unidirectional abrasive flow machining patent

Reversible unidirectional abrasive flow machining ...

Dec 10, 1991· unidirectional abrasive flow machining is achieved by a pair of extrusion chambers, whereby a first workpiece is fixtured to a first of said chambers and an abrasive medium is extruded from the first chamber through the first workpiece, and upon exiting the first workpiece, is allowed to fall into and be collected within the second chamber.

get price

Experimentation of Abrasive flow machining

3.3 Machining - Abrasive Flow machining (AFM) is a non-traditional machining process that may be used to deburr, radius, polish, remove recast layers, and to produce compressive residual stresses. It is a process of polishing and smoothening internal surfaces and thereby producing controlled radii. The abrasive media is flown across the

get price

A Review on Magnetic Assisted Abrasive Flow Machining (MAAFM)

[12] Rhodes L.J., Kohut T.A., Reversible Unidirectional AFM US Patent . number 5,070,652, Dec10th 1991. [13] Singh S and Shan HS. ... Abrasive Flow Machining (AFM) was developed in 1960s as a ...

get price

About Us | Winbro Flow Grinding

The President and Founder of Winbro Flow Grinding, has decades of experience with the abrasive flow machining and electrochemical deburring. As a co-founder and former President of Dynetics Corp., he led the development of Dynaflow® abrasive media, the Dynastream® process for fuel injector nozzles, and Chemtool® electrochemical deburring ...

get price

Analysis of SS316L by using F low

Fig.11.Unidirectional AFM process. Fig. 12. Orbital AFM (a) before start of finishing, (b) while finishing. Fi g .13. Formation of Magnetic Abrasive Flexible Brush ... D.W., Unidirectional abrasive flow machining, US patent number 5,367,833, Nov 29th, 1994. [5]. Kumar SS, Hiremath SS (2016) A review on abrasive flow machining (AFM). Procedia ...

get price

Abrasive Flow Machining ( AFM )

One-way flow AFM processing pushes abrasive media through the work piece in ... Unidirectional abrasive flow machining, US patent ... flow machining,Manufacturing Engineering, (1988), pp.75-78. Williams R.E., Acoustic Emission Characteristics of Abrasive Flow Machining,Transaction of the ASME, 120, (1998), 264- 271.

get price

(PDF) Abrasive flow machining (AFM): An Overview

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 ...

get price

A Review on Abrasive Flow Machining (AFM) - ScienceDirect

Rhoades LJ, Kohut TA and Nokovich NP. Unidirectional abrasive flow machining. Patent number 5367833,USA, 29 November 1994. [4] Rhoades LJ and Kohut TA. Reversible unidirectional AFM. Patent number 5,070,652, USA, 10 December 1991. [5] ... S.H. PaiStudy of the rheological properties and the finishing behavior of abrasive gels in abrasive flow ...

get price

Abrasive Flow Machining: An Area Seeking for Improvement

Abrasive flow machining (AFM) is an abrasive machining process used to machine internal geometries like bores in terms of deburring and finishing the surface with high performance.

get price

Pressure Variation in Abrasive Flow Machining: Modelling ...

Abrasive flow Machining is a potential method for achieving surface finish up to Nano level. The requirement of improved surface finish has increased with the advancement of technologies which has led to the development various hybrids of abrasive flow machining…

get price

Developments in abrasive flow machining: a review on ...

The abrasive flow machining (AFM) technique uses a self-deforming tool, an abrasive laden media that is passed back and forth in the passage geometry of the hollow workpiece with the assistance of two hydraulically operated cylinders placed opposite to each other.

get price

Journal Publications - Harlal Singh Mali

Mali, Harlal Singh and Manna, Alakesh, 2010 "Optimum selection of abrasive flow machining conditions during fine finishing of Al/15 wt.% Sic-MMC using Taguchi method" International Journal of Advanced Manufacturing Technology, Vol. 50, Issue-9, pp. 1013-1024. (SCI)

get price

Finishing of Additively Manufactured Metal Parts by ...

Abrasive flow machining (AFM) is a non-conventional finishing technique that offers better accuracy and efficiency for parts with difficult-to-access structures, and the application of AFM to finishing metal parts of AM process is discussed in this paper.

get price

Abrasive flow machining: a case study - Extrude Hone

Abrasive flow machining: a case study Larry Rhoades President, Extrude Hone Corp., P.O. Box 527, 8075 Pennsylvania Ave., Irwin, PA 15842, U.S.A. INTRODUCTION Abrasive Flow Machining (AFM) is used to deburr, polish or radius surfaces and edges by flowing a semisolid abrasive …

get price

Обзор зарубежных установок для абразивно-экструзионной ...

