Abrasive Flow Finishing
Abrasive flow machining was first patented by the Extrude Hone Corporation in 1960. The abrasive flow finishing processes are widely used as finishing solutions in high-tech industries …
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Abrasive flow machining method and article
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 …
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Abrasive flow machining apparatus and method
An apparatus and method for abrasive flow machining the orifice (18) of a workpiece (20) by using an abrasive media (15) whereby the apparatus (10) is capable of passing media (15) through the orifice (18) at a predetermined pressure and at a constant flow rate. ... European Patent Office Prior art keywords media flow orifice displacement pump ...
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Abrasive flow machining | PPT
3. Abrasive Flow Machining • It is basically used as a deburring process. • Developed in 1960 by Extrude Hone Cooperation. • AFM can • Polish and deburr parts internally • Polish through holes • Polish intersecting holes • Calibrate fuel injection nozzles to a specific flow rates • Uses abrasive grains mixed in a putty (a form of cement) like matrix which abrades the …
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High precision abrasive flow machining apparatus and method
An apparatus and method for abrasive flow machining the orifice of a workpiece by using an abrasive media whereby the apparatus may accommodate abrasive media having a range of viscosities by modifying the diameters of pistons and cylinders in positive displacement pumps within the apparatus. ... Priority to EP01650099A priority ...
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Unidirectional abrasive flow machining
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.
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Unidirectional abrasive flow machining
An abrasive flow machining apparatus is provided having a reciprocating piston (42) and a extrusion medium chamber (10) adapted to extrude unidirectionally across the internal surfaces of a workpiece (40) having internal passages (41) formed therein to perform abrasive work on said surfaces. A fixture (24) directs flow of the viscoelastic abrasive dispersion from said extrusion …
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Abrasive Flow Machining of the Internal Surfaces of 3D
The abrasive flow machining of the internal surfaces of 3D-printed curved rectangular waveguides is studied experimentally, with a view to decreasing the surface roughness. Russian equipment and working media are employed. ... An attachment for a sample in the UESh-100 system with unidirectional machining was designed and patented in .
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Abrasive flow machining apparatus and method
An apparatus and method for abrasive flow machining the orifice (18) of a workpiece (20) by using an abrasive media (15) whereby the apparatus (10) is capable of passing media (15) through the orifice (18) at a predetermined pressure and at a constant flow rate. In the alternative, the apparatus (10) is capable of passing media (15) through the orifice (18) at a fixed flow rate by …
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US20190091826A1
This abrasive flow machine (AFM) is capable of smoothing a wide range of roughnesses, internal geometries, and printable materials. US20190091826A1 - Abrasive flow machine - Google Patents Abrasive flow machine Download PDF Info Publication number US20190091826A1. ...
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Magneto-Abrasive Flow Machining | PPT
Magneto-Abrasive Flow Machining - Download as a PDF or view online for free. Submit Search. Magneto-Abrasive Flow Machining ... Unidirectional abrasive flow machining. Patent number 5367833,USA, 29 November 1994. Rhoades LJ and Kohut TA. Reversible unidirectional AFM. Patent number 5,070,652, USA, 10 December 1991. Gilmore JR and …
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Abrasive flow machining patented technology retrieval search …
This page includes the patent name, patent number, legal status, invention/applicant, technical efficacy and accompanying drawings of Abrasive flow machining-related invention patents and …
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Abrasive flow machining patented technology retrieval search …
This page includes the patent name, patent number, legal status, invention/applicant, technical efficacy and accompanying drawings of Abrasive flow machining-related invention patents and utility model patents, which can be searched for their Abrasive flow machining-related patent result data, and can also be analyzed for Abrasive flow machining-related patent technical data.
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Abrasive Flow Machining: An Area Seeking for Improvement
Abrasive Flow Machining (AFM) was first described and patented by McCarty, the president of Extrude Hone Corporation in 1970 [1]. The most time consuming and labour demanding …
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Abrasive flow machining method and article
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 …
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A Review on Abrasive Flow Machining (AFM)
Abrasive Flow Machining (AFM) is one of the non conventional finishing processes in which a semi-solid medium consisting of a visco-elastic polymer and abrasive particles mixed in a definite...
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Surface quality enhancement of cold work tool steel by GOV (flow
Cold work tool steel (DIN 1.2080) has extensive applications such as die and moulds, cutting tools and measuring instruments due to the excellent mechanical features of high abrasion resistance, wear resistance and high strength. Non-traditional finishing processes such as abrasive flow machining (AFM) process is used and also applicable for complex geometries …
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Abrasive flow machining method
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 …
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Abrasive flow machining method and tooling
Method and Tooling for removing material from holes or orifices (round or other shapes) or the like in a workpiece, the method and tooling providing means for directing at least a first portion of an abrasive flow composition under pressure from a main body of composition from one side of a workpiece to another side of the workpiece (i.e. about the workpiece) so as to permit at least a …
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US Patent Application for CLOSED CHAMBER ABRASIVE …
Abrasive flow machining can be used to surface smooth interior channels, but can round sharp edges, build up residue in bends, swell the component due to pressure, and currently can only …
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Experimental investigation on abrasive flow Machining (AFM) of …
In the late 1970s, abrasive flow machining (AFM) was first discovered and patented by the United States-based company "Extrude Hone Corporation" to finish complex shapes …
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Abrasive flow machining method
A method for abrasive flow machining includes moving an abrasive media through a high-aspect passage of a workpiece.
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Abrasive Flow Machining Systems
The process can also optimize the flow coefficient or improve the high and low cycle fatigue strength of certain pieces. Process. Abrasive Flow Machining works by the back and forth flow under pressure of an abrasive laden, viscoelastic compound or abrasive media, through a holding fixture and over the area to be polished, deburred and radiused.
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Abrasive Flow Machining of the Internal Surfaces of 3D
modified [4]. In the Russian literature, abrasive flow machining may also be known as extrusive honing, extrusive grinding, or abrasive extrusive machining [13]. Analysis of the Russian and non-Russian literature on abrasive flow machining reveals some common features and differences in terms of the equipment and working media employed [14, 15].
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Unidirectional abrasive flow machining
Priority to US08/139,744 priority Critical patent/US5367833A/en Assigned to EXTRUDE HONE CORPORATION reassignment EXTRUDE HONE CORPORATION ... Under shear, as during the extrusion and abrasive flow machining operation, these materials exhibit plug flow through the passages, exhibiting a significant apparent increase in ...
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Unidirectional abrasive flow machining
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.
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EP3257627B1
Abrasive flow machining Download PDF Info Publication number EP3257627B1. ... European Patent Office Prior art keywords passage abrasive media flow abrasive workpiece Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as ...
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Method and apparatus for controlling abrasive flow machining
A method for controlling the abrasive machining, especially abrasive flow machining of a part which includes measuring any acoustic emission signal caused by the abrasive machining of such part; thereafter comparing a high frequency, e.g. greater than 100 kHz, component of said signal with a low frequency, e.g. less than 100 kHz, component of said signal to generate a control ratio.
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A Review on Abrasive Flow Machining (AFM)
Extrude Hone Corporation of USA in 1960s developed the concept of AFM to finish aerospace components to the required accuracy. Today abrasive flow machining is considered …
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Nitin Dixit
Abrasive Flow Machining of Additively Manufactured Femoral Head of the Hip Joint. M Meena, N Dixit, V Sharma. Journal of Materials Engineering and Performance 33 (09), 9467-9479, 2023. 3: ... IN Patent 447,268, 2023. 2: 2023: Life Cycle Assessment of Abrasive Flow Machining of 3D Printed Parts: A Comparative Analysis ...
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