The previous generation of handheld electromagnetic riveters (HHEMRs) Model HH53, designed and manufactured by Electroimpact, Inc., provided operators with a means of forming rivets and swaging collars onto bolts in a repeatable, single shot process with active recoil damping to reduce operator fatigue. In use the guns were sometimes dropped from an elevated operator platform and sustained considerable damage to both the gun and the power pulse cable attached to it. This was due to the lack of pulse cable/EMR attachments for support on the platform and the use of medium strength plastic body parts. The stiff attachment of the pulse cable contributed to cable breakage as well. The diameter of the gun also limited fastener access along upstanding stringer legs.The next generation HH54 EMR design incorporates an internal recoil damper of the same design used in our full scale wing machine EMRs, a very flexible coaxial pulse cable attachment, and a new coil design which supports the driver bearing- eliminating the front driver bearing plate, all housed in a reduced diameter high strength glass/epoxy reinforced shell for durability. Additionally, the pulse cable assembly has been repackaged to remove tension loads from the pulse cable components and apply them to a load bearing outer strap member.


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    Title :

    HH54 Rugged and Reliable Handheld EMR


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Aerospace Technology Conference and Exposition ; 2009



    Publication date :

    2009-11-10




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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