Electric arc method for exciting ultrasonic waves
Title：
Electric arc method for exciting ultrasonic waves
Application Number：
 01143444
Application Date：
 2001/12/28
Announcement Date：
 2002/06/26
Pub. Date：
Publication Number：
 1355081
Announcement Number：
 1149133
Grant Date：
 2004-5-12
Granted Pub. Date：
 2004-5-12
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 B23K 9/06, B23K 20/10
Applicant(s)：
 Qinghua Univ
Inventor(s)：
 Wu Minsheng, Li Luming, Chen Yifang
Key Words：
 Electric arc, exciting, ultrasonic waves
Abstract：
 A method for using electric arc to excite ultrasonic wave includes such steps as electrically isolating alternating signals for guaranteeing safety of circuit, electrically isolating the are exciting signal of electrode for preventing signal interference, coupling the ultrasonic signals with arc exciting signals to obtain arc-ultrasonic exciting signals, and exciting electric arc for arc welding or smelting while modulating the electric arc by the said alternating signals in electric arc to excite ultrasonic waves, so improving the welding effect.
Claim：
Priority：
PCT：
LegalStatus：

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