THE PAPER DESCRIBES A PART DESIGN BASED ON ITS FORMABILITY WITHIN THE LIMITS OF A CERTAIN PARTS FORMER. THE FINAL TOOL LAYOUT IS DISCUSSED. SPECIAL FEATURES IN TOOL DESIGN FOR LONGSTROKE HEADERS ARE EXPLAINED. BASED ON PRACTICAL EXPERIENCE, DIRECTIONS ARE GIVEN ON HOW TO DESIGN TOOLING FOR CUP EXTRUSION AND IMPROVE TOOL LIFE IN GENERAL.
