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NMTBNational Machine Tool Builders (now known as Association for Manufacturing Technology)
NMTBNational Medical Test Bed (US DoD)
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References in periodicals archive ?
Lyndex's presetters designed to meet any and all presetting needs with interchangeable spindles (CT, BT, NMTB, DIN, ISO, HSK, and VDI), a variety of measurement systems (Provision vision system, optical projector, and dial indicators), and various measuring lengths and diameters from 11" to 32".
The Tooling Systems Division has long recognized the need for more accurate tapers with regard to precision and balance and has been traverse grinding NMTB and CAT-V tapers to the AT3 grade for more than 10 years.
Mr Piper describes the HSK proposal as a "logical progression of technology" not unlike when CAT and NMTB tapers replaced the older Morse and Jacobs tapers which had replaced cylindrical shanks with clamp screws.
The Command/URMA Micro-Max System has additional features including cutting edge that can be rotated 360 deg, making it easy to turn tip away from the bore surface so that it doesn't leave a retraction groove after machining; coolant feeds through sealed passages that vent in proper position for cooling and lubricating cutting edge; tool shanks in CT, BT, HPMC, and NMTB designs.
Rigiflex is a flexible boring system available in CAT V-flange, BT, and NMTB tapers.