皮带冲孔机
皮带冲压机

Punch \Punch\, n. [Abbrev. fr. puncheon.]
1. A tool, usually of steel, variously shaped at one end for
different uses, and either solid, for stamping or for
perforating holes in metallic plates and other substances,
or hollow and sharpedged, for cutting out blanks, as for
buttons, steel pens, jewelry, and the like; a die.

2. (Pile Driving) An extension piece applied to the top of a
pile; a dolly.

3. A prop, as for the roof of a mine.

{Bell punch}. See under {Bell}.

{Belt punch} (Mach.), a punch, or punch pliers, for making
holes for lacings in the ends of driving belts.

{Punch press}. See {Punching machine}, under {Punch}, v. i.


{Punch pliers}, pliers having a tubular, sharp-edged steel
punch attached to one of the jaws, for perforating
leather, paper, and the like.