MEASURING INSTRUMENT OF TROLLEY WIRE RESIDUAL DIAMETER BY USE OF I. T. V. (REPORT 2)

Continuous and automatic measurement of trolley wire residual diameter from a running inspection car has been urgently required. The first instrument, which was developed in 1968, proved to have measuring accuracy of 0.8 mm at running speed of 210 km/h. the improved instrument with flexible lens system which makes use of glass fiber scope was developed to attain measuring accuracy of 0.1 mm.

  • Availability:
  • Corporate Authors:

    JAPANESE NATIONAL RAILWAYS

    TOKYO,   Japan 
  • Authors:
    • Horiki, K
    • Ichikawa, M
    • Yasumatsu, E
  • Publication Date: 1973-9

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00050874
  • Record Type: Publication
  • Report/Paper Numbers: Quart Rpt
  • Files: TRIS
  • Created Date: Feb 15 1974 12:00AM