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  • Cutting Tool Wear and Mechanisms of Chip FormationASME

    Cutting tool wear of polycrystalline cubic boron nitride PcBN tools was investigated in oblique turning experiments when machining compacted graphite iron at high cutting speeds, with the intention of

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  • High Speed MachiningCompacted Graphite Iron

    Prior to 2006, there were no real highspeed machining solutions for CGI. It was best considered the titanium of the ferrous world. It was best considered the titanium of the ferrous world. It is very speed sensitive, and if that speed limit

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  • Iron CastingsAlloy GuideWaupaca Foundry

    Waupaca Foundry produces various grades of gray, ductile and compacted graphite iron castings.The difference in these types of iron is the characteristics of the graphite used in the material. Gray Iron. Gray iron

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  • F. Mocellin et al Study of the Machinability of Compacted

    Figure 1. Microstructure of cast graphite iron. a Optical Micrograph. b 3D shape of compacted graphite. MEV 395x ASM, 1996. The graphite shape is the basic difference between CGI and gray iron. This difference is the main reason for better mechanical properties of the compacted graphite iron

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  • Horizontal CNC Machining of Compacted Graphite Iron CGI

    Sep 04, 2007· This video is of a Makino hightorque horizontal machining center plunge and helical finish boring automotive engine blocks made of Compacted Graphite Iron

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  • Milling different materialsSandvik Coromant

    Perlitic nodular cast iron is more abrasive; therefore, cast iron grades are recommended. Use PVD coated grades and wet machining for best machining capabilities. Compact graphite iron CGI

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  • MACHINING OF GRAY CAST IRONS AND COMPACTED GRAPHITE IRON

    The results show that CBN performed much better than Carbide tools when machining gray cast irons but did not work when machining CGI due to high diffusional wear. The shorter and thicker graphite flakes for one of the gray cast iron

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  • Laserassisted machining of compacted graphite iron

    Compacted graphite iron CGI is a material currently under study for the new generation of engines, including blocks, cylinder liners, and cylinder heads. Its unique graphite structure yields desirable high strength, but makes it difcult to machine, thus resulting in a machining

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  • Lubrication & Machining of Compacted Graphite Iron

    quakerchem.com 1.800.523.7010 and subsequent reaming of Grade 450 compacted graphite iron as well as a Class 40 gray cast iron. Assessment of the machinability of the metals was

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  • High speed turning of compacted graphite iron using

    Stalbaum, Tyler P., M.S.I.E., Purdue University, May, 2013. High Speed Turning of Compact Graphite Iron using Controlled Modulation. Major Professors: Srinivasan Chandrasekar and W. Dale Compton. Compacted graphite iron CGI is a material which emerged as a candidate material to replace cast iron

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  • m4sciences.com

    Enhancing Tool Life in HighSpeed Machining of Compacted Graphite Iron CGI Using Controlled Modulation Y. GuoJ. B. MannH. YeungS. Chandrasekar Received: 5 January 2012/Accepted:

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  • CASE STUDY: CRYOGENIC MACHINING OF COMPACTED

    The increasing use of Compacted Graphite Iron CGI for stateoftheart, highpowered engines has created challenges for cylinder block and cylinder head manufacturing. The highstrength CGI material wears out tools a minimum of 30% faster and has eliminated higher speed machining that was possible in Gray Iron.

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  • Lubrication & Machining of Compacted Graphite Iron

    In machining of compacted graphite iron, formation of such a layer does not occur since the normal amount of sulfur added to CGI is around 0.01%, which is approximately ten times lower than that added to gray iron

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  • "High Speed Turning Of Compacted Graphite Iron cgi Using

    Compacted graphite iron CGI is a material which emerged as a candidate material to replace cast iron CI in the automotive industry for engine block castings. Its thermal and mechanical properties

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  • Machining Compacted Graphite Iron CGIYouTube

    Sep 04, 2007· This video is of a Makino hightorque horizontal machining center plunge and helical finish boring engine blocks made of Compacted Graphite Iron

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  • Modulationassisted high speed machining of compacted

    The application of controlled, lowfrequency modulation 100 Hz superimposed onto the cutting process in the feeddirectionmodulationassisted machining MAMis shown to be quite effective in reducing the wear of cubic boron nitride CBN tools when machining compacted graphite iron CGI at high machining speeds >500 m/min.

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  • High Speed Turning Of Compacted Graphite Iron cgi Using

    HIGH SPEED TURNING OF COMPACTED GRAPHITE IRON USING CONTROLLED MODULATION . A Thesis . Submitted to the Faculty . of . Purdue University . by . Tyler Paul Stalbaum

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  • Enhancing Tool Life in HighSpeed Machining of Compacted

    Apr 29, 2012· The application of controlled, lowfrequency modulation superimposed onto the cutting processmodulationassisted machining MAMis shown to be quite effective in reducing the wear of cubic boron nitride CBN tools when machining compacted graphite iron CGI at high machining speeds >500 m/min

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  • Compacted graphite ironWikipedia

    Metallurgy. The graphite in compacted graphite iron differs in structure from that in gray iron because the graphite particles are shorter and thicker.. Applications. The first commercial application for compacted graphite iron was for the brake discs for highspeed rail trains.. More recently compacted graphite iron

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  • How to do turning in different materials

    Malleable Cast Iron MCI Compacted Graphite Iron CGI Austempered Ductile Iron ADI Cast iron is a FeC composition of Sicontent 13% and Ccontent over 2%. It is a shortchipping material with good chip control in most conditions. For the majority of cast iron materials, it is recommended to use our cast iron

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