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Cutting Tools New thread of productivity

Editor: Barbara Schulz

Walter extends the concept of its multiple-row thread milling cutters for producing shorter threads.

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The smooth cutting action and low deflection of the T2710 milling cutter is created by both the easy-cutting geometry and the variable internal coolant supply.
The smooth cutting action and low deflection of the T2710 milling cutter is created by both the easy-cutting geometry and the variable internal coolant supply.
(Source: Walter)

With the arrival of the new T2710 Series, Walter is now extending the concept of its multiple-row thread milling cutters for producing shorter threads. Thanks to small spaces between insert rows, the T2710 has been specially designed for highly productive processing of thread depths up to 1.5 x D, the company says. It adds that even with short thread depths, the simultaneous machining of several thread sections by the new T2710 Series reduces machining time. Productivity is further amplified by the highly wear-resistant thread milling inserts of the Walter WSM37S Tiger-tec Silver grade.

Increased productivity for short threads

Suitable for universal use, the rigid tool body incorporates multiple rows of indexable inserts developed specifically for thread milling. The tool body design has been optimised with minimum spaces between the insert rows to increase productivity levels when creating short threads. The tool body and inserts are suitable for threads with a nominal diameter that starts from 20mm and upwards with a thread pitch range from 1.5 to 6mm and for Imperial threads a TPI of 18 to 6. This gives the new Walter T2710 Series complete flexibility for threading both metric and Imperial threads regardless of pitch and angle.

To meet the complete needs of industry, Walter has introduced several new inserts for threads from M125 to UN 5 inch, inserts with a pitch range from 6 to 10 mm and 4 TPI as well as inserts with a 55-degree flank angle for BSP threads. The new additions add to the already available standard insert range that includes M24 to M125, UNC1 to UN5 and G1 to G3 1/2inch.

The 3-edge inserts incorporate a chip breaker groove and edge geometry that ensure a smooth cutting action with minimal cutting forces. This is said to permit high cutting speeds and feeds per tooth while simultaneously reducing the radius corrections. For unfavourable conditions, Walter offers the thread milling inserts with a D61 geometry that provides an ‘anti-vibration land’.

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