By Hobart
This e-book offers an evidence of the stairs essential to improve tactics and function skills for welding.
summary: This ebook offers an evidence of the stairs essential to advance strategies and function skills for welding
Read Online or Download Welding procedures and qualification : training workbook PDF
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Extra info for Welding procedures and qualification : training workbook
Sample text
Shielding Gas – A gas used to produce a protective atmosphere. Weld Pass – A single progression of welding along a joint. The result of a weld pass is a weld bead or layer. Short Circuiting Transfer (gas metal arc welding) – Metal transfer in which molten metal from a consumable electrode is deposited during repeated short circuits. See also globular transfer and spray transfer. Welder – One who performs manual or semiautomatic welding. Welder Certification – Written verification that a welder has produced welds meeting a prescribed standard of welder performance.
Any revised procedures must be approved. If the variable being changed is not outside the existing limit, the change is made on the Welding Procedure Specification, a revision number is added, and no requalification is needed. Welding Procedures are prepared and qualified during the design of the product or weldment. The engineering department should be aware of the procedures to assure production is accurate and efficient. Manufacturing personnel also require copies of the procedures to make sure work is performed using the proper methods, materials and techniques.
Equally important, however, is the process of record keeping to prevent duplication of work, and to improve efficiency and organization. © HOBART INSTITUTE OF WELDING TECHNOLOGY 37 EW512-3 TOPIC 5 REVIEW QUESTIONS Circle the correct answer. 1. Why do manufacturing or construction personnel require copies of the procedures and welder qualification reports? A. To maintain accurate files. B. To better understand company policy. C. To insure welding is performed using approved methods and techniques.