A plate bending machine is used for forming metals like steel plate, carbon steel plate, stainless plate forming, under the force of 3 or 4 rolls together processing, the final cylinder, roll formed. This machine consists of 3 roll plate bending machines and 4 roll plate bending machines. 3 roll plate bending machine usually are used for heavy duty plate forming, while 4 roll plate bending machines are mainly use in the light plate forming.
Plate bending machine is like a roll bender, which is a mechanical jig having three rollers used to form a metal bar into a circular arc. The rollers freely rotate about three parallel axes, which are arranged with uniform horizontal spacing. The two outer rollers have the same fixed vertical height and make contact with the underside of the bar to be formed. The middle roller has an adjustable height and makes contact with the topside of the bar.
The bar to be shaped is assumed to have a uniform cross-section, but not necessarily rectangular, as long as there are no overhanging contours, i.e. positive draft. Such bars are often formed by extrusion. The bar is suspended between the rollers. The end rollers support the bottom-side of the bar and have a matching contour (inverse shape) to it so as to maintain the cross-sectional shape. Likewise, the middle roller is forced against the topside of the bar and has a matching contour to it.
This kind of metalworking process is called bending. It can produces a V-shape, U-shape, or channel shape along a straight axis in ductile materials, most commonly sheet metal. Commonly used equipment include box and pan brakes, brake presses, and other specialized machine presses. Typical products that are made like this are boxes such as electrical enclosures and rectangular ductwork.
Thank you for sharing this article.
I really like bending metal...tubing is my thing, round, square, even rectangular tubing...that's what I really like to bend!
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