Каталог Iscar дисковые фрезы и фрезерные пластины 2022 - страница 229

ISO MILLING INSERTS USER GUIDE Cutting Recommendations for the HELIQUAD-12 Complete Line • The table below defines initial feed rates • For initial cutting speeds, refer to ISCAR’s recommendations for carbide grades Calculating cutting feed rate: ƒz=ƒz0×Kef×Ks where fz0 - Basic feed (Table 1), Kef - Engagement factor ( Table 2), Ks - Stability factor (Table 3) Table 1 - Basic feed, ƒz0, mm/tooth ƒz0 for Insrt SIze/Geometry Tensile SDMT SDMT SDMT SDMT SDMR QDMT QDCT Strength Hardness Material 1205… 1205PDR- 1205PDN- 1205PDR- 1205… 1205… 1205… Material Condition [N/mm2] HB No. (1) PDR…-MM HQ-M RM-M HQ-HS HQ-M PDTN-M PDN/-F < 0.25 %C Annealed 420 125 1 Non-alloy steel >= 0.25 %C Annealed 650 190 2 and cast < 0.55 %Csteel, freeQuenched andtempered 850 250 3 0.2 0.15 - 0.15 0.12 0.2 0.12 cutting >= 0.55 %C Annealed 750 220 4 steel Quenched andtempered 1000 300 5 P Low alloy steel Annealed 600 200 6 and cast steel(less than 5% ofalloying elements)Quenched andtempered930100012002753003507890.2 0.15 - 0.15 0.10 0.2 0.10 High alloyed steel, caststeel, and tool steelAnnealedQuenched andtempered680110020032510110.18 0.13 - 0.13 0.10 0.18 0.10 Stainless steeland cast steel Ferritic/martensitic680 200 12Martensitic82024013 M Stainless steeland cast steelAustenitic 600 180 14 - - - - 0.10 - 0.10 Grey cast iron (GG) Ferritic/pearliticPearlitic 180 1526016 K Cast iron nodular(GGG) FerriticPearlitic 160 1725018 - 0.15 0.15 - - 0.2 - Malleable cast iron FerriticPearlitic 130 1923020 Aluminum Not cureable 60 21 wrought alloys Cured 100 22 Aluminum <=12% Sicastalloys>12% SiNot cureableCuredHightemperature75 23902413025 N >1% Pb Free cutting 110 26 - - - - 0.15 - 0.15 Copper Brass 90 27 alloys Electrolyticcopper 100 28 Duroplastics,Non metallicfiber plastics 29 Hard rubber 30 High Fe based AnnealedCured 200 3128032 temp. Ni or CoalloysSbasedAnnealedCuredCast 250 33 0.07 0.073503432035----- Titanium alloys Pure Rm =400 (2)Alpha+betaRm =alloys cured10503637 0.09 0.09 Hardened steel Hardened 55 HRC 38 0.07 - - - - 0.07 - H Chilled cast iron Cast 400 40 0.07 - - - - 0.07 - Cast iron Hardened 55 HRC 41 0.07 - - - - 0.07 - (1) in accordance with VDI3323 standard (2) Rm - ultimate tensile strength, MPa Table 2 - Engagement Factor Kef Table 3 - Stability Factor Ks ae/D 0.5…1 0.25 up to 0.5 less than 0.25 Stability High Moderate Poor Ke 1 1.1 1.3 Ks 1 0.9 0.7 ae - Width of cut D - cutting diameter 545