Welding

This course introduces the fundamental concepts of welding with an overview of the four major processes: Shielded Metal Arc Welding (SMAW) Gas Metal Arc Welding (GMAW) Gas Tungsten Arc Welding (GTAW) and Oxyfuel Welding (OFW). Emphasis will be placed upon the safety requirements for electric and gas welding processes based upon the ANSI Z49.1 Safety in Welding, Cutting and Allied Processes. Fire prevention, confined spaces procedures, hot work procedures, material handling and general shop safety will be studied. An introduction to welder qualifications will be covered as well as joint configurations and welding terminology used in the field. Professional work traits expected in the welding field will be discussed. Corequisite: WELD111M, WELD 112M

At the successful completion of this course, each student will be able to: (1) safely utilize oxy-fuel cutting equipment to cut shapes and prepare material for welding; (2) safely utilize oxy-fuel welding equipment to weld various mild steel joints in the four welding positions; (3) safely utilize arc welding equipment to weld various mild steel joints in the four welding positions; (4) safely use oxy-fuel equipment for braze welding, brazing, soldering and fusion welding of the most widely used types of metals.

This course will allow students to explore how metals are produced; the advantages of different steel making processes; chemical, physical and mechanical properties of common metals; the operating principles of gas and arc welding and cutting equipment; how electrodes are made and their uses, differences and numbering system; and basic joints and processes. Gas and arc welding processes are identified, and methods to control them are also explained.

Introduces the basic concepts and practices of technical drawing and blueprint reading. Covers the proper use of: drawing equipment; line work and lettering; construction and interpretation of multi-view orthographic drawings; sectional views and auxiliary views. Other topics of discussion include dimensioning and tolerances; sketching and structural steel shapes. Emphasis will be placed on using the drawing skills learned to maintain a high quality of workmanship in the field.

Instructs students in the safe, hands-on use of the GTAW, GMAW, FCAW, SAW and PAW processes as they are used in industry. The GTAW process will be used to weld mild steel, stainless steel, aluminum, copper alloys and titanium. The GMAW process will be used to weld mild steel, stainless steel and aluminum. Resistance welding, plastic welding and thermal spray equipment may also be used. Prerequisites: WELD111M, WELD112M.

Covers the theory behind the gas-shielded arc welding processes, GMAW and GTAW. Principles of operation, filler materials and gas selection are discussed in great detail, as well as modern welding processes, including: Submerged Arc Welding, Plasma Arc Welding; Solid State Welding; Resistance Welding; Electroslag Welding; Stud Welding; the high energy beam processes; Thermal Spraying and more. Prerequisite: WELD112M.

Introduces the safety and fundamental use of machine tools in both manufacturing and repair environments. Processes covered include turning, milling, drilling, broaching, grinding and precision measurement. In laboratory sessions, students will apply the techniques studied by using machine tools to manufacture welding fixtures and dimensionally restore parts which were repaired by welding.

Provides the students with a technical understanding of shielded metal arc welding, arc welding power supplies, electrode classifications, oxy-fuel welding and cutting, torch brazing, joint types, preparation and fit-up and welding safety. Also provides training to make quality fillet and square groove welds in the flat position on various thickness of mild steel, using the (SMAW), (OFW) and (TB) processes.

Builds on the knowledge and skill acquired in Basic Arc and Gas (WELD180M). It provides the training to make multiple-pass fillet and square groove welds in all positions on mild steel plate using the (SMAW) process. Also provides training to develop the skills to make fillet and square groove welds in the flat, horizontal and vertical positions on mild steel, using the (OFW) process. Prerequisite: WELD180M.

Provides students with an understanding of welder qualification in accordance with the American Welding Society, D1.1 Structural Welding Code. Also provides training to develop the skills to make code-quality, multiple-pass groove welds with backing on 3/8” mild steel plate in all positions using E7018 electrodes. Prepares students for welder qualification testing used throughout the welding industry. Prerequisites: WELD180M, WELD181M.

Designed for the experienced welder. Provides the training to make multiple-pass, open-root v-groove welds on 3/8” mild steel plate and 4” - 6” mild steel pipe in all positions, using E6010 and E7018 electrodes. Also provides training for mechanized oxy-fuel cutting as well as carbon arc cutting and gouging. Prerequisites: WELD180M, WELD181M, WELD182M.

