Development of magneto abrasive flow machining process

Development of magnetorheological finishing mrf process. Singh s, shan hs 2002 development of magneto abrasive flow machining process. Abrasive flow machining afm is a relatively new process among nonconventional machining processes. Prediction of surface roughness in magneto rheological. Abrasive flow machining afm is one of the latest nonconventional machining. Low material removal rate happens to be one serious limitation of almost all such processes. With the use of magnetic field around the work piece in abrasive flow machining, we can increase the material removal rate as well as the surface finish.

In this models, the parameters such as hydraulic pressure, current to the electromagnet and number of cycles were taken as variables of the model. The reasons for developing a hybrid machining process is to make use of combined or mutually enhanced advantages and to avoid or reduce. Magnetic abrasive flow machining machining abrasive. Our afm autoflow process provides greater control of the abrasive flow machining process to enhance the predictability of your production system, and help control production costs and quality. Recent developments in abrasive flow finishing process. Magneto abrasive flow machining mechanical project topics. Low material removal rate happens to be one serious. A new magnetic abrasive medium, using silicone gel to. Abrasive flow machining afm is one of the latest nonconventional machining processes, which possesses excellent capabilities for finishmachining of. Extrude hone corporation, usa, originally developed the afm process in 1966. This fluid is typically very viscous, having the consistency of. Taguchis quality engineering approach has been applied to the developed hlxafm process, leading to the optimization of various process parameters and thus the development of a robust machining process with significantly enhanced material removal. Hence, it is required to identify various hybrids of abrasive flow machining which involve the development of new process having high material removal, optimum surface finish and better type of fixturing during the finishing operation. Water jet machining wjm also called water jet cutting, is a nontraditional machining process in which highvelocity jet of water is used to remove materials from the surface of the workpiece.

Study on key parameters of a new abrasive flow machining afm. The modified process is termed as helical abrasive flow machining process hlxafm. Modeling and cfd simulation of abrasive flow machining. In recent years, hybridmachining processes have been developed to improve the efficiency of a process by clubbing the advantages of different machining processes and avoiding limitations. We can supply a full range of machines, tooling and fixtures, application development, part processing services, abrasive compounds, electrolytes, and product support services. Development of hybrid forms of abrasive flow machining. In this study, to predict the surface roughness of stainless steel304 in magneto rheological abrasive flow finishing mraff process, an artificial neural network ann and regression models have been developed.

Design and development of fixture and modification of existing afm. Development of magneto abrasive flow machining process. In the present study, the abrasive flow machining was hybridized with the magnetic force for productivity enhancement in terms of material removal mr. The orbital flow machining process has been recently claimed to be another improvement over afm which performs threedimensional machining of complex components. Advanced nontraditional machining processes 301 employed for finishing purposes, like abrasive flow machining afm, magnetic abrasive flow machining mafm, magnetic abrasive finishing maf, magnetic float polishing mfp, magneto rheological abrasive flow finishing mraff, elastic emission machining eem and ion beam machining ibm. The effect of parameters on the performance of the. Magneto abrasive flow machining to increase material removal. Water jet machining working principle, advantages and. Abrasive flow machining afm was developed in 1960s as a method to deburr, polish, and radius difficult to reach surfaces like intricate geometries and edges by flowing a abrasive laden viscoelastic polymer over them. In machining where did the term hemstitching come from.

In abrasive flow machining afm, an abrasive mixture and a polymer of special rheological properties is forced through a restricting medium. A presentation on abrasive flow machining with process and working slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. A robust helical abrasive flow machining hlxafm process. With the use of uniform magnetic field around the work piece in abrasive. This fluid is typically very viscous, having the consistency of putty, or dough. This paper discusses the possible improvement in surface roughness and material removal rate by applying a magnetic field around the workpiece in afm. Magnetic fields have been successfully exploited in the past, such as machining force in magnetic abrasive finishing maf, used for micro machining and finishing of components, particularly circular tubes. Singh and shan developed magneto abrasive flow machining mafm process to improve the material removal rate and reduces surface roughness by applying a magnetic field around the workpiece. The results indicate that the densification increases and porosity decreases with increasing temperature. Development of a new internal finishing of tube by magnetic abrasive finishing process combined with electrochemical machining. Study of tool wear and overcut in edm process with rotary. Creates a more uniform flow of media over long passages, complex shapes and multipart fixtures. Abrasive machining involves material removal by the action of hard, abrasive particles.

