INDUSTRY COMPONENT

Central Hub

Central hub connecting impeller blades to drive shaft in industrial dough mixers

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Component Specifications

Definition
The central hub is a precision-engineered component that serves as the core structural element in industrial dough mixer impeller assemblies. It provides the mounting interface between the rotating drive shaft and multiple impeller blades, ensuring proper alignment, torque transmission, and mechanical stability during high-viscosity mixing operations. The hub's design directly impacts mixing efficiency, dough consistency, and equipment longevity.
Working Principle
The central hub converts rotational energy from the drive shaft into synchronized blade movement through rigid mechanical coupling. It maintains precise angular positioning of blades to create optimal dough folding, stretching, and kneading patterns while withstanding significant torsional and bending stresses during operation.
Materials
Stainless steel AISI 316L (food-grade), hardened to 40-45 HRC, with corrosion-resistant surface finish (Ra ≤ 0.8 μm)
Technical Parameters
  • Weight 5-15 kg
  • Max RPM 120
  • Diameter 150-300 mm
  • Bore Size 40-80 mm (keyed)
  • Balance Grade G6.3 per ISO 1940
  • Mounting Holes 4-8 × M12 threaded
  • Torque Capacity 800-2000 Nm
Standards
ISO 9001, ISO 22000, DIN 11850, 3-A Sanitary Standards

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Central Hub.

dough mixer hub impeller central hub food processing component mixer drive connection industrial bakery equipment Central Hub Central Hub in Food Manufacturing

Parent Products

This component is used in the following industrial products

Industrial Dough Mixer Impeller Assembly

High-efficiency mixing component for industrial bakery dough preparation systems.

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Spider Assembly

A structural component within a control rod assembly that provides radial support and positioning for control rod fingers or blades.

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Engineering Analysis

Risks & Mitigation
  • Fatigue failure from cyclic loading
  • Corrosion in high-moisture environments
  • Improper installation causing imbalance
FMEA Triads
Trigger: Material fatigue from continuous high-torque operation
Failure: Crack propagation leading to catastrophic hub fracture
Mitigation: Regular non-destructive testing (ultrasonic or magnetic particle inspection) and preventive replacement schedules
Trigger: Improper cleaning allowing dough residue buildup
Failure: Corrosion and bacterial contamination
Mitigation: Implement strict sanitation protocols with food-safe cleaners and thorough drying procedures

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.05 mm on critical dimensions, concentricity within 0.1 mm TIR
Test Method
Dimensional verification with CMM, dynamic balancing test, torque testing to 150% rated capacity

Buyer Feedback

★★★★☆ 4.5 / 5.0 (21 reviews)

"Standard OEM quality for Food Manufacturing applications. The Central Hub arrived with full certification."

"Great transparency on the Central Hub components. Essential for our Food Manufacturing supply chain."

"The Central Hub we sourced perfectly fits our Food Manufacturing production line requirements."

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Frequently Asked Questions

What maintenance does the central hub require?

Regular inspection for wear, cleaning after each use, torque verification of mounting bolts monthly, and replacement if any cracks or deformation are detected.

Can hubs be customized for different mixer models?

Yes, manufacturers typically offer custom bore sizes, mounting patterns, and material specifications to match specific mixer designs and capacity requirements.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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