Tungaloy's TungBore-Mini tool effectively evacuates chips in small bores

Tungaloy has expanded its multifunctional turning and boring capabilities by adding boring toolholders that accommodate its unique XOMU inserts of the TungBore-Mini line.

The tool line integrates the capabilities of drilling, OD, and ID turning tools. Its XOMU insert features a geometry incorporating a large inclination angle on the cutting edge that produces light cutting, compared with standard ISO positive turning inserts that are typically used for ID turning or boring operations. The insert and pocket have a dovetail interlocking design for improved insert clamping and stability.

The toolholder design ensures secure ID machining processes, providing an ample clearance between the tool and the hole surface through which chips are smoothly evacuated out of the small diameter bores. In addition, with Tungaloy’s angled screw fixation method, an engaged screw not only presses the insert against its primary support on the bottom of the insert, but also pulls the insert into the pocket wall. This allows a longer screw to be used providing strong insert retention and process security.

The new toolholders are available for minimum bore diameters of either 10 mm or 14 mm, with either a steel or carbide shank.

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