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The original corporation was founded in Bridgeport, Connecticut, and started selling its machines in 1938.It became known in the following decades for small and medium-sized vertical milling machines, with a form of quill equipped multiple-speed vertical milling head with a ram-on-turret mounting over a knee-and-column base.
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]
In 1938 they began selling whole milling machines. The company had now established itself as a machine tool builder named Bridgeport Machines, Inc. After getting into this business line, the company started to become very successful. [3] In 1968, the company was sold to Textron for US$101 million, about $850 million in 2014 values. Upon this ...
Roe (1916) says that "Up to that time boring machines were relied on only for large and rough work." [5] Bullard Sr.'s son, Edward Payson Bullard Jr. (1872–1953), continued the family machine tool business and brought the turret principle to the vertical boring mill, making it a vertical turret lathe. [6]
The D-bit (after Friedrich Deckel, [1] the brand of the original manufacturer) grinder is a tool bit grinder designed to produce single-lip cutters for pantograph milling machines. Pantographs are a variety of milling machine used to create cavities for the dies used in the molding process ; they are largely obsolete and replaced by CNC ...
Bridgeport (machine tool brand), a brand of milling machines and machining centers; BridgePort Brewing Company, based in Portland, Oregon; Bridgeport Municipal Airport, in Wise County, Texas; Bridgeport Music, a publishing company that owns the rights to some George Clinton and Funkadelic recordings; Bridgeport rig, a type of quick-draw gun holster
The Moore family firm, the Moore Special Tool Company, independently invented the jig borer (contemporaneously with its Swiss invention), and Moore's monograph is a seminal classic of the principles of machine tool design and construction that yield the highest possible accuracy and precision in machine tools (second only to that of ...
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