208 Каталог KYOCERA 2016 Твердосплавный вращающийся режущий инструмент ENG Стр.206

Catalog KYOCERA 2016 Solid carbide cutting tools Стр. 206 0208 ENG Lab2u

INDEX TECHNICAL SAWS REAMERS BORING BARS ENGRAVERS THREAD MILLS ROUTERS END MILLS DRILLS & TAPS TAPS ENGINEERING DATA TAP DIMENSIONS ECCENTRICITY TOLERANCES OF TAP ELEMENTS When Tested on Dead Centers (Ref. USCTI Table 317) Applicable to Tables 302, 303, 303A, and 311 Size Range Ground Thread Element Inch & Mach. Screw Pipe Metric Eccentricity t.i.v. 0 - 1/2 1/16 - 1/8 M1.6 - M12 0.0030 0.0060 Square (at central point) Over 1/2 Thru 4 1/4 - 4 Over M12 Thru M100 0.0040 0.0080 0 - 5/16 1/16 M1.6 - M8 0.0005 0.0010 Shank Over 5/16 Thru 4 1/8 - 4 Over M8 Thru M100 0.0008 0.0016 0 - 5/16 1/16 M1.6 - M8 0.0005 0.0010 Major Diameter Over 5/16 Thru 4 1/8 - 4 Over M8 Thru M100 0.0008 0.0016 Pitch Diameter (at first full thread) 0 - 1/2 1/16 M1.6 - M8 0.0005 0.0010 Over 1/2 Thru 4 1/8 - 4 Over M8 Thru M100 0.0008 0.0016 0 - 1/2 1/16 - 1/8 M1.6 - M12 0.0010 0.0020 Chamfer Over 1/2 Thru 4 1/4 - 4 Over M12 Thru M100 0.0015 0.0030 t.i.v. = Total indicator variation. Figures are given for both eccentricity and total indicator variation to avoid misunderstanding. Chamfer should preferably be inspected by light projection to avoid errors due to indicator contact points dropping into the grooves. COATING ABBREVIATIONS See Page 196 for Coating Recommendations CrN: Chromium Nitride TiAlN: Titanium Aluminum Nitride N: Nitride TiCN: Titanium Carbonitride N + O: Nitride + Oxide TiN: Titanium Nitride O: Stream Oxide WC/C: Tungsten Carbide / Carbon AlCrN Aluminum Chromium Nitride DLC: Diamond-like Carbon 206 Kyocera