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introduction：Hub 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。]It is an important moving part of the car。Hub 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，Be used for
2014-12-26 Reading quantity 1428
introduction：grease、Drip-lubricated 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。]，Because you cant get enough oil，It is difficult to produce a complete bearing oil film between the relative moving surfaces，bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is fixed in the process of mechanical transmission and reduces the friction coefficient of load
2014-12-26 Reading quantity 1441
introduction：The following is mainly about the advantages of silver rail，Six advantages，It is also the value of the silver linear guide rail。
2014-12-26 Reading quantity 34708
introduction：Helical scanning features require high system performance。sometimes，SolidworksIt will be very difficult to deal with。If the spiral is very long, the features will be very complicated，It could very well lead toSolidorksAutomatic exit，If there is no special request，You can use linear array method：First define a circle of spirals，Do a spiral scan，then，Use the linear array method to array it into the number of spiral turns you need，This will greatly reduceSolidworksRequirements on the system，Speed up the processing
2014-12-26 Reading quantity 2782
introduction：one：What is expansion？ a：The surface or part of a metal structure，The process of spreading it out on a plane according to its actual shape and size is called unfolding。 two：Based on what diagram of the component is the expansion diagram drawn？ a：Its based on a projection。 three：The purpose of drawing a proof plot is to find out what and what is needed when drawing a spread plot？ a：Desired lines and dimensions。 four：What are the three ways to draw an expanded graph？ a：There are parallel lines，radiography，Triangle method。 five：Expand the diagram again，All lines are corresponding to the part on the surface of the member
2014-12-26 Reading quantity 2781
introduction：The workpiece in the heating and cooling process,Due to the inconsistent cooling rate and time between the surface and the core,Temperature difference，It will cause uneven expansion and contraction of the volume and produce stress,Immediate thermal stress。Under the action of thermal stress,Because the surface layer starts cooler than the heart,The contraction is also greater than the heart and causes the heart to be strained,When the cooling ends，Because the final cooling volume of the core cannot be contracted freely, the surface compression core is strained。That is, under the action of thermal stress, the surface of the workpiece is finally compressed and the heart is strained。This phenomenon is subject to cooling rate,The influence of material composition and heat treatment process。When the cooling rate is faster,Carbon content and alloy
2014-12-26 Reading quantity 1435
introduction：Graphic NC programming is the development direction of NC programming，This is especially true for the processing of large three-dimensional complex parts。This paper introduces the adoptionUGⅡThe software system is a general method of graphical programming technology for NC machining of complex parts，I believe it can also be in otherCAMThe graphical programming in software environment can be used for reference。 one、introduction CNC machine tool is an automatic equipment that automatically processes the workpiece according to the prepared processing program，The quality of NC program affects the machining quality of NC machine tool
2014-12-26 Reading quantity 2789
introduction：KOYOBearing failure is often due to a variety of factors，All design and manufacturing process factors are affected and 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。]breakdown，Their analysis is not easy to determine。Under normal circumstances，In general，You can consider and analyze factors and internal factors。 The main factor used for adjustment is installation
2014-12-26 Reading quantity 1457
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。]It is one of the important components of construction machinery，Poor installation will affect its use effect，It even causes the failure of construction machinery and equipment。 ifIKObearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Is in the mechanical transmission process
2014-12-26 Reading quantity 1443
introduction：SKFbearing[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 selection and precautions when using bearings selected outline the type of rolling bearings、There are many types and sizes。To enable the mechanical device to perform the desired performance，Choosing the most suitable bearing is crucial。For selected axis
2014-12-26 Reading quantity 1457
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