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introduction：When the stainless steel pipe surface appears brown rust spots（point）when，People were amazed：consider “Stainless steel does not rust，Rust is not stainless steel，Maybe theres something wrong with the steel”。 In fact，This is a one-sided wrong view of the lack of understanding of stainless steel。Stainless steel in a certain It rusts under conditions。 Stainless steel has the ability to resist atmospheric oxidation---That is, rust proof，It also has an acid content、alkali、Salt in the medium is corrosive ability---That is, corrosion resistance。But the size of its corrosion resistance is Depending on the chemical composition of the steel itself、Additive state、Conditions of use and environmental media type vary
2015-01-10 Reading quantity 1554
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。]Work surface failure analysis is improvedFAGImported 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。
2015-01-10 Reading quantity 1484
introduction： 1、cleanse：willIKOWhen the bearing is removed for inspection，First use photography and other methods to record the appearance。In addition，Determine the amount of remaining lubricant and sample the lubricant，And then clean it.IKObearing。 a、IKOThe cleaning of bearings is divided into rough washing and fine washing，A metal mesh frame can be placed on the bottom of the container used。 b、Roughing time，Remove grease or adhesion in oil with brush, etc。If you rotate in the oil at this timeIKObearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Is in machinery
2015-01-10 Reading quantity 1571
introduction：In recent years，Green design has extended to the machinery industry。The mold is the basic process equipment of industrial production，The level of its production technology，It has become an important symbol to measure the level of product manufacturing in a country，Therefore, it is more important to promote green design in the mold industry。“Green mold”It does not just mean that it has a low impact on the environment when used，It should also minimize the damage to the environment during the entire life cycle from manufacturing to end-of-life。 The life cycle of green mold is related to the environment in the following stages：design、manufacture、sell、Use、Maintenance and service and scrap recycling。Green design is
2015-01-10 Reading quantity 2813
introduction：INAbearing[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 fit clearance with the shaft must be appropriate，The radial clearance can be detected by the following methods。 1、Measuring tape method For larger diametersINAbearing，Large gap，Direct detection with a narrower feeler。For axes with smaller diameters，Small gap，It is not easy to measure with a gauge
2015-01-10 Reading quantity 1582
introduction：（three）Milling method and its reasonable selection 1.Selection of milling methods The milling mode refers to the kinematical relationship between the milling cutter and the workpiece during milling。 (1)Perimeter milling（Circular milling method） There are two ways to mill a workpiece by circumferential milling，That is, up-milling and up-milling。When milling, if the cutting speed direction of the milling cutter rotating into the workpiece is opposite to the feed direction of the workpiece, it is called inverse milling，On the contrary, it is called down-milling。 ①Backmilling figure8-8aAs indicated，The cutting thickness gradually increases from zero
2015-01-10 Reading quantity 2909
introduction：1)NSKbearing[NSKbearing:Seiko Co., LTD（NSK LTD.）Be established in1916years，It is the first manufacturer to design and produce bearings in Japan。NSKThe function of the bearing fit is to makeNSKThe stationary ring and rotating ring of the bearing are respectively the stationary part of the installation part(Usually a bearing seat)And rotating part(Usually an axis)Solidify together，Thus, the basic tasks of transferring the load in the rotating state and defining the position of the moving system relative to the stationary system are realized。]Design parameter：includeNSKbearing[NSKbearing:Seiko Co., LTD（NSK LTD.）Be established in1
2015-01-10 Reading quantity 1470
introduction：surveyINAbearing[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。]injure，It is difficult to know the true cause of the injury。but，If you know the use of railway bearings、Conditions of use、The structure around the bearing、Know what happened before and after the accident，Combined with bearing damage state and several reasons to investigate，We can prevent similar accidents from happening again。
2015-01-10 Reading quantity 1503
introduction：French beet sugar factory in the economical and rational use of heat energy、Technical measures for fuel conservation（The energy saving development ideas can be used as reference for the research of sugarcane sugar plant）： one、Adopt energy-saving technology 1、The evaporative heat scheme with four effect concentrator is adopted，Part of the juice steam in the first effect tank，After compression with thermal compressor，Return to the primary heating chamber(See figure1)，Third effect juice vapor temperature is maintained at102℃，The final effect is the enrichment tank。 2、adoptRTtype（Roll type）exudator，from3、4Effector pump steam for seepage heating；The pulp press water is first heated with evaporating tank condensate water，reuse3The effect
2015-01-10 Reading quantity 2835
introduction： 1.The contact Angle is perpendicular to 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 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 plane of the axis line(Radial plane)The resultant action line with the roller driven by the bearing ring or washer(Nominal line of action)The Angle between。 2.intra-ball(Outside diameter)Bearing inside a row of balls(outside)Connected cylinder
2015-01-10 Reading quantity 1562
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