b'We want to use as many flutes aspossible because that helps with the finish.of the design coming from the cus- clamp something, you are going toconstants of kinetic and dynamic fric-tomer specs. induce runout. tion, McCarel said. All these things During subsequent evaluations ofSo the purpose of creating a one- go into the design of our reamers.the reamers in use, however, com- piece reaming tool is to minimizeThis database and the mathemat-pany personnel may suggest designrunout. ical models based on its information improvements to these customers. The downside, however, is thatallow the company to make predic-its very costly to make tools thistions that can help stabilize reamers Improved Reaming way, Kiiffner said. in operation. In some cases, he said Although reaming technologyAnother development impact- predictions are counterintuitive.hasnt changed a lot in recent years,ing reamers is the work being doneYou might think, I have radi-there have been developments thatby Star Cutter on the harmonics ofcal vibration at (a certain cutting reaming tool users should be awaretools in use. The objective is to re- speed), so I should slow it down, of. One is the increasing popular- duce the vibration of tools as theyMcCarel said. Sometimes, though, ity of monoblock tools. Kiiffner saiddo their job. you actually need to speed the monoblock refers to the fact thatWe have people in the field col- tool up. You find these zones of the tools are built on the toolholder,lecting data, and weve started as- calm in the mathematical model, so no clamping is involved. semblingadatabasebasedonand thats where you want your tool Typically, he said, when youdifferent materials, coatings andto be.CTETheres a ShopBot for every size project.ShopBot PRSalpha ATC ShopBot tools deliver Available in traditionalprofessional speed, power, shop-size and larger. and accuracy at a fraction of the cost of big-iron CNC machines. Our tools are exceptional for an endlessShopBot Desktop MAX ATCvariety of cutting, drilling,36 x 24 work areaand carving operationswith the ability to do so in an array of materials: wood, MDF, plastics, foams, vinyl, and non-ferrous metals, like aluminum.See our full line of tools at ShopBotTools.com. Then give us a call at 888-680-4466. Well find the tool that works best for your needs.ShopBot tools are designed, built, and supported in the USA.ctemag.com/cteguide.com27Reaming.indd 27 8/17/21 3:05 PM'