High Energy Fluid Jet Machining (HEFJet-Mach): From scientific and technological advances to niche industrial applications

Axinte, Dragoş; Karpuschewski, Bernhard; Kong, M.C.; Beaucamp, Anthony; Anwar, Saqib; Miller, Donald S.; Petzel, M.

doi:10.1016/j.cirp.2014.05.001

Cited by 96 publications

(39 citation statements)

References 109 publications

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“…In this process, the mechanical energy of water and abrasive particles is used to cut the material by means of erosion. AWJ can be used to cut virtually any engineering materials, such as alloys, ceramics, glasses and composite materials, regardless of their properties [3]. Finnie [4] proposed a micromachining mechanism as a model of erosion for ductile metals by a single solid particle.…”

Section: Introductionmentioning

confidence: 99%

“…For the titanium alloys, AWJ cutting can generate parts that are free of heat-affected zones with higher fatigue performance [3]. It has been regarded as a key enabling technology for machining parts made of difficult-to-cut materials.…”

Section: Introductionmentioning

confidence: 99%

“…Although there have been a large amount of research effort made to understand the process and to improve its cutting performance, the cutting capacity of this technology in terms of depth of cut (or depth of jet penetration) and kerf quality is still the major obstruction that limits its applications [12]. As AWJ cutting is a dwell-time-dependent process, the material removal is related to the energetic parameters and the kinematic variables [3]. There is a need to investigate the relationship between the process parameters and cutting depth in order to enable the process control and optimisation [17,18].…”

Section: Introductionmentioning

confidence: 99%

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An experimental study of abrasive waterjet machining of Ti-6Al-4V

Wang

2015

Int J Adv Manuf Technol

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This paper presents an experimental study on abrasive waterjet (AWJ) machining of the most commonly used titanium alloy, Ti-6Al-4V. Two types of machining operations, i.e. drilling (or piercing) and slotting, were conducted. For the drilling experiments, the influences of water pressure and drilling time were investigated. It was found that both the hole depth and diameter increased as drilling time increased but in a decreasing rate. An increase in the water pressure increased both the hole depth and the hole diameter. For the slot cutting, the influence of water pressure and the traverse speed were investigated. A slower traverse speed resulted in a deeper depth of cut. The kerf showed a taper shape with a wider entry on top, and the width decreased as jet cut into the material. At the bottom of the kerf, a pocket was generated. The variation of the depth of cut became insignificant when the traverse speed was increased.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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An experimental study of abrasive waterjet machining of Ti-6Al-4V

Wang

2015

Int J Adv Manuf Technol

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“…Axinte et. all [13] discussed science and industrial aspects of WJM together with the technological advances. Junkar et.…”

Section: Introductionmentioning

confidence: 99%

Investigation of Surfaces after Non Conventional Machining

Mičietová

Neslušan

Čilliková

2016

Technological Engineering

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This paper deals with analysis of surface integrity of steel after electro discharge machining (EDM), water jet machining, (WJM) laser beam machining (LBM) and plasma beam machining (PBM). The paper discusses surface integrity expressed in surface roughness, sample precision expressed in perpendicularity deviation as well as stress state. This study also demonstrates influence of the various non-conventional methods on structure transformations and reports about sensitivity of the different nonconventional methods of machining with regard to variable thickness of machined samples.

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“…Like other non-conventional machining methods, AWJ machining is a tool-free (i.e. uses a jet plume instead of a contact tool) technique that is cost efficient [1], but it also has other important advantages such as low cutting forces [2], a non-existent heat-affected zone and the ability to erode almost any material, independent of its properties [3,4]. The AWJ cutting process consists of a high-speed waterjet that accelerates abrasive particles to velocities of up to 750 m s −1 [5], depending on the pressure of the pump.…”

Section: Introductionmentioning

confidence: 99%

Stochastic simplified modelling of abrasive waterjet footprints

2016

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Abrasive micro-waterjet processing is a nonconventional machining method that can be used to manufacture complex shapes in difficult-to-cut materials. Predicting the effect of the jet on the surface for a given set of machine parameters is a key element of controlling the process. However, the noise of the process is significant, making it difficult to design reliable jet-path strategies that produce good quality parts via controlled-depth milling. The process is highly unstable and has a strong random component that can affect the quality of the workpiece, especially in the case of controlled-depth milling. This study describes a method to predict the variability of the jet footprint for different jet feed speeds. A stochastic partial differential equation is used to describe the etched surface as the jet is moved over it, assuming that the erosion process can be divided into two main components: a deterministic part that corresponds to the average erosion of the jet and a stochastic part that accounts for the noise generated at different stages of the process. The model predicts the variability of the trench profiles to within less than 8%. These advances could enable abrasive micro-waterjet technology to be a suitable technology for controlled-depth milling.

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High Energy Fluid Jet Machining (HEFJet-Mach): From scientific and technological advances to niche industrial applications

Cited by 96 publications

References 109 publications

An experimental study of abrasive waterjet machining of Ti-6Al-4V

An experimental study of abrasive waterjet machining of Ti-6Al-4V

Investigation of Surfaces after Non Conventional Machining

Stochastic simplified modelling of abrasive waterjet footprints

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