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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。]Installation is good or not，Will affect the 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，To reduce motion
2014-12-18 Reading quantity 1537
introduction：usual，People say the processing hardness exceeds56HRC，Or strengthRm>2000Newton/Square millimeters of steel material is hard cut。In most cases，Die making or forging dies after pre-machining，It has to be carburized or quenched。After pre-machining，A certain margin of finishing must be reserved。Especially when working with spherical or toroidal shapes，Hard milling is even more important。Hard milling can cut hardness to70HRCMaterial of，The required surface roughness can usually only be achieved with the help of hand polishing。This is a very expensive process。In order to shorten the time required for hand polishing
2014-12-18 Reading quantity 2878
introduction： Abstract：In the MCU application system，There are some special applications that require large capacity data storage，The article is based on the actual application system used by the author，This paper introduces an expansion method of mass data memory，Including its hardware composition and software processing method。 keyword：Single chip microcomputer，System extension，Large capacity，paging 1introduction MCS-51MCU system expansion，General useP0Mouth as address low8position（Time-sharing multiplexing with data port），whileP2Mouth as address high8position，It shares16Root address bus，The addressing space is64KB。But in practical application
2014-12-18 Reading quantity 2952
introduction： 1．precisionINAOuter spherical 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。]Requirements for matching parts Due to precisionINAOuter spherical bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is fixed and reduced in the mechanical transmission process
2014-12-18 Reading quantity 1625
introduction： Serial number Breed name and standard number Specification range Technical conditions or materials 1 Half round head rivet* GB867—86 0.6—16 According to theGB116—86stipulate:
2014-12-18 Reading quantity 3052
introduction：In reducerJZQSerial sumZQWhats different about the series。Today, we are here from Shanghai Zhenwei Reducer to give you a brief introduction aboutJZQReducer sumZQWhat is the different information about the series reducer，I hope it can help you to use it in the future when purchasing，Please take a look at the following content！ one、PJGear reducer has good mechanical properties、Work reliably、Easy maintenance and strong overload capacity、Impact resistance、Small inertia moment and other characteristics。Suitable for lifting、transport、metallurgy、mine、unit、Chemical engineering、Textile and other industries。 It applies to conditions of deceleration
2014-12-18 Reading quantity 3073
introduction：1introduction The wear and wear state of metal cutting tools directly affect the precision of machining、Efficiency and economic benefits，Therefore, the monitoring of tool wear state has attracted more and more attention。On-line monitoring of tool wear is an important topic in the research of flexible manufacturing system。In recent years, the research progress in this field is rapid at home and abroad，Its been released10means，However, few are suitable for production。Some methods can be used in actual production，However, because of its very harsh requirements and restrictions on the working condition，Difficult to popularize and apply。Because the cutting force can directly reflect the dynamic behavior of the machining process，consequently
2014-12-18 Reading quantity 2964
introduction：By 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。]Electric arc furnace smelting of steel for traditional types of products developed by Dnieper Special steel mills、Electroslag remelting and vacuum arc remelting of various types of bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。
2014-12-18 Reading quantity 1645
introduction：Often, some friends are installing itFAGbearing[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。]When using improper methods，The non-standard bearing is damaged during installation。Today Im going to talk to you about lathesFAGbearing[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。]Preparation before installation。I hope it was helpful。 With regard toFAGImported bearings are properly installed
2014-12-18 Reading quantity 1544
introduction：R-S R R Rear rear R *Rate *Reverse *Rear *Radiu *Resistance *Right Side *Retard *Round *ratio *recoil *after *radius *resistance *Right side *Back up *round R Radius radius R Radial Radial direction R Right right R Repair Repair R Ratio than,ratio R&M Ra
2014-12-17 Reading quantity 2965
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