Metal work is a trade that goes back hundreds of years. In that time many different tools and methods have been used to construct objects out of metal. One metal innovation has been the ability to form metal into smooth sheets that can be bent to make roofing panels, bent to make ductwork, even formed to make gutters and downspouts for homes. There are a few basic sheet metal bending tools that are consistently used by trade workers and HVAC technicians.
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A break is a very large piece of equipment that is solely designed for bending sheet metal. The sheet metal is placed between two flat bars, one of which is fixed. The movable bar is operated by hand to the desired degree (between 0 and 90 degrees). This bends the metal to a particular degree with a perfect crease. Sheet metal is typically bent with a break for window and door frame exterior capping, custom roof flashing and kick flashing.
The hand crimper-beaders are hand crank tools that will bend a defined edge on sheet metal when fed through the machine. This is typically used to make ridges in sheet metal for HVAC ductwork elbows to allow the elbow and the corresponding piece to connect snugly.
Rotary Cladding Machine
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