Cumi’s crankshaft grinding wheels are made using special, high performance bond systems in an unique manufacturing process, tailored to suit each market segment. This manufacturing technology coupled with the application engineering expertise offers, makes Cumi’s crankshaft grinding wheels highly cost-effective. Besides optimizing grinding efficiencies, these wheels also provide a surface finish as 4 microns.

Cumi also makes dual grade, sandwich wheels with harder sides and softer centres, ideal for grinding crankshafts of differential hardness in diameter and fillet radius. These provide surface speeds up to 60 mps.