Abrasive flow machining (AFM) is a non-traditional machining technique, which is capable of providing excellent surface finish on difficult-to-approach regions on a wide range of components. Not much research work has hitherto been reported regarding process behavior and performance improvement of AFM. This paper reports the results …Web

Abrasive media is a semi-viscous fluid and its cost is too high. Extrude Hone Corporation supplies original media and its cost is approx. Rs 1 lac/kg. ... Electrochemo-magneto abrasive flow machine setup fabrication and experimental investigation of the process alongwith mathematical modeling and optimization. Inde. J. Manage. Prod. …Web

Abrasive flow machining (AFM) was developed by Extrude Hone Corporation, USA, in 1960. Three types of AFM machines that have been reported in the literature are one-way AFM, two-way AFM, and orbital AFM. ... Magneto-rheological Abrasive Flow Finishing (MRAFF) Magneto-rheological abrasive flow finishing ... USM …Web

The abrasive flow machining (AFM) process is an advanced non-conventional finishing process, used to deburr, polish, and to remove the recast layer from the surface as well as at the edges of the components. In AFM viscoelastic media is used to finish the workpiece with close dimensional tolerance and precision.Web

Abrasive flow machining (AFM) is also one of the advanced abrasive based finishing. But the main limitation of AFM process is incapability to control the finish surface value. Deterministic control over in-process finishing forces is an important consideration for Nano-finishing with close tolerances and without damaging surface …Web

Magnetically Assisted Abrasive flow machining (MAAFM) is one of the non-conventional machining techniques that can successfully handle these problems. This process was developed in the early 2000s ...Web

Magneto-rheological abrasive finishing (MAF) of soft material using abrasives ... the cost of machining increases sharply [8][9] [10] [11][12]. To overcome these problems of conventional machining ...Web

Centrifugal force assisted modification of the abrasive flow finishing consists of a rod of different profiles placed in the medium. The rotation of this rod improved the finishing rate to nearly 80% [5, 6]. In the rotational abrasive flow machining method, the workpiece fixture was rotated externally with the help of motors.Web

Abrasive flow machining (AFM) is one of the abrasive based advanced finishing processes and one of the best processes for micro/nano-finishing the complex contours. This process includes a semi-solid abrasive laden medium was extruded under pressure through or across the surface to be machined [ 17 – 19 ].Web

Abrasive flow machining, magneto-rheological fluid, super finishing Date received: 20 November 2013; accepted: 19 May 2014 ... tional finishing processes are not cost-effective, com-pared to the ...Web

5. Magneto rheological finishing process relies for its performance on magneto rheological effect exhibited by carbonyl iron particles along with abrasive particles in non-magnetic carrier medium. So, magneto rheological fluid and its composition are crucial in MRF processes. There are basically four components in an MR fluid :- A. Base …Web

Magnetic Abrasive Flow Finishing (abbreviated as MAFF) process is an unconventional process used for internal cylindrical surface finishing, intricate and complex inside profile geometry. It is a hybrid process that gives a combined effect of AFM and …Web

Research initiatives are required to develop low cost, readily available, non-toxic and easy to prepare finishing medium. ... Vector abrasive flow machining product data sheet (2019), Kennametal Extrude Hone, Irwin, PA, USA. ... (2002) Development of magneto abrasive flow machining process. Int J Mach Tools Manuf 42(8):953–959. …Web

As shown in Fig. 1, electrochemical assistance is provided via the workpiece and conductivity of abrasive paste, and this significantly reduced the number of passes …Web

Abrasive flow machining (AFM) is one of the latest non-conventional machining processes, which possesses excellent capabilities for finish-machining of …Web

polishing costs while, at the same time, increasing production rates, improving consistency, and reducing the need for skilled ... Fig. 3. Orbital AFM (a) before start of finishing, Singh …Web

Abrasive flow machining (AFM) is a well-established advanced finishing process that can meet the required finishing requirements. However, the main …Web

