Cold Metal Skills 6831.24 Skills Needed for Cold Metal Tasks.
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Transcript of Cold Metal Skills 6831.24 Skills Needed for Cold Metal Tasks.
Identify Metal• Identify metal so that its
characteristics will be known before trying to do other cold metal and welding tasks
Thick Metal• Cutting thick cold metal
is done with a hacksaw or a metal cutting saw blade in band saws, jigsaws, or reciprocating saws
Bending Metal• Bending cold metal not
more than 3/8” thick can be done with a ball peen hammer and machinists vise
Shaping Cold Metal
• Shaping cold metal can be done by cutting, filing, grinding, or bending or combining any of these skills
Filing• The main reason to file
metal is to smooth rough places, but filing is also used to sharpen some tools
Grinding• Grinding is the procedure
used to sharpen points or edges of cutting tools made of high carbon steel
Identify Metal• Identify metal so that its
characteristics will be known before trying to do other cold metal and welding tasks
Metal Identification•Identified by color, weight, texture, use, shape, forge or cast marks, and spark test
Galvanized Steel• Should be identified
because it gives off poisonous gas when heated for cutting or welding
Thick Metal• Should be cut with a
metal cutting saw such as hacksaw, band saw, or abrasive cut-off saw (chop saw)
Drilling Metal• Using a center punch and
ball peen hammer to dent the metal to prevent the drill bit from wandering from the desired location