Name: Liaoning Super Group Construction Group Co., Ltd.
Super group hardware accessories store：
Doors and windows, stretch bending and pressboard workshop：
Address: middle section of South outer ring of Dashiqiao
Super group titanium Jinmen window explain what stretch bending is.
Super group titanium Jinmen window to explain what is stretch bending. Stretch bending is the stamping process of bending sheet metal, pipe and profile into a certain curvature, shape and size of the workpiece. Stretch bending is widely used in the manufacture of high pressure vessels, boiler drums, boiler tubes, steel plates and ribs of the hull, various utensils, instrumentation components and cabinet inserts.
When the material is stretched and bent, the stress state of each part in the deformation zone is different. The middle part of the cross section is not called a neutral layer. Tensile stress is produced by tensile stress outside the neutral layer. The compressive stress is produced by the compression of metal under the neutral layer. Because the stress and strain directions of the metals on both sides of the neutral layer are opposite, when the load is unloaded, the elastic deformation recovery directions of the metals on both sides of the neutral layer are opposite, resulting in different degrees of elastic recovery. Although the tension bending deformation is only limited to the local area of the material, the elastic recovery will affect the accuracy of the bending parts. There are many factors affecting springback, but these factors are difficult to control. The precision of stretch-bending parts caused by springback is always the key to the production of stretch-bending.