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introduction： Surface roughness：It refers to the small spacing and small peak-valley irregularity of the machined surface。The distance between its peaks or troughs（Wave pitch）tiny（in1mmbelow），Its hard to tell with the naked eye，So it belongs to the microscopic geometry error。The smaller the surface roughness，The smoother the surface。The size of the surface roughness，It has a great impact on the performance of mechanical parts，It is mainly manifested in the following aspects： ① Surface roughness affects the wear resistance of parts。The rougher the surface，The smaller the effective contact area between the mating surfaces，The greater the pressure，The faster it wears out。 ② table
2014-12-15 Reading quantity 1692
introduction：With 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 birth and development of industry，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 makeNSKStationary ring of bearing
2014-12-15 Reading quantity 1733
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。]The inner ring is a tight fit with the shaft，The outer ring is loosely matched with the shell，Available press willIKOThe bearing is first pressed into 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，
2014-12-15 Reading quantity 1715
introduction：The properties of metal materials are generally divided into two categories: process properties and use properties。The so-called process performance refers to the mechanical parts in the processing and manufacturing process，The metal material is cold in set、Performance under hot working conditions。The technological properties of metal materials are good or bad，Determines its ability to adapt to processing and forming in the manufacturing process。Due to different processing conditions，The required process properties are also different，Such as casting property、weldability、malleability、Heat treatment performance、Machinability, etc。The so-called service performance refers to the mechanical parts under the conditions of use，The performance of metal materials，It includes mechanical properties、Physical property、Chemical properties。metal
2014-12-15 Reading quantity 1622
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。]The main reasons for the rise in temperature are： first：Whether the quality of lubricating oil has deteriorated？If the lubricating oil is too viscous, it will also causeINAbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is used to fix and reduce the friction coefficient of load during mechanical transmission
2014-12-15 Reading quantity 1685
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。]The raceway noise，Raceway sound is due to 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，Be used for
2014-12-15 Reading quantity 1708
introduction：Fatigue life IKOBearing during operation，Bear a certain load，Even static loads，But for balls and raceways，The stress is cyclic，The material will undergo rolling fatigue resulting in imported bearings[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。]Reach the end of life。The phenomenon is that a part of the rolling surface material suddenly falls off like a fish scale，This phenomenon is called fatigue flaking（Flaking）。 Noise life
2014-12-15 Reading quantity 1605
introduction：KOYOPremature aging of bearings can cause equipment downtime，Now combined with the authors motor maintenance practice，Introduction guard 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 experience of premature aging。bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is fixed in the process of mechanical transmission and reduces the friction coefficient of load
2014-12-15 Reading quantity 1611
introduction： Apply： Widely used in pharmaceutical、Chemical engineering、food、Textile printing and dyeing、Grain processing、Wood processing、Drying of various products in automotive and other industrial fields、Curing heat setting and other functions。 principle： The fuel is burned through a burner，High temperature flue gas generation，The heat of the high temperature flue gas is transferred to the heated air by means of a hot blast stove with enhanced heat transfer measures，The temperature of high temperature gas decreases to250℃The following is discharged to the atmosphere by the induced draft fan，After absorbing heat, the temperature rises to the rated value and is sent out through the hot air outlet，When the observed temperature reaches the upper limit of the rated temperature，The burner will automatically stop burning
2014-12-15 Reading quantity 3009
introduction：introduction With the development of the global economy，The new technological revolution continues to make new progress and breakthroughs，The rapid development of technology has become an important factor in promoting world economic growth。The continuous development of market economy，Promote industrial products to more and more varieties、In small quantities、High quality、The direction of low-cost development，In order to maintain and strengthen the competitiveness of products in the market，Product development cycle、Production cycles are getting shorter，So the key process equipment for manufacturing various products—Mold requirements are becoming more and more demanding。 On the one hand, enterprises pursue economies of scale，Make the mold to speed up、precision、Long-life formula
2014-12-15 Reading quantity 2923
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