MOLD, DIE, STRIPPER, AND PROCESSING METHOD

To remove burrs of a workpiece without leaving a dent.SOLUTION: A mold 1 includes: a punch 10 having a punching part 12 for punching a workpiece; a die 30 which faces the punch 10 and has a workpiece mounting surface 31; and a stripper 50 which sandwiches the workpiece with the die 30. The mold 1 in...

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Bibliographic Details
Main Authors MATSUURA SATOSHI, KURAOKA KAZUHIRO, AZUMA HIROKI
Format Patent
LanguageEnglish
Japanese
Published 12.03.2020
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:To remove burrs of a workpiece without leaving a dent.SOLUTION: A mold 1 includes: a punch 10 having a punching part 12 for punching a workpiece; a die 30 which faces the punch 10 and has a workpiece mounting surface 31; and a stripper 50 which sandwiches the workpiece with the die 30. The mold 1 includes: an upper burr removal tool 61 which is attached to a lower part of the stripper 50 in a rollable manner; and a lower burr removal tool 41 which is attached to an upper part of the die 30 in a rollable manner, faces the upper burr removal tool 61, and has a spherical shape.SELECTED DRAWING: Figure 2 【課題】打痕を残すことなくワークのバリ取りをする。【解決手段】金型１は、ワークを打抜くための打抜き部１２を有するパンチ１０と、パンチ１０に対向し、ワークの搭載面３１を有するダイ３０と、ダイ３０との間にワークを挟むストリッパ５０とを備えている。金型１は、ストリッパ５０の下部に転動可能に取り付けられた上バリ除去具６１と、ダイ３０の上部に転動可能に取り付けられ、上バリ除去具６１と対向する球状の下バリ除去具４１とを備えている。【選択図】図２
Bibliography:Application Number: JP20180166263