b'TiAlN or Allied Machines proprie- Although one East Coast manu- land-based customer switched to tary AM200 or AM300. The advan- facturer running straight oil as cool- a water-soluble coolant, it achieved tage of AM200, he noted, is that theant didnt have problems with flam- longer tool life than when the com-coating achieves the same level ofmability, the company definitelypany originally had started using lubricity to overcome built-up edgewasnt achieving optimum results.straight oil, he added. Tool life is as TiAlN but at a lower temperature. Oil is necessary for lubricity and re- much longer and more stable, and Craine added that Allied Machineduction in friction, but water is alsotheir chiller isnt working as hard as offers polished inserts with AM300important as it pulls remaining heatit once was when they used oil and coating to minimize the chance of ti- away from the cutting zone. struggled to manage the dissipa-tanium sticking to the coating. Once Vanderbecks New Eng- tion of the heat.But without an ample supply of coolant, even the most heat-resis-tant coating will struggle. The more coolant you can get, the better, Craine said, adding that it must be a water-soluble solution instead of oil because titanium is flammable. For that same reason he also recom- Electric Spindles mends that the coolant be deliveredfor Machining through the tool. Ive drilled a one-times-diameter hole with flood cool- Centersant, but that is as deep as I would go in most circumstances. HES510: 50,000 RPM MAXHES810: 80,000 RPM MAXULTRA HIGH SPEED & SUPER PRECISION Transforms CNC Machines into High Speed Machining Centers Ultra-Precision Ceramic Bearings for High Speed Performance Integral Motor and Spindle ConstructionThe combination of Emergency Break-Away Connectora rigid machine tool Air-Cooling Systemand a strong spindle Small Diameter Drilling and Millingconnection is ideal for Large Variety of Tapers Availablecutting titanium. BeingBTNTITHSK Aable to precisely machine titanium at maximum removal rates requires close attention to the machine tool, the tool/workpiece interface andwww.NSKAmericaCorp.comthe spindle connection 1800 Global Parkway, Hoffman Estates, IL 60192the handshake betweenPhone: (847) 843-7664|Toll Free: (800) 585-4675 | Fax: (847) 843-7622the machine tool and [email protected] Seikictemag.com/cteguide.com43Titanium.indd 43 6/17/19 10:30 AM'