Sigma

IWATA BOLT Informational Magazine.

Sigma

IWATA BOLT Informational Magazine.

  • Dec 1978 Issue

    Dec 1978 Issue

    [Sigma 27]

    • 〈Special feature〉
      Design and Performance of Automoatic Control System For Fastener Tightening.
      （from Proc Instn Mech Engs Vol 191 38/77）
      … J. T. Voice / P. W. Wallace
      Translation: Masataka Iwata

  • Jul 1978 Issue

    Jul 1978 Issue

    [Sigma 26]

    • 〈Overseas report〉
    • 1.1978 Design Engineering Show
      Further expanion of the fields of use for electronics
    • 〈Overseas News〉Post screw import issue in the US
    • 2.It is up to ITC again
    • 3.How to secure demand for screws in case of war

  • Oct 1977 Issue

    Oct 1977 Issue

    【Sigma 25】

    • 〈Special feature〉
    • 1.Fastner Tention Control
      （from assembly engineering Nov.'76）
      T. Thompson
      Translated by Masataka Iwata

  • Aug 1977 Issue

    Aug 1977 Issue

    [Sigma 24]

    • 〈Overseas Report Special〉
    • 1.☆1977 Design Engineering Show in Chicago
    • 2.☆President Iwata visits to China
    • 3.☆Taiwan screw factory
    • 〈Overseas news〉
    • 4.Escape Clause called again

  • May 1977 Issue

    May 1977 Issue

    [Sigma 23]

    • 〈SOFIT〉
    • 1.SOFIT promotes the concept of SOFI
    • 〈IBK News〉
    • 2.SOFI concept
    • 3.Iwata Bolt New Year Ceremonty
    • 4.New employee welcome ceremony with 21 new employees
    • 〈Product Section〉
    • 5.What is the special tapping screw IT3 developed by Iwata Bolt?
    • 〈Industry spot〉
    • 6.☆Screw Gross Production in 1975 was 500 billion, export ratio is increasing
    • 〈Overseas news〉
    • 7.Behind the closure of the main plant of the major US screw company Ramson