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introduction：Casting is to melt the metal into a liquid that meets certain requirements and pour it into the mold，Cooling set、After finishing, a predetermined shape is obtained、Size and properties of the casting process。Casting is one of the basic processes of modern machinery manufacturing industry。 Casting is a kind of metal hot working technology that human beings have mastered relatively early，Had an appointment6000History of the year。China is about BC1700～before1000Between the years has entered the heyday of bronze casting，The technology has reached a very high level。The Shang Dynasty of China875Kilo Simuwu square tripod，Zeng Hou Yi of the Warring States Period，A mirror of the Western Han Dynasty，Its all ancient.
2015-01-05 Reading quantity 1460
introduction： one、use：This machine can press loose material into the ideal shape，To improve the packaging、Transport and storage，Participate in market competition and export to earn foreign exchange。Can be widely used in food（Benel and other lint products）Pharmaceutical and other industries。 two、structure、Principle and characteristics：Local host、Hydraulic station and electrical cabinet are composed of three parts。There are six containers arranged on the turntable of the main engine，The steering cylinder makes the turntable rotate each time60°，The master cylinder is lifted and lowered every time，Make two receptors press simultaneously，The two cylinders operate alternately under the control of the electrical cabinet，Realize the automatic cycle of the host continuous work。Two working people in the mainframe
2015-01-05 Reading quantity 2813
introduction： 61 GB/T 6913.2-1986 Methods for analysis of boiler water and cooling water Determination of phosphate Total inorganic phosphate Methods for analysis of water for boiler and for cooling--The determination of phosphates--Total inorganic phosphates 62 GB/T 6913.3-1986 Boiler water and cooling water analysis
2015-01-05 Reading quantity 2865
introduction：Design of injection molding mold one、 The key points of mold design and the relationship with injection machine。 <one>Key points of mold design： The flow of the melt:Flowing Yin force，speed，approach,refusion,venting。 Melt cooling shrinkage and feeding。 Mold cooling and heating。 The relevant dimensions of the mold and the injection mechanism are related。 The overall structure of the mold and the structure of the parts,Consider mold installation and machining strength,precision。 <two>The relationship between mold and injection molding machine： Technical specification for injection molding machines:type,Maximum injection,Maximum injection
2015-01-05 Reading quantity 2816
introduction： 1、Detection method 1.1 Hardness test method according toJB/T7361《Rolling 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。]Hardness test methods for parts》Regulation of...。 1.2 Test method of microstructure according toJB/T1255 Regulation of...。 1.3 Measurement of dimensional tolerances and rotation accuracy
2015-01-05 Reading quantity 1574
introduction：Abstract：A virtual enterprise model for agile supply system is proposed for machine tool enterprises，The characteristics of virtual enterprise model of machine tool industry are analyzed、The prerequisite and principle for the implementation of agile supply system virtual enterprise，Finally, the establishment process of virtual enterprise for agile supply system is given。 keyword：Machine tool enterprise Agile manufacturing Virtual enterprise Supply system 1、introduction The machine tool industry undertakes the task of providing basic equipment and process technology for the entire national economy，Have strategic significance。Ever-changing and unpredictable market opportunities and an increasingly global marketplace
2015-01-05 Reading quantity 2892
introduction：kailuji Road grader road grader A kind of field engineering machinery（See military construction machinery）。Also known as military bulldozer。Equipped with a combined spatula。It is mainly used for building emergency military roads。In terrain、Soil and other conditions permit,One pass can be opened wide4Meters about the urgent construction of military road。Can still be in the trench、Create access in non-explosive obstacle areas such as craters and anti-infantry mine fields，Brush clearing、treelet、Roots and stones;Build Bridges and crossings,And digging tanks、Bunkers and fortifications for artillery and other technical equipment。The open-circuit machine is divided into tracks and wheels
2015-01-05 Reading quantity 2812
introduction：Machine tools have very strict requirements for guide rail accuracy，The machine tool is a precision machine，Precision is the spiritual food of machine tools。The accuracy of the bed guide includes the guiding accuracy of the guide、Stiffness accuracy。
2015-01-05 Reading quantity 38686
introduction： Improper removal of shakerFAGbearing[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。]，May causeFAGbearing[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。]Internal damage。Contaminants may enterFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball
2015-01-05 Reading quantity 1548
introduction：In order to improve processing efficiency、Workpiece accuracy and surface quality，Extend the service life of tools or molds, etc，Get the best economic benefits，In addition to choosing reasonable tools or molds and other materials according to the processing conditions、Geometric parameter，Select the appropriate process parameters and processing quantities，The correct selection of metal working media also plays a very important role。 Metal working media include water-soluble cutting fluid、Oil-based cutting fluid、Cleaning agent，It only accounts for the processing and manufacturing costs2%～3%around，But it can affect others80%Cost components，Such as tool life、Abrasive cost、Rate of finished product、downtime
2015-01-05 Reading quantity 2808
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