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Record Details

Record 37 of 38318
Automatic-Control System for Safer Brazing
Author and Affiliation:
Stein, J. A.(Rockwell International Corp.)
Vanasse, M. A.(Rockwell International Corp.)
Abstract: Automatic-control system for radio-frequency (RF) induction brazing of metal tubing reduces probability of operator errors, increases safety, and ensures high-quality brazed joints. Unit combines functions of gas control and electric-power control. Minimizes unnecessary flow of argon gas into work area and prevents electrical shocks from RF terminals. Controller will not allow power to flow from RF generator to brazing head unless work has been firmly attached to head and has actuated micro-switch. Potential shock hazard eliminated. Flow of argon for purging and cooling must be turned on and adjusted before brazing power applied. Provision ensures power not applied prematurely, causing damaged work or poor-quality joints. Controller automatically turns off argon flow at conclusion of brazing so potentially suffocating gas does not accumulate in confined areas.
Publication Date: Jul 01, 1986
Document ID:
19860000394
(Acquired Nov 04, 1995)
Accession Number: 86B10394
Subject Category: FABRICATION TECHNOLOGY
Report/Patent Number: MSC-20881
Document Type: NASA Tech Brief
Publication Information: NASA Tech Briefs (ISSN 0145-319X); 10; 4; P. 121
Publisher Information: United States
Financial Sponsor: NASA; United States
Organization Source: NASA Johnson Space Center; Houston, TX, United States
Description: In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: No Copyright
NASA Terms: AUTOMATIC CONTROL; BRAZING; INDUCTION HEATING
Availability Source: National Technology Transfer Center (NTTC), Wheeling, WV
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