Design & fabrication of punch & die for sheet metal pressing

Abstract

An electric wire cutting machine is a technology dealing with the application of mechatronics, and computers to produce goods and services. Automation is broadly classified into manufacturing automation, and services automation. The company mainly manufactures screw caps, glass bottles, aluminum containers & canisters, two-toned caps for spray bottles, attar bottle caps, R.O.P.P caps, tin containers, tin caps, tin container components, rings, and collars, etc for making all these components blanking, coining, curling, cut off, extruding, morning, piercing, shaving, trimming, slagging and compound operations are used. Punching is done by a punch press which changes the shape of metal to form and cut it. As metal is passed through the press, it is cut and formed to pre-set shapes. During sheet metal forming, two different parts may be used. One part is called the punch. It performs the stretching and bending or blanking operation, while the other part is called the die block. It securely clamps the workpiece and provides similar stretching bending or blanking operations. A workpiece may go through several stages using different tools and operations to obtain the final form. Sometimes a shearing operation may come after the main forming is done and sometimes additional crimping or rolling operation.