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Benchtop drill press (left) and floor-standing drill press (right) A drill press is a drilling machine suitable for quick and easy drilling of straight holes, countersinking or counterboring that are perpendicular to both directions of a table surface. In comparison, it is more difficult and less repeatable to drill perpendicularly with a hand ...
A drill press Drill press (then called a boring machine) boring wooden reels for winding barbed wire, 1917. A drill press (also known as a pedestal drill, pillar drill, or bench drill) is a style of drill that may be mounted on a stand or bolted to the floor or workbench. Portable models are made, some including a magnetic base.
Drilling is a cutting process where a drill bit is spun to cut a hole of circular cross-section in solid materials. The drill bit is usually a rotary cutting tool, often multi-point. The bit is pressed against the work-piece and rotated at rates from hundreds to thousands of revolutions per minute.
Drilling operations are those in which holes are produced or refined by bringing a rotating cutting tool (often using a drill bit) with cutting edges on the lower face and edge, that is brought into contact axially with the workpiece. Drilling operations can be performed on a lathe, mill or drill press, or even by hand.
The bench press or chest press is a weight training exercise where a person presses a weight upwards while lying horizontally on a weight training bench. The bench press is a compound movement , with the primary muscles involved being the pectoralis major , the anterior deltoids , and the triceps brachii .
Thus presses are usually included in the economic definition of machine tools. For example, this is the breadth of definition used by Max Holland in his history of Burgmaster and Houdaille , [ 4 ] which is also a history of the machine tool industry in general from the 1940s through the 1980s; he was reflecting the sense of the term used by ...