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introduction：1、Ugin should be free from slag inclusion、Air hole、pit、Defects such as cracks or peeling。 2、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。]All horizontal joints must be in good contact，with0.05Mm gauge check shall not be inserted。Bushing and bearing shell must be tightly connected。The joint between the spherical surface of the bearing and its socket must be smooth，
2015-02-16 Reading quantity 1545
introduction： Die polishing Actual prompt Diamond plaster is the most commonly used abrasive material for polishing operations。 Use the right grinding paste and polishing tools，Excellent polishing results are obtained。Manual operation（Labour）Polishing tools commonly used are grinding rods、Grinding pieces and grinding blocks，The common tools for mechanical polishing are polishing cloth wheels，Polishing brush and polishing turntable。 Polishing tools have different hardness materials，Slave metal，Various fibers（Like timber，Artificial fibre）To soft wool consumption。The hardness of the polishing tool directly affects the degree of diamond abrasive exposure，Thus, the removal rate of metals is affected，As shown in the following picture。 throw
2015-02-16 Reading quantity 2789
introduction：Junior worker Should know： １．Gravure printing machine model、Technical specifications and functions of main components and maintenance methods； ２．Structure and oil quality of lubrication system of gravure printing machine、Quantity of oil、Refueling cycle； ３．Common tool、Name and usage of measuring tools； ４．Inks used，Names of solvents and additional materials、Type and scope of application； ５．The names of various types of paper are commonly used、Nature and specification； ６．Quality requirements for general printed matter； ７．Safety technical operating regulations
2015-02-16 Reading quantity 2899
introduction：There are many types of guides，Rolling guide，Slide rail, etc.，The rolling guide rail is divided into a variety of guide rails
2015-02-16 Reading quantity 38564
introduction： The heat treatment process of die steel refers to the heating of die steel、During cooling，Specific heat treatment heating according to the structure transformation law、Process parameters for heat preservation and cooling。By heating、Differences in cooling methods and obtained microstructure and properties，The heat treatment process can be divided into conventional heat treatment、Surface heat treatment（Surface quenching and chemical heat treatment）Etc.。 According to the position and role of heat treatment in the production process of parts，Heat treatment can be divided into preliminary heat treatment and final heat treatment。The conventional heat treatment of die steel mainly includes annealing、normalizing、Quenching and tempering。Due to vacuum heat treatment technology has to prevent heating oxidation、Not take off
2015-02-16 Reading quantity 1528
introduction：bnormal glow Irregular glow discharge arc discharge Arc discharge belt belt centreless acardia chrome bronze Chrome copper clearance angle Posterior Angle corner shear drop Right Angle sag deflection radiality discharge energy Discharge energy dressing trim dwell Pressure maintaining flange flange
2015-02-16 Reading quantity 2791
introduction：1.Make use ofEMX4.0->item->New Create newEMXassembly Matters needing attention! If you want to save files automatically Please set as follows EMX4.0->assist->Options->Configuration options Add the design tool assembly file! 2.Utilization element->Assemble the designed mold assembly file into the assembly Use default or use alignment coordinates
2015-02-16 Reading quantity 2830
introduction： [Abstract]Introduced the applicationCADsoftwarePm／EandCAMsoftwareCimatorn12Design and design of die casting for tubular special partsCNCThe whole process of addition。 [keyword]：Pipe casting；Pro／E；Die casting mold design 1 introduction At present，Tubular castings are widely used in gas appliances and other products：Such as Guangdong Wanjiale，Huadi Zhongshan，There are many such parts in the products of gas appliances of Zhongshan Haoshan and other companies。These parts have a tubular appearance、The structure is similar to the characteristics of tee，Round tube、Square and various valve bodies
2015-02-16 Reading quantity 2784
introduction：Premium car seats are required by seat shape，The skeleton usually has3Dimensional large radius compound arc，As a professional factory producing car seats，We often have such parts to process。 Anhui Feihe bus factory Casebauer luxury passenger car seat back frame，Large forming arc，There are4Species bending radius，And have3Dimensional complex bending，The sophisticated pipe bending equipment we have at our disposal-American Eaton Leonard company vector bending machineVB200HPOnly the bending radius can be bent203.2mmInside the pipe fittings。 How to use the pipe bender to bend such a large radius3Dimensional complex bending We analyzed the characteristics of the parts:Have the right shape
2015-02-16 Reading quantity 2894
introduction： 1) Very low temperature machine lubrication Rocket fuel liquid oxygen (-183℃)、Liquid hydrogen (-253℃) When pumped from tank to combustion chamber，Low temperature lubrication of pumps self-lubricating bearings made of teflon and copper powder[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。]，Retainer for rolling bearingsMo
2015-02-16 Reading quantity 2797
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