The classification of stamping dies(2)
In last article, we learned about the classification of carbide stamping dies according to the nature of the process. In this article, we continue to understand the classification of stamping dies according to the degree of process combination and the processing method of products.
According to the degree of process combination, the stamping dies can be divided into four categories: single process dies, compound dies, progressive dies and transfer dies.
1, Single worka die: A die that completes only one stamping process in one stroke of the press.
2, Compound die: A die that has only one work station and completes two or more stamping processes at the same time at the same work station during one stroke of the press.
3, Progressive die (also called continuous die): A die that has two or more stations in the feeding direction of the blank and completes two or more stamping processes at different stations one by one in one stroke of the press.
4, Transfer die: It combines the characteristics of single process die and progressive die, and uses robotic transfer system to realize rapid in-die transfer of products, which can greatly improve the production efficiency of products, reduce the production cost of products, save material cost, and have stable and reliable quality.
According to the different processing methods of the products, the carbide punching dies can be divided into five categories, such as punching and shearing dies, bending tools, drawing dies, forming dies and compression dies.
1, punching and shearing die: is to shear role to complete the work, commonly used forms are shearing punching die, undercut punching die, punching punching die, trimming punching die, whole edge punching die, pulling hole punching die and punching and cutting die.
2, bending die: is the flat embryo bent into an angle shape depending on the shape of the parts, precision and production volume, is a variety of different forms of die, such as ordinary bending die, cam bending die, rolled edge die, arc bending die, bending punching die and twist punching die.
3, Drawing mould: Draw mould is to make the flat embryo into a seamless container with bottom.
4, Forming die: It is a kind of local deformation method to change the shape of the embryo, in the form of convex forming die, rolled edge forming die, neck shrink forming die, hole flange forming die, round edge forming die.
5, Compression die: It uses strong pressure to make the metal embryo flow and deform into the desired shape.
The above is the common classification of carbide punching dies. Regardless of the classification, when choosing carbide stamping dies, you should pay attention to the selection of the product material.
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