A punch, also known as a punch press, is a forming process technology. There are many kinds of it. Due to different structural principles, the price and processing effect will change in response, but they all have the same structure. With the rapid development of the stamping industry, competition in all walks of life has increased, and it is applied to various industries, such as aviation, education, auto parts, diving equipment and so on. In order to give you a clearer understanding of this technology, the following will introduce you to the structure, types and materials of the punch.