Investigation on the effect of an auxiliary pulsing jet of water at the top side of chip during hard turning of AISI 4340 steel with minimal fluid application

Machining with minimal fluid application is a new technique for reducing the usage of cutting fluid that ensures green manufacturing on shop floor. During minimal fluid application, a high velocity minimal pulsing jet of proprietary cutting fluid was applied at the tool work interface. In the present work an auxiliary high velocity minimal pulsing jet of water was applied at the top side of the chip in addition to the pulsing jet of cutting fluid at the tool work interface during turning of hardened AISI 4340 steel. The effect of auxiliary pulsing jet of water on the top side on cutting performance is investigated in comparison with conventional turning with minimal fluid application. From the experimental results, it was observed that the presence of an auxiliary jet of water on the top side of the chip promoted chip curl by Rebinder effect. Increase in chip curl resulted in less tool chip contact length thereby reduces the friction, cutting force and cutting temperature.

[1]  Mirko Soković,et al.  Ecological aspects of the cutting fluids and its influence on quantifiable parameters of the cutting processes , 2001 .

[2]  A. S. Varadarajan,et al.  Investigations on hard turning with minimal cutting fluid application (HTMF) and its comparison with dry and wet turning , 2002 .

[3]  Yucan Fu,et al.  Experimental study on turning of TC9 titanium alloy with cold water mist jet cooling , 2011 .

[4]  Viktor P. Astakhov,et al.  Metal cutting theory foundations of near-dry (MQL) machining , 2010 .

[5]  H. Kou,et al.  Cooling effectiveness of cutting fluid in creep feed grinding , 1997 .

[6]  Junyan Liu,et al.  Research on experiments and action mechanism with water vapor as coolant and lubricant in Green cutting , 2005 .

[7]  John W. Sutherland,et al.  An Experimental Investigation of Air Quality in Wet and Dry Turning , 2000 .

[8]  Aldo Attanasio,et al.  Minimal quantity lubrication in turning: Effect on tool wear , 2006 .

[9]  A. S. Varadarajan,et al.  Influence of cutting fluid composition and delivery variables on performance in hard turning using minimal fluid in pulsed jet form , 2001 .

[10]  Li Zhang,et al.  Study on lubricating characteristic and tool wear with water vapor as coolant and lubricant in green cutting , 2007 .

[11]  J. Lebrun,et al.  An experimental study of the effect of high-pressure water jet assisted turning (HPWJAT) on the surface integrity , 2011 .

[12]  Bo Lindström,et al.  The effect of restricted contact length on tool performance , 1995 .

[13]  L. De Chiffre,et al.  Cutting tools with restricted contact , 1982 .

[14]  Robert H. Lochner,et al.  Designing for Quality , 1990 .

[15]  A. S. Varadarajan,et al.  The effect of an auxiliary pulsing jet of cutting fluid on cutting performance during hard turning with minimal fluid application , 2012 .