Title:
A manufacturing method of the drilling operation stand for pipe support plate processing, and the pipe support plate using this
Document Type and Number:
Japanese Patent JP6273197
Kind Code:
B2
Abstract:
The present disclosure relates to a drilling worktable for manufacturing tube support plates of a steam generator constituting a primary system of a nuclear power plant. The drilling worktable includes a plate (100) having a drill insertion groove (110) formed to face a position at which a heat transfer tube insertion hole is drilled in a member to be processed. In addition, the present disclosure relates to a method of manufacturing tube support plates using the drilling worktable for manufacturing tube support plates. The method includes fixing the member to be processed after locating the member to be processed on the upper surface of the seating section, and drilling the heat transfer tube insertion hole in the member to be processed using a drill unit.
Inventors:
Kim, Gwang Won
Application Number:
JP2014263951A
Publication Date:
January 31, 2018
Filing Date:
December 26, 2014
Export Citation:
Assignee:
Doosan Heavy Industries Co., Ltd.
International Classes:
B23B47/28; B23B47/00; B23B49/00
Domestic Patent References:
| JP649009U | ||||
| JP2005305563A |
Foreign References:
| CN201848718U | ||||
| EP2620825A1 |
Attorney, Agent or Firm:
Kyosei International Patent Office