Provides students with a technical understanding of gas tungsten arc welding, equipment adjustments, tungsten electrodes, filler metals, shielding gases, plasma arc cutting and welding safety. Also provides training to develop skills to make quality welds on 14- and 11-gauge mild steel, stainless steel and aluminum, in the flat, horizontal and vertical positions. Prepares students for production/maintenance welding. Prerequisite: WELD180M.

Provides students with a technical understanding of gas metal arc welding, flux-cored arc welding, equipment adjustments, metal transfer modes, filler metals, shielding gases and welding safety. Also provides training to develop the skill necessary to make quality (GMAW) and (FCAW) welds in various positions on mild steel, stainless steel and aluminum, using short circuit, globular and spray transfer modes and illustrates problems in industrial situations and provides corrective information. Prerequisite: WELD180M.

Introduces: print reading, covering the different types of lines, dimensions and notes used to make sketches and prints; the various types of views and their relationship to each other; the welding symbols; and inspection and testing symbols for all welding processes. Students will develop a practical understanding of the blueprint reading knowledge required by the welding industry for employment. Prerequisites: WELD180M or WELD111M and WELD113M or permission of instructor.

Covers the hands-on practice of Shielded Metal Arc Welding as applied to the American Welding Society Structural Steel Code D1.1. Students perform welder qualification tests in all positions and subject the test coupons to the required forms of mechanical testing. The role of the Welding Inspector is also covered, as well as the documentation required for both welder and weld-procedure qualification. Students gain experience in the inspection role to become familiar with weld defects and discontinuities. Prerequisites: WELD111M, WELD112M, WELD121M, WELD122M, WELD125M.

This course will cover proper industrial quality-control procedures with respect to welder qualification, welding procedure qualifications, materials control and quality assurance organization. These concepts will then be utilized in discussion of three major welding codes and specifications: A.W.S., D1.1, ASM.E., boiler and pressure vessel code and A.P.I. 1104, which covers cross country pipelines. The principles and practices of common forms of non-destructive testing will be covered with emphasis placed upon weld defects and discontinuities. Several methods of safely performing leak testing will be covered. Weldability of the steels and non-ferrous metals will also be discussed, as well as the weldability of dissimilar metals. Prerequisites: WELD111M, WELD112M, WELD121M, WELD122M, WELD125M.

This course is an introduction to the science of Metallurgy and its application to the welding of various metals. The course includes theoretical studies, as well as laboratory exercises. The concepts covered will include: identification of metals; grain structures; heat treatment processes; quench mediums and effects of mass on quenching; composition of ferrous and non-ferrous alloys; microscopic examination of metals; hardness, spark and tensile testing; and the effects of carbon and alloy content on heat-treatments and welding. Prerequisite: MATH111M; Corequisite: MATH135M.

This course deals with problems encountered when welding different types of steel and non-ferrous metals in a production shop; the use of arc motion and work motion equipment and robotics in the modern welding factory; the importance of welding procedures and the use of fixtures; and the estimating of typical welding costs (materials, cutting, welding, consumables and overhead) used to price out a job. Prerequisites: WELD111M, WELD112M, WELD121M, WELD122M, WELD211M or WELD212M.

Students use arc welding equipment to make multiple pass and 100% penetration welds in the 1G, 2G, 3G and 4G positions on mild steel plate with electrodes from the fast freeze, fill freeze and fast fill groups; safely utilize arc welding equipment to produce welds on 4-inch and 6-inch standard steel pipe in the 1G, 2G, 5G, 6G positions, plus various pipe assemblies. Prerequisites: WELD111M, WELD112M or WELD211M.

This course will introduce the student to the principles of applied statics and strength of materials as they relate to weldments, weld testing, material testing and related rigging. Laboratory projects will involve the use of non-destructive and destructive testing equipment to determine the forces acting upon rigid bodies under a static load, as well as the mechanical properties of materials. Prerequisites: MATH111M and MATH135M or higher and WELD213M or ADMT220M. Corequisite: PHYS100M or higher.

This course introduces the fundamental concepts of welding with Gas Tungsten Arc Welding (GTAW) on Carbon steel, Stainless steel and Aluminum Pipe. Skills will be developed in all pipe positions, 1G, 2G, 5G and 6G. Topics covered will include: open root welds, backing ring welds, consumable insert welds, and back purged welds. Prerequisite: WELD211M. Corequisite: WELD221M.