发明授权
- 专利标题: Brazing methods for PDC cutters
- 专利标题(中): PDC刀具的钎焊方法
-
申请号: US12696706申请日: 2010-01-29
-
公开(公告)号: US08360176B2公开(公告)日: 2013-01-29
- 发明人: Youhe Zhang , Yuelin Shen , Hong Deng
- 申请人: Youhe Zhang , Yuelin Shen , Hong Deng
- 申请人地址: US TX Houston
- 专利权人: Smith International, Inc.
- 当前专利权人: Smith International, Inc.
- 当前专利权人地址: US TX Houston
- 主分类号: E21B10/50
- IPC分类号: E21B10/50 ; E21B10/62
摘要:
A method for a down hole cutting tool is disclosed, wherein the cutting tool includes a cutting element support structure having at least one cutter pocket to support a cutting element comprising a substrate and an ultrahard layer. The method includes inserting a base portion of the cutting element into the cutter pocket; locating a first braze alloy such that when heated the first braze alloy melts and fills a space in the cutter pocket between the cutting element and the cutting element support structure adjacent the ultrahard layer; locating a second braze alloy such that when heated the second braze alloy melts and fills a space in the cutter pocket between the cutting element and the cutting element support structure non-adjacent the ultrahard layer; and heating the first and second braze alloy such that they melt.
公开/授权文献
- US20100187020A1 BRAZING METHODS FOR PDC CUTTERS 公开/授权日:2010-07-29
信息查询