Threading Tools 2018 by Sumitomo

More catalogs by Sumitomo | Threading Tools 2018 | 23 pages | 2018-07-11

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Page 6 of Threading Tools 2018

sec-threading tools sste type ssti type ■ characteristics ・ major line up of inserts with a wiper edge for high machining accuracy can handle a wide variety of machinery from general production machinery and pipes to aerospace instruments ・ stable chip control utilizing a 3d mold chipbreaker ・ increased cutting performance through the polishing of the cutting edge flank for high quality thread machining the polished flank faces around the cutting edge enable high quality threading application type wiper edge ■ series table no general purpose 60°thread general purpose 55°thread grooving iso meter thread 60° 60°unified threads parallel thread for pipes witworth 55° for binding sink faucets water and gas cut-off us npt 60° yes threading tools f for general industry pitch external internal tpi threads/inch pitch mm 48 36 32 28 27 24 20 19 18 16 14 13 12 11.5 11 10 8 48 to 8 16er a60-cb 48 to 8 16ir a60-cb external grooving 48 to 8 16er a55-cb internal grooving 48 to 8 16ir a55-cb external grooving 0.5 internal grooving 0.5 3.0 3.0 external grooving 0.75 1.0 1.25 1.5 1.75 2.0 2.5 3.0 16er 075iso-cb internal grooving 0.75 1.0 1.25 1.5 1.75 2.0 2.5 3.0 16ir 075iso-cb external grooving 16er 32un-cb internal grooving 16ir 32un-cb external grooving 16er 36w-cb internal grooving 16ir 28w-cb external grooving 16er 27npt-cb internal grooving 16ir 27npt-cb external grooving 16er 28bspt-cb internal grooving 16ir 28bspt-cb external grooving 16er 27nptf-cb internal grooving 16ir 27nptf-cb external grooving 16er 32unj-cb threading for steam gas and water piping taper threads for pipe bspt 55° us nptf 60° for aerospace instruments unj 60° insert cat no example 16ir 32unj-cb internal grooving 48 36 32 28 27 24 20 19 18 16 14 13 12 11.5 11 10 8 ■ application examples ● cutting force comparison principal cutting force n 300 ● machined surface comparison good machined surface with minimal galling low cutting force with sharp cutting edge 280 260 240 220 200 1st pass 8th pass sste type competitor a competitor b competitor c work material s45c m30 × 1.5 cutting conditions vc 150 m/min wet 8 pass machining method radial in-feed f68 0.1mm sste type competitor a work material s45c m30 × 1.5 cutting conditions vc 150 m/min wet 8 pass machining method radial in-feed