Method and device for reducing overpenetration at the start of plasma arc welds
Abstract
A shim for improving plasma arc weld quality has ends tapered at about 25.degree. and notches at each end roughly centered over the corner between the tapered ends and main body of the shim. The improved shim allows lower starting plasma arc heat input and reduces the occurrence of sagging, or overpenetration, of the weld.
- Inventors:
-
- Jackson Township, Stark County, OH
- Bedford County, VA
- Washington Township, Stark County, OH
- Issue Date:
- Research Org.:
- BABCOCK & WILCOX CO
- OSTI Identifier:
- 871666
- Patent Number(s):
- 5773786
- Assignee:
- McDermott Technology, Inc. (New Orleans, LA)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B23 - MACHINE TOOLS B23K - SOLDERING OR UNSOLDERING
- DOE Contract Number:
- AC11-95PN38196
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- method; device; reducing; overpenetration; start; plasma; welds; shim; improving; weld; quality; tapered; 25; degree; notches; roughly; centered; corner; main; improved; allows; starting; heat; input; reduces; occurrence; sagging; heat input; weld quality; /219/
Citation Formats
Sanders, John M, Lehmann, John M, and Ryan, Patrick M. Method and device for reducing overpenetration at the start of plasma arc welds. United States: N. p., 1998.
Web.
Sanders, John M, Lehmann, John M, & Ryan, Patrick M. Method and device for reducing overpenetration at the start of plasma arc welds. United States.
Sanders, John M, Lehmann, John M, and Ryan, Patrick M. Thu .
"Method and device for reducing overpenetration at the start of plasma arc welds". United States. https://www.osti.gov/servlets/purl/871666.
@article{osti_871666,
title = {Method and device for reducing overpenetration at the start of plasma arc welds},
author = {Sanders, John M and Lehmann, John M and Ryan, Patrick M},
abstractNote = {A shim for improving plasma arc weld quality has ends tapered at about 25.degree. and notches at each end roughly centered over the corner between the tapered ends and main body of the shim. The improved shim allows lower starting plasma arc heat input and reduces the occurrence of sagging, or overpenetration, of the weld.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Jan 01 00:00:00 EST 1998},
month = {Thu Jan 01 00:00:00 EST 1998}
}
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