Общий каталог Sumitomo 2019 - 2020 - страница 175

Cutting Edge Position Dimension ■ Cutting Position Dimension and Nose Radius ● Cutting position dimension by nose radius (ISO standard) External Holders (Values for X and Y in the table are with lateral rake angle and cutting edge angle of 0°.) Tool Shape Dimensions (mm) Tool Shape Dimensions (mm) Symbol Shape Close-up of Cutting Edge RE X Y Symbol Shape Close-up of Cutting Edge RE X Y 0.4 0.291 — 0.4 0.024 0.089 WF 0.8 0.581 — 0.8 0.048 0.178 C WF 75˚ RE A RE 1.2 0.872 — K 1.2 0.072 0.268 LF 1.6 1.162 — X 1.6 0.096 0.357 X Y LF 90° 2.4 1.743 — 2.4 0.143 0.535 0.4 0.089 0.024 0.4 0.040 0.040 WF WF 0.8 0.178 0.048 0.8 0.079 0.079 95˚ B RE R 1.2 0.268 0.072 L RE 1.2 0.119 0.119 1.6 0.357 0.096 1.6 0.159 0.159 Y 95˚ Y 75˚ LF LF X 2.4 0.535 0.143 X 2.4 0.238 0.238 0.4 0.164 0.164 0.4 0.463 0.263 WF WF 0.8 0.329 0.329 0.8 0.925 0.471 RE D 1.2 0.493 0.493 N RE 1.2 1.388 0.707 Y 1.6 0.658 0.658 1.6 1.850 0.943 Y 45˚ X 63˚ LF LF X 2.4 0.986 0.986 2.4 2.776 1.414 0.4 0.396 0.229 0.4 0.164 0.164 WF RE 0.8 0.793 0.458 0.8 0.329 0.329 WF RE RE E 1.2 1.190 0.687 S 45˚ 1.2 0.493 0.493 Y 60˚ 1.6 1.587 0.916 X LF 1.6 0.658 0.658 Y LF X 2.4 2.381 1.374 OAL 2.4 0.986 0.986 0.4 — 0.291 0.4 0.396 0.229 WF 0.8 — 0.581 0.8 0.793 0.458 WF RE F 90˚ RE 1.2 — 0.872 T 1.2 1.190 0.687 Y 1.6 — 1.162 60˚ 1.6 1.587 0.916 LF X LF 2.4 — 1.743 2.4 2.381 1.374 Y 0.4 0.291 — 0.4 0.253 0.058 0.8 0.581 — 0.8 0.506 0.116 WF WF 95˚ RE RE G 1.2 0.872 — U 1.2 0.759 0.175 X LF 1.6 1.162 — 1.6 1.013 0.233 LF Y 90˚ X 2.4 1.743 — 2.4 1.519 0.350 0.4 0.344 0.033 0.4 0.002 0.033 WF 55˚ 0.8 0.687 0.079 0.8 0.005 0.066 WF RE 85˚ J 1.2 1.031 0.118 Y RE 1.2 0.008 0.099 LF 1.6 1.375 0.157 1.6 0.011 0.132 Y X X LF Y 93˚ 2.4 2.062 0.236 2.4 0.017 0.198 ● Nose radius position calculation Calculation Formula for Nose Radius Position (mm) Values of IC and RE for the Calculation of B (mm) Inscribed Circle Shape Formula Nominal Value IC for Calculation Nose Radius Nominal Value RE for Calculation RE 3.97 3.9688 02 0.2 0.203 Triangular 4.76 4.7625 04 0.4 0.397 ød B = 3/2d – RE B Type 5.56 5.5562 08 0.8 0.794 6.35 6.3500 12 1.2 1.191 RE ød Square 7.94 7.9375 16 1.6 1.588 B B = ( 2 – 1) × (d/2 – RE) Type 9.525 9.5250 24 2.4 2.381 12.70 12.7000 RE : 15.875 15.8750 ød Diamond B = (1/Sin(:/2) – 1) × (d/2 – RE) 19.05 19.0500 Type B 25.40 25.4000 C5