b'facturers catalog and select from aindexable-insert drill, and now alarge tools, such as the 80mm-dia. vast array of geometries. More im- shop may need only one tool. When 600mm-long drills we use at Sa-portantly, when a user develops ait is dull, a user simply rotates or re- vannah (Georgia) Machinery Works, machining process, a manufacturerplaces the insert without removingindexable tools are the only thing can offer several geometries forthe tool from the machine and fre- available because it does not make testing, making the developmentquently without resetting the ma- economic sense to buy such a large process much quicker and easier. chine. The result is less downtime,HSS drill.Indexable-insert tools come stan- reduced cost of tool ownership and dard in many shapes and sizes sofewer opportunities for mistakesThe Effects of Insertsusers can perform almost any ma- when resetting the tool. For veryIndexabletoolshavedriven chining operation with off-the-shelf tools. Inserts with diamond, tri-angle, round, square and thread shapesarecommonandeasily sourced anywhere in the industrial- ITS NEVER TOO LATE TOized world. The worst case is next-day delivery on a truck. REDUCE YOUR PART COSTS!On the other hand, HSS turning tools, also known as tool bits, can be ground to any shape imaginable.Get started!And brazed tools can be made into any shape that a carbide tip allows, so they may be slightly more univer-sal. However, someone must ma-chine these tools before they can be applied, which is undesirable in to-days manufacturing environment.Inserts and indexable tools have a distinct cost advantage over other types of cutting tools. Drills and endmills are a good example. Typ-ically, tools that are larger than 1" in diameter are expensive. Produc-tion-oriented shops might need- 38%several large HSS drills to ensure thatproductiondoesnotstop when tools become dull, because sharpening is done outside the vma-werbeagentur.demachine tool and often sent off-site. But change the HSS drill for an about the author ChristopherPRODUCTIVITY THREAD WHIRLING Tate is engi- START WITH SCHWANOGneering man-ager of advancedDOWNLOAD APP NOW:manufacturingSCHWANOG PRODUCTIVITYengineering andNow on Available on the machining atPRECISE, QUICK = EFFICIENT!the Savannah, Georgia, facility of Mitsubishi Hitachi Power Systems Americas Inc., LakeSchwanog LLC Elgin | Illinois Mary, Florida. Contact him [email protected] [email protected]/cteguide.com65SW_AZ_Ausenwirbeln_DCI_WEP_0119_CTE_half_page_114x190mm_rz.indd 1 10.01.19 08:34Inserts.indd 65 6/13/19 4:12 PM'