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introduction：1、SKFImported 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。]Model selection：SKFImported 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 model is generally set by the users technical personnel according to the conditions of use and load of the supporting product
2015-04-19 Reading quantity 1472
introduction：daliang shengchan jishu Mass production technique mass production technology In the machinery industry，When the production quantity and production scale of similar products are large to a certain extent，A series of production technical organization measures adopted to improve production efficiency and management level。In modern management，Mass production techniques are often used for the production of medium-batch products of the same type。Its advantage is that it can be widely used in various rates of special combined machine tools、Special process equipment、Advanced production process and technology（Such as die forging、fine
2015-04-19 Reading quantity 2808
introduction：In recent years ，With the improvement of peoples living standards，Car into the home，The demand for plastic is increasing，VCDThe popularity of，DVDThe advent of...，The demand for transparent plastics is increasing，PMMAAs a transparent plastic，High light transmittance，Widely used in high precision telescope lenses，eyepiece，Objective lens，But the injection molding process has been difficult to break through，Technology is again monopolized by Japan，Domestic enterprises and scientific research institutes have research but still can not break through，This has always been a national pain，I hope you all have your say，Give some of your opinions，Especially the precision injection molding process。 PMMAInjection molding is indeed very troublesome，Be plentiful in
2015-04-19 Reading quantity 2922
introduction： Numerical control drill Bed and CNC milling machine is an important equipment in circuit board processing，The equipment is expensive，The choice of CNC machine tools is not only for operation、Process setup and maintenance are important to the quality of the products produced。 As a technician for purely technical and operational reasons，The selection indicators of CNC machine tools generally start from the following aspects： 1.The rigidity and stability of the machine table： In order to make the machine tool has enough stability、Rigidity to avoid vibration Many manufacturers use marble as a bed material，Some Japanese manufacturers use steel for their beds，Because the steel is at different temperatures
2015-04-19 Reading quantity 2810
introduction：（1）dosing：Specific alloy grades are produced as required，Calculate the amount of various alloy components added，Reasonable mix of raw materials。 （2）Smelting：The prepared raw materials are added to the melting furnace according to the process requirements for melting，And by degassing、Slag removal refining means to remove impurities in the melt、Effective gas removal。 （3）cast：Molten aluminum in a certain casting process conditions，By deep well casting system，Cooling casting into various sizes of round casting rods。
2015-04-19 Reading quantity 1471
introduction： Welding material used as a melting electrode in manual arc welding﹐Also known as the electrode。The electrode consists of a welding core and a coating coated on the outside of the welding core。When welding﹐The electrode and the workpiece each act as an electrode﹐Create an electric arc between them﹐After melting, the electrode is combined with the molten base material as a filler metal﹐Weld metal。The welding core of the electrode is generally made of the same metal as the base material by drawing﹐But in order to ensure the mechanical properties of the weld after welding﹐The harmful elements and impurities contained are often lower than the base material。Medicine skin made of ore﹑Chemical substance﹑Organic matter﹑Ferroalloy and other powders and bonding agents
2015-04-19 Reading quantity 2831
introduction：Machining straight teeth with hob according to forming method、Gear machining machine for helical and herringbone gears and worm gears。This machine can also process splines and sprockets and other special tooth shapes when using a special hob。The processing accuracy of ordinary gear hobbing machine is7～6level(JB179-83),High precision gear hobbing machine4～3level。Maximum machining diameter up to15meter。 Gear hobbing machine according to the layout is divided into vertical and horizontal two categories。Large and medium-sized hobbing machines are mostly vertical（figure1[Vertical gear hobbing machine(Table movement)]、figure2[Vertical gear hobbing machine(Column movement)]），Small gear hobbing machine and dedicated to processing long shaft gear hobbing machine are
2015-04-19 Reading quantity 2830
introduction： 1.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 outer packaging is clear In general，Imported bearings of the factory brand[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。]Have their own dedicated design staff external
2015-04-19 Reading quantity 1464
introduction： The shaft on a machine that turns a workpiece or tool。Usually by principal axis﹑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。]And drive(Gear or pulley)And other components of the spindle。In addition to planer﹑Broaching machine outside where the main motion is linear﹐Most machine tools have spindle components。The motion accuracy and structural stiffness of the spindle components are determined
2015-04-19 Reading quantity 2902
introduction：Nc programming is presentCAD/CAPP/CAMOne of the most obvious benefits of the system，It is in the realization of design and processing automation、Improve machining precision and machining quality、Shortening product development cycle plays an important role。In industries such as aviation、The automotive industry and other fields have a large number of applications。Due to the actual strong demand for production，Numerical control programming technology has been extensively studied both at home and abroad，And achieved fruitful results。The following is some introduction to numerical control programming and its development。 Basic concepts of numerical control programming Nc programming is the whole process from part drawing to obtaining NC machining program。it
2015-04-19 Reading quantity 2801
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