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日本东部铁路公司(JRE)为了确保每天1500万旅客的乘车安全和列车正点运行,必须不断地更换高速铁路的铁轨。这项工作最困难的部分是拿着沉重的气动扳手松开和拧紧固定铁轨的螺栓。这是一项很艰苦的体力劳动,所以工人们都不愿做这项工作。 可以预测,未来将更少有人愿意做这项工作。因此,JRE请美国加利福尼亚大学先进制造项目主任M. Trivedi设计制造一种机械,以替代75～80名工人的这
Japan Eastern Railway Corporation (JRE) In order to ensure the safety of 15 million passengers a day and the train is on time, the tracks of the high-speed railway must be continually replaced. The hardest part of the job is holding heavy pneumatic wrenches to loosen and tighten the bolts securing the rails. This is a very difficult manual work, so the workers are unwilling to do this work. It can be predicted that in the future fewer people are willing to do this work. Therefore, JRE requested M. Trivedi, director of advanced manufacturing project at the University of California, to design and manufacture a machine to replace 75-80 workers