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A hole punch, also known as hole puncher, or paper puncher, is an office tool that is used to create holes in sheets of paper, often for the purpose of collecting the sheets in a binder or folder (such collected sheets are called loose leaves). A hole punch can also refer to similar tools for other materials, such as leather, cloth, or sheets ...
When the body is pressed to the trip point, a taper in the body forces the block sideways until the hole in the block is aligned with the hole through the hammer, and the hammer is released to strike the punch. This mechanism is used in heavy duty punches as it is less likely to bind on reset than the Sweet mechanism, it doesn't tend to wear ...
In order to bind documents with double loop wire, a binding machine and a wire closer are required. Smaller organizations will often choose a small manual wire binding machine that offers a manual hole punch and a built-in wire closer. Medium-sized users will often choose a wire binding machine with an electric punch and built-in wire closer.
Usually, the punch and die are close to the same dimensions, creating a sheared edge when they meet. A punch that is significantly smaller than the die can be used to produce an extruded hole where the punch displaces the punched material to the sides, forming a tube perpendicular to the punched sheet. [2] [3]
A punch is a tool used to indent or create a hole through a hard surface. They usually consist of a hard metal rod with a narrow tip at one end and a broad flat "butt" at the other. When used, the narrower end is pointed against a target surface and the broad end is struck with a hammer or mallet , causing the blunt force of the blow to be ...
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