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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。]Spin at high speed、Especially when the speed is close to or exceeds the limit speed recorded in the size table，The main points should be noted as follows： （1）Use precision bearings （2）Analysis of bearing internal clearance（Consider the reduction of internal bearing clearance caused by temperature rise） （3）points
2015-06-20 Reading quantity 1536
introduction：The whole transmission device of planetary cycloidal pin gear reducer can be divided into three parts：Input part、Retarding section、Output part。There is a misalignment in the input shaft180°The double eccentric sleeve，The eccentric sleeve is fitted with two roller bearings called swivel arms[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。]，formHinstitution、The center hole of the two cycloidal wheels is the deviation
2015-06-20 Reading quantity 2913
introduction：dianzulu Resistance furnace resistance furnace The electric heating element or heating medium in the furnace is heated by electric current，An industrial furnace for heating workpieces or materials。Resistance furnaces are used in the mechanical industry to heat metal before forging、Metal heat treatment heating、braze、Powder metallurgy sintering、Glass and ceramic roasting and annealing、Low melting point metals melt、Sand and paint film drying, etc。 Since the discovery of the thermal effect of electric current(Silenc-Joules law)later,The electric heating method was first used for household appliances，Later, it was used in small electric laboratory stoves。With the invention of nickel-chromium alloy,to20
2015-06-20 Reading quantity 2850
introduction：1. 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 feature of...： (1) The friction coefficient is small and stable，Easy starting。normal，Ball bearingf=0.001-0.002，Roller bearingf=0.001-0.003，Needle rollerf=0.002，Thrust ball bearingf=0.003，Thrust roller
2015-06-20 Reading quantity 1555
introduction：1、Control trajectory number（ControlledPath）CNCControl the feed servo shaft（feed）Class number of。Each group forms a tool path during machining，Each group can exercise separately，They can also coordinate movements at the same time。 2、Number of control axes（ControlledAxes）CNCTotal number of feed servo axes controlled/Per track。 3、Number of linkage control axes（SimultaneouslyControlledAxes）The number of feed servo axes for each trajectory simultaneously interpolated。 4、PMCControl shaft（Axiscontr
2015-06-20 Reading quantity 3044
introduction：1 Linear slide noun introduction-Main influence parameter a、Load and life of linear slide (L) When the linear slide is selected，According to the service conditions of the mechanism and the external force，The external force on each slide in the mechanism can be obtained by engineering calculation
2015-06-20 Reading quantity 133996
introduction：SelectSKFbearing[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]According to the size of the bearing，specification，And speed, etc., to choose whether the bearing meets our mechanical range of use，Here is a simple analysis： First up is the，Size limitation。 usualSKF
2015-06-20 Reading quantity 1630
introduction： 1、Definition of vacuum A vacuum system is a state of thin gas below the atmospheric pressure of the area 2、Vacuum degree The degree of gas thinning in a vacuum，Usually use“High vacuum”and“Low vacuum”To express。High vacuum degree indicates vacuum degree“good”Meaning of，Low vacuum indicates the vacuum degree“poor”Meaning of。 3、Vacuum unit Ordinary support（Torr）As unit，In recent years, it has been used internationally（Pa）As a unit。
2015-06-20 Reading quantity 2989
introduction： Oil 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。]It is a sleeve bearing using sliding friction，Use lubricating oil as lubricant and drag reducer，The initial use of oil-bearing imports[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ik
2015-06-20 Reading quantity 1655
introduction：SKFSwedish 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。]Before and after code SwedenSKFCompany Beijing Jinglu Lianchuang trading Co., LTD （1）Interior design ACD——The contact Angle is25The degree of。 B——The contact Angle is40The degree of。 CC——The contact Angle is12The degree of。 CD—
2015-06-20 Reading quantity 1641
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