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introduction： By purpose，The basic structural parts of plastic molds can be divided into two categorieso (1)Forming part It is the part that determines the size and shape of the plastic part。 (2)Structural parts Parts other than formed parts in the plastic process。 As shown in the figure1—xAs indicated，core4、concave
2015-01-31 Reading quantity 2893
introduction：http://www.hljjsj.cn The reducer is a relatively precise machine，The purpose of using it is to reduce the speed，Increase torque。There are many kinds of it，Different models，Different kinds have different use categories： 1、According to the transmission type can be divided into Gear reducer、worm Reducer and planetary gear reducer； 2、According to the different transmission series can be divided into single stage and multistage reducer；&n
2015-01-31 Reading quantity 2833
introduction： As for the various trace ingredients used in the premixing process，The material must be prepared manually by the operator。The operator performing this operation must have a material preparation order that will generate premixed finished ingredients upon completion of the order。The pre-mixed ingredients are then transferred to the production warehouse。 Complete the ingredients if needed，The operator must then search the production warehouse for the appropriate premix to complete the ingredients，It is then transferred to a manual feeding station。 Below we will explain how data and raw materials flow throughout the production process，
2015-01-31 Reading quantity 2956
introduction： Available acid﹑The corrosive dissolution of the workpiece material by an aqueous solution of alkali or salt to obtain the desired shape﹑Special processing of workpiece size or surface state﹐English abbreviation CHM。The composition of the etch used in chemical processing depends on the nature of the material being processed﹐The commonly used etch solution is sulfuric acid﹑Phosphoric acid﹑Aqueous solution of nitric acid and ferric chloride﹐For aluminum and its alloys, sodium hydroxide solution is used。Chemical processing is mainly divided into chemical milling﹑Photochemical processing and chemical surface treatment3means。 Chemical processing was used earlier﹐14the
2015-01-31 Reading quantity 2829
introduction： A non-rigid coupling with liquid as the working medium﹐Also known as hydraulic coupling。Hydraulic coupler(See picture Schematic diagram of hydraulic coupler )The pump wheel and turbine form a closed working chamber that circulates the liquid﹐The pump wheel is mounted on the input shaft﹐The turbine is mounted on the output shaft。Power engine(Internal combustion engine﹑Motor etc)Drive the input shaft to rotate﹐The liquid is thrown out by the centrifugal pump wheel。The high-speed liquid enters the turbine and spins it﹐The energy obtained from the pump wheel is transferred to the output shaft。Finally, the liquid returns to the pump wheel﹐Form a cycle of flow。The hydraulic coupler relies on the liquid and the pump wheel﹑The blades of the turbine interact with each other
2015-01-31 Reading quantity 2833
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。]After installation，To check that the installation is correct，An operational check is required。Small machines can be turned by hand，To make sure the rotation is smooth。Check items for foreign bodies、scar、Poor operation due to indentation，Due to poor installation，The torque caused by poor machining of the mounting seat is unstable，Because the clearance is too small、Installation error、Seal friction caused by excessive torque and so on。Power operation can begin if there is no anomaly。 Big machines dont work well
2015-01-31 Reading quantity 1572
introduction：（1）protrude"fine、Economize on harmony" （2）Stamping more"scientization、Digitalization and controllability" （3）Stamping can realize the whole process control （4）Products are controlled from the beginning of design，Process consideration （5）Flexibility and flexibility in stamping production （6）The application of composite technology Future development： （1）Electronic technology from design to business，E-commerce has brought buyer auctions，It has increased the difficulty of competition in the industry。 （2）Enterprises determined to participate in market competition，We must develop specialized production of products。 （3）Stamping parts factory will participate
2015-01-31 Reading quantity 2806
introduction： By using the Contour selection tool，Users can apply almost any type of sketch to create solid features。however，Different shapes of the sketch will form different solid features。table3-3A sketch of the different shapes that might appear is listed。To be clear，Some of the technologies listed in the table are advanced application technologies，The book will be discussed in subsequent chapters and《SolidWorks Official certification training course：Advanced part modeling》The book explains。 table3-3 Different types of sketch shapes The grass
2015-01-31 Reading quantity 2890
introduction：Static pressureNSKbearing[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。]With its high rotation accuracy、strong、High bearing capacity、No wear、High durability。 1.Orifice throttling
2015-01-31 Reading quantity 1470
introduction： yesterday，The reporter learned from Xuzhou City labor vocational skills appraisal guidance center，In order to further accelerate the training of highly skilled personnel，Our city Labor and Social Security Bureau vocational skills appraisal guidance center from today19Occupations（Type of work）technician、Senior technicians to identify。 It is understood，technician、The type of work declared by the senior technician is turning worker、Nc turning machine、Machining center operator、welder、tongman、Machine repair fitter、Maintenance electrician、Car mechanic、motorist、beautician、hairdresser、Chinese cook、Health masseur、pedicurist、Home electronics repairman、Glasses ordering worker、ophthalmoscopy
2015-01-31 Reading quantity 2820
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