Expanded Grooving Inserts Launch New Grades and Geometries for Maximum Precision

The TungCut line offers two new grades for enhanced capacity in exotic materials and sharp-cornered inserts for lighter cutting and more precise grooving.


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Tungaloy TungCut expanded inserts and grades.

Photo Credit: Tungaloy

Tungaloy has added new grades and geometries to its multifunctional TungCut line for grooving and parting-off tools. TungCut offers a wide range of insert and toolholder variations that provide customers with maximum performance in OD/ID grooving, face grooving, groove turning and parting operations. With strong and reliable insert clamping, Tungaloy says its TungCut guarantees minimum tool chatter, while providing maximum precision and tool life during heavy-duty grooving such as groove turning.

Two new grades have been added to TungCut to enhance its capacity in exotic materials: the AH8005 insert grade, featuring strong coating adherence to its carbide substrate, is said to eliminate notch wear that typically occurs during the machining of heat-resistant superalloys (HRSAs). The grade boasts extraordinary wear resistance, providing long and predictable tool life. KS05F is a non-coated carbide grade, which Tungaloy says provides a good balance of wear resistance and fracture toughness, while eliminating built-up edge. The grade is ideal for productive groove machining of titanium alloys.

New geometries include DGS inserts with 0.05 mm and 0.10 mm (0.0002 in. and 0.0004 in.) corner radii. These sharp-cornered inserts allow lighter cutting and precision grooving/parting-off of small parts advantageous in Swiss machine applications. In addition, new STR insert features a full-radius, single-ended geometry for profiling. Unlike double-ended inserts, a single-ended STR is said to eliminate the concern of the other cutting end interfering with the workpiece during machining, enabling close machining of deeper areas of the workpiece. A total of 85 items have been added to the TungCut line.