion in bearing steel and its control Control of residual aluminum in bearing steel
2015-04-04 Reading quantity 1652
introduction： Take... astimkenbearing[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。]Application when selecting a suitable sealing design，The type of lubricant must be taken into account、Operating environment、Application speed and overall operating conditions。 1.Shaft surface roughness It is important to ensure the shaft surface
2015-04-04 Reading quantity 1501
introduction：Jiang Jialing,Liu Baoqing （Institute of Chemical Machinery, Zhejiang University，Hangzhou, Zhejiang310027） Abstract：Promoting the use of indirect drying equipment with energy-saving and environmental protection characteristics is an important trend in the development of drying technology。The structure characteristics and working principle of rotary disc and rotating tubular indirect heating and drying equipment are introduced emphatically，The formula for calculating the actual heat transfer coefficient is given according to the particle heat transfer model。At the same time, the dangerous parts and checking contents of pressure rotor of rotary disc and rotary tube dryer are summarized。 keyword：Rotary tube drying
2015-04-04 Reading quantity 2821
introduction： Self-lubricating radial joint 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。]Radial clearance value Nominal bore diameter of bearingd/mm ＞4～12
2015-04-04 Reading quantity 1487
introduction：FMEA(Failure Mode and Effect Analysis,Failure mode and effect analysis)It is an analytical method used to determine potential failure modes and their causes。 To be specific，By practiceFMEA，Weaknesses can be discovered before the product design or production process is actually implemented，Product defects can be identified at the prototype stage or prior to mass production。 FMEAIt was first created by NASA(NASA)A set of analytical models is formed，FMEAIt is a practical way to solve problems，It can be applied to many engineering fields，At present
2015-04-04 Reading quantity 2968
introduction：Pro/E：Use... firstPro/eConduct modeling，Then assemble。Look out，During molding and assembly，We all have to set up our units，If its millimeters，Theyre all in millimeters。The density has to be set。Such as，withKg、mm、s Work unit，Density is the international unit×1.0E-9。 withMechproplug-in，deriveAdamsReadable rigid body file，CMDandSLPdocument。 Hypermesh：Import the assembly modelHypermesh，Choose wellNastrantemplate，The parts to be flexible are divided into grids，Attentional aspect
2015-04-04 Reading quantity 2847
introduction： Feng Ye Mall clutch teach you how to eliminate clutch failure。The following two kinds of clutch fault phenomena and solutions are introduced to you。 phenomenon： one、Foot clutch pedal heavy,Foot fatigue，Compared with other vehicles, the clutch pedal force is obviously different。The cause of this failure is the clutch master pump、Distributor pump、Disengaging fork、Separate 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 are produced on the shaft
2015-04-04 Reading quantity 2969
introduction： In addition to paying attention to tire pressure，Winter tire maintenance should also pay attention to a few points： 1、Note that tires should be balanced before being installed for the first time or before being reinstalled to the wheel after repair。Tires should also be re-balanced after any signs of vibration or wobble are found。 2、Pay attention to tire side maintenance，Especially the internal tire side inspection。It is recommended to run before and after each difficult road and high speed，Lift the vehicle to check for injuries on both sides of the tires。If you cant lift it on a good visibility day
2015-04-04 Reading quantity 2819
introduction： When a leak from the oil seal is found，First identify the location of the leak，If not by oil seal leakage，Sometimes it is mistaken for a leak due to reasons other than the attachment of grease。The main cause of oil seal leakage，1、Because the dimensional tolerance does not meet the standard specification, the static sealing surface of the outer edge of the oil seal and the cavity is deformed；2、The material cracks due to harsh working conditions，Especially the crack on the cutting edge of the oil seal；3、Because the working conditions are too harsh and the rubber elastomer is incompatible with the working medium, the rubber hardness increases，Or the hardness of the elastomer is too high；4、Sealing medium made of rubber
2015-04-04 Reading quantity 1603
introduction： Worm gear reducer is a kind of compact structure，Large transmission ratio，And the transmission machinery with self-locking function under certain conditions，It is one of the most commonly used reducer，among，Hollow shaft gear reducer not only has the above characteristics，And easy to install，Reasonable structure，More and more widely used。A helical gear reducer is installed at the input end of the worm gear reducer，The multistage reducer can obtain very low output speed，It is a combination of helical gear stage and spiral tooth stage，It has higher efficiency than pure single stage worm gear reducer。Parallel vibration
2015-04-04 Reading quantity 2743
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