One of the most traditional ways of processing metals The press brake, also commonly known as a brake press, has been around for more than 100 years. Did you know that the first brake was invented in 1882? The machine, also referred to as the cornice brake during the nineteenth century America, was constructed using cast iron components that were custom-made which were affixed to pieces of oak. It was a manually operated leaf which required a piece sheet metal to be bent in straight lines. It was a lot of pressing work! You can learn more about the origins of the press brake by clicking here. Press brakes today are highly advanced machines that are operated by hydraulic systems and computer technology. These modern brakes efficiently bend metal plates and sheets easily, and supply various industries with complex and simple parts. Making the Press BrakeThe press brake works by making use of the punch or die to bend or cut metal into a variety of shapes and forms. The Cincinnati Proform brake at work in motion in the video above. Breathing is based on force (also known as tonnage). This is the amount of pressure that the punch is able to exert when it bends. The greater the tonnage and vice versa the more materials are able to be bent. The bending length is also a factor. It refers to the length at which sheet metal is able to bend. If your machine has a 14-foot bending length and the sheet is longer than 14 feet won't be able to be bent by the machine. For proper fabrication, the application and material thickness will dictate which machines are needed. These aspects are crucial because they determine the load limit of the press brake limit a limit calculated in tonnage per inch. Knowing the load limit and press power of every machine is vital since if the wrong amount or length is utilized, it could damage or destroy the machine. Check out this helpful article to learn more about press brake tonnage limitations. Types of Press Brakes Modern brakes for presses are more secure and require less effort than older models. Modern brakes have increased the speed, quality, and efficiency of bending metal. There are three types of modern brakes: hydraulic, manual, and CNC. These brakes are also known as sheet metal brakes. Manual brake presses are utilized to alter the angle and the bending dimensions for every cut. They are also used to mass produce set size bending dimensions. Hydraulic Press Brakes These brake presses use two hydraulic cylinders, which allow for better control and stable strokes. They are usually classified based on their motion, either up or down acting, with each style offering distinct advantages. CNC Press Brakes: These brakes are the most precise and adaptable. They utilize computer technology to boost the efficiency of their operation and improve control. When using CNC press brake presses, data such as bending angle and thickness of the plate, width and grade are entered into an electronic controller by a knowledgeable operator, and the brake handles the rest. Learn more about Boyd Metals' press brakes!
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