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introduction：Rolling 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 main task of service life analysis，Based on a lot of background material、Analyze data and failure patterns，Find out the main factors that cause bearing failure，In order to put forward targeted improvement measures，Extend the service life of bearings，Avoid sudden early failure of rolling bearings。 Ann
2015-01-11 Reading quantity 1541
introduction：It includes the working principle of the turbine stage and the working principle of the whole turbine unit。The working principle of a steam turbine involves the flow of steam、Force generation and loss formation on blades，And the method of making steam turbine adapt to external load change。 The working principle of the stage is based on the conversion of the energy contained in the steam into mechanical work in the turbine stage，Turbine stages can be divided into impulse stages、Reaction stage and velocity stage3Kind of。 Impulse level diagram2 [How the impulse level works]Schematic diagram of the working principle of impulse stage。Steam expands in the nozzle，Pressure from imports0 drop
2015-01-11 Reading quantity 2902
introduction：1．Technical requirements for bearing journal The general assembly basis of shaft parts is the supporting journal，Each precision surface on the shaft is also based on its supporting journal，Therefore, the accuracy of the bearing journal on the shaft is the most important，Its accuracy will directly affect the rotation accuracy of the shaft。Tapered front and rearＡ、ＢThe surface is the main support，The middle is the auxiliary support）Its roundness and coaxiality（Limit with beat index）Both have high precision requirements。 2．Technical requirements for threads The main shaft thread is used to assemble the nut，The nut adjusts the rolling bearing mounted on the journal[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）
2015-01-11 Reading quantity 1585
introduction： This machine is absorbed by our company，Digest domestic and foreign advanced technology，A new type of mixing equipment developed by careful design，It is an alternative to the traditional two-dimensional motion mixer。It has the advantage of high mixing uniformity，Convection humidity、soft、Particles of varying specific gravity、Mixing uniformity of the powder，Can achieve the best results。This machine is suitable for pharmaceutical、Chemical engineering、Industries such as food require unit operations that mix different materials。 Basic working principle HDSeries multi-direction motion mixer，Spatially presented
2015-01-11 Reading quantity 2907
introduction：IKOThe specific judgment method of whether the bearing should be repaired，namelyIKOBearing has been fully used and the specific judgment method of near failure is as follows： 1)Make use ofIKOBearing working condition monitoring instrument Using a ferrograph orSPMorI-ID—1typeIKObearing[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。]professional
2015-01-11 Reading quantity 1558
introduction： Main use This machine is pharmaceutical、food、A surname、Chemical engineering、Ideal machinery for the solid beverage industry。 Working principle Form the stirred material into the desired particles，It is especially suitable for materials with high viscosity。The grain forming rate of this mechanism is high、Grain aesthetics、Automatic discharge、The breakage of the chisel caused by manual discharge is avoided，Suitable for line operation。 Reasonable local structure，Beautiful appearance，All parts in contact with the material are made of stainless steel。 Technical parameter Cutter sizemm
2015-01-11 Reading quantity 2792
introduction： 751 GB/T 9121.5-1988 PN 1.6MPa(16 bar) Concave and convex flat welded ring loose sleeve plate steel pipe flange Loose plate steel pipe flanges with weld-on collar with male and female face for PN 1.6MPa (16 bar) 752 GB/T 9121.6-1988 PN 2.5MPa(25 bar) concave
2015-01-11 Reading quantity 2891
introduction：To judge the removed 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。]Whether it can be used again，Check after the thrust ball bearing is cleaned。Carefully check the raceway surface、Rolling surface、State of mating surface、The wear condition of the cage、The increase of bearing clearance and whether there is damage related to the decrease of dimensional accuracy，abnormal。Non-separation type small ball bearing
2015-01-11 Reading quantity 1574
introduction：1、VAVHow the end works The amount of cold into the room is determined by pressing the formula： Q=C.ρ。L（tn-ts）（1） ShizhongC—The specific heat capacity of air，KJ/（Kg.°c）；ρ—Air density，Kg/m3；L—Blast rate，m3/S； tn—Room temperature，°c；ts—Supply air temperature，°c；Q—absorb（Or in）Indoor heat，KW. If you set the supply air temperature to a constant，Change the air supply volumeL，You can get different onesQvalue，To keep room temperature constant
2015-01-11 Reading quantity 2884
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]In the course of its use, it shows strong regularity，And repeatability is very good。Normal high-quality stainless steel bearings at the beginning of use，Vibration and noise are relatively small，But the spectrum is a little scattered，The amplitude is small，May be due to the system
2015-01-11 Reading quantity 1569
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