In January 2006, the 420,000-sq.-ft. Dana Corp. frame plant in Hopkinsville, KY, took delivery of two huge 2500-ton Jier Mechanical Press Co. (Jinan, China) transfer presses from Jier's U.S. partner Toledo Press Co., Toledo, OH. The Dana plant stamps and assembles full frames and cradles for the automotive industry. For its 2006 transfer-system investment, the plant is geared up to produce 67 new stampings from 55 new dies to produce SUV and truck frames. The new Jier transfer presses, which bring the plant's press inventory to 22 including two new 1000-ton Jier blanking presses, provide a 34-in. stroke and 45-in. shut height, with 96- by 240-in. bed size. Gudel's press automation installed on the presses features ETR-0 three-axis programmable servo-transfer systems with 60 in. of pitch, 12 in. of lift and 45.75 in. of clamp travel per side, and a between-press shuttle. Each of two Model BDS-1 destackers can handle blanks as large as 40 by 96 in. Plenty of shut height allows the presses to handle some fairly tall parts, as does careful die-design procedures and reviews to maintain a clean transfer window. The use of 3D die design has ensured successful transfer-press runs at optimum speed with little or no tryout tweaking. Careful up-front design review of the press specifications, as well as die designs, with consideration of the parts to be run, also played a critical role in the success of the project. When the transfer presses begin full production of truck parts later this year, they'll run part lots of 2000 to 3000, or one week's supply for its customer. That means two to three die changes every shift. Thanks to the use of dual rolling bolsters, automatic hydraulic clamping, fully programmable destackers and prestaged dies with their transfer fingers, die changes should take 15 min. or less, including time to install the fingers and set up the destacker fanner magnets using a master blank.


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    Titel :

    Twin transfers run as tandem tag team


    Beteiligte:
    Kuvin, Brad F. (Autor:in)

    Erschienen in:

    Metal Forming ; 40 , 8 ; 32-34


    Erscheinungsdatum :

    2006


    Format / Umfang :

    3 Seiten, 2 Bilder



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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