| 摘要 |
<p>PURPOSE: A method for manufacturing a flange using hot working is provided to improve fabrication efficiency, since multiple flanges are manufactured at a time. CONSTITUTION: A method for manufacturing a flange using hot working comprises following steps. A metal flange member(10) of stick or plate shape is heated by a heater(20). The flange member is shaped into a ring-shaped flange by hot working. The flange member, passing through a forming machine(30), is post-treated.</p> |
