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Mechanical failure classification

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quangongzi View Drop Down

Joined: Ekim 18 2016
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Post Options Post Options   Thanks (0) Thanks(0)   Quote quangongzi Quote  Post ReplyReply Direct Link To This Post Topic: Mechanical failure classification
    Posted: Aralık 30 2016 at 13:53
After a large number of scientific experiments prove that the failure rate of mechanical equipment can be calculated and drawn line "ben ne yapmaya çalışıyorum"on. By calculating the failure rate of mechanical equipment is a function of time, and the curve is expressed in the form of curves, and the curve for the middle low, both ends of the high, was tub-like, also known as bathtub curve. Mechanical equipment failure can be divided into three categories according to the time changes, namely, early class failure, accidental class failure and wear and tear type failure.Double Steel Roller - Road Machinery Equipment Manufacturers - Doan Machinery

Early class failure
Early class fault usually appears in the road machinery has just started working time, with a high failure rate, the longer the lower the rate of failure characteristics. Early to the failure of the main reasons for the mechanical equipment in the design, manufacturing defects, the product itself caused by substandard quality. Such as product raw materials are not up to standard, product assembly unreasonable, product quality inspection negligence. Early class failure solution should be in the factory or before the use of mechanical products, careful testing, and reasonable debugging, thereby reducing the incidence of such failures .
Accidental class failure
Occasional failure mainly occurs in the early class failure, loss of class before the failure of this time period, the time of the highest efficiency of machinery and equipment. Accidental fault has the characteristics of low failure rate and stability, the time period of the fault is random, and the mechanical equipment itself is not much relevance. Accidental failure refers to the failure caused by accidental factors, such as staff operational errors, mechanical equipment and the environment is not suited and so on. Accidental class failures can not be predicted and avoided, and can not be eliminated by debugging. Therefore, to solve accidental failures must be carried out in many ways, construction enterprises should strive to improve their management level, strengthen the training of operators to improve the use of the operator level, and assign outstanding maintenance personnel timely maintenance, to take these measures as far as possible Reduce the probability of occurrence of accidental class failure.

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