Basic Welding Technician

Author: Mechanical Industry Vocational Skill Qualification Assessment Guidance Center
Publisher:
Publish Date: 2002-01-01
Features: This book introduces the basic knowledge of welding arcs, welding materials, welding joints, and weld symbols based on the requirements for primary workers in the "Technical Skill Qualification Specification (Assessment Outline) for Electric Welders" of the People's Republic of China. It covers common knowledge of selecting, using, and storing welding materials, the basic principles and characteristics of common arc welding power sources. The book emphasizes the equipment composition, welding processes, and operating techniques of shielded metal arc welding (SMAW), submerged arc welding (SAW), manual tungsten inert gas welding (TIG), and carbon dioxide gas-shielded welding. It briefly introduces the principles and operation of chipping arc cutting, relevant knowledge of arc welding defects, the use of common equipment, jigs, and fixtures, general knowledge of related trades, and safety production practices. This book serves as a vocational skill training textbook for primary electric welders and can also be used as a reference for teachers and students in welding programs at vocational high schools, technical schools, and vocational secondary schools.