Using additive manufacturing (AM), Sandvik Coromant Uses AM To Create Lightweight Milling Cutter CoroMill 390, a lightweight milling cutter that helps minimise vibration and improve security during machining with long overhang.
“When designing our new lightweight CoroMill 390, material has been tactically removed to create the optimal cutter design for minimising mass,” explained Magnus Engdahl, product application manager at Sandvik Coromant. “This is called topological optimisation and it makes the cutter more compact and significantly lighter than a conventional version, thus helping machine shops to boost the productivity of their long-overhang milling operations. Moreover, a shorter distance between the damper in the adaptor and the cutting edge improves performance and process security.”
The Sandvik Coromant CoroMill 390 can perform long-reach face milling, deep shoulder and side milling, cavity milling, and slot milling. The tool is available in 40mm (arbor 16 coupling) and 50mm (arbor 22 coupling) diameter variants. Three or four inserts (size 11) can be specified to suit the application, and differential pitch and internal coolant are provided on all cutters.
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