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introduction：Common plastic products such as switch covers、Meter housing、Button box、Electrical insulation such as wiring boards and lamps、button、disc、Calculating rule、radio、Camera material、Washing machine sink，All require surface polishing，To remove trace defects，It shows a certain gloss，Meet the use requirements。 Surface polishing of plastic products，Generally, the power used is1.2-2.2Kilowatt ground polisher，For large parts，A portable polishing machine can be used。Polishing machine casting wheel，Usually sheets of wool or muslin are laid on top of each other，Every other3—6mmConnect with thread seams，Stack up3—4cm，doubling
2014-12-31 Reading quantity 2768
introduction： two、Falling film evaporator With the continuous expansion of the scale of sugar mills，Countries attach great importance to the development of sugar machine equipment；Falling film evaporator is used in the evaporation section，It is one of the ways to improve the evaporation intensity。 Belgian Frandell(Feandres)The sugar factory and Genap(Genappe)Sugar refinery，This kind of equipment is used in production；According to reports, the effect is good。 Flandell Sugar Factory in Belgium，The various types of evaporation tanks used are compared，The contrast of its evaporation intensity is： Such as the standard type evaporation tank
2014-12-31 Reading quantity 2769
introduction：SwissUrmaCompany and GermanyPaulHornCompanies are working together，Developed a unique tool system for grooving to date。This kind of machining can be subdivided into axial machining and boring machining2parts。 Axial machining Axial machining or flat bottom reaming from5mmFrom diameter，Its cutting width from1mmsince。The depth of the groove depends on the blade used。In the standard procedure of axial machining，HornThe companys axial processingDmin＝5mm，Cutting width is1mm，The maximum grooving depth is2mm。From outside diameter20mmAnd cutting width
2014-12-31 Reading quantity 2761
introduction：(one)definition Equipment manufacturing industry is the general term of each manufacturing industry that provides technical equipment for simple and extended reproduction of various departments of the national economy，Its product range includes machinery industry(Aviation included、spaceflight、Shipbuilding and weapons manufacturing industries)And investment products in the electronics industry。According to equipment function and importance，The equipment manufacturing industry mainly includes the following three aspects： First, major advanced basic machinery,The equipment that makes the equipment professional“Master plane”，It mainly includes CNC machine tools(NC)、Flexible manufacturing cell(FMC)、Flexible manufacturing system(FMS)、Computer integrated system
2014-12-31 Reading quantity 2781
introduction：jixie zhizao yong gang Steel for machine building steel for machine building Structural steel used to make mechanical parts that bear loads or transmit work and force，Also known as machine structural steel。The requirement for this kind of steel is high strength、Suitable toughness and good manufacturing process，forgeability、Machinability, etc。This kind of steel is generally used after proper heat treatment。Steel for mechanical manufacturing can be divided into tempered steel according to its use、Surface hardened steel（Including carburizing steel、Nitrided steel、Low hardenability steel）、Free cutting steel、spring
2014-12-31 Reading quantity 2776
introduction：Imported 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 examination should be carried out under an astigmatic lamp，On the appearance of the bearing、Cracks and other areas for careful observation。 1、Peel and fold： The two defects are not locally bound to the base metal，And there are often decarbonization or carbon poverty phenomenon around it to varying degrees，Materials fall easily、Dent or wear，It is very bad for bearing life and accuracy。 2、Riveting of cage
2014-12-31 Reading quantity 1441
introduction： Gear reducer installation, use and maintenance. Gear reducer use and maintenance one.Precautions before installation： 1. The installation shaft should be cleaned before use。And check whether the mounting shaft is bruised、feculence，If any, all should be removed。 2．The operating temperature of the reducer is 0～40 ℃。 3．Check the hole connecting to the reducer（OR-axis）Whether the matching size meets the requirements，
2014-12-31 Reading quantity 2789
introduction： The injection molding machine is arranged according to the injection device and the mold locking device，Divided into vertical、Horizontal type and vertical type。Their respective characteristics are as follows。 Characteristics of vertical injection molding machine： 1、The injection device and the clamping device are located on the same vertical center line，And the mold is opened and closed in an up and down direction。Its floor space is only about half that of the horizontal machine，therefore，Converted into an area of production is about twice。 2、Easy to achieve insert molding。Because the die faces up，Insert placement is easy。Use the following template to fix、The upper template can be moved，drawstring
2014-12-31 Reading quantity 2778
introduction： RPMThe main trends in technology are： 1.Different manufacturing objectives develop relatively independently In terms of manufacturing objectives，RPMBe mainly used for①Rapid conceptual design prototyping，②Rapid prototyping of molds，③Rapid functional test prototyping and④Fast functional parts manufacturing。 Due to the huge market and technical feasibility of rapid conceptual manufacturing and rapid prototyping，These two aspects will be the focus of research and commercialization in the future。Due to the characteristics of each other there is a big gap，The two will develop relatively independently
2014-12-31 Reading quantity 2774
introduction： One of the main functions of the hot runner is to inject the plastic melt in the hot runner during the molding cycle、The correct working temperature is maintained during the holding and cooling phases；This is followed by a more gentle transport of plastic melt，Minimize the pressure and the shear stress applied to it。therefore，The use and quality of the hot runner will affect the final performance of the finished plastic product，The user must thoroughly understand the various combinations of hot runner and its equipment。 Sealing concept In the hot runner system，All paired surfaces over which the resin flows are sealed。Where leaks often happen，It is the sealing point between the nozzle and the shunt。For not
2014-12-31 Reading quantity 2777
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