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introduction：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。]It has a great effect on the equivalent static load，In the sense of the word，It is a static load applied with the same size and direction
2014-12-25 Reading quantity 1556
introduction：chongqing daxue kuangyexi Department of Mining and Metallurgy, Chongqing University Mine and Metallurgy Department,Chongqing University 1929It was built in Chongqing, Sichuan Province。Initial text only、Pre-science course，1932The Faculty of Arts and Science was established。1935The College of Engineering was established，It has a department of mining and metallurgy engineering。 1952After the adjustment of the department，Develop into a multi-disciplinary university combining science and engineering with engineering。Now available11Individual system，Among them are the Department of Mining Engineering and metallurgy and materials
2014-12-25 Reading quantity 2887
introduction： 1.Cleaning before installation: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。]Loading 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，with
2014-12-25 Reading quantity 1643
introduction：Tapered roller 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。]It is a separate type 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，Used to reduce power transmission
2014-12-25 Reading quantity 1531
introduction：SKFImported 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。]，On most occasions，In operating condition：Use with appropriate clearance。Depending on the purpose，Also in the assembly of bearings，Prestressing the bearing internally，To allow the bearing to be used with negative clearance，This method of use is called preload。More suitable for radial thrust ball bearings，Tapered roller bearings，Use the two bearings against each other，Becomes a bearing with adjustable clearance。
2014-12-25 Reading quantity 1601
introduction：【Abstract of a paper】This paper discusses the adoptionPLC PCControl powder coating production line。The surface treatment is described、Drying oven、Control principle of curing furnace and powder spraying。coalescePLC PCThe implementation of control system is introduced。 Our company mainly produces white household electrical products(refrigerator、Washing machine、Electric water heater and some small household appliances)The company has four powder spraying automatic production lines。The refrigerator company uses Nordsons friction gun spraying system，Is the largest in the country、The only flat coating line；Washing machine and water heater using Nordson vertical static
2014-12-25 Reading quantity 2868
introduction：Four point contact ball turntable 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 following points should be noted in the process of heating the device： The measurement of heating should be mastered inappropriately，Temperature is too high four point contact ball turntable bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is fixed and reduced in the mechanical transmission process
2014-12-25 Reading quantity 1594
introduction：Theoretically roll in a centrifugal pumpNSKImported 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 service life is20000~80000Hour (s)，however，The actual lifespan depends on many factors——prematureNSKImported 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，Quality
2014-12-25 Reading quantity 1518
introduction：Beryllium bronze is a precipitation-hardening alloy with a wide range of applications。After solution and aging treatment，Strength up to1250-1500MPa(1250-1500kilogram)。Its heat treatment characteristics are：It has good plasticity after solution treatment，It can be deformed by cold working。But after aging treatment，But it has a very good elastic limit，Simultaneous hardness、The strength is also increased。 （1） Solution treatment of beryllium bronze General solution treatment heating temperature in780-820℃among，For materials used as elastic components，adopt760-780℃，It is mainly to prevent the coarse grain from affecting the strength。
2014-12-25 Reading quantity 1511
introduction：1、introduction FA506V-ring spinning frame is a kind of spinning frame produced by domestic textile machinery factory，Usually adoptPLCControls，High degree of automation，Simple operation，Good yarn quality，Easy to manage。The machine is suitable for the pure spinning and blending process of pure cotton or chemical fiber，Able to weave and weave、Fine yarn used in knitting, etc。 Made by a textile machinery factoryFA506Type spinning frame originally used a famous foreign brandPLCExercise control，High cost，And the repair rate is also high。Understand in detailKDN-K3seriesPLCAfter the situation，The factory decided toPLCremodel，In the product
2014-12-25 Reading quantity 2928
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