When it comes to bending metal, two distinct processes vie for attention: press braking and roll-forming. To achieve the optimal balance of cost, time, and effectiveness for your metal fabrication project, it’s crucial to carefully consider the strengths and limitations of each method. Dive into the following key factors differentiating press braking from roll-forming.
Firstly, let’s examine how each machine operates. Press braking entails utilizing a presse plieuse to securely hold the metal along an axis, with a thin blade known as the punch exerting pressure to bend the metal against a frame called the die. Different punches and dies can yield varying shapes. To create rounder bends, the metal sheet remains unexposed to the die, while direct contact between the metal and the frame forms sharper edges, resulting in a crease.
On the other hand, roll-forming relies on a series of rollers arranged in pairs, with one resting atop the other. The machine propels the metal through the rollers in a continuous motion. Each roller possesses a unique shape, and as they press against one another, they gradually bend and shape the metal.
The shape and size of the metal you intend to bend significantly impact the choice between these two methods. Press braking excels with individual sheets of metal, and the width of the press brake limits the sheet size and bend length it can accommodate.
Roll-forming, on the other hand, triumphs when handling longer lengths of metal. It works effortlessly with a continuous coil of metal rather than individual sheets. After the rolling process, the pieces can be cut to the desired dimensions, and there are no limitations on the length of the bend.
Project volume is another crucial consideration when weighing press braking against roll-forming. Press braking is generally more cost-effective and is an excellent choice for small- to medium-volume projects. Conversely, roll-forming’s efficiency shines in large-volume endeavors. The continuous bending process allows for swift progress, but adjusting the bends requires recalibrating the rollers. Consequently, as project volume increases, the cost per piece decreases, thanks to reduced labor and setup expenses.
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When it’s time to make your selection, turn to the reliable expertise of KRRASS. At KRRASS machine tool, we take pride in providing top-notch metal forming equipment. With a wealth of experience totaling over 24 years in the architectural field, we apply our extensive knowledge to deliver your products punctually and of the highest quality. Whether you’re a commercial roofer, siding contractor, mason, glazier, garage door manufacturer, business owner, or residential roofer, you can trust KRRASS to meet your metal fabrication needs.
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