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CNC Machining

Custom 5-Axis CNC Machined Billet Aluminum Impeller Compressor Wheel

Product Overview
This high-precision impeller wheel is designed for high-RPM fluid dynamic applications where aerodynamic efficiency and structural reliability are paramount. Perfectly suited for turbochargers, superchargers, and UAV (unmanned aerial vehicle) turbines, it utilizes complex aerodynamic blade profiles to optimize airflow, compression ratios, and thermal dissipation under extreme operational pressures.

Manufacturing & Process Insights
Unlike standard cast impellers, this product is manufactured via advanced 5-Axis Simultaneous CNC Milling from a solid block of aircraft-grade billet aluminum alloy (or customized stainless steel/titanium). This subtractive manufacturing process offers critical advantages:

Zero Porosity:Eliminates internal structural defects and micro-voids common in casting, dramatically increasing fatigue life and bursting strength.
Complex Geometry Execution:The 5-axis continuous tool path allows for ultra-thin blade edges, aggressive wrap angles, and intricate splitter-blade designs that cannot be achieved with traditional 3-axis or 4-axis machining.
Dynamic Balancing:Following precision machining, each unit undergoes strict high-speed dynamic balancing to eliminate centrifugal asymmetry, ensuring vibration-free performance at speeds exceeding 100,000 RPM.

Key Specifications

Parameter	Specification Details (100% Fully Customizable)
Material Options	Aluminum Alloy (6061-T6, 7075-T6), Stainless Steel (304, 316, 17-4 PH), Titanium Alloy (TC4/Gr5)
Machining Process	5-Axis Precision CNC Milling, Turn-Mill Compound Machining
Dimensional Tolerance	Up to ±0.005 mm (High Precision Grade)
Surface Roughness	Ra 0.4 – Ra 0.8 (Smooth aerodynamic finish)
Surface Treatment	Clear/Color Anodizing, Hard Anodizing, Electropolishing, Passivation, Shot Peening
Balancing Grade	ISO 1940 G0.4 / G1.0 High-Speed Dynamic Balancing
Drawing Formats Accepted	STEP, IGES, X_T, SolidWorks (SLDPRT), AutoCAD (DWG), PDF

Key Features & Advantages

Optimized Aerodynamics:Advanced CNC toolpaths produce flawlessly smooth blade surfaces, reducing drag and expanding the compressor’s operating map.
Superior Material Strength:Crafted from premium forged billets, offering exceptional resistance to centrifugal stress, high temperatures, and cyclic fatigue.
Bespoke Customization Engineering:We do not offer just standard sizes; we manufacture 100% according to your custom engineering drawings and specialized performance parameters.
Rigorous Quality Assurance:Every batch undergoes full dimensional inspection via Coordinate Measuring Machines (CMM) and non-destructive testing (NDT) if required.