The solid stripper must be mounted to the lower die steel or other supporting tool s on the lower die shoe. Since this type of operation becomes difficult to carry out if the material width is firmly guided, it is common to guide the material along the width direction only on one side. The reason that there are a large number of types of stripper guides among the standard parts is probably the result of pursuing parts to suit the quality expected from the punches and dies. Thin materials can be particularly troublesome due to their tendency to distort, buckle or jam in a solid stripper. A blank holder is a part that is used in dies for drawing. When the die opens, the stripper returns to its original position, stripping the material from the punch Fig.
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Tooling by Design
There is also the purpose of stripping off the material from the punch after forming. The material moves above the stripper plate. They provide on-contact force and require no preloading. All the roles of the guide indicated above are included in this method. The main advantages of the solid stripper are its simple construction and low cost. Unauthorized reproduction is prohibited by all applicable laws and is subject to criminal prosecution. In the times when it was not possible to carry out high precision plate machining, after mating the die and the punch cutting edges, the bush is fixed using Devcon adhesive.
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It is used for pressing the material and for preventing the generation of wrinkles. Clearances in the solid stripper channel allow the sheetmetal to shift slightly, which may require wider strips to ensure complete cuts are made in the cutting stations. In specific terms, in the case of forming with fixed length materials and when the product is large and falls down after being ejected from the top die above on to the material on the bottom die, the product on the material is blown so that it falls outside the die and can be collected. The purpose is to prevent deformation of the material used for forming. A steel plate is machined with a channel on one side. Stripper plates are typically made of cold-rolled steel that is not hardened.
Description:A force is required to remove the sheetmetal from around the punch steel in a cutting die. A solid stripper, sometimes referred to as a bridge stripper, is the simplest and least expensive stripper plate design. The solid stripper must be mounted to the lower die steel or other supporting tool s on the lower die shoe. Keep in mind, maximum spring force is realized at maximum compression. The form shown in Fig.