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introduction：Contact fatigue spalling occurs inINAbearing[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。]Working surface，Often accompanied by fatigue cracks，It is first generated from the maximum alternating shear stress below the contact surface，It then expands to the surface to form different peeling shapes，Such as pitting or flaking of pitting，Exfoliation in small sheets is called shallow exfoliation。Due to stripping
2015-01-27 Reading quantity 1552
introduction： one．pre-work： 1.Add oil according to lubrication regulations，Check oil quality，Whether the amount of oil is smooth，Whether all parts are well lubricated。 2.Check the grinding wheel carefully for cracks，Damage and loosening phenomena，A few pieces for each，Electric machine，Bumping block and other malfunction phenomenon，Safety protection devices are complete，good。 two．At work： 1.Start the lubrication pump first，The workbench can be started only after the lubrication is normal。 2.When the hydraulic transmission is on，Table reversing control handle should be placed first“stop”locally，Speed shift handle in the middle position，To prevent workpiece collision when starting the oil pump。 3.When installing a grinding wheel，
2015-01-27 Reading quantity 1616
introduction：A new series of coatings adapted to near-zero precision forming technology was established——Vigorously develop organic and inorganic series of non-space-occupying coatings，For precision forming casting production。A metal type for the production of precision castings in small batches、Self-hardening transfer coatings are developed for hot core boxes and molds，Development of microwave-hardened transfer coatings for precision sand cores，In order to improve the dimensional accuracy and surface quality of the inner cavity of the important casting of the cylinder head of the automobile cylinder block，Solve the problem of sticky sand in shell mold casting、Surface roughness and other problems，Promote non-occupying coatings or high penetration、The combination of thin-layer coating technology and coating sand technology。 Vigorously develop to meet the resin sand mechanized production line
2015-01-27 Reading quantity 2913
introduction： A lot of people use itTIMKENbearing[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。]I have this problem every time，Is in useTIMKENWhy does it make a very harsh sound when bearing？Is the bearing already broken？So whats the problem？ whenTIM
2015-01-27 Reading quantity 1603
introduction： With the development of NC machining equipment and high performance machining tool technology, high speed machining technology is becoming more and more mature，Greatly improve the mold processing speed，The processing process is reduced，Shorten or even eliminate time-consuming fitter repairs，Thus greatly shorten the mold production cycle。The high-speed machining technology of die has gradually become one of the most important contents of the technical transformation of die industry in China。What is high-speed machining？What is the difference between high-speed machining and traditional machining in processing technology？High speed machining to machining equipment、cutter、Fixture and correspondingCAD/CAMWhat special requirements does the system make？What are the technical advantages of high-speed processing
2015-01-26 Reading quantity 2848
introduction： First of all，The structure design is reasonable and advanced at the same time，You have longer needle roller bearings[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。]Life span。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，ikoshaft
2015-01-26 Reading quantity 1519
introduction：In traditional electrical design，Due to the complex electrical relationship and signal crosslinking relationship，There are many human factors involved in the design，The cable after processing is different from the actual need。Use by the authorUGDesign electrical system automation，Cable length、diameter、Information such as the location of the bifurcation point and the length of each segment can be displayed through the report，The wiring diagram visually shows the cross-linking relationship between components，Easy to check signal direction and cable processing，It provides a convenient design method for electrical system designers。 one、summarize The electrical relationships and signal crosslinking relationships within many components are complex，
2015-01-26 Reading quantity 2827
introduction： Feed 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 purpose of adding lubricant is，A thin oil film is formed on the rotating surface and sliding surface of the bearing，Prevent direct contact with metal surfaces，Have the following effect。 1. Reduce friction and wear 2. Remove heat from friction
2015-01-26 Reading quantity 1515
introduction： Sections can be used to view excised portions of the model in specific directions。These profiles can also be applied“Message”and“measure”Feature。If the model has changed since the profile was created，The profile is automatically updated。 Use“View manager”(View Manager) Create the following types of profiles： Standard plane section of a part or assembly Offset profile of a part or assembly Multifaceted model（.stl document）Section of About sections and groups of planes Make use of Pro/SU
2015-01-26 Reading quantity 2832
introduction：1970International Association of Industrial DesignersICSID(International Council of Societies of Industrial Design) It gives a complete definition of industrial design: "Industrial design,It is a kind of creative activity that determines the adaptive characteristics of the goods made according to the industrial situation。adaption, Not just the structure of the object, It takes into account the views of both users and producers, Systematize abstract concepts, Complete the unified and concrete image of the item, It means focusing on the fundamental structure and function
2015-01-26 Reading quantity 2840
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