{
"$type": "site.standard.document",
"description": "A press forming method for an automotive outer panel according to the present invention is a method for press forming a metal sheet into an automotive outer panel having a character line and panel surface portions and by using a punch , a die , and a blank holder . The press forming method…",
"path": "/patents/1332814",
"publishedAt": "2022-12-08T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"B21D53/88",
"JFE STEEL CORPORATION"
],
"textContent": "A press forming method for an automotive outer panel according to the present invention is a method for press forming a metal sheet into an automotive outer panel having a character line and panel surface portions and by using a punch , a die , and a blank holder . The press forming method includes: a step of providing an elastic body protruding toward the punch side on a die-side forming surface portion 5forming the panel surface portion , and bringing the elastic body into contact with the metal sheet prior to the die ; and a step of press forming while crushing the elastic body and pressing the metal sheet , and the elastic body is caused to protrude from the die-side forming surface portion so that a frictional force of the crushed elastic body and the metal sheet is equal to or greater than an absolute value of a difference between tensions acting on. both sides of a portion corresponding to the character line",
"title": "PRESS FORMING METHOD AND PRESS FORMING APPARATUS FOR AUTOMOTIVE OUTER PANEL"
}