Preparing to rough a deep cavity on Redoe Mold Ltd.’s extra-rigid Toshiba boring mill equipped with advanced Ingersoll Inno-Fit extension and Ingersoll button cutter. Despite cavity depths up to 18 inches, the Inno-Fit extension provides enough rigidity to hold 0.001-in. tolerances at 300-400 IPM feed rates. Redoe said the Ingersoll tooling package has literally doubled capacity of the new machine and enabled cavity rough milling to run unattended.
Many specialty machine shops, regardless of their experience or expertise, nevertheless subscribe to various ‘accepted standards’ that may not be, or may no longer be true. They may be myths. Experience at three alert Canadian mold shops may dispel some myths that sometimes limit the machining productivity of shops in the U.S., or anywhere. To be specific: Myth No. 1: In cavity milling, you must slow down for corners and long reaches. Myth No. 2: It’s better to populate a ...
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