Каталог Sumitomo токарные резцы (державки) для наружного точения - страница 5
Навигация
Каталог Sumitomo модульные фрезерные системы
Техническая информация Sumitomo
Каталог Sumitomo сверла и развертки
Каталог Sumitomo резьбонарезной инструмент
Каталог Sumitomo твердосплавные пластины
Cutting edge position
■ Cutting Edge and Nose Position
- Cutting Edge Position by Nose Radius (ISO Standards)
(In the table, value of X and Y is shown for when the value of horizontal rake angle and cutting edge inclining angle is 0°)
Cutting edge shape Dimensions (mm) Cutting edge shape Dimensions (mm)
| Symbol | Enlarged view of cutting edge Shape | RE | X | Y | Symbol | Enlarged view of cutting edge Shape | RE | Y X |
| 0.4 | 0.291 | − | 0.4 | 0.024 0.089 | ||||
| 0.8 | 0.581 | − | 0.8 | 0.048 0.178 C | ||||
| A | − | 75˚ | RE | |||||
| RE | 1.2 | 0.872 | K | 1.2 | 0.072 0.268 | |||
| 1.6 | 1.162 | − | 1.6 | 0.096 0.357 | ||||
| X | LF | X | ||||||
| − | LF | |||||||
| 90° | 2.4 | 1.743 | 2.4 | 0.143 0.535 | ||||
| 0.4 | 0.089 0.024 | 0.4 | 0.040 0.040 | |||||
| 0.8 | 0.178 0.048 | 0.8 | 0.079 0.079 | |||||
| B | L | 95˚ | ||||||
| RER | 1.2 | 0.268 0.072 | RE 1.2 | 0.119 0.119 | ||||
| 1.6 | 0.357 0.096 | 1.6 | 0.159 0.159 |
75˚ 95˚ LF
| LF | 2.4 | 0.535 0.143 | 2.4 | 0.238 0.238 | ||
| X | X | |||||
| 0.4 | 0.164 0.164 | 0.4 | 0.463 0.263 | |||
| 0.8 | 0.329 0.329 | 0.8 | 0.925 0.471 |
D RE N
| 1.2 | 0.493 0.493 | RE | 1.2 | 1.388 0.707 |
| 1.6 | 0.658 0.658 | 1.6 | 1.850 0.943 |
45˚ X 63˚ LF
| X | LF | 2.4 | 0.986 0.986 | 2.4 | 2.776 1.414 | ||
| 0.4 | 0.396 0.229 | 0.4 | 0.164 0.164 | ||||
| RE | C | ||||||
| 0.8 | 0.793 0.458 | 0.8 | 0.329 0.329 |
E RE S RE
| 1.2 | 1.190 0.687 | 45˚ | 1.2 | 0.493 0.493 | ||
| 1.6 | 1.587 0.916 | X | 1.6 | 0.658 0.658 | ||
| 60˚ | LF | |||||
| LF | ||||||
| X 2.4 | 2.381 1.374 | OAL | 2.4 | 0.986 0.986 | ||
| D | ||||||
| 0.4 | − | 0.291 | 0.4 | 0.396 0.229 | ||
| 0.8 | − | 0.581 | 0.8 | 0.793 0.458 |
F − T RE
| RE | 1.2 | 0.872 | 1.2 | 1.190 0.687 | ||||
| 90˚ | R | |||||||
| 1.6 | − | 1.162 | 1.6 | 1.587 0.916 | ||||
| 60˚ |
LF X LF
| 2.4 | − | 1.743 | 2.4 | 2.381 1.374 | ||
| 0.4 | 0.291 | − | 0.4 | 0.253 0.058 | ||
| 0.8 | 0.581 | − | 0.8 | S 0.506 0.116 | ||
| 95˚ | RE | |||||
| G RE | 1.2 | 0.872 | − | U | 1.2 | 0.759 0.175 |
| LF 1.6 | 1.162 | − | 1.6 | 1.013 0.233 | ||
| X | ||||||
| 90˚ | − | LF | ||||
| 2.4 | 1.743 | X | 2.4 | 1.519 0.350 | ||
| T | ||||||
| 0.4 | 0.344 0.033 | 0.4 | 0.002 0.033 | |||
| 0.8 | 0.687 0.079 | 0.8 | 0.005 0.066 | |||
| 55˚ | ||||||
| J RE | 1.2 | 1.031 0.118 | Y 85˚ | RE 1.2 | 0.008 0.099 | |
| 1.6 | 1.375 0.157 | 1.6 | V 0.011 0.132 | |||
| LF | X | |||||
| X | LF | |||||
| 93˚ | 2.4 | 2.062 0.236 | 2.4 | 0.017 0.198 |
- How to obtain the insert nose position
W
Calculation method for nose position (mm) Value of IC and RE used in the calculation of B (mm)
| Shape | Calculation formula | Inscribed circle | IC for calculation | Nose symbol Nominal value RE for calculation |
| nominal value |
| 3.97 | 3.9688 | 02 | 0.2 | 0.203 | ||
| RE | ||||||
| ød | B=3/2d−RE 4.76 | 4.7625 | 04 | 0.4 | 0.397 | |
| Triangle | ||||||
| 5.56 | 5.5562 | 08 | 0.8 | 0.794 | ||
| 6.35 | 6.3500 | 12 | 1.2 | 1.191 | ||
| RE | 7.94 | 7.9375 | 16 | 1.6 | 1.588 | |
| ød | ||||||
| Tetrahedron B=( 2−1)×(d/2−RE) | ||||||
| 9.525 | 9.5250 | 24 | 2.4 | 2.381 | ||
| 12.70 | 12.7000 | |||||
| RE : | 15.875 | 15.8750 | ||||
| ø d | : | |||||
| Diamond | /2)−1)×(d/2−RE) B=(1/Sin( 19.05 | 19.0500 | ||||
| B | 25.40 | 25.4000 |