Automated method for butt weld inspection and defect diagnosis

Details Automated method for butt weld inspection and defect diagnosis Automated method for butt weld inspection and defect diagnosis

1994-07-18

1995-12-12

Heinrich, Samuel M.

Metal fusion bonding

Process

With measuring, testing, indicating, inspecting, or...

228 57, 228 9, B23K 1136, B23K 3100

Patent

active

054742250

ABSTRACT:
An automated method for non-destructive inspection and evaluation of a weld through the use of ultrasonic waves produced by an electromagnetic acoustic transducer (EMAT). The method includes automatic positioning of a transport apparatus containing EMAT transmitter and receiver coils in proximity of a just-completed weld; scanning the weld; receiving an electrical signal produced in the EMAT receiver coil by a reflected ultrasonic SH shear wave; recording and monitoring the electrical signal; analyzing tie electrical signal relative to predetermined control limits; signaling the presence of a defect in the weld; and communicating electronically with a welding apparatus to reperform and/or alter the way in which subsequent welds are made so as to avoid repetition of the defect. The method also includes automatic receiving, recording, and monitoring of welding apparatus and welding process data, as well as automatic adjustment of corresponding welding apparatus and welding process parameters.

REFERENCES:
patent: 3575044 (1971-04-01), Gibbs et al.
patent: 3850028 (1974-11-01), Thompson et al.
patent: 4058002 (1977-11-01), Moran
patent: 4289030 (1981-09-01), Alers et al.
patent: 4295214 (1981-10-01), Thompson
patent: 5085082 (1992-02-01), Cantor et al.
patent: 5154081 (1992-10-01), Thompson et al.
Technical Article by D. T. MacLaughlin, G. A. Alers and J. J. Jackson, "Detection and Measurement of Defects in Butt Welds", Review of Progress in Quantitative Nondestructive Evaluation, 1989, pp. 1039-1046.
Proposal #93155A06295.017, Rev. A, dated Sep. 13, 1993 and made to Armco Steel Company L.P. by the Taylor--Winfield Corp.; Re: Automated Flash Butt Welder Inspection System for #4 Pickle Line Welder.
Proposal #CB-011-B-00, dated Sep. 24, 1993 and made to Armco Steel Company L.P. by The Babcock & Wilcox Company; Re: Welder Diagnostic System.
Brochure entitled "Automated Butt-Weld Inspection System,", published Aug. 1993 by the Taylor--Winfield Corp., Warren Ohio.
Brochure entitled "EMAT Inspection Systems for Non-Destructive Testing", published Sept. 1993 by the Babcock & Wilcox Company, CIM Systems, Lynchburg, Va.
Brochure entitled: "Butt Weld Inspection and Weld Machine Diagnostic System", published Jul. 1994 by The Babcock & Wilcox Company, Innerspec Technologies, Lynchburg, Va.
Specification entitled "Armco Spec RES1174 (Inquiry #M-1174-00)", dated Nov. 7, 1993, issued by Armco Steel Company L.P. for No. 4 Pickle Line Automated Flash Butt Welder Inspection System.

Affiliated with

Also associated with

Rating

Automated method for butt weld inspection and defect diagnosis does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Automated method for butt weld inspection and defect diagnosis, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automated method for butt weld inspection and defect diagnosis will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1355181