CAST Solid carbide high-performance reamer for an optimal surface finish NEW! universal for GG and GGG as a standard tool Made by Guhring
Cast the specialist for an optimal surface finish R 500 CAST Guhring further develops its successful reamer range: The high-performance reamers are now available with Signum-coating as standard. It now enables the machining of GG and GGG with only one tool. The new Signum-coating excels thanks to extreme hardness and good coating adhesion. These are optimal prerequisites for the application in grey cast iron and spheroidal graphite iron. With this optimisation of the range the machining of GG and GGG is possible with only one tool. For our customers this means easier handling, less tools and subsequently lower costs. In addition, the Signum-coated Cast reamer achieves better surface qualities and a longer tool life. Signum-coating extreme hardness of 5500 HV outstanding coating adhesion for maximum process reliability for the machining of all cast materials high temperature resistance 2
Cast the specialist for an optimal surface finish Guhring no. R Standard/DIN Tool material Surface finish Form Cooling 1036 1037 Guhring Std. Solid carbide Signum HR500 Cast S axial Signum HR500 Cast D axial Feed column no. Reamer-Ø mm 71 72 73 74 75 76 77 f (mm/rev.) < 4.00 0.080 0.100 0.125 0.300 0.500 0.800 1.000 4.00 0.100 0.125 0.160 0.300 0.500 1.000 1.200 5.00 0.100 0.125 0.160 0.400 0.600 1.000 1.400 6.30 0.125 0.160 0.200 0.400 0.700 1.200 1.600 8.00 0.160 0.200 0.250 0.600 1.000 1.800 2.400 10.00 0.200 0.250 0.315 0.600 1.200 1.800 2.400 12.50 0.200 0.250 0.315 0.800 1.200 2.000 2.500 16.00 0.250 0.315 0.400 0.800 1.400 2.200 2.600 20.00 0.315 0.400 0.500 0.800 1.400 2.200 2.600 25.00 0.400 0.500 0.630 1.000 1.600 2.500 3.000 31.50 0.400 0.500 0.630 1.000 2.000 3.000 3.600 40.00 0.500 0.630 0.800 1.200 2.000 3.000 3.600 50.00 0.630 0.800 1.000 1.400 2.200 3.200 3.600 > 50.00 0.800 1.000 1.250 1.600 2.200 3.200 3.600 Material related coolants: air neat oil soluble oil Cutting direction: R right-hand Material group Material examples, new description (old description in brackets) Figures in bold material no. to DIN EN Cast iron 0.6010 EN-GJL-100 (GG10), 0.6020 EN-GJL-200 (GG20) 0.6025 EN-GJL-250 (GG25), 0.6035 EN-GJL-350 (GG35) Spheroid. graphite iron and 0.7040 EN-GJS-400-15 (GGG40), 0.7050 EN-GJS-500-7 (GGG50), 0.8035 malleable cast iron 0.7060 EN-GJS-600-3 (GGG60), 0.7070 EN-GJS-700-2 (GGG70), 0.8170 New cast materials GGV EN-GJV400 (GGV40), EN-GJV500 (GGV50), SiMo 6 New cast materials ADI EN-GJS-1200-2 (ADI1200), EN-GJS-1400-1 (ADI1400) 1400 240 HB 350 HB 240 HB 350 HB 300 HB Tensile str. Hardness MPa (N/mm 2 ) Coolant v c m/min Feed column no. 200 76 76 200 76 76 120-300 72-75 72-75 80-120 72-75 72-75 200 75-76 75-76 200 75-76 75-76 A surface finish quality of R a 1.6 in GG and R a 1.2 in GGG is not a problem with the Signum-coated Cast reamer. However, prerequisite is at least an average casting quality with homogeneous cavity distribution. 2.0 0.0 (µm) -2.0 P-profile aligned Lc/Ls = OFF Probe TKU300 Lt = 4.80 mm Vt = 0.50 mm/s Lr = 0.800 mm 2.0 0.0 (µm) -2.0 P-profile aligned Lc/Ls = OFF Probe TKU300 Lt = 4.80 mm Vt = 0.50 mm/s Lr = 0.800 mm Cluster of large cavities l-----l Magnification = 100 x High voltage = 15.00 kv Detektor = SE1 100 µm Working distance = 15 mm Guhring R&D Homogeneous casting structure with an even cavity distribution: CAST achieves a surface finish quality of Ra 0.46 following a tool life of approximately 60 m l-----l Magnification = 100 x High voltage = 15.00 kv Detektor = SE1 100 µm Working distance = 16 mm Guhring R&D Extreme cavity sizes and distribution: With this structure a decrease in surface finish quality must be taken into account. 3
universal for the Cast the specialist for an optimal surface finish machining of GG and GGG Solid carbide Cast high-performance reamers The Cast reamer produces surface finish qualities that were previously not possible with multi-fluted reamers. With a homogenous casting quality a surface finish < Ra 1.6 in GG is achievable without a problem. Naturally, with the usual high cutting rates. Diameter fluctuations are a thing of the past, process reliability and a reduction in process costs are guaranteed. A surface finish quality < Ra 1.2 is also no problem in GGG thanks to the Signum-coating. Tool material Solid carbide Solid carbide Surface finish Signum Signum Discount group 166 166 Guhring no. 1036 1037 Type Standard Tolerance Guhring std. H7 S for blind holes D for through holes d2 d1 l 4 l 2 l 1 Nom.-Ø d 1 Shank Ø d 2 h6 Total length l 1 Effective length l 2 Flute length l 4 No. of flutes 3.00 4.00 68 40 12 6 4.00 4.00 68 40 12 6 5.00 6.00 76 40 12 6 6.00 6.00 76 40 12 6 7.00 8.00 101 65 16 8 8.00 8.00 101 65 16 8 9.00 10.00 101 61 19 8 10.00 10.00 101 61 19 8 11.00 12.00 130 85 19 8 12.00 12.00 130 85 19 8 13.00 14.00 130 85 22 8 14.00 14.00 130 85 22 8 15.00 16.00 150 102 22 8 16.00 16.00 150 102 22 8 17.00 18.00 150 102 25 8 18.00 18.00 150 102 25 8 19.00 20.00 150 100 25 8 20.00 20.00 150 100 25 8 Availability 4
Cast the specialist for an optimal surface finish GG and GGG machining with only one tool Application examples GG-30 brake housing Ø 18.00 mm H7 Surface finish requirement R a = 0.8 v c = 200 m/min f u = 1.2 mm/rev. Tool life: 48 m GGG-50 transmission housing Ø 20.00 mm Surface finish requirement R z = 10 v c = 195 m/min f u = 1.1 mm/rev. Tool life: 66 m The customer also machines GG-25 with the same tool and achieves optimal machining results. 5
Gühring KG Post Box 10 02 47. D-72423 Albstadt Herderstr. 50-54. D-72458 Albstadt Telephone +49743117-0 www.guehring.de Made by Guhring 147 950 / 1453-VIII-06 Printed in Germany 2014