Каталог Dormer Pramet фрезерование 2021 - 2022 - страница 700

Предыдущая страница Следующая страница

Навигация

9 CORRECTION FACTORS Correction factors for specific type of cutter and operation CVcO x.v Face mills with KAPR 45° – 60° and negative inserts(SHN06C, SHN09C, CHN09, …) 1.15 1.00 0.85 Face mills with KAPR 45° and positive inserts(SOE06Z, SOE09Z, SOD05,...) 1.15 1.00 0.85 Shoulder mills with KAPR 90°(SAD07D, SAD11E, SAD16E, SLN12, SLN16..) 1.10 1.00 0.90 Copy face mills(SRC10 - SRC20, SRD05 - SRD16, …) 1.10 1.00 0.90 Copy end mills(K2-PPH, K2-SLC, K2-SRC, K3-CXP…) 1.10 1.00 0.90 Disc mills(S90CN(XN), S90SN...) 1.10 1.00 0.90 Shoulder mills with extended fluteJ(T)-CSD12X, J(T)-SAD11E, J(T)-SAD16E...) 1.25 1.00 0.80 Face mills for heavy duty(FSB22X, SPN13..) 1.30 1.00 0.85 Shoulder mills for heavy duty(FTB27X..) 1.25 1.00 0.85 Correction factors for required durability CVcT minutes 15 20 30 45 60 90 120 General machining operations(fine finishing up to roughing)1.23 1.13 1.00 0.89 0.81 0.72 – Heavy machining operations(heavy roughing) – – 1.23 1.13 1.00 0.89 0.81 Additional correction factors CVcA Machining environment CVcA Condition of the work-material (hard skin due to forging or casting) 0.70 Unstable machining conditions 0.85 Common machining conditions 1.00 Stable machining conditions 1.20 Correction factors for cutting speed when face and shoulder milling with <100% radial immersion CVcRCT ae 5% 10 % 15 % 20 % 25 % 30 % 40 % 50 % 60 % 70 % 75 % 80 % 90 % 100 % DC x.v 1.48 1.35 1.27 1.22 1.19 1.16 1.11 1.08 1.05 1.03 1.00 1.00 1.00 1.00 Correction factors to compensate for chip-thinning when face and shoulder milling with <100% radial immersion CfzRCT ae 5% 10 % 15 % 20 % 25 % 30 % 40 % 50 % 60 % 70 % 75 % 80 % 90 % 100 % DC 2.20 1.60 1.35 1.20 1.10 0.95 0.85 0.75 0.85 0.95 1.00 1.00 1.00 1.00 x.f 0.64 0.64 0.64 0.64 0.64 0.65 0.65 0.67 0.68 0.71 0.72 0.74 0.79 1.00 x.f Resulting corrected cutting speed vcc kvG - coefficient of used material vcc = vc . kvG . Cvco . CvcT . CvcA . CvcRTC . CfzRTC vc - starting speed from catalogue page 699