Prevent an explosion from such a reaction by treating such cutting as if high pressure gas is inside the compartment when you start cutting.
Cutting galvanized sheet metal with plasma.
Average size of the part is about 12 x6 with various cut outs and holes if i could use the plasma to cut these parts out it would save a lot of time.
Arrange the teeth of your tin snips over the marked line on your sheet metal.
The zinc in galvanized steel can react with moisture from the scrap metal creating a highly flammable stream of hydrogen that shoots out when the outer layer of galvanized steel is cut.
Mild steel o 2 plasma air shield 130 a cutting 220173 220183 220176 220179220182 220181 metric english select gases set preflow set cutflow material thickness arc voltage torch to work distance cutting speed initial pierce height pierce delay time plasma shield plasma shield plasma shield mm volts mm mm m mm factor seconds o 2 air 32 32 84.
These coatings and any metal containing these elements can give off toxic fumes when cut with a plasma arc always read the material safety data sheets msds for all coatings metals and consumables used in the process.
Automatic cutting steel with a thickness of 1 5 mm using plasma.
How to join galvanized metal without melting the galvanized coating duration.
Aks cutting systems manufactures cnc cutting machines including plasma cutters waterjet cutting systems and oxy fuel burning tables for the sheet metal plate metal and fabricating industries.
Presently we shear and punch parts from a 4x12 sheet.
We cut galvanized steel ranging from 20 to 10 ga.
Robo kut robotic plasma and waterjet beveling system.
The process of using tin snips is very similar to using scissors.
Jigsaws and metal cutting band saws are more work but can make most cuts in light to medium sheet metal.
The machine thermal cutting of metals rur 3500 with respect to its structural and dynamic.
When cutting coated metals such as galvanized steel lead or cadmium plated steel remove the coating from the cutting area if possible.
A handheld cutting tool fitted with a metal cut off wheel will easily cut through sheet.
