Nagaoka Institute of Design Repository
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289 research outputs found
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Developement of Desktop Swisstype CNC Lathe.
Get PDFapplication/pdfWe have developed a prototype of desktop Swiss CNC lathes. This lathe is aimed at low-volume production and for DIY users. It can be controlled from computers and is capable of making precision parts. While it is difficult to make shafts with 3D printers, this lathe can easily make cylindrical parts such as shafts.departmental bulletin pape
Study of a production process and materials of lanterns made of paper and paints in local traditional festivals Part 2
Get PDFapplication/pdfIn this research we selected festivals which use traditional and characteristic festival lanterns in the areas along Japan Sea coast from Tohoku to Hokuriku regions, and conducted onsite surveys of the materials and production processes of the festival lanterns through the interviews with those involved in the production. The next on-site research report will deal with the Tanabata festival in Murakami city, Niigata prefecture.departmental bulletin pape
Study on the relation of the letter by J. Conder and newspaper articles on the Nobi earthquake investigated by J. Conder
Get PDFapplication/pdfThis treatise examined relations between the articles reported in the JWM. issued on November 7, 1891 with a title of “ARCHITECTURE AND THE EARTHQUAKE” and an anonymous contribution(signed by X. =J. Condor), and I made the following points clear.
The letter with a signature of X(. =J. Condor)was reported both in the Tokyo shinpou issued on November 12, 1891 and in the Hinode Shinbun issued on November 14, 1891. I think that the article reported in the Tokyo Shinpou was reprinted to the Hinode Shinbun because more than 40% of contents are similar. The investigation by J. Condor in the area suffered damage from the earthquake was reported in the JWM. Issued on November 7, 1891, however, this article did not involve at all the letter with a signature of X(. =J. Condor).departmental bulletin pape
Pros and Con on breaking with Nuclear Power Generation
Get PDFapplication/pdfThe Japanese government declared on the strong return to nuclear power generation, characterizing it as important base-load electric power supply in Basic Plan for New Energy and made a decision proceeding with resuming the operation of nuclear plant confirmed as stable according to New Regulation Standards. The executives in the economic world also expressed an agreement about this statement, emphasizing that nuclear power generation is indispensable for economic growth in the future. In this paper, it is described on the base of mathematical science that natural recyclable energy has a potential developing more effective power resource than nuclear power generation on going on economic growth where Logistics Curve is utilized as a mathematical model showing economic growth.departmental bulletin pape
An Analytical Approach to Developing Maintenance and Repair System of Infrastructures
Get PDFapplication/pdfThe number of accidents of infrastructures due to aging has been recently increasing and the aging of it has become a serious problem. Aggressive environment and in-service loading can cause the resistance deterioration of the infrastructures such as tunnel and highway bridge. It is necessary to formulate time-dependent reliability analysis on account of developing the rational maintenance strategy and reliable prediction of service life of infrastructures. In this report, the reliability function of deteriorating infrastructures due to aging under load combinations consisting of dead, live and main external load of earthquake is analytically derived, applying the advanced first order and second moment method with the statistics of the residual resistance of each failure mode of element which has survived up to time.departmental bulletin pape
Presents to you whom I do not see yet : making some tools for play
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Towards commercialization of Echigo Cryptomeria japonica furniture for school children
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A trial of handmaking traditional toy 〝mokugyu＂ at Yamakoshi
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