Каталог Iscar торцевые фрезы 2022 - страница 71

PLUNGING CUTTERS Recommended Cutting Conditions for Side Plunging Plunging Cycle: Step 1 Step 2 Step 3 Plunge in (axially-Z direction) Back stroke (rapid) at an angle b≥2° Move to the next cycle Control movement Rapid movement β β - Exit angle from the material TANGPLUNGE - SIDE PLUNGING Workpiece Material ISO ISCAR mat. class Typical Representative Carbide Hardness DIN/ Insert grade Cutting group* ISO AISI/SAE/ DIN HTP LN… for speed Vc, Feed Fz, HB 513 Description ASTM W.-Nr. type inserts m/min mm/t Coolant Non-alloy steel and cast 4 1060 1.1221 180-200 80-130 0.12-0.15 steel, free cutting steel Low alloy and cast steel (less 8 4340 1.6582 260-300 IC830/ 80-120 0.1-0.15 than 5% of alloying elements) Air blow IC928 Low alloy and cast steel (less HRC P 9 3135 1.571 …ER 80-120 0.08-0.15 than 5% of alloying elements) 35-40** High alloy steel 10 H13 1.2344 200-220 80-100 0.08-0.12 IC830/ Martensitic s.s. 12 420 1.4021 200 IC330/ 80-100 0.08-0.12 Air blow/wet IC328 IC830/ M Austenitic s.s. 14 304L 1.4306 200 …ER IC330/ 60-80 0.08-0.1 Wet (emulsion) IC328 0.6025 Grey cast iron 16 Class 40 250 150-200 0.12-0.2 (GG25) IC810/ K …ER Air blow Class 0.7050 IC910 Nodular cast iron 17 200 100-180 0.1-0.17 65-45-12 (GGG50) Ni-based HTSA 34 Inconel 718 2.4668 350 20-25 0.07-0.1 IC328/ S Ti6Al4V HRC …ER Wet (emulsion) Ti alloys 37 3.7164 IC330 35-40 0.07-0.1 (Grade 5) 34-36 HRC 45 IC808/ H Hardened steel 38 4340 1.6582 …ETR 70-100 0.08-0.1 Air blow max IC908 The table data refers to a cutter overhang of up to 4D (D-the diameter of a cutter) * ISCAR material group in accordance with VDI 3323 standard ** Quenched and tempered Table 1: L1 as a Function of the Width of Cut and Cutter Diameter ae - Cutter Diameter (mm) Width of 50 52 63 66 80 100 L1max = 2x Dxae-ae2 Plunge (mm) L1max - Step (effective diameter) 1 14.0 14.3 15.75 16.1 17.8 19.9 3 23.8 24.3 26.8 27.5 30.4 34.1 5 30.0 30.6 34.0 34.9 38.7 43.6 6 32.5 33.2 37.0 37.9 42.1 47.5 7 34.7 35.5 39.6 40.6 45.2 51.0 8 36.6 37.5 41.9 43.0 48.0 54.3 ae 9 38.5 39.3 43.10 45.3 50.5 57.2 10 40.0 41.0 46.0 47.3 52.9 60.0 11 41.4 42.5 47.8 49.2 55.1 62.6 L1 12 42.7 43.8 49.5 50.9 57.1 65.0 L1- Side step over 13 43.8 45.0 51.0 52.5 59.0 67.3 ae- Width of plunge 14 - - 52.4 53.9 60.8 69.4 255