The evolution of insert geometries

The development of new alloy materials and the introduction of new materials to the production floor, together with the constant drive for high productivity and machining efficiency, called for speeding up the evolution of smart and sophisticated tools.

In scientific terms, indexable inserts for metal cutting have gone through a full evolutionary scale, incorporating geometry modification and redesigned shapes.

In the middle of the 20th century, the International Standard Organization published and issued an ISO standard, detailing the specific dimensions and features that have to be complied with when manufacturing indexable inserts. This ISO standard aimed to guarantee the compatibility between indexable inserts and toolholders; even if produced by different manufacturers.

The ISO standard was a common practice for machine operators, setup facilitators and foremen on the production floor, but the new revolution brought tools designed like never seen before, with impressive geometries that met the industry's rigorous demands for tools that work faster while maintaining long edge life.

The drive for more productivity and Fast Metal Removal (FMR) has instigated the ongoing pursuit for sophisticated unusual cutting-edge geometry design that did not always conform to the ISO standard. One way to achieve these goals was to find a way for increasing cutting speeds and feeds in order to remove large amounts of material in as minimum a time possible.

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