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introduction：1、Comply with general operating procedures for moulding machines and core machines。 2、Pay attention to adjusting the adjusting screws on the starting tree，Make the top rod lift and hide flat。 3、According to production needs，Adjusting screw for adjusting jar piston，Change the shock height and number of shocks。 4、After work，The indenter must not remain in the compaction position，Must be returned to its original place。
2014-12-29 Reading quantity 2780
introduction：Material protection techniques for removing organics and other foreign substances from metal surfaces。Organic matter mainly comes from the lubricants exposed to during the processing of mechanical products﹑Cutting fluid or temporary rust prevention agent。Foreign matter is generally referred to as abrasive dust﹑Residual salt﹑Metal scales and sweat stains。Metal cleaning is the basis of all effective protection measures。For general cleaning﹑No fat or chemically clean surface﹐In most cases, protective measures can be taken directly﹐Such as chemical conversion treatment﹑Surface alloying treatment﹑Corrosion prevention treatment, etc。But examine it microscopically﹐The cleaned surface still has a very small amount of oil film and a very thin natural oxide film﹑carbon
2014-12-29 Reading quantity 2774
introduction： 1.whenKOYOOuter 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。]What happens when the temperature is too high？ (1).The alarm bell will ring． (2).Water wheel mechanical failure light plate bright，The temperature of the instrument indicating the bearing temperature rises，Signal relay operation。 (3).thermometer
2014-12-29 Reading quantity 1436
introduction： pick to：This paper introduces the grinding of electric spindle driven by linear motor of high speed precision experimental grinding machine，Adjustment method of servo stiffness，The reasons of vibration caused by high-speed rotation of spindle and grinding wheel connecting rod system are analyzed，The improvement method is put forward，The result is very good。 To improve the line speed of the grinding wheel，Achieve high-speed precision grinding，For grinding wheel drive and 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
2014-12-29 Reading quantity 1459
introduction：1、Abide by《General operating rules for casting equipment》Relevant provisions。 2、Check the air leakage in the pipeline system and the lifting of the lower cylinder，Make sure everythings okay，Before production can proceed。 3、pre-work，Start the fan and conveyor belt，Then move the equipment。 4、When clamping the module，Be sure to align the center of the top and bottom rod，In order not to be in the vibration，Module falls off or flies out。 5、After the module is clamped，Make sure the door vibrates，Do not open the door to work。 6、When using a crane to lift the module，Do not hit the door handle。 7、It is found that the handle fails or the handle cannot be moved to the required position，Should be
2014-12-29 Reading quantity 2787
introduction： The car in the start，The two shafts of the gearbox are stationary，When we get in gear，You need to depress the clutch，At this point one shaft of the gearbox is separated from the power，Once in gear through the synchro，One axis also becomes stationary。When starting, there needs to be a certain semi-linkage time，To ensure a smooth start。I can tell you that when youre in a rookie car，Or turn off the engine when you start，Or he went out in a shudder，These are half linkage skills are not good performance。Power comes out of the flywheel at a certain speed，At this time there is a huge speed difference with one axis，That is why the requirements for a half linkage are higher when starting than when shifting
2014-12-29 Reading quantity 2784
introduction：Located in the famous ice city---Harbin，Is designed、Manufacturing and sales of various types of gear reducer specialized company。 The main products of the company are worm gear series reducer（Circular arc gear reducer、Flat envelope reducer、Cone envelope reducer）、NMRVSeries of aluminum alloy shell worm gear worm reducer、X、BSeries cycloidal pin gear reducer、WBSeries micro cycloidal pin gear reducer，Cylindrical gear series reducer（Hard gear reducer、Circular cylinder reducer）SWL（QWL）Worm gear screw elevator，The product has been fully approvedISO9001：2000authentication，To meet the market demand，The male
2014-12-29 Reading quantity 2812
introduction： 1.1 summarize In casting production，Casting solidification process is one of the most important processes，Most casting defects occur in this process。Numerical simulation of solidification process for optimization of casting process，It is very important to predict and control casting quality and various casting defects, as well as to improve production efficiency。 Numerical simulation of solidification process can achieve the following objectives： 1）Predict solidification time to predict productivity。 2）Predict the unpacking time。 3）Prediction of shrinkage and porosity。 4）Predict the surface temperature of the mold and the internal temperature distribution，In order to predict metal type surface melting
2014-12-29 Reading quantity 2775
introduction：Clean the surface of the machine before inspection，Then dismantleINABearing discharge[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。]Peripheral parts。Oil seals are fragile parts，Therefore, careful disassembly is required，Do not apply excessive force，Then carefully inspect the oil seal and its surrounding parts，If adverse symptoms have been shown，Be sure to replace，Bad oil seal will
2014-12-29 Reading quantity 1438
introduction：1.Physical and chemical properties of materials--form、Water content、Aqueous property、Water of crystallization、granularity、Unit weight、stickiness、Heat sensitivity、Softening point、Phase change point、thixotropy、Toxicity、corrosivity、Peculiar smell、 ignitability、Explosion hazard、Electrostatic property、Air permeability、aggregability、Breakability of crystals or particles... 2.Drying characteristics of materials--Drying curve under selected drying conditions、Critical moisture content、Equilibrium moisture content。 3.Drying yield requirements and future planning。 4.The effect of commodity value and drying effect on material。Such as product moisture、contaminate、temperature、wear、atomization、smash、Rehydration property.
2014-12-29 Reading quantity 2780
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