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1. Definition: It refers to a die that bends blanks or semi-finished parts into a certain shape. The structure of the bending die is similar to that of the general punching die. It is divided into upper and lower parts. It consists of convex and concave dies, positioning, unloading, guides and fasteners, etc. However, the bending mold also has its own characteristics, such as convex and concave dies. In addition to the general movements, the die sometimes also needs to perform swinging, rotating and other movements. The structural form of the bending die should be selected according to the shape of the bending part, accuracy requirements and production batch size.
Design points:
(1) The positioning of the blank should be accurate and reliable, and should be placed as horizontally as possible. The holes on the blank can also be used for positioning. When bending multiple times, it is best to use the same positioning reference.
(2) The mold structure must prevent the blank from shifting during the stamping deformation process, and avoid material thinning and cross-section distortion. Symmetrical bending and corrective bending can be considered.
(3) The insertion of blanks and the removal of parts must be convenient, reliable and safe. Meet the requirements of simple operation.
(4) Under the conditions of ensuring dimensional stability and quality assurance of the bent parts, the mold structure should be as simple and practical as possible to reduce mold processing costs.
(5) The mold is easy to debug and repair. For materials with high elasticity, attention must be paid to the convex and concave mold trial, the possibility of adjustment, and the strength and stiffness requirements.
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Main Product:
Assembly Parts for Rail Car,
Structure Parts of Rail Car,
Metal Mount,
Junction Box ,
Metal Mounting Strip,
Metal Hanging Plate
