Sanwa Kosan Co., Ltd. Mituwa-k Co., Ltd. HOME Types of rail welding Job offer Event (this year) Event (past) Headquarters construction Inquiry | HOME | Updated 2014-10-08 | Created 2008-05-23 What's New 2013.3.7 We held a barbecue tournament 2012.11.25 Participated in the Mt. Fuji Marathon 2011.6.22 Opened a golf tournament and a consolation party. 2011.2.27 I have participated in the Tokyo Marathon. 2011.2.15 I went on a trip to Atami Onsen. 2011.2.7 We held a golf tournament. 2010.11.27 I have participated in the Kawaguchiko Marathon. What is rail welding? Rail welding? Rail welding, which most of you may know, has a lot to do with your life. For example, is there a difference between the ride quality of the Shinkansen and the ride quality of the local line that runs in scenic tourist spots? That's right! Isn't it sound and speed !? You can still hear the old-fashioned "gatangoton" sound in some parts of the local line. You rarely hear such sounds on the Shinkansen. It is influenced by the length of the rail that you can hear it with a constant rhythm. The rails are manufactured at the factory with a length of 25m. The sound is heard because when the wheels move 25m, an impact is applied to the rails and the joints between the rails, causing noise. Then why is there no sound on the Shinkansen? That's because the rails are welded together into a single rail. Rails of about 1 to 2 km are commonplace, and there are places where the maximum length of 60 km is used as a single rail. Welding can eliminate the noise generated at the seams. Furthermore, by eliminating the seams, the impact that had been applied to the seams of train wheels and rails has disappeared, and it has become possible to increase the speed. As a result, the time required was greatly reduced. If you're on the platform of a station, on a train, or if you're interested in it, look for rail seams. Where there is no sound because you don't know where the seams are, the rails are probably welded. In this way, rail welding has long been deeply involved in everyone's lives. We will continue to work with safety first so that it will be the foundation of your life. Types of rail welding Corporate information Corporate philosophy Company Profile History Various allowances Qualification allowance Housing allowance Transportation expenses, etc. Welfare Marathon event Mt. Fuji climbing Baseball tournament Golf tournament Baseball watching ticket assistance head office 160-2 Okatsu-cho, Izumi-ku, Yokohama-shi, Kanagawa TEL 045-810-6030 FAX 045-814-6313 map | HOME | Copyright (C) 2008 mituwa-k. All Rights Reserved.