Sigma

IWATA BOLT Informational Magazine.

Sigma

IWATA BOLT Informational Magazine.

  • May 1985 Issue

    May 1985 Issue

    [Sigma No. 43]

    • 〈Exhibition〉
    • 1.Enthusiasm for exhibiting and demonstrating advanced technology
    • 〈US report〉
    • 2.The Design Engineering Show and US Screw Companies that we saw
    • 〈Association〉
    • 3.My screw theory "Screws are roots"...President Yukichi Iwata
    • 4. Screws are grounds
    • 5.After matchlock screw-blank screw history
    • 〈Surface treatment〉
    • 6.SermaGard coating system is finally in full operation
    • 〈Topic〉
    • 7.The time will come when sewing aircraft with sewing machines
    • 〈Standard〉
    • 8.Established tolerance system for screw parts

  • Jan 1985 Issue

    Jan 1985 Issue

    [Sigma No. 42]

    • 〈SOFI Tochigi Factory〉
    • 1.Tochigi Factory
    • 〈SOFI Exhibition〉
    • 2.Briefing session on new products and technologies at Nissan Motor
    • 3.Exhibition of screws at Sony
    • 〈SOFI　VA〉
    • 4.Certificate of voluntary management with certification rank A from Sony
    • 5.Letter of appreciation from Nissan Motor for contributing sales activities
    • 6.Certificate of appreciation and commemorative shield for contribution to cost improvement from Yamaha Motor
    • 〈SOFI Technology〉
    • 7. SermaGard coating system was introduced
    • 〈SOFI fastening system〉
    • 8.Tightening of screw in plastic region and its characteristics
    • 9.☆Yamagata satellite office becomes a branch and opening at new address

  • Sep 1984 Issue

    Sep 1984 Issue

    [Sigma 41]

    • 1.United States ・ Seeing and hearing_x000D_
    • 〈World screw industry〉_x000D_
    • 2.How the Korean screw industry changes_x000D_
    • 〈Topics〉_x000D_
    • 3.High-strength steel regarded as the cause of the accident_x000D_
    • 〈Standard〉_x000D_
    • 4.Japan Electrical Manufacturers' Association standard (JEM) screws_x000D_
    • 〈Explanation〉_x000D_
    • 5.Hard coating for screw tools

  • Aug 1984 Issue

    Aug 1984 Issue

    [Sigma 40]

    • 〈NASA report〉
    • 1.Space Shuttle at NASA
    • 2.NASA and space development plan
    • 3.Marshall Flight Center
    • 4.Kennedy Space Center
    • 5.Langley Research Center
    • 6.Smithsonian Museum
    • 7.Lockheed Missile & Space Company
    • 8.Ames Research Center
    • 9.Space shuttle and screws
    • 10.Space development enters a new stage
    • 〈Space Episode〉
    • 11.Space cleaning and computer
    • 〈Germany Expo〉
    • 12.Spacelab developed and manufactured mainly by Germany

  • May 1984 Issue

    May 1984 Issue

    [Sigma 39]

    • 〈SOFI Center〉
    • 1.SOFI center touches by hand, try by experiment, and confirms by data
    • 〈Material〉
    • 2.Will an unmanned screw factory be realized?
    • 〈Standard〉
    • 3.Establishment of dry-wall type JIS
    • 〈Spot〉
    • 4.New material market is worth 63 Trillion Yen in 2000. Any change to screws and tightening method?
    • 5.One nut caused the Aurora experiment costed 3.8 Billion Yen failed. What was the root cause?
    • 6.The screw exports in 1983 were 317,000 tons. What is the ratio of Japanese products in the US market?