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Some blades cut through the material while others crush the material against a hard roll. Those are similar to knives. The cutting blades can be set to a desired width. Some machines have many blades and can produce a number of output rolls at once. The slit material is rewound on paper, plastic or metal cores on the exit side of the machine.
The typical pizza cutter has a wheel-shaped blade that is attached to a handle. The original design has been modified over the years to include different sizes, blades, handles, and uses. [ 1 ] [ 2 ] The typical pizza cutter is not limited to cutting pizza but also for a variety of other tasks such as cutting dough or chopping herbs.
A whiteboard (also known by marker board, dry-erase board, dry-wipe board, and pen-board) is a glossy, usually white surface for making non-permanent markings. Whiteboards are analogous to blackboards, but with a smoother surface allowing for rapid marking and erasing of markings on their surface. The popularity of whiteboards increased rapidly ...
In printing, the doctor blade (from ductor blade) [1] removes the excess ink from the smooth non-engraved portions of the anilox roll and the land areas of the cell walls. [2] Doctor blades are also used in other printing and coating processes, such as flexo and pad printing for the same function.
The Yankee cylinder can be equipped with a doctor blade and sprayed with adhesives to make the paper stick. Creping is done by the Yankee's doctor blade scraping the dry paper off the cylinder surface thereby crêping the paper. The crinkle (crêping) is controlled by the strength of the adhesive, the geometry of the doctor blade, the speed ...
A tracing wheel, also known as a pattern wheel, pounce wheel, and dart wheel, is an instrument with multiple teeth on a wheel attached to a handle. The teeth can be either serrated or smooth. It is used to transfer markings from sewing patterns onto fabric with or without the use of tracing paper, [1] and can be used to make slotted perforations.
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