punch

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Related to punching: punching shear, punching bags

punch

(pŭnch),
An instrument for making a hole or indentation in some solid material or for driving out a foreign body in such material.
[L. pungo, pp. punctus, to stick, to punch]

punch

An instrument for making a small circular hole in material or tissue, esp. the skin.
References in periodicals archive ?
Punching combinations (single, 2, 3, and 4 punches) were also recorded as well as the numbers of missing punches.
Testing the dynamic punching resistance of corrugated cardboard--Puncture Test
Cleaning methods included: (i) punch swabbed with Virkon/ethanol; (ii) punching a clean card; and (iii) no cleaning (N = 124 for each method).
"With 13 turret presses operating continuously and dozens of jobs going through the department at one time, you really need to know what your tools are doing performance-wise to keep those presses punching" says Graff.
"Work tasks like punching and stapling often put stress on peoples' hands, wrists and arms," says senior product manager and manager of punch products David Parkhill.
Dela Rosa, however, did not provide further details about Duterte punching a wall at the Palace./ac
The laser/punch combination represents a proven technology and integration of punching, forming, tapping, and laser cutting in a single unit for the most varied sheet metal working operations.
Punching tools are used for separating the pharmaceutical stoppers produced in the molded pad.
A word on the theory and the philosophy behind the die: The theory is that since slug pulling is the condition where the slug returns to the top of the sheet during the return portion of the punching cycle, and can then interfere with subsequent punching cycles causing damage to the piece part and the tooling, then the best counter to this condition is for the slug to pass through the die and on down into the slug chute with each cycle.
Custom Air-Plenums (Bean Station, TN), a world-leader in the manufacture of air handling systems for schools, trucks, and commercial buildings, fabricates stainless steel panels and requires high speed punching of different hole shapes and sizes for positioning air flow openings, wiring, and rivets.
This may sound familiar: When punching thick materials such as stainless and galvanized steel, a manufacturer often has to run the punch press at greatly reduced operating speeds in order to get high quality parts.
Though he's no longer as busy as he used to, sometimes throwing over a thousand punches just like what he did in toppling Antonio Margarito six years ago, Pacquiao remains a punching machine.