Title:
THREADED MEMBER MANUFACTURING METHOD AND THREAD MACHINING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/247960
Kind Code:
A1
Abstract:
A threaded member (10) manufacturing method and a thread machining device. The threaded member (10) manufacturing method comprises: S1, removing a failed screw section on a threaded member (10) and polishing an exposed cross section (110) flat; wherein a failure includes at least one of breakage, corrosion, and thread damage; S2, sleeving and fixing a connecting sleeve (20) on the periphery of an embedded section (11) of the threaded member (10), and polishing the top surface of the connecting sleeve (20) to be flush with the cross section (110); S3, forming a screw blank section (30) on the embedded section (11) and the connecting sleeve (20) by means of laser cladding; S4, machining the screw blank section (30) to a polished rod that is coaxial with the embedded section (11); S5, machining threads on the polished rod to form a new screw section (12), and connecting to the embedded section (11) to form an integral threaded member (10).
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Inventors:
ZHAO JIANGUANG (CN)
CHEN LIANG (CN)
ZHANG JIANPING (CN)
PANG YIBIN (CN)
ZHU PENG (CN)
ZHANG FENG (CN)
RAN XIAOBING (CN)
LI XUEJUN (CN)
WANG LONG (CN)
LIU YANZHANG (CN)
XU GUOBING (CN)
SUN GUANG (CN)
QIU ZHENSHENG (CN)
SUN BINGBING (CN)
CHEN LIANG (CN)
ZHANG JIANPING (CN)
PANG YIBIN (CN)
ZHU PENG (CN)
ZHANG FENG (CN)
RAN XIAOBING (CN)
LI XUEJUN (CN)
WANG LONG (CN)
LIU YANZHANG (CN)
XU GUOBING (CN)
SUN GUANG (CN)
QIU ZHENSHENG (CN)
SUN BINGBING (CN)
Application Number:
PCT/CN2022/103132
Publication Date:
December 01, 2022
Filing Date:
June 30, 2022
Export Citation:
Assignee:
CHINA NUCLEAR POWER ENG CO LTD (CN)
LING AO NUCLEAR POWER CO LTD (CN)
CHINA GENERAL NUCLEAR POWER (CN)
CGN POWER CO LTD (CN)
LING AO NUCLEAR POWER CO LTD (CN)
CHINA GENERAL NUCLEAR POWER (CN)
CGN POWER CO LTD (CN)
International Classes:
B23G1/00; B23G1/44
Foreign References:
| CN113732411A | 2021-12-03 | |||
| CN104141129A | 2014-11-12 | |||
| CN201136734Y | 2008-10-22 | |||
| CN101224531A | 2008-07-23 | |||
| CN101776196A | 2010-07-14 | |||
| CN110644625A | 2020-01-03 | |||
| CN103981909A | 2014-08-13 | |||
| CN107457525A | 2017-12-12 | |||
| JP2014055420A | 2014-03-27 |
Attorney, Agent or Firm:
SHENZHEN REFINED INTELLECTUAL PROPERTY OFFICE (GENERAL PARTNERSHIP) (CN)
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