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introduction：First up is the，Size limitation。 usualSKFImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap。]The space that can be installed is limited。In most cases，Shaft diameter（orSKFImported bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap
2015-03-31 Reading quantity 1440
introduction：The materials used to make the shell can be divided into two types，One is used to form the shell directly，Such as refractory、Binder etc；The other is to obtain a high-quality shell，Simplified operation、Materials used to improve the process，Like flux、hardener、surfactants。 1）refractory At present, the refractory materials used in investment casting are mainly quartz and corundum，And aluminum silicate refractories，fireclay、aluvanite、Charred stone。Zircon is sometimes used、magnesia（MgO）Etc.。 2）Binding agent The most common binder used in investment casting is silicic acid colloidal solution（Silica sol for short），Such as silicon
2015-03-31 Reading quantity 1527
introduction：The first time： today，The students come to the workshop for the first time，First put the workshop general situation，Arrangement of internship content，Safety precautions and practice discipline are briefly introduced。 Characteristics of casting production：Casting is the process of pouring liquid metal into a mold and letting the metal cool、Method of producing castings obtained after solidification。 Any other blank cast out，To be machined into another piece，The main source of billets is the blacksmith、weld、Foundry and other jobs provided。For general power machinery，The proportion of castings80～85%above，Castings have many advantages such as：Shape can
2015-03-31 Reading quantity 2880
introduction：The main axis is perpendicular to the horizontal plane﹑A lathe in which the workpiece is mounted on a horizontal rotating workbench﹐Short for vertical car。Vertical lathe is usually used for machining diameter and weight is relatively large﹐Or parts that are difficult to install on a horizontal lathe(See color diagram Portable car﹑milling﹑boring﹑Drilling and other multi-functional processing CJ52125V vertical lathe(Maximum machining diameter up to15meter)﹐In processing turbine seat ring)。To meet the needs of processing large workpieces﹐1890The vertical lathe appeared in the United States。20century30age﹐Made in Germany
2015-03-31 Reading quantity 2878
introduction： A length measuring tool that uses the photoelectric principle to aim the line pattern of the line gauge。The photoelectric microscope is mainly used for the verification and engraving of high precision linear scale﹐It is also used for coordinate positioning of precision machine tools。It is developed in order to solve the problem of low accuracy of reading microscope and can not be automatically aimed。to20century40Late epoch﹐Aiming accuracy achieved±0.05Micrometer above。Photoelectric microscopes are divided into oscillator type and differential photometric type。 Oscillator type photoelectric microscope There are transmission type and reflection type
2015-03-31 Reading quantity 2880
introduction： die mould figure file, chart fileDrawings and documents cutting die, blanking dieBlanking die progressive die, follow (-on)die Modulus of continuity compound dieComposite die punched holepunching panel boardInsert block to cutedges=side cut=side scraptrimming t
2015-03-31 Reading quantity 2881
introduction： How to improve the work progress of turbine reducer type selection？First of all, determine the type of reducer you need（RVperhapsWP），The torque is calculated according to the actual demand、power、Transmission ratio and other relevant parameters，While communicating with the reducer manufacturer，These parameters should be provided to the reducer manufacturers for reference。If not clear reducer selection matters，Should be timely with the reducer factory technicians or customer service staff to communicate，And get the help of reducer manufacturers and technical support。 The number of turbine reducer models and types is too large，Early type selection worker
2015-03-31 Reading quantity 2878
introduction： 1.Master model 2.MoveWCS:As illustrated 3. build state line: LN1 4. spin turn LN1: About Zc / Start angle=0 / End angle=90 First offset=0 / Second offset >=Model height
2015-03-31 Reading quantity 2819
introduction： Gear processing process Disk gear machining：Forging normalizing→Take samples for chemical analysis→Coarse wool embryo car to black skin→Ultrasonic inspection→tempering→Size of each part of the rough car→Ultrasonic inspection→tongman→Gear hobbing→carburizing→Semi-refined car to remove carbon layer→quench→Shot peening→Fine car each department→Finishing standard→Gear wire cut keyway→Fine grinding teeth to requirements（Including modification）→Metrological inspection→Check tooth surface hardness→Magnetic powder tooth surface inspection→demagnetizing→deburring→Incoming inspection。 Gear shaft machining：Forging normalizing→Take samples for chemical analysis→Rough car wool embryo car to black
2015-03-31 Reading quantity 2926
introduction： The method of welding by using the impact force generated by explosive explosion to cause the workpiece to collide rapidly(figure1 Explosive welding diagram )。20century 50End of era﹐When machining parts by explosive forming﹐It is found that there is a partial welding phenomenon between the part and the mold﹐Thus came the method of explosive welding。Explosive welding time﹐The explosive is usually applied directly to the surface of the cladding﹐Or plastic is placed between the explosive and the cladding plate﹑The rubber acts as a buffer。There are generally parallel gaps or angular gaps between the cladding plate and the substrate﹐A thick anvil is placed under the substrate。The impact of the explosive detonating
2015-03-31 Reading quantity 2813
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