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Milling & Turning Tools.

Cutting tool and tooling system specialist Sandvik Coromant has developed tools for those who are involved in milling as well as those performing turning, with the CoroMill 745 face milling cutter and the CoroTurn Prime multi-task and axial type tool holders to help machine shops implement the new PrimeTurning methodology, which enables turning in all directions.

The milling cutter features a 25[degrees] entering angle for productivity gains when milling steel and cast iron workpieces. A high-feed version facilitates high metal removal rates (MRR) in applications with depths of cut up to 2.8 mm (0.110 inch)--and even when running at high MRR, there is said to be no compromise to surface finish. The CoroMill 745 was developed for roughing to semi-finishing operations and can be used in large batch production of parts including valves and engine blocks. Matts Westin, product manager, said, "An important benefit of the new cutter is low cost per edge from its double-sided, 14-edge insert design. In fact, purchasing departments will be pleased to learn that tool inventory costs are reduced because the CoroMill 745 with a 25[degrees] entering angle uses the same inserts as its counterpart cutter with a 42[degrees] entering angle."

As for the CoroTurn tool holders, they are designed for use on multi-task turn-mill centers and vertical turning lathes. For example, there is the Prime Twin tool holder that is specifically designed for multitasking; it can handle inserts for both roughing and finishing. Says Hakan Ericksson, product manager, General Turning, "Modern multi-task machines are intended for the complete machining of components but typically have a slow tool changing time, often around 15 to 20 seconds. As a result, the new Twin holder will save customers a considerable amount of time when changing tools."

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Publication:Automotive Design & Production
Date:Nov 1, 2017
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