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introduction：1、Polishing must be done in a clean and dust-free room。Because hard dust particles can contaminate the abrasive material，Damage to near finished mold surface。 2、Only one level of polished diamond plaster is used for each polishing tool，Store in a dustproof or airtight container。 3、When it comes to converting finer grades of sand，Pay attention to whether the sand number of this level completely covers the previous level(thicker)Sand grain，Hands and workpieces must be cleaned。 4、Start polishing with the corners、Corners and rounded corners are more difficult to polish。 5、Special care should be taken when handling sharp corners and corners，Be careful not to form rounded corners or rounded edges，Should try to use
2014-12-27 Reading quantity 1505
introduction： Compared with general mechanical parts，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 part is a short, thin rotating surface，The rotary body determines that the processing machine tool is relatively simple，The vast majority are lathes and grinders；Short and thin determines its axial stiffness is good，The axial deformation is negligible，The radial stiffness is poor，The tightening method should be used during processing
2014-12-27 Reading quantity 1573
introduction： What is a centerless grinder The utility model relates to a centerless grinding machine with reduced transverse dimensions，The centerless grinding machine is particularly suitable for use in a small installation space，And can meet the requirements of various production lines to simplify and save space。Since the grinding wheel dressing unit is arranged in an inclined downward position above the grinding wheel，Therefore, it is not necessary to maintain a space on the side of the grinding wheel for the grinding wheel dressing unit，This space is most closely related to the lateral dimensions of a conventional centerless grinder。consequently，It can greatly reduce the transverse size of the centerless grinder，It is also possible to install the grinder into a small mounting space，consequently，Meet a variety of production lines to simplify and save empty
2014-12-27 Reading quantity 1506
introduction： A strip consolidation abrasive tool made of abrasives and binders, etc。Oil stones are usually lubricated with oil when used﹐Hence the name。The whetstone is generally used for hand-sharpening tools and parts﹐It can also be clamped to the machine for honing and superfinishing。There are both man-made and natural types of oil stones﹐There are two structural types of artificial oil stones due to the different abrasives used。A matrix free oil stone made of corundum or silicon carbide abrasives and binders﹐According to its cross-sectional shape can be divided into squares﹑rectangle﹑triangle﹑knife-shaped(wedge-shaped)﹑Round and semi-round stone, etc
2014-12-27 Reading quantity 2852
introduction： In useFAGbearing[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，We need to check firstFAGbearing[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 appearance of，To determine whether it meets the standards we require。Let me share with you the parts that we should check。 FAGbearing[F
2014-12-27 Reading quantity 1518
introduction：Thrust ball 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 fault characteristics indicate a serious fault（usual，E.g. 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
2014-12-27 Reading quantity 1592
introduction： Four row tapered roller 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。]Installation of（Install roller 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，
2014-12-27 Reading quantity 1699
introduction：With the increasing popularity of CNC machining，CAD/CAMThe software is constantly updated，Numerical control programming for multi-axis machining has always been a key technology in aero engine blade machining。MastercamAs a high-endCAD/CAMsoftware，It has a wide range of applications in practical processing，The following isMastercamPractical application in four-axis machining of blade，It also has reference significance for other surface machining。 keyword lamina&n
2014-12-27 Reading quantity 2850
introduction：1 introduction Hydraulic support is powered by high pressure liquid，The utility model relates to a device which is composed of hydraulic components and metal components to support and manage the roof of underground mining face in a coal mine。Its emergence has greatly increased labor productivity，Therefore, it is widely used in the mechanized working face of modern mines。2 Existing system features figure1The schematic diagram of hydraulic transmission system of hydraulic support is shown。figure1 Support hydraulic system schematic diagram 1.upright 2.Safety valve 3.Hydraulically controlled check valve 4.Reversing valve2.1 Initial strut Reversing valve4In ascending post position，The high-pressure liquid sent by the hydraulic pump passes through the liquid-controlled check valve3Entry column1Under the
2014-12-27 Reading quantity 2938
introduction： Recently, some users often consult us about a certain optical 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 question of whether it can be used at the end of its life，Today we are bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Its in the mechanical transmission process
2014-12-27 Reading quantity 1502
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