Brown & Sharpe
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Brown & Sharpe is a division of Hexagon AB, a Swedish multinational corporation focused mainly on metrological tools and technology. During the 19th and 20th centuries, Brown & Sharpe was one of the b
Joseph R. Brown, 1886 engraving.
Browns & Sharpe Shops, Providence RI, 1896
Employees leaving Brown and Sharpe Manufacturing Company, December 1940. Photo by Jack Delano.
Machine taper
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A machine taper is a system for securing cutting tools, workholders or toolholders in the spindle of a machine tool or power tool. A male member of conical form fits into the female socket, which has
Brown & Sharpe
…The American wire gauge (AWG) standards for wire; The Brown & Sharpe taper in machine tool spindle tapers; and The Brown & Sharpe worm threadform for worm gears…
Drill chucks mounted by Jacobs tapers onto arbors with Morse tapers for the spindle.
Spindle nose on a lathe headstock. The small female taper is a Morse taper to take a lathe center or a tool such as a twist drill. The large male taper takes a lathe chuck, which is retained by the large nut.
Example of Self-Holding Taper; Brown & Sharpe (BS) #7 (left) and three BS9 Shank Milling Cutters (Right) without Provision for Drawbar
Morse taper No. 2 (MT2) with a Tang