Japan's Mitsubishi Heavy Industries has developed a new Super Dry III tool film coating technology. The coating is said to significantly extend tool life for dry cutting without the use of cutting oil. The company also introduced a Super Dry III coated hob that can extend tool life by up to 80% when machined at a cutting speed of 250 m/min compared to the previous generation Super Dry II coated hob; When machining at a cutting speed of 300 m/min, the tool life can be doubled. This new coating increases the oxidation temperature of the tool to 1300 ° C, which is 100 ° C higher than the Super Dry II coating.
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