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What are the main failure modes of amusement equipment parts

by:Jinma Rides     2021-12-26

 Each parts or components in the amusement equipment machinery equipment have specific functions, such as transmitting motion and force, realizing prescribed actions, maintaining a fixed geometric shape, and so on. When a machine part loses its specified function under load (including mechanical load, thermal load, corrosion and comprehensive load, etc.), it is called failure. Failure includes complete loss of the original function; reduced function and serious damage or hidden dangers, continued use will lose reliability and safety. The failure modes of amusement equipment components mainly include wear, fracture, deformation, fatigue, corrosion, etc., which are shared and introduced below.
  1, wear
  Abrasion is a basic type of failure of amusement equipment parts. Generally speaking, abrasion refers to the phenomenon that parts and components undergo changes in size, shape, and surface quality under the action of friction, resulting in continuous loss of materials. According to the characteristics of surface damage mechanism, wear can be divided into abrasive wear, adhesive wear, fatigue wear, corrosion wear and fretting wear. The first three are the basic types of wear, and the latter two only occur under certain conditions.
  2, break
  Parts and weld fractures occur from time to time in amusement facilities, common shaft fractures, stress steel structure fractures, weld fractures, etc. According to the classification of load properties, fracture can be divided into one-time loading fracture and fatigue fracture. One-time loading fracture is generally caused by the part or weld under the action of static tension, static compression, static torsion, static bending, and static shear due to excessive impact load. The main reason is that the stress of the part exceeds the material itself. Caused by the resistance. Fatigue fracture is a phenomenon in which parts or welds break through the action of alternating stress for a long time. The generation of fatigue fracture is a gradual process, and the fracture area can be divided into fatigue source area, fatigue crack propagation area, and instantaneous fracture area.
  3, plastic deformation
   The deformation of amusement equipment parts can be divided into two types: elastic deformation and plastic deformation. When the external force is removed, the deformation completely disappears is called elastic deformation. Elastic deformation will not cause component failure. But exceeding the elastic limit is called excessive elastic deformation, which usually causes plastic deformation. Plastic deformation means that the deformed part cannot be fully recovered after the external force is removed. It is a kind of deformation that cannot be recovered by itself. Plastic deformation can cause the failure of the amusement equipment parts. Metals, plastics, etc. have different degrees of plastic deformation capacity, so they can be called plastic materials. Brittle materials such as glass, ceramics, and graphite have no plastic deformation ability.
  4, corrosion
  Mechanical metal parts corrosion usually refers to the phenomenon that the surface of a substance and the surrounding medium are damaged by chemical or electrochemical interaction. According to the mechanism, it can be divided into chemical and electrochemical corrosion; according to the different corrosive media, it can be divided into gas, atmosphere, soil, electrolyte, and non-electrolyte corrosion; according to the damage characteristics, it can be divided into continuous and local corrosion; according to other factors, there are external Electric current corrosion, contact corrosion (pitting corrosion), stress corrosion, friction corrosion, biological corrosion, etc. There are many factors that cause corrosion of amusement equipment parts, among which the main common factors are humid air corrosion and oxidation corrosion.
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