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introduction： The drivetrain is located between the engine and the drive wheels，It can make the power characteristics of the engine output suitable for the needs of the car in various working conditions，Make the car run properly。The most common is a mechanical drive train，Hydraulic mechanical transmission systems are used in large buses、Luxury cars and all kinds of engineering vehicles。Electric transmission is rare，Only used on large mining vehicles。 Mechanical drive train 1、Composed mainly by the clutch、transmission、The universal transmission device and the drive axle are composed、In an off-road vehicle，Transfer case is also provided。Responsible for distributing the power of the transmission back to the drive axle。
2015-03-24 Reading quantity 2791
introduction：With an eccentric lock ringY-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 mainly suitable for applications where the rotation direction is inconvenient to fix。On one side of the bearing inner ring，Theres an eccentric extension，Fit with locking ring。Turn the locking ring on the inner ring extension in the direction of rotation，Lock the collar and bearing onto the shaft。And use a crew cut（immobilization
2015-03-24 Reading quantity 1436
introduction：concept：Nitriding is the process of infiltration of nitrogen atoms into the surface layer of steel，Its purpose is to improve the surface hardness and wear resistance，As well as improve fatigue strength and corrosion resistance。It uses ammonia gas to break down reactive nitrogen atoms when heated，After being absorbed by steel, a nitriding layer is formed on its surface，At the same time, it spreads to the center。 Nitriding is usually carried out using specialized equipment or well carburizing furnaces suitable for a variety of high-speed transmission precision gears、Machine tool spindle（Such as boring bar、Grinder owner），High speed diesel engine crankshaft、Valve etc。 Nitrogen chemical process route：forge－anneal－Rough finish－tempering－finishing－de-stress－Rough grinding－nitriding－fine
2015-03-24 Reading quantity 2782
introduction： In the grinding process，Due to abrasion of the grinding wheel itself，Constantly changing the state of the working surface of the grinding wheel。With the extension of grinding time，The cutting ability of the grinding wheel decreases，Various grinding defects continue to appear，The grinding process can not continue。now，Must trim the wheel，Return to normal grinding state。The actual grinding time of the grinding wheel between two dressing sessions is called the life of the grinding wheel。The life of grinding wheel is an important factor affecting the grinding effect，It is especially important for molding grinding。 Judging grinding wheel life It is generally based on various phenomena caused by the wear of the grinding wheel working face
2015-03-24 Reading quantity 2791
introduction： 1. GCr15bearing[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 role of silicon in steel It is beneficial to the formation of ferrite structure of body-centered cube，No carbides are formed in steel，Its to the left of iron in the periodic table，It is mainly soluble in iron。It has little effect on the diffusion coefficient of carbon in austenite，The rate of austenite formation
2015-03-24 Reading quantity 1553
introduction：The printing of commodity bar codes is mainly involved、Printing equipment、Printing location, etc，These three also affect the effect of packaging anti-counterfeiting。Consider from the anti-counterfeiting packaging，We can divide the printing location into on-site printing。 Bar code off-site printing operations are mainly carried out in professional printing plants，It is mainly supplied to enterprises in the form of trademarks or packaging boxes。Generally speaking, this printing method has low cost，The quality of printing is reliably guaranteed，The use of enterprises do not need to master the corresponding printing technology，These advantages have a strong attraction，Most companies are happy to adopt it，However, the anti-counterfeiting effect of this printing method is generally poor，
2015-03-24 Reading quantity 2878
introduction： 1． Radius This standard specifies the content of the grinding performance test method of emery cloth sandpaper：Test apparatus，Test condition，Sample preparation，Test procedures and treatment of test results。 This standard applies to emery cloth，River sandpaper water resistant sandpaper。 2． Test apparatus 2.1 Abrasive paper grinding performance tester a)Grinding performance tester grinding disc end runout is not greater than0.05mm；
2015-03-24 Reading quantity 2801
introduction： With high hardness﹑Tool steels with high wear and heat resistance﹐Also known as high-speed tool steel or front steel。High-speed steel is the Taylor of the United States﹐F.W.andM.Whitehoe1898It was created in 2000。High speed steel has good technological properties﹐Good match of strength and toughness﹐Therefore, it is mainly used to manufacture complex thin-edged and impact-resistant metal cutting tools﹐High temperature bearings can also be manufactured[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is fixed in the mechanical transmission process
2015-03-24 Reading quantity 2794
introduction： workpiece：Machining objects in machining。It can be a single part﹐It can also be a combination of several parts held together。 unit：Mechanical part﹐Consists of a number of parts fitted together。In the mechanical assembly process﹐These parts are first assembled into components(Component assembly)﹐And then into the general assembly。Certain parts(subpart)Larger components are assembled with additional components and parts before entering the total assembly。It is assembled from several parts﹐And there are larger parts with independent functions﹐In the automotive and certain other mechanical industries it is called an assembly。
2015-03-24 Reading quantity 2798
introduction：yield：3000bottle/Hour (s)/6000bottle/Hour (s) Filling bottle capacity：360ml-600ml one、summarize CGF24/12/63000bottle/Hour (s)(CGF16/16/5-6000bottle/Hour (s))model-specificPETBottle characteristics，Digested and absorbed Italy，France，Germany and other European and American contemporary advanced science and technology design。The whole machine system adopts inverted bottle jet washing，Bottle-neck conveying，Gravity support bottleneck perfusion，Manipulator grab，Advanced design such as magnetic adjustment of capping torque。Complete machine
2015-03-24 Reading quantity 2832
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