Rolling bearing is a basic element in various of industrial fields who plays aimportant role in all kinds of mechanical equipments. There are many Rolling bearingfault diagnosis methods, for example infrared axis temperature detection method,vibration signal analysis method, lubrication oil analysis method and so on. Thesemethods have their own characteristics which can be used to
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Modern acoustic emission technology has been developing since1950s. Acoustic emission technology has been extended from laboratory to engineering applications. Testing frequency has been increased from audio frequency to tens of MHz. Detection instruments have been improved to detection and analysis system of multichannel, digital form and high computerization. However, the piezoelectric acoustic emission sensor, which
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As a kind of nondestructive testing technology developed in recent years,acoustic emission testing technology gets extensive attention due to its uniqueadvantages. This paper studied the application of acoustic emission testingtechnology in the field of fault diagnosis from different aspects, and the maincontents are as follows:This paper introduced the basic knowledge, concepts and characteristicsrelated to acoustic
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Gas seal is a form of non-contact sealing，it is widely used in thepetroleum chemical industry, aviation, etc because of the well sealingperformance. With more and higher utilization rate and the usagesituation more important, the failure of the possibility of gas sealing isincreasing. In order to improve the using safety of the gas sealing, thisarticle is
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Usually, the grinding machining is the final procedure in the process of the exact parts manufacture. The grinding wheel dull is ineluctable in the manufacture procedure, which influences the efficiency and the quality of products. Therefore, the dull state of the wheel should be monitoring effectively in order to make sure the dressing period of
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Usually, the grinding machining is the final procedure in the process of the exact parts manufacture. The grinding wheel dull is ineluctable in the manufacture procedure, which influences the efficiency and the quality of products. Therefore, the dull state of the wheel should be monitoring effectively in order to make sure the dressing period of
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The Acoustic Emission will happen when most materials distort and break, which is one kind of tress wave emissions. The person ears can not hear it directly but need to make support from the ingenious electronic instruments, namely Acoustic Emission monitor meter. The Acoustic Emission monitor meter is used in the area of rock monitoring,
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?Nowadays, the sustained high-speed national economic development makes the demand of energy supplies especially the oil and gas resource increasingly urgent. Qua the important facility of petrifaction area, storage tank is special for using wildly and incline to occur accident. The security of using and efficiency of testing is storage tank’s two important issues.Storage tank
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?Nowadays, the sustained high-speed national economic development makes the demand of energy supplies especially the oil and gas resource increasingly urgent. Qua the important facility of petrifaction area, storage tank is special for using wildly and incline to occur accident. The security of using and efficiency of testing is storage tank’s two important issues.Storage tank
(Read More…)
Usually, the grinding machining is the final procedure in the process of the exact parts manufacture. The grinding wheel dull is ineluctable in the manufacture procedure, which influences the efficiency and the quality of products. Therefore, the dull state of the wheel should be monitoring effectively in order to make sure the dressing period of
(Read More…)
