A straightening press, also known as a straightening machine or a hydraulic straightening press, is a mechanical device used to straighten and reshape various types of materials, primarily metal. It is commonly used in industries such as manufacturing, fabrication, metalworking, and automotive repair.

The main purpose of a straightening press is to remove or reduce deformations, bends, twists, or warping in metal components or materials. It exerts controlled pressure on the workpiece, allowing it to be reshaped and brought back to its original form or a desired shape. The press applies force along the length or width of the material, depending on the type of deformation that needs to be corrected.

The machine consists of a sturdy frame or bed with hydraulic cylinders, which are responsible for applying pressure. The workpiece is placed between two adjustable platens or dies that can be moved closer together or farther apart. The press applies force gradually, allowing the material to be manipulated without causing further damage.

Straightening presses are versatile and can handle a wide range of materials, including steel, aluminum, copper, and alloys. They are utilized to straighten various components such as metal sheets, plates, bars, shafts, tubes, beams, and other structural elements. Industries commonly employing straightening presses include metal fabrication shops, steel mills, automobile manufacturing plants, and aerospace facilities.

By using a straightening press, manufacturers can correct distortions in metal parts, ensuring they meet specified tolerances and dimensions. This helps enhance the structural integrity, functionality, and aesthetics of the finished products.