Sigma

IWATA BOLT Informational Magazine.

Sigma

IWATA BOLT Informational Magazine.

  • Aug 1970 Issue

    Aug 1970 Issue

    [Sigma 7]

    • 1.The era of international exchange for screws- West German screw industry delegation visiting to Japan
      -... Yukichi Iwata, President
    • Control System of Iwata Bolt
    • 2.How Iwata Bolt can help your total cost reduction
    • Fastening series
    • 3.Looseness of screw and prevention <1>
    • From Quality Control Department
    • 4.Quality Control of Tapping Screws <3>
    • VA
    • 5.Fastening method using non-grooved pin
    • Overseas spot news
    • 6. 2 Anti-loosening Faseners
  • Apr 1970 Issue

    Apr 1970 Issue

    [Sigma 6]

    • 1.Focus on the world ... Yukichi Iwata, President
    •  Control System of Iwata Bolt
    • 2.Delivery management system by SPICS
    • From Quality Control Department 
    • 3.Quality control of Tatsupin screws <2>
    • VA
    • 4. Spix and VA in system sales
    • Explanation of screw terms 6
    • 5.Tapping Screws <5>
    • Overseas spot news
    • 6.Two events to understand the assembly
    • 7.Aircraft manufacturers are interested in adhesive welding
    • 8.General Motors raises quality control standards for parts
    • 9.New tapping nut
    • 10.2-point compression lock nut
  • Feb 1970 Issue

    Feb 1970 Issue

    [Sigma 5]

    • 1.New policy for fiscal year steadily materialized ... Yukichi Iwata, President
    • Control System of Iwata Bolt
    • 2.About delivery management system by SPICS
    • From Quality Control Department
    • 3.Quality control of Tapping screws
    • VA
    • 4.Shaft accuracy of cold heading
    • Explanation of screw terms 5
    • 5.Tapping Screw <4>
    • Overseas spot news
    • 6.Automatic feeding and tightening machine greatly increases production efficiency
    • 7.Prevents misalignment of parts with double shoulders under head
    • 8.Innovative product that effectively joins tubular parts
  • Jan 1970 Issue

    Jan 1970 Issue

    [Sigma 4]

    • 1.Focus on detailed sales activities and system sales
    • Control system of Iwata Bolt
    • 2.Regarding the newly introduced FACOM 230/25
    • From Quality Control Section
    • 3.Temperature control of heat treatment furnace
    • VA
    • 4.Improved manufacturing method of shouldered bolts for seat frames
    • Explanation of screw terms 4
    • 5.apping Screw <3>
    • Overseas spot news
    • 6.Will it be a strong competitor to fasteners? - Weld Bold
    • 7.Shifting heavy automotive parts to cold heading.
  • Nov 1969 Issue

    Nov 1969 Issue

    [Sigma 3]

    • 1.A Living Management Body- The Successful Moon Travel of Apollo 11 -... Yukichi Iwata, President
    • 2.☆Iwata Bolt screws travelled to the moon☆
    • Control System of Iwata Bolt
    • 3.Parts distrubution by SPICS
    • From Quality Control Section
    • 4.Control of heat treatment process
    • Explanation of screw terms 3
    • 5.Tapping Screw <2>
    •  VA
    • 6.Replacing machining with cold heading to contribute to customers
    • Overseas spot news
    • 7.Development based on new ideas and principles
       Innovations on head shape and screw tip