b'High speeds require higher horsepowerand the ability to generate torque at higher rpm.long term because it is more eco- mechanism that affects insert per- Microscopically, he said, many nomical and safer since it does notformance and tool life. coatings typically put peaks and require high temperatures to con- Pilger observes that the technol- valleys in the flutes. By polishing nect the tools to the holders. ogy has gone beyond coating todrill flutes after coating, we can re-Pilger recommends a hydraulicpost-coating operations. duce friction and heat, extending chuck with a sleeve for solid-carbide drills over eight times diameter.The hydraulic reduces runout to within 2.5 microns, he said, and the hydraulic fluid also acts as a vibration dampener. Weve also found that tool life improves up to 25%. TOOLING THAT DELIVERS Few areas affecting tooling have advanced as fast as coatings.Typically formulated for wearOPTIMAL PERFORMANCEand heat resistance, coatings must take into account both the substrate on which they are deposited, as wellWe are passionate about crafting best-in-class solutions with as the workpiece material, Hobbscompetitive delivery times across a wide variety of precision said. When first developed, coat- applications. If youre looking for a new approach to your particular ing typically consisted of a singlemachining challenge, give us a call at (248) 474-8200.material, such as TiN or TiAlN, but now better results can be obtainedInnovative3D Printed Tools bycombiningseveralcoatings. Thanks to nanotechnology, we areAchieve designs with complex details and effective able to apply coatings that are de- chip evacuation. signed to be compressed together in ways not previously achieved.n Monoblock tool bodies and chipn 30% reduction in tool weightWhen two or more of these aredeflectors from Star SU/Neher with torsional stiffness compressed together, its possiblen Optimized coolant hole andof traditional toolingto obtain the highly efficient resultcooling channel locations cann Suited for coolant or MQL that is specific not just to the ap- improve tool life by 30% or more applicationsplication but also for the user at-tempting to understand the wear contributorsAllied Machine & Engineering Corp.330-343-4283www.alliedmachine.comSandvik Coromant Co.800-726-3845www.sandvik.coromant.com/usYG-1 Tool (USA) Co. MORE INFORMATION Star SU LLC(248) 474-8200800-765-8665 DEEP HOLE DRILLS | CARBIDE DRILLS & REAMERS | PCD TOOLING star-su.comwww.yg1usa.comctemag.com/cteguide.com23Holemaking.indd 23 8/16/22 11:49 AM'