Modern Machine Shop

DEC 2018

Modern Machine Shop is focused on all aspects of metalworking technology - Providing the new product technologies; process solutions; supplier listings; business management; networking; and event information that companies need to be competitive.

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MMS DECEMBER 2018 90 JEDD COLE | EDITOR | Tooling and Workholding Brazed Ceramic End Mills Rough Nickel-Based HRSAs Sandvik Coromant is releasing two series of ceramic end mills for nickel-based alloys: The CoroMill 316 and the CoroMill Plura. These brazed ceramic end mills are said to offer a more productive means of roughing ISO S materials compared to carbide milling cutters. These end mills share the CC6060 grade designed for nickel alloy machining. The negative geometry provides a tough cutting edge. The six-flute geometry enables highly productive side milling operations, while the four-flute geometry eases face milling, according to the company. The choice between the two depends on machine conditions and the application. Those seeking solutions for difficult-to-reach applications or the extra flexibility of the exchangeable-head system can opt for the CoroMill 316, while those requiring better stability are advised to select the CoroMill Plura. According to Sandvik Coromant, ceramic tools retain their hardness at the high temperatures associated with milling heat-resistant superalloys (HRSAs). As a result, 20 to 30 times the speed can be achieved in comparison to solid-carbide tools. A stable setup is advised without the use of coolant, as coolant would simply burn at such high temperatures. Beyond shoulder milling and face milling, the new end mills can be used for pocket milling, helical interpolation, ramping and slot milling. | Sandvik Coromant Inc. | 201-794-5000 High-Penetration Insert Designed for Structural Steel Allied Machine & Engineering has released an addition to the Gen3sys XT Pro line of high-penetration inserts designed specifically for beam and plate production in the structural-steel market. With a combination of substrate and multilayer coating, the insert is engineered to with- stand heat generated while drilling in structural- steel beams or plates in high-production facilities. Optimized in their existing structural-steel holders, Allied's high-tech structural-steel insert is said to improve chip formation and reduce vibrations, creating a higher-quality hole. The composition of its carbide grade, geometry and high-temperature coating are designed to run at or beyond current rates from original equipment manu- facturers while offering extended tool life. The insert's simplified setup and extended tool life reduces change- over and increases throughput. The company says the insert is designed to improve run rates, reduce tool failures and increase capacity. | Allied Machine & Engineering Corp. | 800-321-5537

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