A drawing die composed of cemented carbide and gray iron

Abstract

The invention provides a drawing die made from a hard alloy and gray iron. The drawing die comprises an upper die body and a lower die body which are oppositely arranged; a male die and / or a female die are / is arranged on the upper die body and / or the lower die body; and a hard alloy part is arranged at a fillet of the male die and / or the female die. Therefore, the hard alloy part is arranged at the fillet of the male die and / or the female die, so that a requirement on the performance of a material of a male die and / or the female die body is lowered, for example, the male die and / or the female die body adopts the gray iron and the like; therefore, the material use cost of the drawing die is reduced, and the machining and assembling time is shortened; and the machining efficiency of the die is improved.

Description

technical field [0001] The invention relates to the field of molds, in particular to a drawing mold composed of hard alloy and gray iron. Background technique [0002] Stamping die is a special process equipment for processing metal or non-metallic materials into parts or semi-finished products in cold stamping processing. The mold installed on the press is used to apply pressure to the material to cause separation or plastic deformation, so as to obtain A method of press-working the desired part. [0003] According to the nature of the process, the stamping die can be divided into: (1) Drawing die, which is a die that obtains a stable spatial shape through plastic deformation of the flat blank through the joint action of the punch, blank holder, and die. (2) Trimming mold, a mold that separates materials along closed or open contours. (3) The forming mold is a mold that directly copies the rough or semi-finished workpiece according to the shape of the convex and concave m...

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Problems solved by technology

This is costly and takes a long time to machine

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