Milling Cutters Offer a Better Way to Machine Aluminum


Designed for machining thin-walled aluminum automotive parts without burring, scratching or chipping, the patent-pending M5F90 face-milling cutter is being released by Sandvik Coromant. The two-in-one M5F90 cutter features an innovative design concept that allows roughing and finishing in a single operation, delivering shorter and more efficient machining strategies.


The M5F90 cutter body diameter (25–80 mm, 0.98–3.15 inch) carries brazed PCD inserts that, thanks to the application of new production processes, need no adjustment and enable high feed rates without vibration. As a result, the potential time and cost savings available to users are considerable. In addition, no scratches, burrs or breakages are produced on the machined part due to a combination of cutting angles, insert shape, edge preparation and cutting parameters. 


Notably, roughing and finishing operations are facilitated by a single tool, saving on inventory costs. In terms of roughing, the tool works as a conventional cutter, with all rough-cutting edges positioned on the same diameter and height. The M5F90 is able to machine up to a 4 mm (0.157 inch) depth of cut. With regards to finishing, this portion of the tool consists of radial and axial stepped cutting edges. Such a configuration ensures burr-free milling and outstanding surface finish on thin-walled aluminum parts while enabling a close pitch in order to avoid cutting vibration. 


Although dedicated to thin-wall milling operations on aluminum parts, such as gearbox casings and housings, the M5F90 is also able to machine large engagement material for applications across the automotive segment.


The M5F90 completes the Sandvik Coromant milling cutter offer for aluminum automotive parts, complementing the M5B90, M5C90, CoroMill Century/590, M5Q90, and M5R90 tooling solutions. 

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