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introduction：one、About internal clearance A、Gap basic definition：Industrial terminology，Used for bearings in general purpose accessories[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。]Broad category。Its the inner ring of the bearing、Outer ring、The amount of clearance between the rolling elements；It is an important technical quality requirement project in the national standards，Its also an important check item，It is also important in bearing applications
2015-01-07 Reading quantity 1465
introduction： Content summary： This paper expounds the organization mode of computer technology and CNC machining technology in modern mold manufacturing after the introduction of virtual technology concept 0．introduction At present, Virtual manufacturing technology has not yet formed a complete theoretical system, It is generally believed that it is supported by high-performance computers and high-speed networks, Supplemented by various special equipment and instruments, Not in fact but in essence, The process of turning raw materials into products is realized on the computer。The subject has shown full flexibility from the day it was proposed、、Economic advantage, It attracts researchers from many different disciplines。This text
2015-01-07 Reading quantity 2806
introduction： one、Product introduction KJ205Coal mine cable industrial TV monitoring system is mainly used in coal mine safety production important links、site、And the departments TV surveillance，The images of each monitoring point can be collected and transmitted to the central monitoring room and displayed on the monitor in real time。Through this system，Surface monitoring personnel can intuitively monitor and record the safety production situation of the underground work site，Timely find the illegal operation of each monitoring point，Take precautions against trouble，For the safety of coal mine production escort。 two、Technical characteristics 1.The system adopts the common cable transmission mode，Multiple monitoring point signals share a single cable transmission，Large knot
2015-01-07 Reading quantity 2810
introduction：Geometric accuracy of pairs、Precision guide rails with high motion accuracy and positioning accuracy requirements（Such as CNC machine tools and measuring machine guide rails），The following principles should be followed when designing： 1.Error compensation principle Meet the following three requirements，In order to make the guideway system error mutual compensation： （1）Intermediate elastic links must be arranged between guide rails，Such as rolling body plastic belt（slice）Or fluid film, etc。 （2）There should be sufficient preload force between guide rails，To compensate for contact errors。 （3）The manufacturing error of the guide rail should be less than that of the intermediate elastomer（mods）Deformation of。 2.Mutual accuracy
2015-01-07 Reading quantity 1707
introduction：（1）Long service life，It can reduce the maintenance cost，decreaseTIMKENbearing[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。]Frictional consumption。 （2）The right consistency，It has good vibration reduction function，Reduced speedTIMKENBearing noise，Conducive to environmental protection。 （3）Good antioxidant properties，Use
2015-01-07 Reading quantity 1549
introduction：How to use manual forklift 1、Single side use plastic tray Flat nine-legged plastic tray、Mesh nine-legged plastic tray（Flat nine-legged plastic tray 、Mesh nine-legged plastic tray （ Mechanical or manual All can be used in four directions） All can be used in four directions ）Flat plastic tray、Grid type plastic tray（ Flat plastic tray 、Grid type plastic tray （For mechanical use only The forklift is used in four directions）The forklift is used in four directions ） Flat, flow-line plastic tray、Grid stream type plastic tray（ Flat, flow-line plastic tray 、
2015-01-07 Reading quantity 2841
introduction：Needle roller 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 are three things about burns：Bearings are poorly lubricated；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，Natural price
2015-01-07 Reading quantity 1539
introduction：KOYOBearing in addition to excellent quality，Its a very sophisticated part，Both high-performanceKOYObearing，If used improperly in the course of use，Not only can not achieve the expected performance effect，And its easy to makeKOYOBearing failure，Everyone must have been paying attention to lubrication。Besides lubrication，KOYObearing[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 the coefficient of friction and protection in the process of power transmission
2015-01-07 Reading quantity 1467
introduction： What is a bushing Bearing bush is equivalent to plain 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。]Outer ring of，The shaft sleeve is integral，And the relative axis is moving，The bearing shell is fragmented，The relative axis is rotating。 journal：The part of a shaft that is supported by a bearing； bearing bush：Parts to match the journal
2015-01-07 Reading quantity 1522
introduction：Contact fatigue failure isSKFbearing[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]The main form of normal destruction。When the rolling bearing is running，Rolling element inSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabrik
2015-01-07 Reading quantity 1477
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