#machine tool
- Reamer — A multi-edged cutting tool, featuring multiple longitudinal or helical cutting edges, used in metalworking for the fine finishing and exact calibration of holes previously made with a drill bit. This instrument ensures high dimensional precision (at a micron level) and superior inner surface smoothness, being indispensable in building engines, bearing housings, and aerospace components.
- Deep drawing machine — A specialized technical term designating a machine tool, industrial equipment, or mechanical device used specifically to execute deep drawing operations on sheet metal. This machine utilizes high-power hydraulic or mechanical pressing systems to guide the punch inside the die, ensuring rapid and uniform plastic deformation of flat blanks in mass production.