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introduction：The main auxiliaries commonly used in printing and dyeing pretreatment are penetrants、abluent、Scouring agent、Oxygen bleaching stabilizer and chelating dispersant, etc。Most of these auxiliaries consist of surfactants and organic compounds、Inorganic salts and solvents，Among them anionic surfactants are used more：Sodium alkyl sulfonate、Sodium alkyl benzene sulfonate、Sodium fatty alcohol polyoxyethylene ether sulfate、Secondary alkyl sodium sulfonate、2－Sodium alkenyl sulfonate、Butyltsai sulfonic acid、Sodium alkyl sulfate、Sodium alkyl acetate acid、Sulfated castor oil、Alkyl sulfate acetate、Alkyl phosphate acetate、Alkyl polyoxyethylene ether phosphorus（sulfur）Acetate, etc。Nonionic surfactants are commonly used：Aliphatic alcohol
2014-12-12 Reading quantity 2878
introduction： Different brands of exhaust turbochargers(Including Carter、Huiyuan County、Garrett, etc)In various large、Medium diesel truck、Flatbed carrier、Dump trucks and various construction machinery are widely used。Such asZL-50Loading of the loader6135diesel-mountedGJ110、J112supercharger;PY-180graderD6114diesel-mountedHIEsupercharger;Liberation engineering King dump truck fittedWHICsupercharger;Steyr heavy duty vehicles are equipped with Garrett superchargers, etc。They make the diesel engine significantly increase the power under the condition of constant structural size、Increase torque,Also reduce fuel consumption,decrease
2014-12-12 Reading quantity 1540
introduction：Temperature coefficient of silver guide rail，The system temperature will affect the material of the linear guide，When the temperature is above100oCThe rated load and service life of the linear guide rail will be reduced，Move now、The static rated load is the size table value multiplied by the corresponding temperature coefficient。
2014-12-12 Reading quantity 16025
introduction： 1、summarize HOLLiAS－LECG3Series Programmable controller is a new generation of high performance introduced by Hangzhou Hollysys Automation Co., LTDPLC。This series of products is completely designed by Hollysys、Independent development，It is fully integrated with computer technology、Communication technology、The latest development of electronic technology and automatic control technology，Fully absorbed many automation technologies and application experts over the years inPLCThe technical essence of the field，In project design、Hardware selection、Software function、Network communication、User interface and so on
2014-12-12 Reading quantity 2920
introduction： 【one】、Size limitation。usualNSKImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap。]The space that can be installed is limited。In most cases，Shaft diameter（orNSKImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，f
2014-12-12 Reading quantity 1568
introduction： Make upIKOBearing part，Usually its damage state is deformed、damage、wear、Deformation of the end face、Concave face/Guide surface wear, etc。To avoid cage damage，The installation method should be carefully checked、load、Rotation and temperature conditions，Also reduce vibration，Change the lubricant and lubrication method of 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 the other parts are on the shaft each other
2014-12-12 Reading quantity 1544
introduction： The machine that contacts the clutch more often in daily life belongs to the car，Friends with cars have to touch the clutch almost every day。But how much do you know about the function of the clutch?The following Xiaobian take you to have a look。 Easy to shift gears while the car is driving，Switch gears frequently，To adapt to changing driving conditions。If there is no clutch, the engine is temporarily separated from the gearbox，Then the meshing force transmission gear in the transmission box will not be removed due to the load，The pressure between the meshing tooth surfaces is very large and difficult to separate。Another treatment of meshing gears will be difficult because of the difference in circular speed between the two
2014-12-12 Reading quantity 3000
introduction： Electromagnetic clutch short circuit fault cause analysis The electromagnetic clutch is prone to break in the process of operation。Most technicians think that the short-circuit fault should be attributed to the electromagnetic coil burned out and replace the electromagnetic coil。The professor of Tianjin electromagnetic clutch found in the fault treatment of the repair site that the electromagnetic coil with such a break fault is rarely burned out in practice，The most is the lead wire and slip ring from the coil(Copper ring)The welded part is loose or loose、Poor contact、The joint is burned and the coil is broken。 When the trouble strikes、Measured when the coil breaks，Must not
2014-12-12 Reading quantity 2944
introduction： （1） As far as possible use special instrument measurement method； （2） The use of hand push method requires the surveyor to have high measuring skills。The measurement error of this method is large，Especially when the gap is on the edge，Prone to error，now，Instrument measurement shall prevail； （3） When measuring with feeler tape，It should be operated according to the provisions of the standard，Do not use the method of rolling a roller over the feeler ruler; （4） During measurement,Make sure the ball hits the bottom of the ditch;Closed typeSKFbearing[SKFbearing:SKFThe full name is“Svenska
2014-12-12 Reading quantity 1604
introduction： In mechanical design, the size of the shaft is generally determined first，It is then allowed for rolling bearings[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 is a limit to the design space around it。It must be within this limit，Selective bearing[bearing:bearing（“Bearing”，Japanese person
2014-12-12 Reading quantity 1519
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