Part of a core shroud support plate in a nuclear reactor vessel is machined using an electrical discharge machining (EDM) tool by inserting the tool into a previously formed cylindrical bore, machining the shroud support plate and removing the slug from the plate to form a hole in it. Also claimed is a process for drilling holes in a core shroud support plate.
申请公布号
DE19642519(A1)
申请公布日期
1998.04.16
申请号
DE19961042519
申请日期
1996.10.15
申请人
GENERAL ELECTRIC CO., SCHENECTADY, N.Y., US
发明人
MATSUMOTO, JACK TOSHIO, SUNNYVALE, CALIF., US;KAZIRSKIS, BENEDICT, BARTO, CALIF., US;PENCE, VERNON W., SAN JOSE, CALIF., US;KASIK, JAMES F., SAN JOSE, CALIF., US