Preparing to rough a deep cavity on Redoe Mold Ltdrsquos extrarigid Toshiba boring mill equipped with advanced Ingersoll InnoFit extension and Ingersoll button cutter  Despite cavity depths up to 18 inches the InnoFit extension provides enough rigidity to hold 0001in tolerances at 300400 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

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.

Neighborly Advice for More Productive Tooling

Three Canadian mold-making specialists dispel some myths about tool selection and application that frequently limit machine shop productivity. Myths of mold milling Switch to extra rigid shank extension Avoid large milling cutters? Chips as big as your thumb

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:

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