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introduction：List of current mandatory standards in the instrumentation industry： GB6738-86Safety requirements for electrical measurement indicating and recording instruments and their accessories GB7667-87Electron microscopeXRadiation leakage dose regulation GB9316-88Safety requirements for electronic flash devices for photography GB10320-95Electrical safety of laser equipment and facilities GB11921-89Copy machinery safety protection GB12977-91Balancing machine protective cover and other safety measures JB55
2014-12-12 Reading quantity 3103
introduction：As the worlds top 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。]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
2014-12-12 Reading quantity 1611
introduction：Different lubricants are prohibited from mixing with each other。Oil level plug、The location of the drain plug and ventilator is determined by the installation position。Their relevant locations are available for reference Reduction gear Reducer installation position diagram to determine。 Check the oil level Cut off the power，Protection against electric shock！Wait for the reducer to cool！ Remove the oil level plug to check if the oil is full。 Install the oil level plug。 Inspection of oil Cut off the power，Protection against electric shock！Wait for the reducer to cool！ Open the oil plug，Oil sampling。 Check the viscosity index of oil If the oil is noticeably cloudy，Recommend replacement as soon as possible。 For speed reducer with oil level plug
2014-12-12 Reading quantity 2972
introduction： 1Hydraulic system cleaning significance[1]From the point of view of use，The first condition for the normal operation of the hydraulic system is that the inside of the system must be clean。Before the new equipment is operational,Or after an overhaul of a piece of equipment,Contamination of the hydraulic system is inevitable,Although manufacturers of hydraulic components pay great attention to the internal cleaning of the components themselves,But new components can still contain burrs、cuttings、flash、dirt、Contaminants such as welding slag and paint。Components can also be due to poor storage、Transport and cause pollution。During the making of the tank,Possible accumulation of rust、Paint chips and dust, etc,Although the tank is cleaned before use,But a lot of dirt
2014-12-12 Reading quantity 2993
introduction：Angular contact ball 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。] *There is a contact Angle between the ring and the ball，The standard contact Angle is15°、30°and40° *The greater the contact Angle, the greater the axial load capacity *The smaller the contact Angle, the better the high-speed rotation
2014-12-12 Reading quantity 1824
introduction：Timken 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。]Imported 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。]In the precision parts，bearing
2014-12-12 Reading quantity 1729
introduction： 1、Install coupling on output shaft of cycloidal reducer、Belt pulley、Direct hammering is not allowed when connecting parts such as sprockets，Because the output shaft structure of the reducer can not withstand the axial pounding force，The coupling can be pressed into the shaft end screw hole。 2、Axle diameter selection of output shaft and input shaftGB1568-79cooperate。 3、The lifting ring screws on the reducer are only used for lifting the reducer。 4、Install the reducer on the foundation，The mounting center line mark of the reducer should be calibrated
2014-12-12 Reading quantity 2956
introduction：1．TIMKENbearing[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。]Basic requirements for lubricants There are usually the following basic requirements for lubricants： (1)It has sufficient lubrication，Immediate reductionTIMKENbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Its a mechanical transmission
2014-12-12 Reading quantity 2185
introduction： 1、 First basisI/OOptimal allocation of pointsI/OModules as well as identify variousI/ONumber of modules；(Tally the number of points required by each system in tabular form，Working out a total) 2、 According to communication requirements and in generalI/OThe number of modules depends on the selectionPCD1orPCD2System，And decide whether the chassis needs to be extended；Expansion box if needed，Select the connection cable according to the design of the control panel； Communication interface：If the required communication port is greater than2A or need withTCP/IP、LONWORKS、
2014-12-12 Reading quantity 2966
introduction： traditionCAESoftware can only do formative analysis，And requires professionals to do a lot of pre-treatment，If you are not satisfied with the analysis，We have to start all over again。Due to traditionCAESoftware is just a means of verification，It is mainly used for comparison of schemes，Cannot be used as a process aid，Thus causeCAETechnology has long been outside the production process。Present DayCAEThe software has been developed to do more than just form analysis，And can participate in the whole process of stamping process。We call it computer aided stamping。In terms of process design，CAEWith automatic or auxiliary stamping direction determination、Quickly generate drawing surface、billet
2014-12-12 Reading quantity 3117
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