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introduction：For 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。]Good performance，First of all，To select suitable use premise、Lubrication method for purpose of use。In addition，Increased vibration and friction can greatly increase energy consumption and the risk of premature failure。Method of bearing lubrication，It is divided into grease lubrication and oil lubrication。Thickeners are also related to lubrication
2015-02-15 Reading quantity 1563
introduction：There are many ways to leak oil，But the most common is initiative、The seal of the driven shaft head is leaking oil，In particular, the oil leakage in the sealing ring of the drive shaft is the most serious。In addition to the above several cases，And the following3Oil spill site。 (1)Leakage along the reducer close case face； (2)Leakage along the top sight hole cover of the reducer； (3)Leakage along the oil drain hole at the bottom of the reducer。 Individual reducer in the assembly of the box，There are iron filings on the sealing surface, which makes the sealing surface loose and causes oil leakage。Causes of oil leakage on closing surface，In addition to the above factors，More important is the reducer after a period of use，Shell deformation，Cause closed box face not
2015-02-15 Reading quantity 2779
introduction： The forging force of the friction press can also be calculated according to the following empirical formula： P＝(17.5~28)KF(KN) ShizhongF-Total deformation area of forging(Including forging area、Punching skin area and raw edge area)(cm2); K-Steel grade coefficient，The values are shown in the table3。 coefficient28It is used when deformation is difficult and high productivity is required，Vice versa17.5。 According to the statistics of production experience, the maximum forging inch can be forged。
2015-02-15 Reading quantity 2815
introduction：Rubber spring A spring made of rubber。The elastic modulus of rubber spring is small﹐Large elastic deformation after loading﹐To absorb shock and vibration。It can be subjected to multiple loads simultaneously﹐However, the resistance to high temperature and oil is worse than that of steel springs。Rubber springs are commonly used in mechanical equipment﹑Vehicle walking mechanism and suspension﹐Damping and buffering effect。The rubber spring can be designed into various structural forms according to the work needs(See picture Structural form of rubber spring )﹐Commonly used are cylindrical shapes﹑Truncated cone﹑rhomboid﹑Ring sleeve and combined type, etc。In order to keep a certain shape and transfer the load after the spring is loaded﹐Rubber springs are equipped with steel plates﹑Round tube﹑disc﹑round
2015-02-15 Reading quantity 2814
introduction：(3)Oil film bearings for rolling steel[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。]Lubrication system：Rolling oil film bearing lubrication system has dynamic pressure system，Static pressure system and hybrid system。The liquid friction condition of dynamic pressure bearing can only be formed when the roller has a certain speed。When the rolling mill starts、When braking or reversing，The change in velocity does not guarantee the liquid
2015-02-15 Reading quantity 1450
introduction：feiqi wolun zengya Exhaust turbocharging exhaust turbocharging The method of using the exhaust energy of the internal combustion engine to drive the exhaust gas turbocharger to achieve the supercharging of the internal combustion engine。Exhaust gas turbocharger（Turbo charger for short）By turbine（Divisible turbine）And the compressor(See compressor)Two main components，And shafts and 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
2015-02-15 Reading quantity 2780
introduction：Coal feeder is an important part of pulverizing system in power plant，It is an important auxiliary power equipment of power plant，Its main task is to provide raw materials for pulverizing system pulverizers。 Process flow chart of pulverizing system System function block diagram According to the importance of stable operation of coal feeder，Adopt redundant control system。 Frequency conversion speed control system electrical circuit diagram The electrical circuit is switched by air、contactor、Intermediate relay、Current transformer、Terminal strip、Cable composition。The inverter is powered by a double circuit power supply，When a power supply works，The other power supply is used as backup power supply
2015-02-15 Reading quantity 2784
introduction：With the improvement of peoples living standards，Bottled soy milk，The market demand for dairy drinks such as milk is expanding。At present, the bottles used by manufacturers of such drinks are mainly recycled bottles，And the bottle shape is also various。Some manufacturers use pools to soak recycled bottles for a long time，Wash the bottle manually with a brush or with some semi-automatic bottle washing equipment，The result is inefficient bottle washing、Low yield、High energy consumption，Health care is also relatively poor。With the needs of market competition and the continuous expansion of production scale，Previous bottle washing equipment and processes have been unable to meet the requirements of dairy manufacturers。Adopt a new type、The rate of bottle washing equipment has become inevitable
2015-02-15 Reading quantity 2785
introduction：jiezhi zhihuifa Stop check valve stop-check valve Multi-purpose valve with both stop and check valve functions。Its structure is similar to that of a globe valve（See picture[Structure type of stop check valve]），But the stem and disc are not fixed。When the stem is lowered and the disc is pressed against the seat，It acts as a stop valve；After the stem rises，Start and check valve action。Install a stop valve at the same time(Or gate valve)And check valve on the pipe（Such as the outlet end of the pump），Or in places where installation locations are restricted（Like a ship），Use stop check valve can
2015-02-15 Reading quantity 2778
introduction：【pick to】This paper mainly introduces the application of advanced parametric design softwarePro/ENGINEER，Build graphics library、Archive、Knowledge base、Routine library，Realize the automatic design of die casting mold structure。 【keyword】Die casting die Parametric design routine Pro/ENGINEERSoftware is AmericanPTCcompany-launchedCAD/CAM/CAESoftware product，Pr
2015-02-15 Reading quantity 2881
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