Каталог Stellram фрез со сменными пластинами - страница 59
Навигация
Каталог Stellram твердосплавные цельные фрезы
Каталог Stellram токарный инструмент
Каталог Stellram системы со сменными пластинами для фрезерования с высокими подачами
Каталог Stellram высокопроизводительные фрезерные системы
Каталог Stellram материалы и сплавы
7690VA & 7690VAP
Speed v (m/min.)
c 7690VA & Wear Resistance
7690VAP Series
Speed min. - max.
Coolant Recommendation
| PVD | CVD | PVD | PVD | PVD | CVD | CVD | Uncoated | |||
| Recommended | Possible | X Grade | X Grade | X Grade | Standard | Standard | Standard | Standard | Micrograin | |
| Rm and | X400 | X500 | X700 | SP6519 | SP4019 | MP91M | SC3025 | GH1 | ||
| ISO | Materials | |||||||||
| Hardness | ||||||||||
| <600 N/mm 2 | 130 - 270 | 130 - 295 | 140 - 345 | |||||||
| Unalloyed | <180 HBN |
Steel
| <950 N/mm 2 | 115 - 240 | 115 - 260 | 120 - 305 | ||
| <280 HBN | |||||
| P | 700-950 N/mm2 | 95 - 200 | 100 - 210 | 100 - 230 | 105 - 270 |
| 200-280 HBN | |||||
| Alloyed | 950-1200 N/mm2 | 70 - 150 | 75 - 160 | 75 - 175 | 80 - 205 |
| Steel | 280-355 HBN | ||||
| 1200-1400 N/mm2 | 45 - 95 | 50 - 100 | 50 - 110 | 50 - 130 |
355-415 HBN
| Austenitic + Ferritic | 115 - 250 | 115 - 260 | 115 - 270 | 120 - 280 | ||
| Stainless | 300 series |
Steel
| M | Martensitic | 100 - 220 | 105 - 230 | 105 - 235 | 110 - 250 | |
| 400 series | ||||||
| PH Stainless | Refractory | 50 - 110 | 50 - 115 | 50 - 120 |
P.H.
| Grey | 140 - 295 | 145 - 365 | 150 - 395 | 135 - 290 | ||
| GG-Ft | ||||||
| K | Spheroidal-Ductile | 110 - 240 | 115 - 285 | 120 - 335 | 120 - 245 |
Cast Iron GGG-FGS
| Malleable | 100 - 220 | 105 - 260 | 105 - 275 | 115 - 200 |
| GTS - MN/MP |
| Aluminium & Alloys | 400 - 2895 | 400 - 3050 | |
| Aluminium | < 16% Si 116 HBN |
| N | | | ||||
| & Alloys | Aluminium + Silicon | |||||
| 295 - 2320 | 295 - 2440 | |||||
| > 16% Si 92 HBN |
| Iron Based | 23 - 48 | 23 - 52 | 23 - 55 | 24 - 63 | |
| High | Cobalt Based | 21 - 44 | 22 - 46 | 22 - 48 | 23 - 52 |
S Temperature
| Alloys | Nickel Based | 24 - 51 | 25 - 53 | 25 - 55 | 26 - 59 | |||
| Titanium Based | 35 - 73 | 36 - 75 | 36 - 79 | 37 - 84 | ||||
| Hard Steel | ||||||||
| >1400 N/mm2 | 45 - 95 | 50 - 100 | 50 - 105 | |||||
| H | Hard | >415 HBN |
| Materials | | | | |
| Chilled Cast Iron |
>1400 N/mm2 35 - 80 40 - 90 40 - 95
> 400 HBN
Calculation of the average chip thickness in relation with the ae (Radial Engagement) if ae is less than 50% of dia.
| Formula: Programme Feed Rate (f ) | h | = Average chip thickness | Formula: Average Chip Thickness (h | ) | |
| z | m | m | |||
| a = Radial engagement | |||||
| e |
d f = Feed per tooth a
| f = h | x | z | h | = f x | e | |||
| z | m | a | = Cutter diameter | m | z | |||
| e | d | d |