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The high cobalt versions are very resistant to heat and thus excellent for reaming abrasive and/or work hardening materials such as titanium and stainless steel. Tungsten carbide More expensive than high-speed steels. Hardness up to HRC 92. Will outlast high-speed steels (usually by about 10:1) when reaming steel. Required to ream hardened ...
High-speed steel (HSS or HS) is a subset of tool steels, ... taps and reamers. 1.3343 is the equivalent numeric designation for M2 material identified in ISO 4957. ...
Rotary cutting tools include drill bits, countersinks and counterbores, taps and dies, reamers, and cold saw blades. Other cutting tools, such as bandsaw blades, hacksaw blades, and fly cutters, combine aspects of linear and rotary motion. The majority of these types of cutting tools are often made from HSS (High-Speed-Steel).
A black oxide coating provides heat resistance and lubricity, as well as corrosion resistance. The coating increases the life of high-speed steel bits. Titanium nitride (TiN) is a very hard metallic material that can be used to coat a high-speed steel bit (usually a twist bit), extending the cutting life by three or more times. Even after ...
Chamber reamers are typically made of high speed steel and require lubrication during the cutting operation. A chamber reamer, regardless of pilot design, will operate most efficiently at speed of 200 to 300 RPM, and feed rate just fast enough to avoid chatter. Chamber reamers are designed with flutes to collect and extract the cut material ...
Broaching is a machining process that uses a toothed tool, called a broach, to remove material. There are two main types of broaching: linear and rotary. In linear broaching, which is the more common process, the broach is run linearly against a surface of the workpiece to produce the cut. Linear broaches are used in a broaching machine, which ...
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