PRESS DIE FOR CUSHION DRAWING

PRESS DIE FOR CUSHION DRAWING

PURPOSE:To decrease a shock sound of metal during the formation of a work, by lowering a blank holder at a speed lower than the lowering speed of an upper die prior to working the work. CONSTITUTION:A work 19 is set in a lower die D and when an upper die C is lowered at a speed V1, a bevel 9a presse...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: FURUBAYASHI TADASHI
Format: Patent
Sprache:eng
Schlagworte:
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PRESSES
PRESSES IN GENERAL
PUNCHING METAL
TRANSPORTING
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:PURPOSE:To decrease a shock sound of metal during the formation of a work, by lowering a blank holder at a speed lower than the lowering speed of an upper die prior to working the work. CONSTITUTION:A work 19 is set in a lower die D and when an upper die C is lowered at a speed V1, a bevel 9a presses a sliding cam 16 to left at a speed V2, so that when an angle theta1 is >=45 deg., V2