New bearing technology cuts friction
<p style="margin:0px 0px 10px;padding:0px;border:0px currentColor;border-image:none;color:#111111;text-transform:none;line-height:20.8px;text-indent:0px;letter-spacing:normal;font-family:"Helvetica Neue", HelveticaNeue, Helvetica, Arial, "Lucida Grande", sans-serif;font-size:16px;font-style:normal;font-weight:400;word-spacing:0px;vertical-align:baseline;white-space:normal;orphans:2;widows:2;font-stretch:inherit;background-color:#FFFFFF;font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;font-variant-numeric:inherit;font-variant-east-asian:inherit;">
<span style="color:#000000;font-family:Arial;font-size:12px;">Following last year´s debut of Irox 2 for light vehicle engine bearings,</span><span style="color:#000000;font-family:Arial;font-size:12px;"> </span><a style="font:inherit;margin:0px;padding:0px;outline:0px;border:0px currentColor;border-image:none;color:#1D4B7B;text-decoration:none;vertical-align:baseline;font-size-adjust:inherit;font-stretch:inherit;" href="http://www.federalmogul.com/" target="_blank"><strong style="margin:0px;padding:0px;border:0px currentColor;border-image:none;line-height:inherit;font-family:inherit;font-size:inherit;font-style:inherit;font-variant:inherit;font-weight:bold;vertical-align:baseline;font-stretch:inherit;"><span style="color:#000000;font-family:Arial;font-size:12px;">Federal-Mogul Powertrain</span></strong></a><span style="color:#000000;font-family:Arial;font-size:12px;"> </span><span style="color:#000000;font-family:Arial;font-size:12px;">is now launching its new high performance polymeric coating for heavy-duty applications. Irox 2 provides enhanced seizure and fatigue performance, especially with steel crankshafts. It is part of Federal-Mogul¡¯s family of Irox technologies which reduce friction, enabling the use of lower viscosity oils. Irox 2 is already in series production in light vehicle engines. The first heavy-duty projects have been nominated after successful tests.</span>
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<img alt="" src="http://www.bearing.com.cn/membcentre/editor/attached/image/20181229/20181229144943_56606.jpg" />
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<span style="color:#000000;font-family:Arial;font-size:12px;">¡°Irox 2 extends the working range to fatigue load levels in the region of 100MPa, that traditionally required expensive PVD coated bearings,¡± explained Gian Maria Olivetti, Chief Technology Officer, Federal-Mogul Powertrain. ¡°By reducing friction, the Irox bearing coatings also help to lower fuel consumption and CO2 emissions. Evaluation using specific in-house developed test rigs showed that the reduction in friction when using Irox-coated bearings is bigger than that obtained by changing from 5W30 to 0W20 oil.¡±</span>
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<span style="color:#000000;font-family:Arial;font-size:12px;">While Irox was developed for crankshafts with a standard surface finish, Irox 2 is intended for crankshafts with extra smooth finish running with thinner oils. Due to its high adaptability, the polymeric coating material provides superior engine running-in characteristics. Compared to aluminium-based materials, which are also starting to establish themselves in the heavy-duty sector, both polymer coatings give reduced friction and greater wear resistance. In comparison to Irox, Irox 2 features further enhanced seizure and fatigue performance. </span>
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<span style="color:#000000;font-family:Arial;font-size:12px;">¡°Both coatings, Irox and Irox 2, are available for aluminium and bronze bearing materials for light and heavy-duty engines,¡° said Stefan Rittmann, Director of Technology, Bearings, Federal-Mogul Powertrain. ¡°They are particularly effective in hybrid and start/stop applications that place additional demands on bearings through frequent re-starting. The overlay is a PAI (Polyamide-imide) polymer resin binder containing a number of additives dispersed throughout the matrix. Developing Irox 2 involved modification of the binder system on a molecular level, coupled with subtle changes to the composition. For example, compared to Irox, Irox 2 contains no silicon carbide particles and has a higher content of a synergistic mixture of solid lubricants.¡±</span>
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29 Dec,2018
