TECHNOLOGY TRENDS
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Suited for machining cobalt chromium and titanium implants, round milling inserts can increase feed rates and cutting speeds.
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Suited for medical implant machining operations, round milling inserts reportedly generate lower temperatures than counterpart cutting tools of more traditional design. Available in several grades, the inserts enable users to increase feed rates and cutting speeds for optimum productivity. Sandvik Coromant Co. (Sandviken, Sweden; www.coromant.sandvik.com) developed the innovative circular insert design to impart a strong cutting edge to the tool and make it highly resistant to notch wear. Also, applying the inserts with a depth of cut below the radius helps reduce chip thickness and maximize the length of the cutting edge. Applications include turning hip joints and machining cobalt chromium and titanium implants.
The round inserts are compatible with the supplier’s CoroTurn 107 boring bars, facilitating achievement of the correct centre height of the cutting edge. For a complete solution, the company offers a range of toolholders with positive D-style inserts that are suitable for finishing and spherical turning. The toolholders can be used also in internal turning operations where accessibility is limited.
