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Counterboring Insert Geometry delivers optimal precision.

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Counterboring Insert Geometry delivers optimal precision.
Counterboring Insert Geometry delivers optimal precision.
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January 17, 2013 - Designed for use with Walter BoringMEDIUM system for 20–153 mm drilled holes and Walter BoringMAXI system for 150–640 mm drilled holes, E47 Counterboring Insert Geometry provides optimized chip breaking and removal properties that result from universal chip groove, positive rake angle, and strong cutting edge with 0° chamfer. Depending on shape of insert and size, depths of cut from 2.5–6.3 mm are possible. Inserts are aimed at material groups ISO P and K as well as ISO M and ISO S.

Walter Introduces E47, the Versatile New Counterboring Geometry that Delivers High Performance and Economy


(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

Walter USA, Inc.
N22 W23855 Ridgeview Pkwy. W.
Waukesha, WI, 53188
USA





Press release date: January 15, 2013

With its superior chip breaking and chip removal properties, the E47 insert geometry delivers superior precision and process reliability.

Waukesha, WI – Walter has introduced E47, the versatile new counterboring insert geometry designed for use with the Walter BoringMEDIUM and Walter BoringMAXI tooling systems. Key to E47’s high precision, process reliability and longer tool life is its excellent chip breaking and removal properties that result from its universal chip groove, positive rake angle, and strong cutting edge with zero degree chamfer. Depending on the shape of the insert and its size, depths of cut from 2.5 mm up to 6.3 mm are no problem.

Chip forming and removal are important in any metalcutting operation but are particularly essential in counterboring, where excellent chip breaking is essential for ensuring the precise cylindricity and accurately formed steps required by subsequent finish machining operations. Though indexable inserts not specifically designed for this operation are often used when counterboring, precision and process reliability tend to suffer. For example, their curved cutting edges can quickly lead to shape deformations when step drilling. However, the straight cutting edge of the new E47 geometry produces precise dimensional accuracy even when step drilling.

Tooling costs are also reduced by the versatility of the new inserts. Aimed mainly at material groups ISO P and K, it also produces superior results with ISO M, ISO S, and with the PVD grades. In addition, though designed primarily for use with the Walter BoringMEDIUM system for drilled holes of 20 to 153 mm and the Walter BoringMAXI tooling system for drilled holes of 150 to 640 mm, the E47 indexable inserts can also be used in turning operations. This wide range of materials and applications allows users to reduce the number of insert geometries in their inventory, thus reducing costs.

Shapes CC, WC and SC are available in a variety of sizes and with different corner radii. As for grades, users can choose from WSM20 and WSM30 for ISO S, M and P applications, as well as WPP20 for ISO P and K applications.

Walter offers an extensive line up of cutting tools for milling, drilling, turning, boring and specialized tooling for unique applications through its competence brands Walter Valenite, Walter Titex and Walter Prototyp. As well as multi-level service programs through its Walter Multiply brand. Headquartered in Waukesha, Wisconsin the company has a strong network of distributors and field engineers across North America. The Walter name is synonymous with productivity, thanks to more than 80 years of developing cutting tools and inserts that set new standards in production. The company combines over 75 years of U.S.-based tooling production with long-standing traditions of quality and innovation.
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