Effects of process parameters on surface roughness in abrasive waterjet cutting of aluminium

Selvan, M. Chithirai Pon; Raju, N. Mohana Sundara; Sachidananda, H. K.

doi:10.1007/s11465-012-0337-0

Cited by 55 publications

(19 citation statements)

References 14 publications

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“…Besides, this technology has many other advantages, such as: it is environmentally friendly, it does not degrade thermally the processed surface, in most of cases no additional processing is required, it allows obtaining various complex shapes (using 5-axis machines) since it is CNC controlled. However, it does has some disadvantages as the high cost of equipment, the high cost of maintenance and spare parts, the need for skilled workers, the impossibility to process pieces in package [3,4 ].…”

Section: Introductionmentioning

confidence: 99%

Considerations on material thickness influence on the AWJ processing quality of an aluminium alloy

et al. 2017

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Abstract. The aim of the current paper is to determine the influence of material thickness on the quality aspects of AWJ processing of the AL6061T651 alloy. The analysis is performed under different working conditions. The parameters taken into account to quantify the quality of processing are those defined in the ISO/WD/TC 44 N 1770 standard: width of the processed surface at the jet inlet (Li), width of the processed surface at the jet outlet (Lo), deviation from perpendicularity (u), inclination angle (Į) and roughness (Ra). The obtained results emphasise a significant influence of material thickness on both, the surface quality and process productivity.

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Section: Introductionmentioning

confidence: 99%

Considerations on material thickness influence on the AWJ processing quality of an aluminium alloy

et al. 2017

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“…Abrasive water jet machining of aluminum, grey cast iron, mild steel and composites and hard polymers has been studies extensively [1][2][3][4][5][6] for optimized material removal rate (MRR) and surface roughness (SR) using Taguchi method. Nozzle traverse speed and water pressure are significant influencing factors in case of MRR while abrasive flow rate and water pressure strongly influences SR [1][2][3][4][5]. Other parameters such as standoff distance, abrasive grit size are sub-significant in influencing MRR or SR.…”

Section: Introductionmentioning

confidence: 99%

Parametric Optimization of Abrasive Water Jet Machining of Inconel 800H Using Taguchi Methodology

Reddy¹,

Kumar²,

Rao³

2014

ujme

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Inconel 800H has got wide applications due to its resistance to high temperature, corrosion. Because of its poor machinability to process it, among nontraditional processes abrasive water jet machining is commonly used. Abrasive Water Jet Machining (AWJM) of Inconel 800H has commercial significance due to its good machining characteristics. In the present paper an attempt has been made to optimise machining parameters employed in Abrasive Jet Machining of Inconel 800H using Taguchi method. The approach used is based on the analysis of variance and signal to noise ratio (SN Ratio) to optimize the AWJM process parameters for effective Material Removal Rate (MRR) and Surface Roughness (SR). Important AWJM machining parameters such as water pressure, focussing tube size, traverse speed & abrasive flow rate were predicted for optimised MRR and SR. It was confirmed that determined optimal combination of AWJM process parameters satisfy the real need for machining of Inconel 800H in actual practice.

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“…Abrasive particles in water stream collide among themselves and that results in loosing of kinetic energy and poor quality of machined surface. [18,20] From Fig. 3 can be spotted that the quality of machined surface is greatest at the place where jet penetrates into the material (top surface), and increasingly becomes rougher and rougher as the jet aproaches to the end of material (bottom surface).…”

Section: Obtained Results During the Experimentsmentioning

confidence: 99%

Analysis of Zones Created with Waterjet Cutting of AISI 316 L Corrosion Resistant Steel

2018

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This work deals with the quality of machined surface obtained with waterjet cutting (WJC) technology, regarding the influence of selected dynamic parameters (traverse speed, abrasive mass flow rate and pressure) on the quality of machined surface. Examination presented in the work was carried out on specimens made from AISI 316L corrosion resistant steel and measured with portable surface roughness tester. Results obtained by experiment were analyzed with licensed version of software for statistical analysis Design Expert 10.

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Effects of process parameters on surface roughness in abrasive waterjet cutting of aluminium

Cited by 55 publications

References 14 publications

Considerations on material thickness influence on the AWJ processing quality of an aluminium alloy

Considerations on material thickness influence on the AWJ processing quality of an aluminium alloy

Parametric Optimization of Abrasive Water Jet Machining of Inconel 800H Using Taguchi Methodology

Analysis of Zones Created with Waterjet Cutting of AISI 316 L Corrosion Resistant Steel

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