Bending is an important part of sheet metal machining. It is to deform the flat metal sheet through pressure to obtain parts with certain angles and shapes. Products that can be made by bending technology include: Brackets, monitor backplanes, metal frames, body panels, metal structural parts in the car, computer cases, electrical control cabinets, warehouse shelves, instrument casings, etc.

Chongchang Mould has advanced CNC bending machines, which are characterized by high-precision, high-stability and high-efficiency. Whether it is thin or thick plates, whether it is simple right-angle bending or complex curve bending, we can easily create products with precise dimensions and perfect shapes for you.

Our professional team has carefully studied and optimized the setting of bending parameters. We are well aware that the accuracy of each bending angle and the flatness of each bending line directly affect the quality and performance of the product. Therefore, we always treat every project with a rigorous attitude and professional spirit, so that we can ensure that every product can meet your expectations. Whether you are in the fields of automotive manufacturing, electronic equipment, medical equipment or architectural decoration, as long as you need sheet metal bending services, we will serve you wholeheartedly.

Air bending: This uses two dies, an upper die (also called a punch) and a bottom die. The bottom die has a V-shaped opening, and the punch forces the metal sheet into the bottom die. Thus air bending is not as precise as other methods.

Bottoming: In this method, the metal sheet is pressed onto the face of the die by the punch. The metal then takes up the final angle, the same as the angle of the die. The optimum width of the V-die opening is 6 times the material thickness for a sheet of about 3 mm thick, and 12 times the material thickness for a 12 mm thick sheet.

Folding: A clamp beam is used to hold the longer edge of the metal. The beam is free to rise, and bends the sheet around the bending contour. Both negative and positive bending angles are possible.

Erasing: The long edge of the sheet is clamped, and the tool moves up and down, bending the metal around the bending contour. Erasing is relatively faster than folding, but has a higher tendency to produce scratches or damage the sheet.

Spinning bending: The upper die is made of a cylinder that can rotate freely. The final shape of the bend is cut into it, along with a matching bottom die. As the roller contacts the paper, it rotates. This process causes the sheet to bend.

Mesh bend: An offset bend，two opposing bends are each less than 90 degrees, a neutral web separates the opposing bends.