The ultrasonic assisted abrasive flow machining is a new process in which the workpiece is subjected to ultrasonic vibration perpendicular to the medium flow direction [17]. In this process, a high frequency (about 5–20 kHz) with low amplitude (5–10 µm) was applied to the workpiece with the help of a piezo actuator using a specially ...Web

Since only uni-direction motion is produced by traditional abrasive flow machining (AFM), so the polishing effects of the inner hole is not easy to achieve uniform roughness of the whole surface after polishing. Therefore, in this study, a rotating device with a DC servo motor was set up in the AFM to increase the tangential forces on the …Web

As shown in Fig. 1, electrochemical assistance is provided via the workpiece and conductivity of abrasive paste, and this significantly reduced the number of passes of machining. Moving onto more niche hybridizations, Walia et al. [] introduced centrifugal force to abrasive media by inserting a centrifugal rod in the media flow path.This led to a …Web

With advent of super alloys, ceramics, polymers etc., the requirement to machine complex geometries with high accuracy needed for development of advanced finishing processes such as abrasive flow machining (AFM), magnetic abrasive finishing (MAF), magnetic float polishing (MFP), magneto-rheologica ICAAMM-2016 Hybrid …Web

The process under investigation is the combination of AFM and MAF, and is given the name magneto abrasive flow machining (MAFM). Section snippets ... A huge amount near about 40% of the total product cost, industries spend to obtain the required finish after machining. To overcome this cost various advanced processes are used. …Web

Abrasive Flow Machining (AFM) is the one of the most commonly non-conventional finishing method. ... Development of magneto abrasive flow machining process. Int. J. Mach. Tools Mf. (2002) ... Design and fabrication of a low-cost one-way abrasive flow finishing set-up using 3D printed parts. Materials Today: Proceedings, …Web

Jain et al. developed a new precision finishing process called magnetorheological abrasive flow finishing (MRAFF), which is basically a combination of abrasive flow machining (AFM) and ...Web

This study gives the detailed insight into experimental investigation involving important process parameters such as magnetic flux, extrusion pressure, no. of cycles, …Web

Abstract. Magnetorheological finishing is highly developed unconventional machining process used for nanometer range surface finishing with the help of magnetic abrasive particles. The cutting forces are generated and controlled by the magnetic field in this process, which is developed between the electromagnetic poles and magnetic …Web

Abrasive flow machining is a novel machining technique to polish, deburr and radius difficult-to-accessible surfaces. In this process small masses of work material are detached by passing semi-solid, abrasive dispersed putty (for sealing glass) or dough under pressure through or across the work piece.Web

Magneto-rheological polishing (MRP) fluid was developed by MR fluid using a magnetic field, non-magnetic abrasives such as SiC and Al 2 O 3, and carrier medium like oil.A magnetic polishing tool was developed using a super-strong permanent neodymium magnet (Nd 2 Fe 14 B) with 0.5-tesla magnetic intensity. This polishing tool was …Web

Section snippets Preparation principle. The two-dimensional schematic diagram of the spherical iron-based Al 2 O 3 magnetic abrasive preparation equipment is shown in Fig. 1. The equipment is modified from high-frequency plasma powder spheroidization equipment and consists of a gas station, a high-frequency induction …Web

polishing costs while, at the same time, increasing production ... Singh and Shan [13] developed Magneto Abrasive Flow Machining (MAFM) process to improve the material removalWeb

Abrasive Flow Machining can produce surface finishes of up to 0.05 µm, to thin out small holes with diameters of 0.2 mm, generate curved surfaces with radii ranging from 0.025 mm to 1.5 mm [12]. Fig. 1: Abrasive Flow …Web

Chahal et al. investigated the abrasive flow machining of Al-6061 alloy assisted with the electrochemical machining. It was also recommended to use hybrid abrasive flow machining to finish complex geometrical shapes for obtaining the superfinishing. It was reported that the magnetic-assisted abrasive flow machining of …Web