| 发明名称 |
WORKPIECE CENTER HOLE MACHINING DEVICE |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a workpiece center hole machining device that can easily perforate a center hole position as a material. SOLUTION: This workpiece center hole machining device is provided with excess thickness projecting parts 22, 23 carving the workpiece center hole positions on both ends of a forged material 15.
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| 申请公布号 |
JP2003138903(A) |
申请公布日期 |
2003.05.14 |
| 申请号 |
JP20010335386 |
申请日期 |
2001.10.31 |
| 申请人 |
TOSHIBA CORP |
发明人 |
TAKEUCHI HIROYUKI;ASANO SOICHIRO |
| 分类号 |
F01D5/14;F02C7/00;(IPC1-7):F01D5/14 |
主分类号 |
F01D5/14 |
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