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introduction：Rapid automatic forming(Rapid Prototyping)Technology is the direct basis for development in recent yearsCADA general term for grouping techniques for the rapid production of samples or parts，It integratesCADtechnology、Numerical control technology。Laser technology and material technology and other modern scientific and technological achievements:It is an important part of advanced manufacturing technology。Different from traditional manufacturing methods，Rapid prototyping from partsCADGeometric model starting，Layered discrete and CNC forming systems by software，Material is piled up by laser beams or other methods to form solid parts。Because it turns complex three-dimensional manufacturing into a series of two-dimensional manufacturing superposition，
2015-03-20 Reading quantity 2869
introduction： 901 GB/T 12616-1990 Closed countersunk head core-pulling rivet 120 deg flush head break mandrel closed end blind rivets 902 GB/T 12617-1990 Open countersunk head core-pulling rivet 120 deg flush head break mandrel blind rivets 903 GB/T 12618-1990 Open-mouthed pattern
2015-03-20 Reading quantity 2877
introduction：Lubrication technology Technical summary 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。]The bearing fails due to constant wear and tear due to resistance during movement，grease(oil)And the way its lubricated，The effect of reducing bearing friction and wear is different。Therefore, lubrication technology has become an important part of bearing technology research。Have someone moisten
2015-03-20 Reading quantity 1447
introduction：shanxing cichang zhipuji Magnetic sector mass spectrometer sector magnetic field mass spectrometer One of the most basic instruments of mass spectrometry，Also known as magnetic sector mass spectrometer。 Gas molecules or liquids、The vapor molecules of a solid are bombarded by a high-speed stream of electrons with a certain energy,The molecule becomes a positively charged cation,Molecular ion。The action of an electric or magnetic field accelerates ions，The greater the electric field intensity，The higher the cation velocity in the electric field。The positively charged ions are in the magnetic field
2015-03-20 Reading quantity 2880
introduction：In recent years，Since China has adopted an active and stable monetary policy，Investment in fixed assets increased，traffic、unit、machine、Industries such as defense received significant support，Led the reducer industry to maintain a good growth rate。Reducer machinery manufacturing industry belongs to the basic equipment industry of the national economy，Its long-term development is closely related to the national macro economy。 And with the deceleration of the stepper motor industry in recent years at the level of industrial production、Management mode、Marketing model、Product yield、Increase in export delivery value，It also drives the balanced cooperation of the industrial chain accordingly，Make the reducer industry gradually into the high-end industrial chain chain
2015-03-20 Reading quantity 2791
introduction： The ultimate goal of all stamping is：High productivity、High quality、Low cost。body、Top structure、Design of fuselage frame、Structure will play a decisive role in this goal。And if you want to improve the life of the mold，Improve product quality，Consider the movement of the slider，The impact of the equipment is quite important。 Basic structure The strong frame structure of the bed and the foundation barrier can break down the impact force during the stamping process。Setting a high humidity barrier around the press foundation is compared with fixing the press directly on the ground，Can greatly extend the life of the equipment。Use a foundation to maintain the levelness of the press，While horizontal
2015-03-20 Reading quantity 2895
introduction：Configuration and assembly feature Since theSolidWorks 98Pluslater，Assembly features can participate in configuration。 You can control both the parameters of the assembly features，The compression state of the assembly can also be controlled。 The assembly cutting feature allows us to see the internal details of the assembly without a sectional view，Other geometries can also be accessed through it，Because its not just decorative anymore，This makes relational design in assembly easier。 Configuration allows users to turn assembly features on or off as they wish。 The image above shows the same assembly，But its a different configuration。 The configuration can also be specified for the project view
2015-03-20 Reading quantity 2939
introduction：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。]The use factor mainly refers to the installation adjustment、Service and maintenance、Whether the maintenance and repair meet the technical requirements。On the basis ofINABearing mounting、Use、maintenance、Technical requirements for maintenance，The load on the aligning roller bearing in operation、Rotational speed、Operating temperature、Vibration、Noise and lubrication conditions come in
2015-03-19 Reading quantity 1467
introduction：Outer spherical 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。]The common fault is dry friction between bearing and journal , Severe dry friction can 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。]Temperature sum
2015-03-19 Reading quantity 1579
introduction： The so-called electric corrosion refers to the current in the cycle of the weight of the 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。]When the contact part of the raceway wheel and the rolling body is active、The spark is recovered through a thin smooth oil film、The appearance of partial melting and convex。 Ground potential difference between outer ring and inner ring。When setting up the circuit、Current deviation
2015-03-19 Reading quantity 1478
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