Memory MachinesVersion en ligne Identify machines par Gilberto Marquez belt sander Changes the size or shape of a piece of material, usually sheet metal, by applying pressure to a die in which the workpiece is held. Device for producing holes in hard surfaces welding Tool for cutting solid materials to prescribed lenghts or shapes. Most of them take the form of a thin metal strip or disk with teeth. Machining process of using rotary cutters to remove material from a workpiece by advancing or feeding the cutter into the workpiece at a certain direction. Machine used for smoothing, polishing or cleaning a surface, as of wood, plastic or metal. drill press lathe grinder Shapes pieces of wood or metal by holding and turning them against a fixed cutting tool Technique used for joining metallic parts, usually through the application of heat. saw Uses a rotating abrasive wheel to change the shape or dimensions of a hard, usually metallic, body. milling punch press