GC1220 was developed for machining cast iron under the most difficult conditions. It offers exceptional resistance to abrasive wear and thermal cracking, ensuring stable and safe machining – both in wet and dry conditions.
The continuous development of Zertivo, Sandvik Coromant's unique Physical Vapour Deposition (PVD) production technology, enhances the properties of GC1220. The advanced nano-multi-layer coating, a combination of TiAlN and TiSiN, uniquely combines edge and wear resistance. Conventional grades typically required a compromise where one of the properties was compromised.
"The revolutionary coating technology of GC1220 offers exceptional performance, safety, predictability, and sustainability. It is the first choice for all milling applications in spheroidal graphite – from light roughing to finishing under wet and dry conditions," emphasizes Wayne Mason, Global Product Application Manager for grades at Sandvik Coromant.
"This new grade for milling cast iron is based on the proven innovation that is also used in our successful steel milling grade GC1230. Thanks to its advanced PVD coating and robust performance under demanding conditions, GC1220 will set entirely new standards in the machining of cast iron," Mason continues.
The GC1220 indexable inserts are designed for longer and more predictable tool life. This reduces downtime and increases productivity. The high reliability enables a more efficient and sustainable manufacturing process and helps companies achieve their performance and sustainability goals.
GC1220 is optimized for light roughing to finishing operations and is ideally suited for a variety of applications – from general machining to more demanding tasks such as milling right-angle shoulders, component interruptions, under difficult surface conditions, or with complex tool paths. GC1220 is the first choice for spheroidal graphite (K3) and can also be used for tempered and gray cast iron (K1/K2).
The grade offers exceptional performance in wet and dry machining and is suitable for all industry segments as well as various component properties.
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