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introduction：[Abstract]A new process of preheat treatment for strengthening and toughening and a new surface strengthening technology of rare earth composite infiltration were adopted，The service performance and service life of the tire are greatly improved，The surface performance of the tire mold is also significantly improved，The mold micro-deformation was achieved、Environmental protection and energy saving purposes。 keyword Tire mold Strengthening and toughening treatment Rare earth composite infiltration Surface strengthening 1 introduction The tire mold is near10The year has achieved rapid development，From the last century80The successful development of the first batch of radial tire flexible mold began，Chinas tire mold manufacturing technology is maturing day by day。enter21century，With our countrys automobile manufacturing industry
2014-12-17 Reading quantity 2839
introduction： CNC machine tool maintenance and transformation series of lectures The machine tool is used as a working machine and maintenance tool，It has long become an indispensable and necessary equipment in various industrial fields。The generation and development of CNC machine tools，It is made of high quality、The rate of、Strong guarantee of high consistency products。 With the rapid development and progress of human society，Various new materials、New technology、New technology、New structure、New accessories continue to emerge，New demands are constantly being made in various fields，All this makes the machine structure、Performance is ever-changing。The rapid development of computer technology has made the CNC system of machine tools updated with a shorter cycle。
2014-12-17 Reading quantity 2831
introduction：Loud metal noise reason1：Abnormal load，counterplan：Modified fit，Research 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。]play，Adjustment and load，Fixed shell shoulder position。 reason2：Poor installation，counterplan：shaft、Machining accuracy of the shell，Improved installation accuracy、Installation method。 reason3：lubricant
2014-12-17 Reading quantity 1471
introduction：1Appearance characteristic Bearing for vibration[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.The diameter of the rolling element is increased，The length of the rolling element is increased。 B.The cage is guided by the outer rim，Reduce the force on the roller。 C.Guide roller with inner rim，Improve roller operation。 D.Cylindrical roller
2014-12-17 Reading quantity 1491
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。]Due to the different use environment，So erosion behaves differently，Because the erosion is different。KOYOBearings, of course, can not escape this fate of erosion，Here are three ways in which the axial bearing can be eroded。 1、cavitation KOYOBearing cavitation is solid
2014-12-17 Reading quantity 1579
introduction： FAGbearing[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。]Check the rolling sound of unidirectional bearing during operation、Vibration、temperature、State of lubrication, etc，The details are as follows： 1.The rolling sound of bearings Using a sounder on the operationFAGbearing[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。]The size and quality of the rolling sound is carried out
2014-12-17 Reading quantity 1488
introduction：From the measuring instrument,We can obtain the magnified result of the irregular condition of the workpiece surface,And this result Often referred to as"Surface profile"(surface profile)。When the pointed pen of the instrument is along the surface of the workpiece While scanning,Its vertical motion can be magnified and plotted,And at the same time,We also The arithmetic mean value of surface roughness on the workpiece surface can be read directly from the instrument。 in1930Years ago,Its all about establishing standards by touch。A series of tests must be used Test pieces with different thicknesses,In use by factory personnel
2014-12-17 Reading quantity 2833
introduction：1、Abide by《General operating rules for casting equipment》Relevant provisions。 2、pre-work，Check the tightness and wear of the triangle belt，If too tight too loose or wear seriously，Should be replaced or adjusted。 3、pre-work，Check if the screen is worn out，Whether the boom is tight。If the screen is worn out or the boom is loose，Maintenance personnel should be notified。 4、pre-work，Start with a running test，Then run empty2-3minutes，Check motor、Whether the movement of the triangle belt and sieve is normal，Just make sure everythings okay，Before production can proceed。 5、After the equipment is in normal operation，Only feed，Dont put too much material on the screen，So as not to exceed
2014-12-17 Reading quantity 2835
introduction：Change the main movement speed of the machine tool（As spindle speed、Table reciprocating stroke per minute, etc）The institution of。It can be individually mounted in a box to form a part of the machine tool，It can also be co-installed with other institutions in a box，For example, when it is installed with the spindle component, it is called the spindle gearbox。The method of speed change includes the realization of stepwise speed change by changing the combination of transmission parts and the use of mechanical、Hydraulic or electric mechanisms achieve stepless speed changes。 Machine tool spindle speed（Or some other primary motion speed）When the variable speed is graded，The speed is generally arranged in an geometric sequence。Common ratios are commonly used1.06、1.12、1.26、
2014-12-17 Reading quantity 2857
introduction：[Abstract] In recent yearsCAE(Coputper Aided Engineering)Technology has developed rapidly，For the mold industry to provide more powerful technical support。In cold extrusion mold design，The checking design of mold strength is the key，In many cases, design depends on experience。Application structureCAEThe technology can easily and accurately carry out the strength of complex mold forming parts and mold assembly parts、Rigid check calculation。The author combines the practical work experience in recent years，Talk about the applicationUCSoftware structureCAEApplication of technology in cold extrusion die design
2014-12-17 Reading quantity 2833
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