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ABRASIVE FLOW ENGINEERING
THE EXTRUDE HONE STORY
EXTRUDE HONE invented the abrasive flow machining process over 30 years ago. The process was initially developed for deburring and finishing complex internal passageways on critical aircraft hydraulic and fuel system components. Many of these components required edge and surface improvements to be performed on areas that were impossible to reach using traditional finishing methods.
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With the invention of the Abrasive Flow Machining process, Extrude Hone Corporation developed an entirely new finish machining tool - a plastic, abrasive laden polymer with properties that allow it to selectively and controllably abrade surfaces that it flows across. A broad family of these abrasive medias are available to achieve a wide range of results from fine 'honing' to aggressive surface removal.
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The EXTRUDE HONE Corporation has developed an array of durable, hard-working media formulations that are capable of producing very precise and highly productive results. Media viscosities vary from 'just below a brick' to materials thin enough to flow at nearly the speed of sound through tiny 0.5mm nozzles. The rheology profiles of the media are just as diverse with some media much thicker at rest than in use, and others that are just the opposite. Abrasive grain sizes range from a fine 1000 grit to 10 grit and larger. All of Extrude Hone Corporation's abrasive medias are remarkable in their ability to flow without clogging or separating, to be stored for long periods without degradation, and to not break down after continuous cycling and working. With over 1,200 installations world wide, the process continues to be widely used to polish, radius or deburr aircraft turbine engine blades, disks, impellers, space shuttle and satellite parts, valves, fittings, hydraulic manifoEds, dies and semiconductors components.
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EXTRUDE
HONE depends on three elements:
The tooling which confines and directs the media flow to the appropriate
areas;
The machine which controls the media extrusion pressure, flow volume,
and flow rate;
The media which determines the pattern and aggressiveness of the abrasive
action.
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Just about all Extrude Hone machines that are in use today are owned and operated by companies that manufacture their own components and require this process to complement their own products. Anyone / businesses not having access to a machine but wishing to Extrude Hone any 'one off' items could do so by sending their parts directly to Extrude Hone in the U S A where they offer a contract shop service.
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ABRASIVE FLOW ENGINEERING, a company based in western Sydney is offering this same type of automated abrasive flow machining service to the public. Our aim is to provide a facility that will be able to process (polish / machine) nearly every commercially available model of intake and exhaust manifold, engine cylinder head and turbo housings.
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Any part that has a path where the abrasive media (putty) can flow, can be enhanced by the Abrasive Flow Engineering Service. However any component with an external surface that needs smoothing or re-shaping can also be modified with the specific tooling. Our service is not only limited to automotive components, moulds and castings will also be polished with precision.
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Abrasive Flow Engineering is not an affiliate of Extrude Hone Corporation.
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The Extrude Hone Corporation welcomed the creators of ABRASIVE FLOW ENGINEERING at their headquarters in Irwin Pennsylvania, with full factory training and authorizing us the use of this unique and innovative industrial process.
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