Electrochemical-aided abrasive flow machining (ECA2FM) process: a hybrid machining process

Brar, B. S.; Walia, R. S.; Singh, Vijay Pratap

doi:10.1007/s00170-015-6806-y

Cited by 35 publications

(17 citation statements)

References 22 publications

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“…al. [20] developed Electro chemical assisted AFM and remove the surface material by the chemical action. The researcher used this process for cylindrical workpiece.…”

Section: Orbital Afmmentioning

confidence: 99%

Various developments in Abrasive Flow Machining Process: A Review

Ali

Walia

et al. 2019

IJAPIE

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Abrasive flow machining is a nonconventional process used for polishing of metallic components, internal inaccessible cavities or recesses using a semi liquid paste. It was developed to deburr, polish the surfaces having complex geometries and edges by flowing abrasive particles with a visco-elastic nonconductive media over them. Abrasive particle sharp cutting edges remove the material by abrasion mechanism from the workpiece surface. In the recent year, work has been carryout towards the development of abrasive flow machining for achieving the higher material removal and improved surface finish. This method has a unique property of simultaneous improvement in material removal and surface finish. In this paper authors discussed about various recent developments in abrasive flow machining with major objective of improving the productivity of the process.

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“…al. [20] developed Electro chemical assisted AFM and remove the surface material by the chemical action. The researcher used this process for cylindrical workpiece.…”

Section: Orbital Afmmentioning

confidence: 99%

Various developments in Abrasive Flow Machining Process: A Review

Ali

Walia

et al. 2019

IJAPIE

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“…During finishing process, polymeric electrolyte abrasive media was forced through the slight inter-electrode opening that resulted in superior flow confliction of the polymer electrolyte media. Brar et al 31 also developed a hybrid form of electrochemical machining (ECM) and AFM process for the fine finishing of internal holes or prismatic respites. Using fabricated electrochemical-aided abrasive flow machining (ECA 2 FM) setup, they achieved higher MR due to the synergetic action of ECM and AFM processes.…”

Section: Developments In Aff Processmentioning

confidence: 99%

Recent developments in abrasive flow finishing process: A review of current research and future prospects

Sambharia

Mali

2017

Proceedings of the Institution of Mechanical Engineers, Part B:

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The abrasive flow finishing processes are advanced finishing techniques widely used as finishing solutions in high-end industries like aerospace, automobile, tool and die, and prosthetic. Abrasive flow finishing processes are mainly used for polishing, deburring, removal of cast layers, radiusing and finishing intricate shapes by flowing abrasive laden viscoelastic carrier over the surfaces to be finished. Although abrasive flow finishing have a wide range of applications and could be used in every shop floor as a finishing solution, their usage is limited owing to high initial and running costs associated with them. This article attempts to present a novel classification of abrasive flow finishing processes based upon the use of different energy and tooling, and highlights the critical research outcomes in each category. The physical abrasive flow finishing modeling, developments in abrasive flow finishing processes, and their hybridization with the other manufacturing processes are discussed. Finally, the future research challenges including the development of low-cost alternative media, development of tooling and fixture, and environmental issues in the area of abrasive flow finishing are highlighted.

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“…Dabrowski et al [8] developed electrochemical-assisted AFM for flat surfaces and obtained a significant change in material removal due to the chemical action. Brar et al [9] used this hybrid process for cylindrical surfaces and found 1.5 times improvement in the material removal.…”

Section: Introductionmentioning

confidence: 99%

Material removal analysis of hybrid EDM-assisted centrifugal abrasive flow machining process for performance enhancement

Ali

Walia

Murtaza

et al. 2020

J Braz. Soc. Mech. Sci. Eng.

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Finishing of metallic machine components is a prime requirement for the better performance and longer product life cycle. To get highly finished machine components, a number of conventional and non-conventional finishing processes have evolved in recent times to overcome constraints due to shape and properties of materials. This paper discusses a new hybrid technique, Thermal additive centrifugal abrasive flow machining (TACAFM) which is a combination of centrifugal forceassisted abrasive flow machining and electrical discharge machining (EDM) process. In this process abrasive particles move coaxially with workpiece and also rotate inside the hollow workpiece with the help of a rotating system and also generated thermal effect as in EDM process. Due to the movement of abrasive particles along with rotation, Coriolis effect plays a major role in determining the position of abrasives at any time. Therefore, in the present study, Coriolis component effect is incorporated in the mathematical model to predict the material removal in TACAFM. Also, its parameters, viz current, abrasive concentration, pressure, duty cycle, and rotation of electrode, were optimized using response surface methodology. A simulation model is also presented using Ansys ® 15 software to analyze the effect of temperature around the work surface when varying gap between the electrode and work surface along with rotational speed of electrode. Experimental results show a good agreement with the mathematical model. The experiments conducted on the developed process show average 44.34% improvement in material removal and average 39.74% improvement in surface finish, respectively.

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Electrochemical-aided abrasive flow machining (ECA2FM) process: a hybrid machining process

Cited by 35 publications

References 22 publications

Various developments in Abrasive Flow Machining Process: A Review

Various developments in Abrasive Flow Machining Process: A Review

Recent developments in abrasive flow finishing process: A review of current research and future prospects

Material removal analysis of hybrid EDM-assisted centrifugal abrasive flow machining process for performance enhancement

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