Abstract
As method for punching in oval shapes is not readily available, press tool for punching in oval shapes is required in various industries according to their applications. There are press tools for punching in circular shape, but when shapes other than circular shape are desired, they have to design according to dimensions required by industry. As application for oval shape punching differs from industry to industry because dimensions required by industries differ from each other. As some industries require more than one oval shaped hole that is to be done in single stroke for reducing the time required for production, there is need to design such press tool which can perform such operation. Hence to have fast production of required oval size holes, there is need to develop a press tool assembly which can make accurate oval holes on metal sheets. For designing such assembly, it is very necessary to study every aspect of existing design of press tool so that changes required can be easily define. Comparison of existing design with the proposed enables us to find correct way of design.
Highlights
Punching process is increasingly used in manufacture industry
As application for oval shape punching differs from industry to industry because dimensions required by industries differ from each other
As some industries require more than one oval shaped hole that is to be done in single stroke for reducing the time required for production, there is need to design such press tool which can perform such operation
Summary
Punching is among the most important sheet metal in manufacturing process in mass production of metal parts and components. The selection of a proper material for press tool components has become one of the important aspects of press tool design because long tool life has become a necessity for achieving higher productivity and reducing cost of sheet metal parts. The highly experience based stamping die design activities such as material selection of press tool components can be simplified by using knowledge base system or intelligent system approach. Development of such system can prove a landmark to ease the complexities involved in the process of material selection [5]. Bottom Plate: It gives the support to the assembly and guides the proper way of metal waste
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