{
  "$type": "site.standard.document",
  "description": "According to a method of manufacturing a flanged shaft member (1) having a plurality of flanges (21) used to fasten the shaft member to a wheel, when the flanges (21) are formed on a part between a shaft portion (10) and a fitting shaft portion (30) through lateral extrusion while a forged recess…",
  "path": "/patents/998327",
  "publishedAt": "2012-09-12T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B21J5/02",
    "JTEKT CORP [JP]"
  ],
  "textContent": "According to a method of manufacturing a flanged shaft member (1) having a plurality of flanges (21) used to fasten the shaft member to a wheel, when the flanges (21) are formed on a part between a shaft portion (10) and a fitting shaft portion (30) through lateral extrusion while a forged recess (35) is formed at a center of an end surface of the fitting shaft portion (30) with the use of a forging die apparatus for cold forging, each flange (21) is formed so as to be curved in a direction opposite to a direction, in which the flange warps due to springback caused after the lateral extrusion, by an amount corresponding to an amount of warpage due to the springback.",
  "title": "Method of manufacturing a shaft member for a wheel hub assembly with rolling bearings"
}