313 Каталог HOFFMANN GROUP 2016 Станочный режущий и вспомогательный инструмент Вер. 47 Стр.313

Каталог HOFFMANN GROUP 2016 Режущий инструмент и оснастка Стр. 313 0313 ENG Lab2u

Hoffmann Group 47 ae0.2xD Garant solid carbide milling cutter MTC / TPC Eccentric relief ground, additionally polish ground in the flutes for outstanding chip evacuation in long-chipping aluminium workpieces. With double chip-breaker for exemplary chip formation. 20 2282 - With the latest generation of DLC coating sp2. Application: Especially for MTC (Multi Task Cutting) use on the new generation of turning / milling centres. MTC TPC h6 II h6 I DIN DIN 6535 HA 6535 HB G 2.5 "max I G2.5 "max I Ground recess 202281 202282 Suitable for/ v, m/min Alu plastics omi, Alu cast >10% Si PMMA acrylic PE-HD PA 66 PEEK PF31 AFRP aramid PVDF GF20 POM GF25 PA 66 GF30 PEEK GF30 PTFE CF25 PEEK CF30 Hybrid Honey- comb sandwich Inconel’ A i ISO code N N hn N rn N Mm N N MM rnrl N nr- hn N I N 202281 130 100 85 125 90 75 O o 202282 280 270 180 125 90 75 125 105 90 110 120 O o 0h6 Dr s 202281 202282 Solid carbide end mill MTC/TPC DLC 40.99 49.40 49.40 59.20 74.05 86.13 98.41 116.33 186.12 215.82 272.25 311.85 J rfi f J J I J I i i 1 ifbGarant' Machining aluminium Machinability of aluminium alloys In general, aluminium is regarded as easy to cut. Compared to steel of the same strength, the cutting forces that occur are considerably more favourable (approx. 30% of those of steel). On account of the relatively large chip volume possible with aluminium, the chip shape is an important criterion. It depends on the material itself, the cutting conditions and on the tool geometry. In the case of wrought aluminium materials, wear is not a problem, even at high tool loadings. They can be cut well with HSS tools and carbide tools. Pure aluminium and hardenable wrought materials in the soft state, particularly at low cutting speeds, often tend to form spurious chips or built-up edges. The resulting changes to the cutter geometry and consequent rise in temperature due to friction can lead to poorer surfaces. Remedies for this include higher cutting speeds and possibly the use of lubricating coolants. Due to the high thermal conductivity, the machining heat can be carried away by the chips without problems. 0D4 Shank form mm 25 30 5.7 71 6 HA 0.2 33 40 7.4 80 8 HA 0.2 41 50 9.2 95 10 HA 0.2 49 60 11 109 12 HA 0.2 65 80 15 132 16 HB 0.2 82 100 19 154 20 HB 0.2 Density 2.7g/cm5 Moh hardness 2,75 Magnetism paramagnetic (X,=2.M(H) Melting point 933.47 K (660.32’0 Boiling point 2740 K (2467K1 °C) Molar volume 10.00-10-“ mVmol Latent heat of evaporation 293 kJ/moi Latent heat of fusion 10.7 kJ/mol Sound velocity 5100 m/s at 293.15 K Specific heat 897mj/(kgK) Electrical conductivity 37.7 10s A/(V m) thermal conductivity 235 W/(m K 313