DEVICE FOR PUNCHING METAL SHEET

PURPOSE:To make a device for punching a metal sheet whooly compact by reducing by half the horizontal width of a gate for passing a material at the part for punching a metal sheet. CONSTITUTION:In the metal sheet punching device in which a metal sheet 21 to be punched is moved by the use of an X-tab...

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Bibliographic Details
Main Authors UENO HIDEJI, TSUKAMOTO KAZUHO
Format Patent
LanguageEnglish
Published 10.02.1995
Edition6
Subjects
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
TRANSPORTING
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Summary:PURPOSE:To make a device for punching a metal sheet whooly compact by reducing by half the horizontal width of a gate for passing a material at the part for punching a metal sheet. CONSTITUTION:In the metal sheet punching device in which a metal sheet 21 to be punched is moved by the use of an X-table 17 and a Y-table 14 and in which a plural number of holes are punched at prescribed positions with a pair of punch 1 and die 3, the horizontal width L of the gate 5 for passing a material at the punching part 24 is reduced by half, by providing a means 25 for rotating the metal sheet by 180 deg. after a half area of the metal sheet 21 has been punched and by performing a punching on the remaining half area after the 180 deg. rotation, so that the device is made compact.
Bibliography:Application Number: JP19930205781