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The need expands ATV currently to the forestry agriculture fisheries handicappedd person and is becoming. but the development of the industry about this have been processed but are slow. The example to be his representative is the industry about ATV. A gear action of ATV is not currently the action of a differential gear. A gear action revolves the wheel with same power to the rotational requency. We have therefore many when we revolve problem. The power is delivered at this by a chain action. We drew and a plan ATV' LSD which can restrict the transmit of the action ultimately.
Fine blanking is a specialized form of blanking where there is no fracture zone when shearing. This is achieved by compressing the whole part and then an upper and lower punch extract the blank. This allows the process to hold very tight tolerances, and perhaps eliminate secondary operations. In the present study, tensile test and numerical simulation has been performed to investigate distribution of deformation and stress of car seat recliner. The commercial ABAQUS/Explicit software was applied for analyzing the stress and strain of the recliner. In analysis, three lock gear has reached the maximum moment on rotational degree of 2.27. This is more than two times than maximum moment of same size recliner, and can be used safely. Therefore, these can use as criterion of actual structural design.
In this study, the pressure vessel piping with corrosion used during long term were investigated from the time-frequency analysis method. The damage of piping could be evaluated the attenuation factor by ultrasonic parameters such as center frequency and echo waveform. Based on NDE analysis by time-frequency analysis method, it should also be possible to evaluate from various damages and defects in piping members.