NDLI: Automatic welding of stainless steel tubing (Document No: 19790010151)

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Automatic welding of stainless steel tubing (Document No: 19790010151)

Content Provider	NASA Technical Reports Server (NTRS)
Author	Clautice, W. E.
Copyright Year	1978
Description	To determine if the use of automatic welding would allow reduction of the radiographic inspection requirement, and thereby reduce fabrication costs, a series of welding tests were performed. In these tests an automatic welder was used on stainless steel tubing of 1/2, 3/4, and 1/2 inch diameter size. The optimum parameters were investigated to determine how much variation from optimum in machine settings could be tolerate and still result in a good quality weld. The process variables studied were the welding amperes, the revolutions per minute as a function of the circumferential weld travel speed, and the shielding gas flow. The investigation showed that the close control of process variables in conjunction with a thorough visual inspection of welds can be relied upon as an acceptable quality assurance procedure, thus permitting the radiographic inspection to be reduced by a large percentage when using the automatic process.
File Size	22685305
Page Count	149
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19790010151
Archival Resource Key	ark:/13960/t58d4qc4v
Language	English
Publisher Date	1978-08-01
Access Restriction	Open
Subject Keyword	Mechanical Engineering Tables Data Welding Cost Reduction Quality Control Automatic Control Reliability Analysis Pipes Tubes X Ray Analysis Stainless Steels Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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