b'Thread Without Dread section that lessens the chance oftries designed specifically to move tool breakage, he noted. chips out of a through hole or blind A lot of the time, he said, a realhole. The companys through-hole high quality. small tap is going to be a form tap. tap geometry pushes titanium chips But Gillilan added that titaniumTherighttapdesignalsoforward so they exit the hole on the tapping shortens the life of evenmakesiteasiertomovechipsside opposite the one that the tap high-quality universal taps. out of a hole. This is particularlyentered. For a blind hole, Hatch said If youre doing a real short run,helpful when tapping titanium, whichthe company has a tap design that that could be OK, he said. But ifpresents chip-forming difficulties. Soallows chips to be drawn out with the its a company that does a lot of ti- Emuge-Franken offers tap geome- assistance of a fluid.tanium tapping, a tap made specif-ically for titanium is ideal.Emuge-Franken makes taps with geometries and coatings aimed at improving tool life and thread qual-ity in titanium applications. Hatch said a major challenge in making these tools is dealing with the high compressive forces produced by titaniumtapping.Emuge-Fran-ken does this by giving the taps Drillsa high-relief geometry, which in-End Millscreases the space between friction surfaces for improved lubrication Tapsand reduced torque load in both Thread Millsthe forward and reverse directions.In addition, he pointed out that Grooving Toolstaps designed to thread titanium need a flute angle that provides Reamersenough core strength to handle Toolholdersthe high cutting torque produced by the process. This means that Countersinkshigh-helix tapswith higher hook Deburring Toolsangles to improve shearing action in soft, ductile materialscannot Tool Vendingbe used for titanium.On the other hand, Gillilan said roll form taps can be a good choice for creating small threads in tita-nium. These fluteless tools, which create threads by moving mate-rial rather than cutting action, are often used for titanium tapping because they offer a strong cross about the author William Leventon is a contributing writer for CTE. Contact him at 609-920-3335 or wleventon@ GUHRING.COMgmail.com.ctemag.com/cteguide.com19Tapping.indd 19 12/16/22 9:54 AM'