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introduction： 1．The size and shape of the casting are accurate，Good repeatability，It has the characteristics of precision casting； 2．High surface finish of castings； 3．The core and core making department were eliminated，Eradicated due to core making、Casting defects and waste products caused by core cutting； 4．out-of-box、unfetch，Greatly simplified the modeling process，Eliminate the cause of the mold、Casting defects and rejects caused by closed cases； 5．No binder is used、anhydrous、Dry sand molding without any additives，Eradicated due to moisture、Various casting defects caused by additives and binders
2015-02-08 Reading quantity 2942
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。]It is widely used in the machinery industry、Demanding accessories and base parts，Its called a mechanical joint。Simple bearing structure、Internal complexity，Its development needs to consider more than just materials、Manufacturing process and application conditions，It also involves large-scale calculations and analysis。Most of the current bearing industry uses traditional2DCADDesign method、Based onExcelCalculation as well as pure3DStructural design and analysis of tools，And use a simple shaft
2015-02-08 Reading quantity 1626
introduction：Rolling 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。]During routine inspection of goods，It must be carried out under the conditions specified in the national standards。 (1)Temperature conditions at the time of measurement The ambient temperature at the time of measurement is specified as20℃，Middle bearing、Gauge block、The temperature of standard parts and measuring instruments must be the same，Said general
2015-02-08 Reading quantity 1513
introduction：Mix the fuel and air properly，A device for stabilizing the ignition and complete combustion of fuel。The burner is used to burn pulverized coal、Liquid fuel and gas fuel boilers and industrial furnaces。Small coal-fired boilers generally use layer firing，No burner required。Burners can be divided into pulverized coal burners according to the different fuels burned、Oil burner and gas burner3class。 Pulverized coal burners are divided into two types: swirl flow and direct flow。 ① Swirl pulverized coal burner:Mainly by a wind cyclone、Secondary air conditioning damper（Swirl blade or volute）Imari、Secondary air nozzle composition(figure1 [Swirl pulverized coal combustion
2015-02-08 Reading quantity 2880
introduction： SKFbearing[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。]Type suffixD - KPartial description SKFThere are tens of thousands of bearing types，Therefore, each bearing type has a special differentiation method and application material，And the corresponding size and clearance，Cages and so on，So there you have itSKFpostbearing
2015-02-08 Reading quantity 1795
introduction：1.Lamp pumpingYAGLaser marking machine Lamp pumpYAGThe laser marking machine uses a stable condensing cavity、Large multiplier laser beam expanding system，Better beam quality，High laser power，High peak power，Small pulse width，More concentrated energy；Energy can be generated by electric currents、Software control is continuously adjustable，The carving depth is deep（<2.0mm）；Industry applications are more targeted High laser power，Good stability；Laser mode stabilization，Narrow pulse width，Laser energy is more concentrated；Width of carved line（<150μm）evenness、elaborate；Engraving depth ability is strong、High efficiency；Complete light path
2015-02-08 Reading quantity 1524
introduction：Plastic packaging enterprise production equipment，The auxiliary equipment that consumes the most energy is the air compressor，Generally, manufacturers will incorporate low-pressure gas consumption into high-pressure air compressors when purchasing new equipment，But over time，Wear and tear in all aspects of equipment，The gas volume is much lower than before，The reduction in gas volume has led many companies to purchase low-pressure air compressors to meet the requirements，Product costs increase invisibly，However, the high-pressure gas generated by the high-pressure air compressor is usually directly discharged after the completion of the high-pressure setting，Waste of resources，If we recycle this resource effectively，And take advantage of the low pressure system，That would be money
2015-02-08 Reading quantity 2911
introduction： Most ofNSKbearing[NSKbearing:Seiko Co., LTD（NSK LTD.）Be established in1916years，It is the first manufacturer to design and produce bearings in Japan。NSKThe function of the bearing fit is to makeNSKThe stationary ring and rotating ring of the bearing are respectively the stationary part of the installation part(Usually a bearing seat)And rotating part(Usually an axis)Solidify together，Thus, the basic tasks of transferring the load in the rotating state and defining the position of the moving system relative to the stationary system are realized。]There are many causes of damage，Like a load that exceeds the original estimate、Ineffective seal、Too tight common
2015-02-08 Reading quantity 1502
introduction：recent，In the State food Bureau organized the state directly under the grain storage equipment bidding，Many units have ordered quantitative packing scales，Its performance and proficiency directly affect the economic benefit of the national grain reserve。In this context，Mastering the necessary debugging knowledge is very urgent and necessary for grain storage。 one、Basic working principle and structure When the quantitative packaging scale enters the automatic operation state，The control system opens the feed door and starts feeding，The feeding device is fast、Slow two-stage feeding method；When the weight of the material reaches the set value of fast feed，Stop quick feed，Keep slow
2015-02-08 Reading quantity 2910
introduction：timkenbearing[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 use factor mainly refers to the installation adjustment、Service and maintenance、Whether the maintenance and repair meet the technical requirements。Bearing mounting、Use、maintenance、Technical requirements for maintenance，The load on the running bearing、Rotational speed、Operating temperature、Vibration、Noise and lubrication conditions are carried out
2015-02-08 Reading quantity 1578
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