Can I contact factories directly on CNFX?

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Spokes Component – Motor Vehicle Manufacturing

Component Specifications

Definition

Spokes are radial structural elements that form the connection between the central hub and the outer rim or grip section of steering wheels and joysticks. In industrial applications, they serve as load-bearing members that transmit torque from the user's input to the steering mechanism while maintaining structural integrity under operational stresses. Their design directly influences the mechanical performance, ergonomic feel, and safety of the control interface.

Working Principle

Spokes function as mechanical links that transfer rotational force (torque) from the user's hands on the rim/grip to the central hub, which connects to the steering column or control system. They distribute stress evenly across the structure, prevent deformation under load, and provide torsional stiffness for precise control feedback. The arrangement and geometry determine the directional stability and responsiveness of the steering input.

Materials

Typically made from high-strength steel alloys (e.g., AISI 4140), aluminum alloys (e.g., 6061-T6), or composite materials (carbon fiber reinforced polymers). Materials are selected based on strength-to-weight ratio, fatigue resistance, and corrosion protection requirements.

Technical Parameters

Length 50-300 mm
Weight 50-200 g per spoke
Diameter 3-10 mm
Surface Finish Powder-coated or anodized
Tensile Strength ≥400 MPa

Standards

ISO 8855, DIN 70020

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Spokes.

Parent Products

This component is used in the following industrial products

Steering Wheel/Joystick

Primary manual control interface for vehicle directional guidance

View Product Details

Engineering Analysis

Risks & Mitigation

Fatigue failure from cyclic loading
Corrosion in harsh environments
Improper torque transmission leading to control lag

FMEA Triads

Trigger: Material fatigue due to repeated stress cycles
Failure: Crack propagation and eventual fracture
Mitigation: Use fatigue-resistant alloys, implement regular inspection protocols, and apply protective coatings

Trigger: Poor welding or fastening during assembly
Failure: Detachment of spokes from hub or rim
Mitigation: Adhere to standardized welding procedures (e.g., ISO 3834), use quality fasteners, and conduct pull-test validation

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±0.5 mm on critical dimensions, angular alignment within ±1°

Test Method

Static load testing per ISO 12097, fatigue testing via cyclic torque application, corrosion resistance testing per ASTM B117

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 is the primary function of spokes in a steering wheel?

Spokes provide structural support, transmit torque from the rim to the hub, and ensure the steering wheel maintains its shape under operational loads.

Can spokes be replaced individually if damaged?

Yes, but replacement requires matching the original specifications for material, dimensions, and attachment methods to maintain safety and performance.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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.

Spokes