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one、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。]Installation of： 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，To reduce power
pick to：Springback is a common but difficult phenomenon in sheet metal stamping process。Firstly, the principle of unloading rebound in bending deformation of sheet metal is studied，Then take Iveco side wall upper inner plate as an example，The method of combining dynamic and static algorithms is adopted，On the basis of considering the rebound of sheet material in each process，The numerical simulation of multi-step stamping rebound was carried out，Finally, the simulation results are compared with the experimental results，The effectiveness of the simulation method to improve the calculation accuracy of springback is verified，It provides scientific basis for the formulation of sheet metal stamping forming process。 keyword：resilience；Multistep stamping；Numerical simulation
1：castability（castability）：Refers to the performance of metal materials that can be obtained by casting。Foundries mainly include fluidity，Contractility and segregation。Fluidity refers to the ability of liquid metal to fill a mold，Contractility refers to when the casting solidifies，The degree of volume shrinkage，Segregation refers to the process of cooling and solidification of metals，The chemical composition and structure of the metal are not uniform due to the difference of crystallization sequence。 2：malleability：Refers to the metal material in the pressure processing，The ability to change shape without cracking。It is included in the hot state Or hammer forging in cold condition，roll，stretch，extrusion
Basic assembly technique Optimum assembly technique － Part one Simple assembly techniques such as snap assembly are recognized by all designers、Press assembly and thread assembly, etc，In its simplicity、Rapid assembly of components can greatly reduce production costs。 Assembly technology is divided into“separate”and“integration”Two types。The following items are classified as integrated assembly processes。 §weld §immobilization §splice §Embedding technique §90Degree Angle buckle Separate assembly
Affected by the positive factors of the national economic stabilization and recovery，The current production and operation situation of the reducer industry is red。Reducer is a supporting product，Widely used in metallurgy、Building materials、Chemical engineering、National defense、shipbuilding、Generate electricity、Port and other industries。After the outbreak of the international financial crisis，The state responded to the financial crisis，Increased investment in infrastructure has been adopted，Proactive fiscal policy to stimulate economic development。Reducer industry from09From the second half of the year，The situation of production and operation improved。The first quarter of this year surpassed the fourth quarter of last year。Tailong reducer group in our city，Is the production of reducer large enterprises，Enterprises produce high、fine、Sharp product50%。This year3month
If and when printed electronics gain full market acceptance space，And when used properly，So print electronics is inRFIDThe transformation of industries will have potential。But contrary to some expectations，They will not have a significant impact in the next few years。 inABIResearch the companys new research project，namely“inRFIDPrinted electronics in the label industry”among，The technology that was introduced to it、The application and its time frame are examined。 “Printed electronic component--Printed antenna、Printed transistors and printed batteries could eventually change
1．Prefix code 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 prefix of the bearing is used to indicate 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
Theres a certain skill in shifting gears，Many people do not operate properly resulting in the damage of car parts，Lets introduce the practice of shifting the car。 one、First of all, we must be skilled in the clutch stampede，One foot to the bottom，Slow release。 two、To achieve the throttle and clutch coordination，Hang first gear when you start，Slow release clutch，Fuel door in semi-clutch condition，Dont release the clutch until the car is moving。 three、When the engine RPM is at2000Shift left and right，Let the throttle down and then depress the clutch，Clutch like this
pick to The traditional cleaning method of tire mold is briefly introduced，Laser cleaning technology and dry ice cleaning technology are emphatically introduced，And the comparison is made。 keyword Tire mold Laser cleaning Dry ice cleaning Mold is an important tool used in the process of tire vulcanization，The mold is inevitably subject to rubber during use、Combined deposition contamination of the compound and the release agent used in the vulcanization process(The main pollutant is sulfide、Inorganic oxide、Silicone oil、Carbon black)，Repeated use will cause some pattern contamination dead zones。therefore，Must go by
Ac frequency converter Application in converter steelmaking control system China Metallurgical Construction Group Baotou Iron and steel Design and Research Institute of automation Rimbaud 2005years5month Application of AC frequency converter in converter steelmaking control system Rimbaud（China Metallurgical Construction Group Baotou steel design and research Institute014010） keyword：The converter tilts、Oxygen gun lifting、Primary dust removal、1336IMPACTDepartment of
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