perforating punch
21Blanking and piercing — Blanking versus piercing Blanking and piercing are shearing processes in which a punch and die are used to modify webs. The tooling and processes are the same between the two, only the terminology is different: in blanking the punched out piece… …
22Hendrick Manufacturing Company — Infobox Company company name = Hendrick Manufacturing Company company type = Private foundation = 1876 location city = flagicon|USA Carbondale, PA location country = USA key people = Pansy L Drake, Chairman of the Board area served =… …
23Piercing (metalworking) — Piercing is a shearing process where a punch and die are used to create a hole in sheet metal or a plate. The process and machinery are usually the same as that used in blanking, except that the piece being punched out is scrap in the piercing… …
24pounce — [15] Pounce was originally a noun, denoting the ‘claw of a bird of prey’. It is thought it may have come from puncheon ‘stamping or perforating tool’, which was also abbreviated to punch ‘stamping or perforating tool’ and is probably related to… …
25pounce — [15] Pounce was originally a noun, denoting the ‘claw of a bird of prey’. It is thought it may have come from puncheon ‘stamping or perforating tool’, which was also abbreviated to punch ‘stamping or perforating tool’ and is probably related to… …
26Perforation — For perforations in an oil well, see Perforation (oil well). For perforation in medicine and surgery, see Organ perforation. A perforation is a small hole in a thin material or web. There is usually more than one perforation in an organized… …
27Punching — Metals Punching in metal fabrication is the process of using a machine to press a shape through a sheet of metal and into a die to create the desired shape in the metal. This is most commonly done by use of a turret , a computer numerical… …
28Player piano — The player piano is a self playing piano, containing a pneumatic mechanism that plays on the piano action pre programmed music via perforated paper rolls. The rise of the player piano grew with the rise of the mass produced piano in the house and …
29printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …
30Terminal ballistics — Terminal ballistics, a sub field of ballistics, is the study of the behavior of a projectile when it hits its target. It is often referred to as stopping power when dealing with human or other living targets. Terminal ballistics is as relevant… …
