Title: Development of a Rail Grinding Machine for Welds
Abstract: Future Shinkansen rail renewal scheduled on the basis of passing tonnage will require much rail welding work. Rail welding work includes the actual rail welding along with grinding, and it currently requires considerable manpower because both are done manually. Welding a single rail takes as long as approx. 60 minutes, so only a limited number of rails can be welded in the limited track maintenance time. In the light of those, the authors developed a rail grinding machine for welds to improve grinding work efficiency. Using the developed machine, rough grinding of the rail top surface was completed in four minutes and manual finishing in 22 minutes. As a result, the whole welding process could be completed in 26 minutes, demonstrating that the machine could improve rail welding work efficiency.
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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