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An annular cutter (also called a core drill, core cutter, broach cutter, trepanning drill, hole saw, or cup-type cutter) is a form of core drill used to create holes in metal. An annular cutter, named after the annulus shape , cuts only a groove at the periphery of the hole and leaves a solid core or slug at the center.
In 2001, Morse launched the Master Cobalt line of Reciprocating saw blades. In 2020, Morse launched the Jawbreaker bandsaw blade, designed to cut superalloys and other very hard-to-cut materials. Most band saw blades create the kerf by bending the teeth side to side, which results in premature tooth wear. With this new blade, the kerf is ...
The coefficient of thermal expansion of cemented tungsten carbide is found to vary with the amount of cobalt used as a metal binder. For 5.9% cobalt samples, a coefficient of 4.4 μm/m·K was measured, whereas 13% cobalt samples have a coefficient of around 5.0 μm/m·K.
The saw blade for this type of saw enters vertically into the material. These saws are often used as layer saws, whereby a multitude of tubes, profiles, or bars can be simultaneously cut horizontally. In 1974, the first carbide saw with a vertical slide was developed by Arno Willemeit, the co-inventor of the Braunschweig tooth geometry. [5]
Cold saws use either a solid high-speed steel (HSS) [3] or tungsten carbide-tipped, resharpenable circular saw blade. [4] They are equipped with an electric motor and often a gear reduction unit [5] to reduce the saw blade's rotational speed while maintaining constant torque. This allows the HSS saw blade to feed at a constant rate with a very ...
Jalen Brunson had 31 points and made two clutch free throws with 8.6 seconds left, and the New York Knicks held on to beat the shorthanded Charlotte Hornets 99-98 to improve to 3-0 in NBA Cup play ...
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