Accession Number : AD0635043

Title :   PLASMA ARC MACHINING.

Descriptive Note : Final rept.

Corporate Author : THERMAL DYNAMICS CORP LEBANON N H

Personal Author(s) : Ordway, James F. ; Colligan,George A. ; Browning,James A.

Report Date : MAY 1966

Pagination or Media Count : 86

Abstract : The concept of metal removal by Plasma-Arc machining utilizing DC transferred and non-transferred arc techniques was explored. Tests on various metal alloys at a power level of 50KW show that optimum torch-to-work geometry, feed and surface speed provide high removal rates. Surface finishes of 30 microinch (RMS) were obtained and metallurgical changes were generally of a surface nature. A variety of workpieces including low and medium carbon, low alloy and high nickel steels and titanium were used in the tests. (Author)

Descriptors :   (*MACHINING, PLASMAS(PHYSICS)), TORCHES, PLASMA JETS, STEEL, TITANIUM, ELECTRIC ARCS, SURFACE PROPERTIES

Subject Categories : Fabrication Metallurgy

Distribution Statement : APPROVED FOR PUBLIC RELEASE