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2. Bridgeport (machine tool brand) - Wikipedia

   en.wikipedia.org/wiki/Bridgeport_(machine_tool...

   This results in increased belt and bearing life as well as consistent accuracy with no external cooling fans required, increasing rigidity and vibration dampening properties. Bridgeport Machines, Inc., is a machine tool builder founded in 1938 in the United States of America. [1] It manufactures Milling machines and Lathes.

3. Bullard Machine Tool Company - Wikipedia

   en.wikipedia.org/wiki/Bullard_Machine_Tool_Company

   Bullard Machine Tool Company. A Bullard CNC VTL. Bullard Mult-Au-Matic, a vertical, multispindle automatic lathe, 1914. [1] Memorial Day 1942 at Bullard. The Bullard Machine Tool Company was a large American machine tool builder. It specialized in vertical boring mills and was largely responsible for the development of the modern form of that ...

4. Milling (machining) - Wikipedia

   en.wikipedia.org/wiki/Milling_(machining)

   A 3-axis clone of a Bridgeport -style vertical milling machine. Milling is the process of machining using rotary cutters to remove material [1] by advancing a cutter into a workpiece. This may be done by varying directions [2] on one or several axes, cutter head speed, and pressure. [3] Milling covers a wide variety of different operations and ...

5. Machine taper - Wikipedia

   en.wikipedia.org/wiki/Machine_taper

   A machine taper is a system for securing cutting tools or toolholders in the spindle of a machine tool or power tool. A male member of conical form (that is, with a taper) fits into the female socket, which has a matching taper of equal angle. Almost all machine tool spindles, and many power tool spindles, have a taper as their primary method ...

6. History of numerical control - Wikipedia

   en.wikipedia.org/wiki/History_of_numerical_control

   History of numerical control. The history of numerical control (NC) began when the automation of machine tools first incorporated concepts of abstractly programmable logic, and it continues today with the ongoing evolution of computer numerical control (CNC) technology. The first NC machines were built in the 1940s and 1950s, based on existing ...

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   AOL latest headlines, entertainment, sports, articles for business, health and world news.