Summary

Press working tools involve variety of presses. The presses may be categorized as per to the source of power; method of actuation of slides, type of frame, number of slides, and incorporating the sort of the work. The basics of press working are discussed in this unit. This unit as well discusses several types of dies. Progressive die performs two or more operations in one stroke of a ram at different stages. In the case of combination dies, cutting action is combined along with forming. Cutting of metal strip occur because of shearing in blanking and piercing operations.