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Bridgeport stands as a legendary name in the realm of vertical milling machines and machining centers, boasting a long standing legacy that dates back to 1938 under the name of Bridgeport Machines Inc.. Originally sold in 1938 to Textron Inc., this iconic brand embarked on a new chapter when it joined forces with Hardinge, Inc. in 2004.
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 ...
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 ...
Indexing head. Indexing head and tailstock set up on a milling machine's table. An indexing head, also known as a dividing head or spiral head, [1] is a specialized tool that allows a workpiece to be circularly indexed; that is, easily and precisely rotated to preset angles or circular divisions. Indexing heads are usually used on the tables of ...
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 class of machine tools. [2]
Jig borer. The jig borer is a type of machine tool invented at the end of World War I to enable the quick and precise location of hole centers. It was invented independently in Switzerland and the United States. [1] It resembles a specialized kind of milling machine that provides tool and die makers with a higher degree of positioning precision ...
R8 collets were developed by Bridgeport Machines, Inc. for use in milling machines. Unusually, R8 collets fit into the machine taper itself (i.e. there is no separate chuck) and tools with integral R8 taper can also be directly fitted. R8 was developed to allow rapid tool changes and requires an exact match between collet and tool shank diameter.
www .hardinge .com. Hardinge, Inc. is a multi-national machine tool builder with global headquarters in Berwyn, PA, USA. It began operation in 1890. Hardinge is best known for its lathes, both non-CNC and CNC . Hardinge Inc. machine tool brands now include Hardinge, Bridgeport, Kellenberger, Usach, Hauser, Jones & Shipman, Voumard, and Tschudin ...
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