REVIEW OF FOREIGN PLANTS FOR ABRASIVE FLOW MACHINING. ... Rhoades L. J., Kohut T. A. Reversible Unidirectional AFM, US patent по. 5070652, 10 December 1991. 3. Rhoades L. J. Orbital and or reciprocal machining with a viscous plastic medium, International patent …

get price

Patented the abrasive flow machining-Henan Mining ...

Abrasion by equation – Aerospace Manufacturing Magazine. Oct 16, 2017· Abrasive flow machining was first patented by the Extrude Hone Corporation in 1970 During the machining operation, a viscous abrasive paste is forced backwards and forwards under pressure across the surfaces of parts to smooth out irregularities like machining marks and burrs Go with the flow

get price

Machining Science and Technology - Taylor & Francis

Abrasive Flow Machining (AFM) is a new non-traditional machining process used to deburr, radius, polish, and remove recast layer of components used in a wide range of applications. Material removal in AFM takes place by flowing medium (i.e. carrier/or putty mixed with abrasive particles), across the surface to be machined.

get price

Various developments in Abrasive Flow Machining Process: A ...

Request PDF | Various developments in Abrasive Flow Machining Process: A Review | Abrasive flow machining is a nonconventional process used for polishing of metallic components, internal ...

get price

High precision abrasive flow machining apparatus and method

Dec 31, 2002· An abrasive-flow machining apparatus and method is desired to alleviate the need for two separate abrasive-machining apparatus for the use of high-viscosity media and low-viscosity media for processing a workpiece and to provide a single apparatus capable of using both, albeit one at a time, of either high-viscosity media or low-viscosity media ...

get price

Ppt on afm by prabhakar and abhishek - SlideShare

Hardness Effects on Abrasive Flow Machining. Journal of Mechanical Engineering. 2013; 59: 626-31. Eyercioglu O, CAKIR MV, GOV K. Influence of machining parameters on the surface integrity in small-hole electrical discharge machining.

get price

US5125191A - Abrasive flow machining with ... - Google Patents

US5125191A - Abrasive flow machining with an in situ viscous plastic medium - Google Patents Abrasive flow machining with an in situ viscous plastic medium Download PDF ... 1990-03-06 Priority to US07/489,229 priority patent/US5125191A/en 1990-03-06 Assigned to EXTRUDE HONE CORPORATION, ...

get price

Patented The Abrasive Flow Machining

Patent US4005549 Abrasive flow machining method,1 In an abrasive flow machine having means for passing an abrasive flow composition in two directions through a hole of a workpiece held by a tool having a first . Chat Online; Abrasive flow machining Revolvy. Abrasive flow machining was first patented by the Extrude Hone Corporation in 1970

get price

US Patent for Abrasive flow machining method Patent ...

Jun 17, 2016· A method for abrasive flow machining includes moving an abrasive media through a high-aspect passage of a workpiece. Local pressure of the abrasive media is increased at target abrasion surfaces of the high-aspect passage using a passage geometry that is configured to direct flow of the abrasive media into the target abrasion surfaces such that the target abrasion surfaces are …

get price

US Patent for Abrasive flow machining with an in situ ...

Abrasive flow machining with an in situ viscous plastic medium Mar 6, 1990 - Extrude Hone Corporation A workpiece surface is worked by placing a displacer member adjacent thereto sufficient to create a closed chamber therebetween into which a visco-elastic abrasive medium is deposited.

get price

Understanding Abrasive Flow Machining

Understanding Abrasive Flow Machining. Abrasive flow machining is a finishing process for a variety of materials including tough metals such as titanium. Abrasive flow machining can be utilized in a number of industries including: aerospace, automotive, …

get price

Patents Assigned to Extrude Hone Corporation - Justia ...

Jul 01, 2005· Justia - Patents - Patents and Patent Application Resources. Abstract: An abrasive flow apparatus for polishing a workpiece wherein a horizontal machine tool is adapted such that a workpiece may be secured to first shaft rotatable about a first longitudinal axis. A conjugate form to the workpiece may be secured to a second shaft which is rotatable about a second longitudinal axis.

get price

US7303461B1 - Method of machining ... - Google Patents

A method for machining a rotor having a disc and a plurality of integral airfoils projecting outwardly from the disc, according to one aspect of the invention, comprises a step of machining each airfoil with a disc tool having a grinding periphery thereof adapted for removing material from the airfoils. The grinding periphery has a thickness greater than a thickness of an adjacent supporting ...

get price

Unidirectional abrasive flow machining - Free Patents Online

Nov 29, 1994· An abrasive flow machining and polishing apparatus is provided having a hydraulically actuated reciprocating piston (42) and a extrusion medium chamber (10) adapted to receive and extrude a visco-elastic dispersion of an abrasive unidirectionally across the internal surfaces of a workpiece (40) having internal passages (41) formed therein to perform abrasive work on said surfaces.

get price
#
#