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work materials are critical factors. “The mantra I try to impart to fi eld reps and customers is that you have to look at tools in terms of versatility vs. being application specifi c,” he said. “If you are looking for versatility, use a tool like our H600 that you can switch back and forth between jobs with different materials. We also have different grades and geometries that allow you to machine the whole ISO materials group. But we also have application- specifi c tools for processes where you are trying to squeeze out every bit of effi ciency. For example, our FFQ4 is more effi cient for shearing ISO M and ISO S materials due to radial and axial positioning. It’s not that the H600 can’t do it, but the FFQ4 does it better.” Pollock agreed that different materi-


als require different approaches. “At Walter, we have three types of high- feed mills. A positive insert geometry with three cutting edges cuts smoothly and cleanly without generating much additional heat, so it’s perfect for soft materials or stainless steels. We also have a high-feed mill with negative geometry with six cutting edges on the insert. Because it’s negative, the insert has a much stronger cutting edge, but it generates more heat and cutting force and is better suited for abrasive materials such as low-carbon alloy steels and cast irons. Our third style uses a four-index positive insert that can be used in different milling bodies.”


New High-Feed Technology As in other areas of machining,


recent advances in tooling technology are making HFM more productive and more effi cient. Seco Tools’ most recent HFM advancement is the High Feed 6, a free-cutting double-sided insert. “It cuts like a tool with a positive axial rake but gives the economy of a double-sided insert,” said Martin. “This tool can help


customers cut costs in machines where feed rate or horse- power is a constraint.” While the basic features of high-feed cutters remain the same, tool substrates, coating technologies and grinding


The basis for production


effi ciency. Made in Germany. Pallet Handling and Storage-System PHS – The fl exible automation for machining centers


Machining fixtured parts in a single setup? Batches and volumes vary? Need flexibility to mix parts or introduce new parts? Need an automation solution for a variety of machine tools of different make, new or used?


Our PHS can improve your machine utilization and enable lights-out operation


Complete flexibility in hardware and software Three platforms, payloads 500 - 6500 kg Front access for manual operation Retrofit? No problem!


Hall 13, Stand B76


Liebherr Automation Systems Co. 1465 Woodland Drive Saline, Michigan 48176-1259 Phone.: +1 734 429 7225


E-mail: info.lgt@liebherr.com www.liebherr.com


The Group August 2017 | AdvancedManufacturing.org 53


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