Outline
Concerned with the making, installation and repair of sheet-metal products such as ventilating, air-conditioning and heating ducts, roofing, siding and rainspouts. Includes the cutting and shaping of metal and fabrication and installation.
Tasks
| performed | performed | observed | |
| alone | with help | ||
| 1. Layout and Pattern Development | |||
| -Identify various types of fasteners | _____ | _____ | _____ |
| -Keep track of sheet metal screws, rivets, bolts and nuts and store them in their proper place | _____ | _____ | _____ |
| -Read and interpret blueprints and sketches | _____ | _____ | _____ |
| -Lay out work from shop drawings and developing patterns | _____ | _____ | _____ |
| -Layout edges seams and notches | _____ | _____ | _____ |
| -Layout patterns and work using parallel and radial line development and triangulation | _____ | _____ | _____ |
| 2. Benchwork Construction | |||
| -Demonstrate proper care and use of sheet meta cutting tools | _____ | _____ | _____ |
| -Cut sheet metal with hand tools | _____ | _____ | _____ |
| -Use hand snips, files and chisels to cut the sheet metal | _____ | _____ | _____ |
| -Use hack-saws and cut off shears to cut metal | _____ | _____ | _____ |
| -Use and care for sheet metal drilling tools | _____ | _____ | _____ |
| -Use hand drill to drill metal to prescribed gauge | _____ | _____ | _____ |
| -Use breast drill and electric hand drill to drill sheet metal to prescribed gauge | _____ | _____ | _____ |
| -Punch sheet metal with hand tools | _____ | _____ | _____ |
| -Use mechanical hand punch to produce holes in sheet metal | _____ | _____ | _____ |
| -Use hole punch to produce holes in sheet metal | _____ | _____ | _____ |
| -Form sheet metal using approved techniques | _____ | _____ | _____ |
| -Assemble sheet metal using hand tools | _____ | _____ | _____ |
| -Seam with hand groovers and grooving nails | _____ | _____ | _____ |
| -Rivet sheet metal | _____ | _____ | _____ |
| -Use rivet sets and pop riveting gun | _____ | _____ | _____ |
| -Solder sheet metal with soldering copper | _____ | _____ | _____ |
| 3. Shearing, Forming, Crimping and Rolling | |||
| -Operate squaring shears to size stock | _____ | _____ | _____ |
| -Operate the circular shears to produce disks, rings, irregular cuts and slip sheet metal | _____ | _____ | _____ |
| -Operate the bar folder to form edges and folds for seams | _____ | _____ | _____ |
| -Operate the bar folder to form angles, channels and bars | _____ | _____ | _____ |
| -Operate the box and pan brake to form square and rectangular objects jobs | _____ | _____ | _____ |
| -Operate the box and pan brake to form common seams | _____ | _____ | _____ |
| -Operate the slip rolls to form cylindrical and flared objects | _____ | _____ | _____ |
| -Operate the slip rolls to form wires and bands | _____ | _____ | _____ |
| -Form beads on cylindrical and flat stock | _____ | _____ | _____ |
| -Form crimps on cylindrical objects | _____ | _____ | _____ |
| -Operate turning machines to turn edges on cylindrical and circular objects | _____ | _____ | _____ |
| -Operate wiring machine to produce a wire edge on cylindrical and circular objects and flat stock | _____ | _____ | _____ |
| -Operate setting down machine to set edges on circular and flat stock | _____ | _____ | _____ |
| -Operate double seaming machine to seam edges on circular and flat objects | _____ | _____ | _____ |
| 4. Grinding and Drill Press | |||
| -Operate drill press to drill holes in sheet metal | _____ | _____ | _____ |
| -Drill holes in angle iron and flat stock | _____ | _____ | _____ |
| -Use and care for grinders properly | _____ | _____ | _____ |
| -Operate grinders to shape objects and assemblies | _____ | _____ | _____ |
| -Operate the burring machine to burr edges on cylindrical and circular objects | _____ | _____ | _____ |
| 5. Assembly | |||
| -Perform seaming using the grooving machine | _____ | _____ | _____ |
| -Operate grooving machine to produce lock seams | _____ | _____ | _____ |
| -Use mechanical fasteners to fasten metal screws, rivets, bolts and nuts, etc. | _____ | _____ | _____ |
| -Fasten using fusion and adhesion | _____ | _____ | _____ |
| -Solder and braze metal using hard solder | _____ | _____ | _____ |
| -Braze metal using bronze and brass | _____ | _____ | _____ |
| -Weld metal subassemblies and assemblies using spot welder, oxyacetylene and electric arc welder | _____ | _____ | _____ |
| -Cut bar stock using oxyacetylene cutting torch | _____ | _____ | _____ |
| ADDITIONAL TASKS | |||
| _____ | _____ | _____ | |
| _____ | _____ | _____ | |
| _____ | _____ | _____ | |
| _____ | _____ | _____ |
| Equipment Used | Related Positions |
| Mechanical Fasteners _____ | Machinist |
| Grooving Machine _____ | Blacksmith |
| Spot Welder _____ | Mechanical Engineer |
| Electric Arc Welder _____ | Mining Driller |
| Cutting Torch _____ | Structural Metal Fitter |
| Power Hand Grinder _____ | Welder |
| Floor Grinder _____ | Sheet Metal Worker/Cutter |
| Bench Grinder _____ | Mould Maker |
| Crimping Machine _____ | Tool & Die Worker |
| Beading Machine _____ | Machinery Mechanic |
| Box and Pan Brake _____ | Locksmith |
| Bar Folder _____ | Gunsmith |
| Circular Shears _____ | Metallurgist |
| Solid Punch _____ | Metal Electroplater |
| Hollow Punch _____ | |
| Mechanical Hand Punch ____ | |
| Hammers _____ | |
| Mallets _____ | |
| Pliers _____ | |
| Snippers and Seamers _____ | |
| Bench Stakes and Plates ____ | |
| C-Clamps _____ | |
| Angle Irons _____ | |
| Vises _____ | |
| Chisel _____ | |
| Hack Saw _____ | |
| Cut Off Shears _____ |