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introduction： In the actual use environment﹑Special test site in or indoor test bench﹐Follow predetermined procedures for the car or its parts﹑Tests on materials, etc﹐To determine the technical characteristics of the car﹑reliability﹑Durability and environmental adaptability。Cars on different roads﹑Use under geographical and climatic conditions﹐Its performance﹑efficiency﹑Reliability and durability, etc., cannot be relied on calculations alone﹐It has to be tested。If the car goes into mass production﹐Rediscover due to design﹑A general defect or damage resulting from improper workmanship or materials used﹐Plant and use
2015-02-26 Reading quantity 2775
introduction：Tapered roller thrust 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 structure of、Performance characteristics？ Because the rolling body in the thrust tapered roller bearing is a tapered roller，In the structure, the rolling busbar and the raceway busbar of the washer converge at a certain point on the axis line of the bearing，Thus the rolling surface can form pure rolling、Limit speed is higher than thrust
2015-02-26 Reading quantity 1544
introduction：assembly drawing Assembly drawing auto tool change cycle Automatic tool change time cycle beam transom bending moment Bending moment bending stress Bending stress bottoming Bottom rest buckling Longitudinal bending chamfering Bevel cut channel groove chattering vibrate check point Check point chip cuttings
2015-02-26 Reading quantity 2795
introduction：1.Obvious loose defects in the finished productINAbearing[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。]Its not allowed on the ring。It will reduce the density of the ring，Enrich more micropores in the interior，Low melting point impurities，Gases and non-metallic inclusions.It is the same as banded carbide，It plays the role of dividing matrix continuity，Resulting in component segregation
2015-02-26 Reading quantity 1525
introduction： Full cylindrical roller 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。]Its designed to withstand heavy loads。At the same width，This bearing is compared with the traditional belt cage bearing，It has a very high carrying capacity，Small radial section，Can save space，But the rotational speed is relatively low。To make the bearing work properly，In continuous operation
2015-02-26 Reading quantity 1527
introduction：1.NSKImported 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。]If well lubricated，And correctly block debris and moisture,Indicates that the oil seal should not be worn.however,Preferably when opening the bearing box,InspectNSKImported 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，mass
2015-02-25 Reading quantity 1446
introduction：As mentioned above,Abrasive belt grinding has incomparable characteristics with consolidated abrasives and superhard abrasives,So the scope of application is very wide,It can process almost all engineering materials and supplies in the field of peoples life,Everything can be used.Belt grinding can be summarized in the following eight areas of application. 1. Surface grinding: It can not only grind thick and medium plates,It can also grind thin sheets.Such as using Xinxiang machine tool factory2M53100、2M5815*2Abrasive belt grinder can grind0.2 mmThe part of.Especially suitable for heat resistant and difficult to process materials,Like stainless steel、Titanium alloy plate，Aluminum alloy plate。towards
2015-02-25 Reading quantity 1431
introduction： A device to prevent the crane from being damaged in an accident。In addition to commonly used electrical protection devices on the crane﹑Sound signals and color lights outside﹐There are a variety of other safety devices。 Travel switch A safety device to prevent various crane motion mechanisms from exceeding the limit position。When the various motion mechanisms reach the limit position﹐The travel switch is touched﹐Cut off the power。 Buffer and collision avoidance devices It is used to absorb the kinetic energy of the crane or car when the switch fails to hit the terminal stop。Rubber is widely used in this device﹑Spring and hydraulic buffer﹐Which hydraulic buffer used in
2015-02-25 Reading quantity 2773
introduction：Anti-carrier bridge﹑Crane safety device for cranes with large wind area, such as gantry cranes, to slide or topple over during a storm。In the operating range of the crane is usually arranged at a certain interval several anchoring seats。Anchors are not commonly used﹐Only used when a storm is forecast。The anchoring device has the type of insert plate and latch type﹐Some use a cable。Using a splice anchor(See picture Insert plate anchor )when﹐The crane can be temporarily fixed by turning the lever arm to insert the anchor plate into the anchor seat on the foundation。The pin anchoring device is to insert the pin into the support pin holes on the bottom of the crane structure and the foundation for anchoring﹐The anchoring force is not as strong as the plate
2015-02-25 Reading quantity 2802
introduction： 1、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。]Vibration of Vibration of rolling bearing is very sensitive to bearing damage，exfoliation、impression、corrosion、crack、Wear and tear will be reflected in the bearing vibration measurement，therefore，By using a special bearing vibration gauge(Frequency analyzer)measurable
2015-02-25 Reading quantity 1539
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