Structured Manufacturing Data (2026)

Turbine Wheel

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Turbine Wheel used in the Motor Vehicle Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Turbine Wheel is characterized by the integration of Blades/Aerofoils and Hub. In industrial production environments, manufacturers listed on CNFX commonly emphasize Inconel (nickel-chromium superalloy) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A rotating component in a turbocharger that converts exhaust gas energy into mechanical rotation to drive the compressor wheel.

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Product Specifications

Technical details and manufacturing context for Turbine Wheel

Definition

The turbine wheel is a critical rotating component within a turbocharger assembly. Mounted on the same shaft as the compressor wheel, it is positioned in the exhaust gas stream where hot exhaust gases from the engine impinge upon its blades. This interaction converts the thermal and kinetic energy of the exhaust gases into rotational mechanical energy, which spins the shaft and, consequently, the compressor wheel on the opposite end, forcing more air into the engine's intake manifold to increase power output.

Working Principle

Hot exhaust gases from the engine enter the turbocharger's turbine housing and are directed onto the angled blades of the turbine wheel. The pressure and velocity of these gases create a force on the blades, causing the wheel and its attached shaft to rotate at high speeds (often exceeding 100,000 RPM). This rotational energy is transferred directly along the shaft to spin the compressor wheel.

Common Materials

Inconel (nickel-chromium superalloy), High-grade titanium alloy

Technical Parameters

The major diameter of the turbine wheel, critical for determining flow capacity and turbocharger response characteristics. (mm) Per Request

Components / BOM

Blades/Aerofoils Part
Capture energy from exhaust gas flow and convert it into rotational torque.

Material: Inconel or titanium alloy
Hub
The central disc that connects the blades to the shaft, transmitting torque.

Material: Inconel or titanium alloy
Backface Part
The rear surface of the wheel that interfaces with the turbine housing and may influence heat flow.

Material: Inconel or titanium alloy

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Turbine Wheel.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Turbocharger

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Center Housing Rotating Assembly (CHRA)

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Industrial Ecosystem & Supply Chain Structure

Complementary Systems

Downstream Applications

Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits

pressure:	Up to 4 bar (58 psi) exhaust inlet, typical 0.5-3 bar (7-44 psi)
flow rate:	Typically 0.01-0.5 kg/s exhaust mass flow, depends on engine size
temperature:	Up to 1050°C (1922°F) continuous, peak 1150°C (2102°F)
rotational speed:	Up to 300,000 RPM for small automotive, 10,000-100,000 RPM for industrial

Media Compatibility

✓ Automotive exhaust gases ✓ Marine diesel exhaust ✓ Natural gas turbine exhaust

Unsuitable: High particulate/solid content environments (e.g., biomass combustion without filtration)

Sizing Data Required

Engine displacement/power output
Target boost pressure/compressor ratio
Exhaust gas temperature and mass flow rate

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause

High-cycle fatigue cracking

Cause: Cyclic stress from rotational forces, vibration, or resonance leading to crack initiation and propagation, often at blade roots or stress concentration points.

Foreign object damage (FOD) erosion

Cause: Impact from ingested particles (dust, sand, debris) or liquid droplets causing pitting, leading edges erosion, and material loss, reducing aerodynamic efficiency and structural integrity.

Maintenance Indicators

Unusual high-frequency vibration or audible knocking during operation, indicating imbalance or blade damage.
Visible cracks, pitting, or material loss on blade surfaces observed during inspection, especially at leading edges or root sections.

Engineering Tips

Implement regular vibration analysis and balancing to detect early imbalance or resonance issues, preventing fatigue failure.
Use inlet filtration systems and conduct routine inspections to minimize FOD, and apply protective coatings (e.g., thermal barrier coatings) to reduce erosion and thermal stress.

Compliance & Manufacturing Standards

Reference Standards

ISO 1940-1:2003 (Mechanical vibration - Balance quality requirements for rotors in a constant state) ASME B107.100-2010 (Gas Turbine - Procurement) DIN EN ISO 12100:2010 (Safety of machinery - General principles for design - Risk assessment and risk reduction)

Manufacturing Precision

Bore diameter: ±0.01 mm
Blade profile contour: ±0.05 mm

Quality Inspection

Ultrasonic Testing (UT) for internal defects
Coordinate Measuring Machine (CMM) for dimensional verification

Factories Producing Turbine Wheel

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are used in turbine wheel manufacturing?

Turbine wheels are typically made from high-performance materials like Inconel (a nickel-chromium superalloy) or high-grade titanium alloys to withstand extreme temperatures and rotational stresses in turbocharger applications.

What are the main components of a turbine wheel?

The main BOM components include blades/aerofoils for gas flow conversion, the hub for central mounting and structural integrity, and the backface which completes the wheel assembly and interfaces with other turbocharger components.

How does a turbine wheel function in a turbocharger system?

The turbine wheel is a rotating component that converts exhaust gas energy from the engine into mechanical rotation, which then drives the compressor wheel to increase air intake and boost engine performance.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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