| 摘要 |
PROBLEM TO BE SOLVED: To provide an improved quenching method and quenching apparatus. SOLUTION: The quenching apparatus 100 includes a first cooling section 101, a second cooling section 103 and a central cooling section 105. The first cooling section 101 and the second cooling section 103 include respectively supports 107 and 115, pipes 109 and 117, and spacers 111 and 119. The pipes 109, 117 each has an inlet attached to a fluid source. The above pipes 109 and 117 have openings for spraying a fluid, which are regularly arranged around the pipes to provide axisymmetric cooling to an annular forged object F. COPYRIGHT: (C)2003,JPO
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