Using abrasive flow machining, Extrude Hone AFM can reach restricted areas between blades and smooth complicated internal surfaces that conventional finishing tools may not access consistently.
Why Pump Surface Finish Matters
A centrifugal pump moves fluid through rotating and stationary flow surfaces.
Roughness and raised material left from manufacturing can interfere with that movement.
Extrude Hone AFM explains that poor surface finish creates drag and can slow the volume of fluid moving through the system. Improving surfaces on the turbine, impeller, and housing can support greater efficiency and reduce unnecessary motor stress.What AFM Can Finish
Turbine and pump AFM may be appropriate for:
- Impeller blade surfaces
- Turbine passages
- Pump housings
- Restricted blade-to-blade areas
- Internal fluid passages
- Gas passages
- Additive-manufactured channels
- Difficult transitions
The same process may also remove burrs and condition edges where required.
Phoenix Aerospace, Energy, and Industrial Applications
Phoenix has a substantial aerospace and advanced-manufacturing sector, along with semiconductor, energy, water, industrial equipment, and precision-machining activity.
Extrude Hone AFM's current blog specifically highlights turbine and pump flow finishing in Phoenix and notes that the region's aerospace, energy, and industrial components often depend on precise internal flow paths.Pumps, turbines, impellers, and housings used in these systems can all depend on smooth internal surfaces.
Finishing Restricted Blade Geometry
A conventional polishing tool requires physical room to contact the surface.
An impeller may not provide it.
Curved blades, deep channels, and narrow spacing can make some surfaces inaccessible.
AFM solves that problem with conformable abrasive media.
Extrude Hone AFM specifically states that its process can reach restricted areas between blades and uniformly remove material across pump and turbine components.How AFM Works
A hydraulic ram pushes abrasive media through the workpiece.
The media molds itself to the part and acts like a flexible file.
Raised positive surface features are gradually removed.
Where the flow becomes more restricted, speed and pressure increase, producing a higher local removal rate.
This behavior makes AFM naturally useful for restrictive flow paths.
Surface Finish and Flow Performance
Extrude Hone AFM's general surface-finishing guidance emphasizes that peaks and valleys left by machining, casting, EDM, or additive manufacturing can influence the performance of any passage carrying fuel, air, oil, food, blood, or other flowing media.The same principle applies to pumps and turbines.
A smoother passage can provide a more favorable surface for flow.
Additive Manufacturing
Arizona manufacturers increasingly use additive manufacturing for complicated aerospace and industrial components.
Extrude Hone AFM has experience finishing additively manufactured turbine and pump passages, where complex geometry can make traditional polishing impossible.AFM enables designers to create sophisticated internal pathways and still address the resulting surface finish.
Controlled Processing
Tooling controls where media moves, while pressure, viscosity, abrasive concentration, and particle size control how aggressively it finishes the surface.
Once a process is established, stock removal and surface improvement can be monitored for repeatability.
Request Phoenix Turbine and Pump Finishing
Call (562) 531-2976 to discuss turbine and pump flow finishing for Phoenix, AZ with Extrude Hone AFM.
FAQs
Can AFM finish aerospace turbine components?
Yes. Turbine and complex airflow components are established AFM applications.
Can AFM process 3D-printed impellers?
Suitable metal additive-manufactured impellers and internal passages can be evaluated for AFM.
