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Hollow grind: A knife blade ground to create a characteristic concave, beveled cutting edge. This is characteristic of straight razors, used for shaving, and yields a very sharp but weak edge, which requires stropping for maintenance. Flat grind: The blade tapers all the way from the spine to the edge from both sides. A lot of metal is removed ...
A knife most simply has either a rectangular or wedge-shaped cross-section (sabre-grind v. flat-grind, but may also have concave indentations or hollows, whose purpose is to reduce adhesion of the food to the blade, so producing a cleaner and easier cut. This is widely found in Japanese knives, and in the West is particularly found in meat ...
Many modern replica blades are not made with any distal taper, resulting in a blade that, when wielded, will feel unresponsive and heavy. Profile taper refers to narrowing upon the edges of the flat of the blade. Blades with a more gradual taper are meant for cutting, whereas blades with an acute taper are usually meant for thrusting.
polishing may also be achieved by buffing a blade: instead of moving the knife against a flat leather strop loaded with fine abrasive, the knife is held still and a powered circular cloth wheel is moved against the knife. Named by tools, the same three stages are: grinding (on a grinding wheel) or whetting (on a whetstone)
A hollow grind produces a thinner blade than the flat grind because it removes more material from the blade (hollows or thins the blade more). The hollow-ground blade flexes more easily and provides more feedback on the resistance the blade meets while cutting the hair, which is an indicator of blade sharpness. [13] [48] Hollow-ground blades ...
The Nepali kukri has a terminology of its own, including the "aunlo bal" (finger of strength/force/energy), a relatively deep and narrow fuller near the spine of the blade, which runs (at most) between the handle and the corner of the blade, and the "chirra", which may refer either to shallow fullers in the belly of the blade or a hollow grind ...
Pulling back: this is bending the blades back, usually with a special device called a "pull back", so that the shearer can take more wool with each 'blow'. Grinding: This puts a hollow grind on the blade to making sharpening faster and easier. Most shearers will also grind the points sharper so the blades enter the wool more easily.
The Bendo has a short, single-edged, heavy blade. The blade is narrow at the hilt and becomes significantly wider after a few centimeters. The back of the blade is straight, the blade is bulbous and has a deep hollow grind that runs just below the back. The handle is usually made of wood and is decoratively carved and slightly curved on the pommel.