The Press brake
Other than bending metals, another common fabricating process is cutting or hydraulic shearing machine using the shears. The advantages of the shears are its ability to cut flat metal sheets in a straight line and its flexibility in making relatively small cuts. This is made possible because the blades of the shears can be mounted in a certain angle that reduces the force required.
A guillotine shear is a shearing machine that can shear or cut various materials with a guillotine design. The word “guillotine” is associated with a blade that drops along a vertical track. This type of machine was primarily used in familiar history as a method of execution, particularly in the French Revolution, but the modern guillotine shear cutter is a tool used to form and shape products for a market.
The Press brake is ubiquitous and can be found in all sheet metal fabrication workshops. These machines are available in different sizes to handle sheets of various sizes and thicknesses. At one end of the spectrum, you have the simple single roller, vice mounted device for short and small pieces. It can work on sheets of 1.6 mm thickness and in some cases up to 2.5 mm. Then you have the slightly larger, truly press brake type but mini 300 mm sheet metal folder for sheets up to 1.5mm thickness.
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