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Magneto Abrasive Flow Machining
20-09-2008, 10:49 PM
Post: #1
Magneto Abrasive Flow Machining
The recent increase in the use of hard, high strength and temperature resistant materials in engineering necessitated the development of newer machining techniques. Conventional machining or finishing methods are not readily applicable to the new materials like hastalloy, nitralloy, waspalloy, nimonics, carbides, ceramics etc.


Conventional machining processes when applied to these newer materials:
1. Are uneconomical,
2. Produce poor degree of surface finish and accuracy,
3. Produce some stress,
4. Highly insufficient.

Newer machining processes may be classified on the basis of nature of energy employed. Abrasive flow machining (AFM) is relatively new process among non-conventional machining processes. Low material removal rate happens to be one serious limitation of almost all processes. Magneto abrasive flow machining is a new development in AFM.
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. The various parameters and their effects on the performance of magneto abrasive flow machining have been presented.


?
Q
21-07-2010, 08:49 PM
Post: #2
RE:
can u plz send the detailed ppt and report on the seminars topic '' Magneto Abrasive Flow Machining''
?
Q
22-07-2010, 06:06 PM
Post: #3
RE: Magneto Abrasive Flow Machining
Development of magneto abrasive flow machining process
Abrasive flow machining (AFM) is a relatively new process among non-conventional machining processes which usually have low material removal. Efforts are on for achieving higher material removal rates by applying different techniques. This article discusses applying a magnetic field around the workpiece in AFM for higher material removal rate. magneto abrasive flow machining (MAFM) is discussed. AFM has excellent capabilities for finish-machining of inaccessible regions of a component.

Experimental set-up
An experimental set-up for developing MAFM contained two cylinders containing the medium along with oval flanges , mainly for clamping of the fixture that contains the workpiece . The set-up is integrated to a hydraulic press. The flow rate of the medium was varied by changing the speed of the press drive and an auxiliary hydraulic cylinder allowed pressure change. The resistance provided by this cylinder is adjustable and can be set to any desired value with the help of a modular relief valve . The stroke length is controlled with the help of a limit switch. Two strokes make up one cycle.

The fixture
nylon,is used because it allows electromagnet poles such that the maximum magnetic pull occurs near the inner surface of the workpiece.

The electromagnet
the cylindrical workpiece was surrounded by the electromagnet. two poles that are surrounded by coils arranged are present in it.

The abrasive medium
a silicon-based polymer, hydrocarbon gel and the abrasive grains are used as the abrasives.

for the full report, visit this link:
http://www.sharingmatrix.com/file/140976...hining.pdf
?
Q

Marked Categories : mafm ppt, magneto abrasive flow maching, magneto flow machining, seminar topics on non conventional machining, abrasive flow machining pdf, machining, various parameters and their effects on the performance of magneto abrasive flow machining, abrasive flow machining latest development, magnetic abrasive flow machining pdf, seminar on magneto abrasive flow machining, magneto abrasive flow machinig, magneto abrasive flow machining, magneto abrasive flow machining process, magneto abrasive flow machining pdf, magneto abrasive flow machining ppt, abrasive flow machining ppt, abstract of magneto abrasive flow machining, magneto abrasive flow machine pdf,

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