Punching

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punching [′pənch·iŋ]

(engineering)

A piece removed from a sheet of metal or other material by a punch press.

A method of extrusion, cold heading, hot forging, or stamping in a machine for which mating die sections determine the shape or contour of the work.

Punching

in metalworking, the final operation in producing a through hole in a billet by forging and stamping. In order to reduce the amount of scrap, the hole is marked by piercing before being punched. The punching of the connecting strip that remains is carried out using piercing tools (in forging) or a punch and die having sharp edges (in stamping).

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No references found			They were striking about them with their swords and with their left fists, punching every head they could reach. The Red Badge of Courage by Crane, Stephen View in context Wardle, each vying with the other in paying zealous and unremitting attentions to the old lady, crowded round her easy-chair, one holding her ear-trumpet, another an orange, and a third a smelling-bottle, while a fourth was busily engaged in patting and punching the pillows which were arranged for her support. The Posthumous Papers Of The Pickwick Club by Dickens, Charles View in context He neither slackened nor quickened his pace, but jogged forward merrily, whistling as he came, and beating time by punching holes in the dusty road with the stout pike-staff in his hand. Robin Hood by McSpadden, J. Walker View in context			Punalua Punan Punch Punch and Judy punch block Punch Card punch in punch line punch list punch out punch press punch radius Punch Tape Punch-Card Equipment punch-drunk punch-through punchbag punchball punchbowl punchcasting punched card punched louver punched work punched-plate screen puncheon Punching punching shear punctate punctual Punctuality punctuated equilibria punctuated evolution Punctuation punctuation bit Punctuation Marks punctum remotum Puncture puncture voltage puncture-sealing tire Punderson State Park pundit Pune pungent Punic Wars Punishment Punishment, Administrative Punites Punjab Punjabi Punjabi American Festival Punjabi language			punches into punches into punches lights out punches lights out punches lights out punches out punches out punches out punches out punches the clock punches the clock punches the clock punches the clock punches the time clock punches the time clock punches the time clock punches the time clock punches ticket punches ticket punches ticket punches ticket punches ticket punchier punchiest punchily Punchin Punchinello Punchinelloes Punchinellos punchiness Punching Punching a clock Punching a clock punching above weight punching above weight punching above weight punching above weight punching bag punching bags punching ball Punching in Punching in punching into punching into punching into punching into punching lights out punching lights out punching lights out Punching machine punching out punching out punching out punching out punching shear punching the clock punching the clock punching the clock punching the clock punching the time clock punching the time clock

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