b'Give Threading a Whirlpoint threading methods require multiple passes with a threading tool. An additional advantage is that aggressive, deep thread forms can be achieved in a single pass with a high level of precision.Long threads pose a further hur-dle when machined on a Swiss-style CNC machine. Because Swiss ma-chines use a guide bushing to sup-port material, which moves through the tooling rather than the tooling moving to the workpiece, Laprade said long threaded parts must be pulledbackthroughtheguide bushing after being cut, resulting inGenevieve Swiss Industrieslost support of the workpiece. Internally cooled thread whirling rings eliminate the need to have perfectly aimed coolant Once material support is re- nozzles for chip evacuation and insert cooling. Cutting oil is delivered to the insert edge through internal channels in the cutter ring.moved, he said, a machinist runs the risk of the part deflecting undernates this concern, and it can takeLoughney said when using a slid-the tool pressure with each subse- stock diameter and machine it to aing-head machine, users have the quent pass. Thread whirling elimi- complete thread in a single shot. support of its guide bushing close tecnicrafts RATTENTION SWISS MACHINE BUILDERS AND USERS.Tecnicrafts collets and guide bushings for Swiss Type CNC Automatic Lathes.All popular brands.Smooth bore, groove bore, straight nose, tapered nose and other styles of collets available in various sizes.Adjustable, profile and reinforced shank style guide bushings, too.Platinum Tooling is now the exclusive importer of Tecnicrafts products in North America.16 E. Piper Lane, Ste.128Prospect Heights, IL847-749-0633info@platinumtooling.comwww.platinumtooling.com42JULY 2021 Platinum Tooling AD5667 (T) Color 1/4 pg CTE 2018Threading.indd 42 6/17/21 11:30 AM'