Review of Superfinishing by the Magnetic Abrasive …

MAF process, unbonded magnetic abrasive powder was used. Iron powder with a mesh size of #400 and alumina ... abrasive to the MAF process for finishing the surface of

Magnetic Abrasive Finishing Process

The demand for high finish with accuracy combined with difficulty to finish components by conventional methods lead to the growth of advanced finishing processes. Magnetic abrasive finishing process is an advanced finishing process capable of finishing, deburring and precision chamfering of components. Magnetic abrasive finishing process can economically …

Experimental comparison of unbonded, agglutinated and …

A high surface finish is obligatory in a few components. The objective of this research is to compare and analyze the internal surface finish obtained by unbonded, agglutinated, and sintered silicon carbide (SiC) based magnetic abrasives in aluminum pipes using magnetic abrasive finishing process.

Influence of Process Parameters and Initial Surface on Magnetic …

Magnetic abrasive finishing (MAF) shows a high potential for use on computerized numerical control (CNC) machine tools as a standard tool to polish workpieces directly after the milling process. This paper presents a new MAF tool with a single, large permanent magnet and a novel top cover structure for finishing the plain ferromagnetic …

Nano-finishing of BK7 optical glass using magnetic abrasive finishing

BK7 is an optical glass extensively used in lens manufacturing. In this work, magnetic abrasive finishing (MAF) method was utilized for finishing of this hard-to-machine material and the effect of various process parameters on surface roughness was investigated using response surface methodology. The best surface roughness value achieved was 23 nm. Among various …

Electrolytic magnetic abrasive finishing process – A review

The electrolytic magnetic abrasive finishing process (EMAF) is hybrid machining, which combines electrochemical machining (ECM) with the magnetic abrasive …

Study on the magnetic abrasive finishing process using …

With the development of semiconductors, optics, aerospace, and other fields, the requirements for surface finish are constantly increasing. Correspondingly, there are higher requirements for machining technology [], abrasive-cutting process [2, 3], finishing process, etc.The magnetic abrasive finishing (MAF) process is considered to be one of the …

Magnetic Abrasive Finishing Process | SpringerLink

Magnetic abrasive finishing process is an advanced finishing process capable of finishing, deburring and precision chamfering of components. Magnetic abrasive finishing …

Study on Elucidation of the Roundness Improvement …

The magnetic abrasive finishing process using the magnetic machining tool was proposed to finish the internal surface of the thick tube (the thickness of the tube is 5~30 mm). It has been proved that this process can improve the roundness while improving the roughness. In this paper, we mainly study the machining mechanism of roundness …

A review on magnetically assisted abrasive finishing and …

Magnetically assisted abrasive finishing (MAAF) processes are the precision material removal processes that have been applied to a large variety of materials from brittle to …

A review on magnetic abrasive finishing

Magnetic abrasive finishing (MAF) has attracted much attention as an advanced nano-finishing technology in achieving high-quality surface for finishing superalloys, composites, and ceramics. ... ical role in finishing process [26], as shown in Fig. 3.The Fig. 1 …

Uniform Internal Finishing of SUS304 Stainless Steel Bent …

This research studies the factors affecting the conditions required for successful uniform internal finishing of SUS304 stainless steel bent tube by a Magnetic abrasive finishing process. In particular, the effects of the magnetic field and ferrous particles were investigated. Local intensification of the magnetic field is accomplished by offsetting the axis …

Development of mathematical model for material removal …

A magnetic abrasive finishing (MAF) process is the one in which material is removed in such a way that surface finishing and deburring are performed simultaneously with the applied magnetic field ...

A review on magnetic abrasive finishing

The surface roughness is a vital parameter to evaluate finishing ability. By establishing a prediction model of workpieces' surface roughness, influences of the abrasive size, spindle speed, machining gap, and magnetic flux density on roughness changes are explored to achieve the objective …

Study on the magnetic abrasive finishing process using …

In order to achieve the finishing of complex microsurface, the magnetic abrasive finishing process using alternating magnetic field was proposed. In this paper, the mechanism of the magnetic abrasive finishing process using alternating magnetic field was investigated. At the same time, the influence of magnetic particle size and magnetic field frequency on …

Study on the magnetic abrasive finishing combined with …

Magnetic abrasive finishing (MAF) process, a kind of non-traditional precision processing technology, is widely used in semiconductors, optics, aerospace, biological engineering, etc. [1,2,3,4,5,6,7,8,9].Because the magnetic field has penetrating characteristics, the MAF process can not only be used in finishing the outer surface of the workpiece but …

