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introduction：The failure of the drawing die is mainly adhesion wear and abrasive wear，And mainly adhesion wear。Therefore, the selected mold material must have high wear resistance and anti-adhesion properties，And enough strength。The thickness of the sheet material to be drawn should also be considered when selecting、 Drawing pieces Factors such as the size and shape of the production batch。 （one） Light load drawing（Draw deep sheet steel and copper、 Aluminium alloy）When the mold material The production batch is small，For simple cylindrical shapes Shallow drawing pieces ，Can be selected T8 、 T10 steel； For small and medium-sized parts with complex shapes，Select and use CrWM
2014-12-13 Reading quantity 1743
introduction：Rely on external supply of pressure oil、In 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。]A plain bearing with static pressure bearing oil film to achieve liquid lubrication[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 the other parts are
2014-12-13 Reading quantity 2970
introduction：one、How to choose grease? Lubricating pairIKOThe operation and life of bearings have a very important impact，Here is a brief introduction to the general principles of choosing greases。Grease consists of base oil、Made of thickener and additive，The performance of different types of greases and different grades of the same type varies greatly，The allowable rotation limits are different，Be careful when choosing。The performance of grease is mainly determined by the base oil，Generally low viscosity base oils are suitable for low temperatures、High speed，High viscosity for high temperatures、High load。Thickeners are also related to lubrication properties，The water resistance of thickener determines the water resistance of grease。In principle，Different brand
2014-12-13 Reading quantity 1720
introduction：Friction vibration mainly refers to rolling 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。]Abnormal vibration of，Generally speaking, friction vibration in large ball 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 the other parts are
2014-12-13 Reading quantity 1757
introduction：Write NC machining program by using special function instruction in NC system，Can achieve simplified CNC machining procedures，The purpose of improving programming efficiency。Through examples, this paper，introducedFANUCAutomatic setting of programmable parameters in the systemG10Methods and techniques used in NC programming with macros in the system，It can provide reference for NC machining program of special parts。 When compiling CNC machining program of parts，Some parts of special structure are often encountered，Parts that need to be processed，Their structure is the same or similar and they are distributed according to certain rules。Equal division of circles is common in programming、Matrix scheduling
2014-12-13 Reading quantity 2981
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。]In the process of use due to various reasons，The problem of failure may arise，So stainless steel bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is used to fix and reduce load friction during mechanical transmission
2014-12-13 Reading quantity 1768
introduction：The quality of the black masterbatch depends on the following factors： ● dispersivity ● Covering power ● Rheological property ● compatibility ● stability ● Color brightness The dispersion should be high Black masterbatches are produced using carbon black。Raw carbon black is a very difficult and dirty mixture，It was covered with dust、Light weight、fluffiness。Unless large-scale treatment measures are adopted，Otherwise it will stain machines and workers，Make the working environment dirty。Because of this，Casting workers generally choose a resin carrier，Thats the black masterbatch，Complete the pre-dispersion of carbon black。This resin carrier
2014-12-13 Reading quantity 3021
introduction：Usually we use 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。]when，It started running for a while and the temperature increased，But the usual temperature is10~40Degree or so，Within this range is normal，Some bearings because of size form、Running speed、Different lubrication methods cause some bearings to heat up slowly。 whenNSKbearing[NSKbearing:Seiko Co., LTD（NSK
2014-12-13 Reading quantity 1600
introduction：The amount of material lost due to wear is called the amount of wear。This can be done by measuring the length、Resulting from a change in volume or mass，They are called line wear accordingly、Volume wear and mass wear。 Double row deep groove ball 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。]The use factor mainly refers to the installation adjustment、Service and maintenance、Maintenance and repair
2014-12-13 Reading quantity 1643
introduction： Lubricants become less lubricated with longer use time，The new lubricant must be replenished at regular intervals。Supplement the lubrication interval，According to 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。]form，dimension，Rotational speed，SKFbearing[SKFbearing:SKFThe full name is“Svenska Kull
2014-12-13 Reading quantity 1665
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