Chatter-Free End Mills Improve Throughput And Finish

Chatterfree end mills from Iscar are designed to eliminate chatter problems in milling operations. The cutters' variable-pitch flute pattern eliminates harmonic vibration, the main source of chatter.

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Chatterfree end mills from Iscar are designed to eliminate chatter problems in milling operations. The cutters' variable-pitch flute pattern eliminates harmonic vibration, the main source of chatter. This enables faster cutting and finer finish in rough or finish slotting, shoulder milling and cavity milling. In addition, users report longer edge life because of reduced chatter, the company says.

The chatter-free feature is available in both solid carbide end mills and tips in the company's Multi-Master replaceable tip line. Diameter range is 6 mm to 20 mm (0.250" to 0.750") for the solid carbide end mills and 8 to 20 mm (0.312" to 0.750") for Multi-Master tips.

These end mills are especially useful for low-power machines with ISO40 or BT40 adaptations. The solid carbide version can handle full-slot machining of as large as 2 × diameter. Depth capability on the replaceable-tip version is more limited since the active length is shorter.

In full slotting applications on alloy steel, the solid carbide version easily handles 0.03 to 0.05 feed rates at 180 to 220 mm/min surface speed and 2 × diameter depth of cut.