Investigation on the Finishing Characteristics of a …

The magnetic abrasive finishing (MAF) process is an ultra-precision surface finishing technology. In order to further improve the finishing efficiency and continuity, a magnetic abrasive finishing process using the …

Finishing mechanism modelling on magnetic abrasive finishing …

Efficiency and precision are two key indicators in the magnetic abrasive finishing (MAF) process. This paper presents the design of a core-shell structured magnetic abrasive particles (MAPs) with enhanced magnetic saturation rate and improved morphology. In addition, a processing roughness model based on indentation theory was developed by …

A review on magnetic abrasive finishing

This paper provides a comprehensive review on MAF process which is mainly organized by different six sections, including MAF principles, magnetic abrasive preparation, MAF tools, …

Recent Advancements in Magnetic Abrasive Finishing: a

In this paper, recent trends in the magnetic abrasive finishing process are presented along with a critical review. The review includes MAF principles, tools, hybridization, modeling, and …

Numerical-experimental study on polishing of silicon wafer …

Magnetic Abrasive Finishing (MAF) process is one of these processes used for polishing of both ferrous and non-ferrous materials. In this technique, a magnetic force is applied in the finishing area to allow the abrasive particles to shear-off the material from the workpiece surface in microchips form.

Parametric study of magnetic abrasive finishing process

The schematic diagram of the plane magnetic abrasive finishing apparatus is shown in Fig. 3 a. In this process, the magnetic flux density of 0–0.44 T is used in the working gap of 1.00–2.00 mm.The magnetic flux density in the working gap is varied by changing input current to the electromagnet, and it is measured by using a digital Gauss meter (model DGM …

MAGNETIC ABRASIVE FINISHING | PPT

MAGNETIC ABRASIVE FINISHING - Download as a PDF or view online for free. ... 325-328. V. K.singh, et al. "Effect of working gap and circumferential speed on the performance of magnetic abrasive finishing process." Wear 250.1 (2001): 384-390 Chang, Geeng-Wei, Biing-Hwa Yan, and Rong-Tzong Hsu. ...

A review on micro finishing by magnetic abrasive finishing: …

Magnetic abrasive finishing (MAF) is the non – conventional finishing process in which workpiece is kept between the two poles (North & South) of magnet, to achieve the high surface finishing. This is being controlled by the magnetic field either induced by the help of permanent magnet or electro-magnet.

Surface roughness modelling for Double Disk Magnetic Abrasive Finishing

1. Introduction. Magnetic Abrasive Finishing (MAF) process is a super finishing process and is in its early stage of development. The MAF process employs a resilient multipoint cutting tool that applies force of very small magnitude [1], thus overcoming the defects like micro-cracks, geometrical errors and distortions which are present with the conventional super …

Investigation of Finishing Aluminum Alloy A5052 Using the Magnetic …

The magnetic abrasive finishing combined with electrolytic (EMAF) process was proposed to improve the finishing efficiency of the traditional magnetic abrasive finishing (MAF) process. Since the EMAF process contains electrolysis reactions, the machining mechanism of processing different metal is different. In this paper, a series of experiments …

Achieving in-situ Fe-based spherical particles for magnetic abrasive

The magnetic abrasive powders have great influence on the magnetic abrasive finishing accuracy and efficiency. A new kind of Fe-based spherical magnetic abrasive particles with Fe 2 N precipitates and Fe 4 N matrix was successfully synthesized by gas nitriding. The results show that the prepared Fe-based magnetic abrasive particles can reduce the …

Application of Magnetic Abrasive Finishing Process Using …

In previous studies, it has been verified that the magnetic abrasive finishing process using alternating magnetic field can achieve higher finishing efficiency and surface quality, and nanolevel finishing of 5052 aluminum alloy material and SUS304 stainless steel material has been realized. In this study, the feasibility for ultra-precision finishing of …

Development of a New Finishing Process Combining a Fixed Abrasive …

High quality, highly efficient finishing processes are required for finishing difficult-to-machine materials. Magnetic abrasive finishing (MAF) process is a finishing method that can obtain a high accuracy surface using fine magnetic particles and abrasive particles, but has poor finishing efficiency. On the contrary, fixed abrasive polishing (FAP) is a polishing …

Modeling of material removal mechanism on free-form surface in magnetic

Magnetic Abrasive Finishing (MAF) process is an advanced finishing process to improve the surface quality of products by using abrasive brush formed by magnetic abrasives [12]. As a precision machining method with wide application range, strong adaptability, strong controllability and high processing efficiency, MAF can realize the finishing of ...

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