![]() ![]() The original Bridgeport milling machines were manufactured in Bridgeport, Connecticut, in 1938. Bridgeport Invents the Modern Manual Milling Machine The Bridgeport mills in your machine shop may have also included Acu-Rite 2-axis digital readouts (DRO), power feed on the X-axis, chrome ways, one-shot lubrication, and maybe even a power drawbar. They were popular in metalworking shops throughout the world and for good reasons.Īlthough you might have worked on a Series I with an M head, if you were lucky, your machine shop’s Bridgeport mills had J heads with step pulleys or, better yet, 2J heads with vari-speed and quill feed. ![]() If you were a machinist a generation or so ago, you likely worked in a machine shop that owned several of these iconic knee mills. Years before the advent of the CNC machine tool, there was the Bridgeport milling machine. MX Electric Edge Finder and Z Axis Touch Plateħ Lathes & CNC Milling Machines Built in Irwindale, California USA.CNC 1440 Lathe Benchtop Turning Center Catalogue.– CNC SUPRA® Vertical Knee Mill 9 x 49 or 10 x 54.
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