Modeling and cfd simulation of abrasive flow machining process. They are important because introduction they can be used on all types of materials ranging from soft metals to hardened steels and hard nonmetallic materials such as. The orbital flow machining process has been recently claimed to be another improvement over afm, which performs threedimensional machining of complex components. This results the abrasive mixture and the polymer to act as a selfforming tool which precisely removes the material of the work piece and improves the surface finish. I needed the full details of the topic magneto abrasive flow machining for my seminars i also want the information about the recent new development of this. The use of abrasives to shape parts is probably the oldest material removal process. Magnetic field assisted abrasive flow machine based. Let winbro flow grinding be your solution provider for all your flow grinding and electrolytic deburring needs. Development of hybrid forms of abrasive flow machining process. Anova technique has been used to identify the most significant parameters magnetic flux density. Seminar on magneto abrasive flow machining mafm free report. Effect of process variables in abrasive flow machining. Experimental study on the effect of finishing parameters.

Development of magneto abrasive flow machining process 1. Tool wear and workpiece overcut have been studied in electrical discharge machining process with rotational external magnetic field and rotational electrode. The only waste produced in every machining process is. The reasons for developing a hybrid machining process is to make use of.

Magnetorheological abrasive flow finishing process provides better control over rheological properties of abrasiveladen finishing medium that exhibits changes in rheological behavior in the presence of external magnetic field. Abrasive flow machining afm, also known as abrasive flow deburring or extrude honing, is an interior surface finishing process characterized by flowing an abrasiveladen fluid through a workpiece. Abrasive flow machining process advanced abrasive flow machining afm. In order to cut harder materials like metals or granite, an abrasive material is mixed in the water. Modeling of surface generation and process monitoring of afm was conducted by williams and rajurkar during the late 1980s. If you continue browsing the site, you agree to the use of cookies on this website. Surface roughness reduction, tool life increase, and grinding power reduction depend on the lubricating process fluids for abrasive. Productivity, tool life, and workpiece quality are the most important criteria for process fluid selection. The process fluid fulfills the roles of lubricating, process cooling, bulk cooling, flushing, and cleaning in the abrasive machining process. Relationships are developed between the material removal rate and the percentage improvement in surface roughness of brass components when finishmachined by this process.

In the present era, the demand of products with better surface finish and quality has improved drastically which promoted the industries to make their products with better functional performance and sustainability in the market. Study on development of magneto abrasive flow machining process by sehijpal singh, h. Preparation, microstructure evaluation, and performance. The waste, and amount of waste, from a machining process depends entirely on the material being machine and the specific process. Hybrid magnetic force assistant abrasive flow machining. These processes can be classified as hybrid machining processes hmpa recent concept in the advancement of. Experiments have been divided to three main regimes, namely, lowenergy regime, middleenergy regime, and highenergy regime. Magnetic abrasives are emerging as important finishing methods for metals and ceramics. International journal of mechanical engineering and applications. Maf is process in which mixture of non ferromagnetic abrasive and feromagnetic iron particle is taken and magnetically energized using a magnetic field. A set up has been developed for a composite process termed magneto abrasive flow machining mafm. The influence of process parameters were investigated on electrode wear rate and overcut. Finally, the future research challenges including the development of lowcost alternative media, development of tooling and fixture, and environmental issues in the area of abrasive flow finishing are highlighted. Magneto abrasive flow machining mafm is a new technique in machining.

These magnetic abrasives were microstructurally examined. Afm in automotive industry enhanced uniformity and surface quality of finished components increased engine performance increased flow velocity and volume improved fuel economy and reduced emissions extended work piece life by reducing wear and stress surfaces figure. Development of a new internal finishing of tube by. Magneto abrasive flow machining is a new development in afm. The working gap between the work piece and a magnet is filled with magnetic abrasive particle maps. Non conventional machining is a recent development in machining techniques. Magneto abrasive flow machining mafm is a new technique in machining the orbital flow machining process has been recently claimed to be another improvement over afm which performs threedimensional machining of. Development of magneto abrasive flow machining process, international journal of machine tool and manufacture,42,2002,953959. The project report shall be computer typed english british, font times roman, size12. A setup has been developed for a composite process termed magneto abrasive flow machining mafm, and the effect of key parameters on the performance of the process has been studied.

Study on influential parameters of hybrid afm processes. Wjm can be used to cut softer materials like plastic, rubber or wood. Limited efforts have hitherto been directed towards. Based on the application, three different types of machines have been reported i. Abrasive flow machining afm was developed in 1960s as a method to deburr, polish, and radius difficult to reach surfaces like intricate geometries and edges by flowing a abrasive laden. Grains in the same direction to increase flow rates. Development of magneto abrasive flow machining process development of magneto abrasive flow machining process singh, sehijpal. The process under investigation is the combination of afm and maf, and is given the name magneto abrasive flow machining mafm. Pdf development of magneto abrasive flow machining process development of magneto abrasive flow machining process. Moreover, the prepared bonded magnetic abrasives has potential performance as a new magnetic abrasives for fine finishing in magnetic abrasive flow machining mafm process. Abrasive flow machining afm is a relatively new process among non conventional machining processes.