By M. Marcos, J. A. Sanchez, J. Salguero
This paintings offers the newest Advances in Non-Conventional fabrics Processing applied sciences offered on the 4th production Engineering Society foreign convention (MESIC2011), held in the course of September 2011 in Cadiz, Spain. right here, Forming, Simulation, Laser, Water-Jet, swift Prototyping, WEDM, Grinding and Additive production applied sciences are, between others, the most issues to be present in this publication, that is aimed in particular at production engineers who paintings within the above fields.
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M. A. Sánchez and J. Salguero 1,2 3,4 1 3,2 3 0,6 T=25ºC 0,4 T=350ºC 0,2 T=450ºC ε ε 0,8 2,8 T=25ºC 2,6 2,4 T=350ºC T=450ºC 2,2 2 0 1 2 3 4 5 6 Distance (mm) 0 7 a) Total equivalent plastic strain (N0) 150 140 130 T=25ºC 120 T=350ºC 110 T=450ºC 100 1 2 3 4 5 6 Distance (mm) 7 b) Total equivalent plastic strain (N2) Hardness (HV) 0 Hardness (HV) 35 150 140 130 T=25ºC 120 T=350ºC 110 T=450ºC 100 0 2 4 6 8 0 Distance (mm) 2 4 6 8 Distance (mm) c) Vickers micro-hardness (N0) d) Vickers micro-hardness (N2) Fig.
This could be because for a constant jet velocity, an increased jet pressure causes more energy release by the abrasives on the target area. Also the dynamic behavior of water plays a role as the energy fluctuations increase with increasing water pressure . Effect of Cutting Parameters on Kerf Geometry In AWJ cutting, the cutting power of the jet decreases from the top to the bottom of the cut surface. This leads to the formation of a tapered slot with the top kerf Wt being wider than the bottom kerf Wb.
The main input parameters that govern these outputs are jet pressure, water flow rate, mixing tube geometry, abrasive flow rate, abrasive particle properties, standoff distance, and traverse speed. Traverse speed/cutting speed must be optimized to ensure full depth of cut as well as acceptable kerf geometry since both tend to suffer with increase of cutting speed . M. A. Sánchez and J. Salguero 39 Cutting Parameter Selection Standoff distance, traverse speed jet pressure, water flow rate, mixing tube geometry, abrasive flow rate and abrasive particle properties are certain parameters plays vital role to achieve high quality and productivity.
Advances in Non Conventional Materials Processing Technologies by M. Marcos, J. A. Sanchez, J. Salguero