- Custom Precision Machining
We make impellers, housings, scrolls, shafts, and other compressor parts from your drawings, from one prototype to small batches.
Custom Precision CNC Machining for Compressor Parts
0.002 mm
Tight tolerance capability
5-Axis
Complex geometry machining
3+2 / Simultaneous
Flexible 5-axis machining methods
What We Make
Pick your compressor type to see the parts we machine for it.
Centrifugal and Turbo Compressors
Gas is sped up by a fast-spinning impeller, then slowed down in a diffuser and volute.
01
Impellers and compressor wheels
02
Diffusers
03
Volutes and compressor housings
04
Inlet guide vanes
05
Shafts
06
Bearing housings and carriers
ALSO FOR MOST TYPES: SEAL PLATES, LABYRINTH SEALS, BALANCE RINGS, SPACERS, ADAPTERS
What Is Hard to Machine, and What We Do About It
These features appear in most compressor drawings. Here is why each one matters and how we handle it.
Feature
Blade and vane surfaces
Bearing bores and seats
Coaxiality and runout
Sealing faces and grooves
Thin walls and ribs
Hole patterns and threads
Balance-related features
Why it matters?
The shape of the surface affects flow and efficiency.
The fit of the bore sets bearing alignment and life.
Misalignment causes vibration in rotating parts.
Leakage depends on face finish and groove shape.
Thin sections bend under the tool and can move after cutting.
A wrong hole position stops assembly.
Imbalance causes vibration and wear.
What we do?
Keep the tool axis on the surface. Check narrow passages in simulation. Protect thin edges with light finishing passes.
Finish bores in a set order, with stable cutting conditions.
Use shared datums across setups. Check runout before shipping.
Check flatness and finish. Cut grooves to the drawing.
Separate roughing from finishing, and take light finishing cuts.
Machine each pattern from common datums. Remove burrs. Check threads.
Add balancing stock or features when the drawing asks for them.
Materials We Machine
Other materials are available on request. [Material certificates available on request.]
| Material | Typical use in compressors | Machining notes |
|---|---|---|
| Aluminum alloys (6061, 7075, and others) | Impellers, housings, prototypes where weight matters | Cuts fast. Watch for burrs and thin-wall bending. |
| Titanium alloys | High-speed impellers, weight-sensitive rotating parts | Heat stays at the cutting edge and tools wear faster, so cutting conditions must stay stable. |
| Stainless steels (304, 316, 17-4PH) | Corrosion-resistant housings, shafts, valve parts | Hardens as it is cut. Use sharp tools and steady feeds. |
| Alloy and carbon steels | Shafts, crankshafts, cylinders, connecting rods | Heat-treat condition changes how it cuts. [Confirm] |
| Copper alloys (brass, bronze) | Bushings, bearing parts, seal parts | Soft. Watch for burrs and surface marks. |
3+2 Fixed Axis
Best for multi-face parts, angled holes and complex features that need precise positioning without full simultaneous motion.
5-Axis Simultaneous
Recommended for impellers, turbine blades, freeform surfaces and complex parts requiring continuous tool movement.
04/ Industries
Who We Make Parts For
From energy extraction to air travel — impellers are the heart of rotating machinery across every major industry.
Aerospace
Jet engine compressors. APU turbines. Fuel pumps.
Oil, Gas & Petrochemical
Pipeline compressors. Refinery pumps. Turbo expanders · Centrifugal compressors.
Energy Power & Gas Turbine
Gas turbines. Steam turbines. Combined cycle compressors.
Marine & Shipbuilding
Propeller impellers. Ballast pumps. Cooling systems.
Industrial & Semiconductor
Dry vacuum pumps. Industrial blowers. Chillers. Cooling towers. Process pumps.
Turbocharger & Automotive
Turbocharger impellers · Supercharger rotors
5-Axis Machined Parts for Impeller
5-axis machining is ideal for complex, high-precision parts with demanding geometries, tight tolerances, curved surfaces and intricate details.
Complex Geometry
Curved surfaces, deep cavities, angled holes and multi-face features for complex 5-axis machined parts.
Material Matching
Aluminum, stainless steel, titanium, alloy steel and engineering plastics for demanding 5-axis applications.
Tolerance Control
Critical dimensions, feature alignment and surface requirements are reviewed before machining and inspection.
Finish Support
As-machined, anodized, plated, polished, coated and custom finishes for production-ready 5-axis parts.
Have a complex part for 5-axis machining?
Send your CAD file, material, tolerance, quantity and critical geometry requirements. Our engineers will review manufacturability and recommend the right 5-axis machining strategy.
From Drawing Review to Delivered 5-Axis Machined Parts
See how your 5-axis Impeller CNC machining project moves from CAD review to machining strategy, tool access planning, inspection, finishing and delivery with clear engineering communication at each step.
01
Send Drawings
Share CAD files, material, quantity, tolerance, critical geometry and surface finish requirements for engineering review.
02
Engineering Check
Our team reviews manufacturability, tool access, setup strategy, tolerance risks and 5-axis machining options.
03
Impeller CNC Machining & Inspection
Parts move through 3+2 or simultaneous 5-axis machining, in-process checks, finishing and dimensional inspection when required.
04
Ship & Support
Finished 5-axis machined parts are packed, shipped and supported with inspection records or reorder assistance when needed.
Frequently Asked Questions
Quick answers to the most common questions about impeller CNC machining.
Questions Buyers Usually Ask First
These answers help engineering and purchasing teams understand 5-axis machining tolerances, complex geometry, materials, lead time, inspection support, and production options before requesting a quote.
An impeller is a rotating component with vanes or blades that transfers energy to a fluid. It is the critical moving part in pumps, compressors, turbochargers, and turbines.
Impellers are machined using multi-axis CNC milling — typically 5-axis simultaneous — from solid billet or near-net blanks. This allows complex twisted blade geometries to be produced in a single setup with high accuracy.
Common materials include aluminum alloys (6061, 7075), stainless steels (304, 316), titanium (Ti6Al4V), nickel-based superalloys (Inconel 718), brass, and copper — chosen based on application requirements.
Yes. We regularly machine titanium impellers for aerospace and high-performance applications using specialized tooling and coolant strategies to manage the material's unique properties.
We routinely achieve tolerances of ±0.005 mm, with critical features held to ±0.002 mm, ensuring optimal performance and balance at high rotational speeds.
Absolutely. We offer rapid prototyping services with lead times as short as 2 weeks for single pieces, allowing you to test and validate designs before full production.
Yes. Closed impellers are among our specialties. We use 5-axis machining to create the intricate internal flow channels and shrouds with exceptional precision.
Yes. We offer dynamic balancing services to G2.5 or better, ensuring smooth operation and extended bearing life at high RPM.
We accept standard CAD formats including STEP (.stp), IGES (.igs), DWG, DXF, and PDF drawings. Our engineering team can also work with solid models in native formats.
Lead times vary by complexity and quantity. Prototypes typically ship in 2-3 weeks, while production orders are quoted based on your specific requirements. We pride ourselves on on-time delivery.
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