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introduction：With a screw、The nut acts as a driving mechanism，And rely on the screw drive flywheel positive and negative rotary movement into the slider up and down reciprocating movement of forging machinery。Working hours，An electric motor accelerates the flywheel to save energy，Simultaneously through the screw、The nut pushes the slide downward。When the slider touches the workpiece，The flywheel was forced to slow to a complete stop，The stored rotational kinetic energy is converted into impact energy，Strike the workpiece through the slider，deform。After the blow，The motor reverses the flywheel，Drive the slider up，Return to original position。The specifications of the screw press are expressed by the nominal working force。 Screw presses are usually rubbed by an electric motor
2014-12-11 Reading quantity 3082
introduction：While the institution is operating，Mounting 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 parts are allowed to have a certain temperature，When touching the body shell with the hand，It should be normal not to feel hot，On the contrary, it indicates non-standard bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is fixed and reduced during mechanical transmission
2014-12-11 Reading quantity 1772
introduction： How to choose rollFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]Types of、There are many types and sizes。To enable the mechanical device to perform the desired performance，Choose the best fitFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]Is crucial。 Choose forFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、
2014-12-11 Reading quantity 1865
introduction： one.Upper die holder(P03A) 1.material:S45C Modulus length<450,General useS45Cmaterial,It can be fixed with interference fit or anaerobic glue,The outer diameter of the main sleeve is larger than the hole of the die seat(ψ0.25-ψ0.30) Modulus length≧450,General useA7075material,Use glue only(A.Bglue)Fixed leading sleeve,The outer diameter of the main sleeve is larger than the hole of the die seat(ψ0.10-ψ0.15) 2.Length dimension≧350mm,As needed. breadth:According to theFUTABAStandardP87page,B≧250,280,320……
2014-12-11 Reading quantity 3050
introduction： familiarIKOBearing wear failure and common elimination methods Lubricating oil is the most variety of petrochemical products，A wide range of applications。At the same time, lubricating oil is a technology-intensive product。Only do a good job of lubricating oil management，Proper use of lubricating oil，In order to play the technical properties of lubricating oil，To ensure the normal operation of equipment，Extend equipment life，Save lubricating oil，Save energy，Improve economic and social benefits。 Lubricating oil transportation and storage requirements are mainly： （one）Bulk oil products 1. Containing and storing lubricating oil
2014-12-11 Reading quantity 1761
introduction： In recent years, the state has increased investment in infrastructure construction。The concrete machinery market has also developed rapidly，Concrete pump plays an important role in the increasingly vigorous construction market，Domestic full hydraulic double cylinder concrete pump has experienced from scratch、The development process from weak to strong。As the market heats up，Concrete pump manufacturers continue to emerge，Different manufacturers、Models of concrete pump products more and more。“Work is good at what it does，We must first sharpen our tools”，In the face of dazzling concrete pump product market，How users should
2014-12-11 Reading quantity 3035
introduction：Virtual manufacturing act21The centrepiece of manufacturing technology for the century，It has been highly valued by all countries in the world。This paper is based on the equivalence of information transformation、The corresponding relationship between virtual manufacturing system and real production system is analyzed，The basic concept of virtual manufacturing is discussed，The main international research trends and application fields are introduced。 1、The basic concept of virtual manufacturing Virtual manufacturing（Virtual Manufacturing:VM）The research and development of the utilization of the country has aroused great attention，Especially in Europe and America、Japan and other industrially developed countries，The investment is huge
2014-12-11 Reading quantity 3077
introduction： brand type use 1Cr18Ni9Ti
2014-12-11 Reading quantity 3008
introduction：Vibration and dryness are the two major public hazards of construction machinery。Engine is the main vibration source of construction machinery。The transmission of engine vibration directly affects the reliability and service life of construction machinery，At the same time, it also makes the drivers riding comfort worse，Reduce work efficiency，Some effective methods must be taken to reduce vibration。 one、Vibration source control Vibration source control is integrated into the design、The whole process of manufacture and even use，This is reflected, for example, in improved engine balance、Dynamic performance、Parts processing and assembly accuracy, etc。There are various forms of vibration in engine operation，The main reasons are：Engine weight
2014-12-11 Reading quantity 1644
introduction：Decision 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 many factors in the length of service life，But there are roughly two kinds，The first is the internal cause（KOYOFactors of the bearing itself)，The other thing is bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is used to fix and reduce load friction during mechanical transmission
2014-12-11 Reading quantity 1729
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