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  • Vesta Engenharia Compensates for Highest Springback to Date with ESI’s PAM-STAMP
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    Vesta Engenharia Compensates for Highest Springback to Date with ESI’s PAM-STAMP

    TradeSheet Metal FormingIndustryGround Transportation
    www.aethra.com.br
    Successful springback compensation is the result of a stable and robust process, knowledge of the product demand and a good understanding of the software results.
    Bernardo Perillo, Ricardo Micheletti Viana, Wellington Caetano Soares Mechanical Engineers, VESTA Engenharia

    Challenge

    VESTA Engenharia faces an unprecedented springback value on a stamped vehicle bumper. The unusually high value is, in part, due   to the dual phase steel material used. The team wants to quickly meet the challenge, but needs to avoid costly trial and error iterations and scrap on the shop floor.

    Story

    VESTA Engenharia, founded in 2011 from the AETHRA Group, is an independent company which aims to provide high quality services in a variety of engineering fields, such as automotive, aerospace, mining and metallurgy, naval, renewable energy and steel. One of the products VESTA manufactures is a vehicle bumper. (Fig.1) The bumper is made in a single action stamping operation from a dual phase steel material. This high-strength steel with both a ferrite and a martensitic microstructure causes it to have a springback behavior that is much more difficult to compensate than with conventional steel. For some reason, in this case, the springback values were significantly higher than usual. View the complete story in the PDF attached.

    Benefits

    VESTA Engenharia virtually validated the tooling compensation strategy with ESI’s PAM-STAMP simulation software. Engineers milled tools based on PAM-STAMP results and created parts within the required tolerances on the very first try. Getting it right the first time eliminated, in this particular case, 110 hours of rework and raw material scrap associated with trial and error. This is the  necessary time needed for one single correction loop, so one can take this number of hours as the minimum benefit to be reached.


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    • Vesta Engenharia Compensates for Highest Springback to Date with ESI’s PAM-STAMP
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    Page URL:
    https://www.esi-group.com/company/about/customer-successes/vesta-engenharia-compensates-highest-springback-date-esis-pam-stamp
    Permanent link to the page:
    https://www.esi-group.com/node/3897
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