CLUSTER Agriculture, Food and Natural Resources s1

CLUSTER Agriculture, Food and Natural Resources

COURSE Agriculture Intro to Oxy-Acetylene/ARC Welding

WEVIS CODE 2006

Course Description:

The Skill Sets in this course are representative of the basic knowledge included in a Career and Technical Education/Health Science concentration. Incorporated into this course are elements of introductory knowledge and skills necessary for any health occupations career. This course is recommended as a prerequisite to any Elective Health Science Education Cluster concentration.

*This course is being recommended as an elective for students who are completing the core secondary level Career and Technical Education/Concentration.

SKILL SETS

SMAW & MIG Welding

Oxy Fuel Cutting, Welding and Brazing

Skill Set / SMAW & MIG Welding
Knowledge Objectives
2006.1 / Students will demonstrate knowledge of
· identify common safety hazards of welding
· identify and explain specific PPE needs of welding
· know how to avoid welding fumes
· know how to prepare base metal for welding
· know and identify types of welding joints (butt, fillet, lap, etc)
· identify and explain characteristics of Shielded Metal Arc Welding (SMAW)
· know how welding electrodes are coded
· identify factors for electrode selection
· know how to set up a welder before use
· know the difference between Gas Metal Arc Welding (GMAW) and Flux Core Arc Welding (FCAW)
· know the uses of GMAW and FCAW
· know how to set up a MIG welding machine
Performance Objectives
2006.2
2006.3
2006.4
2006.5
2006.6
2006.7
2006.8
2006.9
2006.10
2006.11
2006.12
2006.13
2006.14
2006.15
2006.16
2006.17
2006.18
2006.19 / Students will
· weld components in flat, vertical, or overhead positions.
· ignite torches or start power supplies and strike arcs by touching electrodes to metals being welded, completing electrical circuits.
· clamp, hold, tack-weld, heat-bend, grind or bolt component parts to obtain required configurations and positions for welding.
· operate manual or semi-automatic welding equipment to fuse metal segments, using processes such as gas tungsten arc, gas metal arc, flux-cored arc, plasma arc, shielded metal arc, resistance welding, and submerged arc welding.
· monitor the fitting, burning, and welding processes to avoid overheating of parts or warping, shrinking, distortion, or expansion of material.
· examine workpieces for defects and measure workpieces with straightedges or templates to ensure conformance with specifications.
· recognize, set up, and operate hand and power tools common to the welding trade, such as shielded metal arc and gas metal arc welding equipment.
· lay out, position, align, and secure parts and assemblies prior to assembly, using straightedges, combination squares, calipers, and rulers.
· chip or grind off excess weld, slag, or spatter, using hand scrapers or power chippers, portable grinders, or arc-cutting equipment.
· weld separately or in combination, using aluminum, stainless steel, cast iron, and other alloys.
· prepare all material surfaces to be welded, ensuring that there is no loose or thick scale, slag, rust, moisture, grease, or other foreign matter.
· select and install torches, torch tips, filler rods, and flux, according to welding chart specifications or types and thicknesses of metals.
· remove rough spots from workpieces, using portable grinders, hand files, or scrapers.
· position and secure workpieces, using hoists, cranes, wire, and banding machines or hand tools.
· guide and direct flames or electrodes on or across workpieces to straighten, bend, melt, or build up metal.
· clean or degrease parts, using wire brushes, portable grinders, or chemical baths.
· cut, contour, and bevel metal plates and structural shapes to dimensions as specified by blueprints, layouts, work orders, and templates, using powered saws, hand shears, or chipping knives.
· preheat workpieces prior to welding or bending, using torches or heating furnaces.
Skill Set / Oxy Fuel Cutting, Welding and Brazing
Knowledge Objectives
2006.20 / Students will demonstrate knowledge of
· identify and explain the use of oxy-fuel cutting, welding, and brazing equipment
· knowhow to set up oxy-fuel equipment
Performance Objectives
2006.21
2006.22
2006.23
2006.24
2006.25 / Students will
· light and adjust and oxy-fuel tip for cutting, welding, and brazing
· properly shut down oxy-fuel equipment
· perform oxy-fuel cutting
· perform oxy-fuel welding
· perform oxy-fuel brazing