metal-cutting machine tool
41Milling machine — For the machine used in road construction, see Asphalt milling machine. Not to be confused with mill (grinding). Example of a bridge type CNC vertical milling center …
42Fabrication of structural steel by plasma and laser cutting — Fabrication of dimensional (non flat) structural steel elements has historically been performed by sequential operations involving sawing, drilling and high temperature flame cutting to remove material. Each of these operations is performed on… …
43Laser cutting — process on a sheet of steel. CAD (top) and stainless steel laser cut part (bottom) Laser cutting is a technology that uses a laser to cut materials, an …
44File (tool) — A file (or hand file) is a hand tool used to shape material by cutting. A file typically takes the form of a hardened steel bar, mostly covered with a series of sharp, parallel ridges or teeth . Most files have a narrow, pointed tang at one end… …
45milling machine — a machine tool for rotating a cutter (milling cutter) to produce plane or formed surfaces on a workpiece, usually by moving the work past the cutter. Also called miller. [1875 80] * * * Machine tool that rotates a circular tool with numerous… …
46Power tool — A power tool is a tool powered by an electric motor, a compressed air motor, or a gasoline engine. Power tools are classified as either stationary or portable, where portable means handheld. They are used in industry, in construction, and around… …
47Screw machine — Screw Screw (skr[udd]), n. [OE. scrue, OF. escroue, escroe, female screw, F. [ e]crou, L. scrobis a ditch, trench, in LL., the hole made by swine in rooting; cf. D. schroef a screw, G. schraube, Icel. skr[=u]fa.] 1. A cylinder, or a cylindrical… …
48band tool — noun : a machine tool having an endless belt (often of metal) that contains cutting elements (as for sawing, shaping, or finishing materials) …
49planer — /play neuhr/, n. 1. Carpentry. a power machine for removing the rough or excess surface from a board. 2. Metalworking. a machine for cutting flat surfaces, having a cutting tool supported by an overhead frame beneath which the work slides back… …
50Punch (tool) — For punches used in punch presses, see Punching. A punch is a hard metal rod with a shaped tip at one end and a blunt butt end at the other, which is usually struck by a hammer. Punches are used to drive objects, such as nails, or to form an… …
