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Sandvik: Universal Parting and Grooving Concept with Improved Performance

Sandvik Coromant is further expanding its versatile tool concept CoroCut 2 with the new parting and grooving geometry—GL and the updated parting geometry -CR. These offer advantages such as improved chip control in long-chipping materials and a strong cutting edge for parting off at high feed rates.

Sandvik Coromant has further developed its successful CoroCut 1-2 parting and grooving concept, known for its high performance and security in a variety of applications. By increasing productivity and overall efficiency, CoroCut 2 maximizes performance while minimizing energy consumption and waste. This moderate upgrade makes a big difference for manufacturing companies machining hard-to-cut steels and for parting operations where a strong cutting edge is required.

With the most uncompromising chipbreaker of the CoroCut 2 concept, the new -GL geometry is a valuable addition for companies that need better chip control with challenging ISO P components, especially with low-carbon steels, pure steels, and cold-forged parts for the automotive industry.

It is no secret that good chip control helps increase efficiency and avoid costly machine downtime, but not every indexable insert is suitable for this type of material. The -GL geometry was developed to solve this problem.

Jenny Claus, Product Manager Parting and Grooving at Sandvik Coromant

The -GL geometry offers process security and paves the way for more automation. Jenny Claus clarifies: "Shorter chips result in less entanglement and fewer stops, minimizing the need for manual interventions and enabling more automated processes."

The -CR geometry is the first choice for parting-off with higher feeds or parting-off with interrupted cuts and is suitable for a wide range of materials. With its strong cutting edge and wiper design, it increases productivity and ensures excellent workpiece quality. "All our parting-off geometries are equipped with the wiper design. This allows workpieces to be machined with high feeds without compromising surface finish or chip control," explains Fredrik Selin, Product Application Specialist at Sandvik Coromant. "A simple rule of thumb is: double the feed, same surface finish. Same feed, double surface quality."

In parting and grooving, stability is crucial. The biggest challenge is to secure the indexable insert in such a way that movement is minimized. The -GL and -CR geometries are equipped with the proven guide rail profile. This ensures more precise positioning of the indexable insert and reduces movement to increase stability, especially when lateral forces occur. Furthermore, both geometries are manufactured with the patented FlashLight technology, which produces a higher quality and more consistent cutting edge, leading to superior and predictable tool life.