Coolant-Through Thread Mills Allow Tool to Retain Hardness

Scientific Cutting Tool’s coolant-through thread mills are designed to efficiently use coolant-through technology that allows the tool to retain its hardness, and thereby extending its life, the company says.

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Scientific Cutting Tool’s coolant-through thread mills are designed to efficiently use coolant-through technology that allows the tool to retain its hardness, and thereby extending its life, the company says. When cutting and drilling, the cutting tool material interface can reach temperatures in excess of 2,000°F. When a tool gets that hot, chips can stick to it and damage the cutting edge unless they are cleared away quickly. Lowering the temperature at the cutting tool material interface by even a couple hundred degrees can extend a tool’s life by as much as 5 times.

For this reason, more machine tools are being designed with high pressure coolant through the spindle. Unlike most coolant-through tools, which have one hole down the center of the tool and flutes out to the side, the company’s coolant-through thread mills have holes down the shank to each flute, allowing coolant to reach the cutting zone efficiently without weakening the integrity of the tool. This allows the production of coolant-through thread mills of any size, even micro-tools, and these tools can be used for both blind and through holes.