INDUSTRY COMPONENT

Drive Hub

Drive hub is a precision rotational component that transmits torque from the drive system to the starwheel in container infeed systems.

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Component Specifications

Definition
A drive hub is a critical mechanical component in container infeed starwheel systems that serves as the interface between the drive mechanism (typically a motor or gearbox) and the starwheel assembly. It converts rotational motion into precise intermittent motion to position containers accurately on production lines. The hub features mounting surfaces for starwheel attachment, keyways or splines for torque transmission, and bearing surfaces for smooth rotation under load.
Working Principle
The drive hub operates on the principle of torque transmission through mechanical coupling. It receives continuous rotational input from the drive system and transfers this motion to the starwheel through a rigid connection. The hub's design ensures precise angular positioning and synchronization with the production line speed, enabling accurate container placement. Bearings or bushings within the hub assembly minimize friction and maintain alignment during operation.
Materials
Typically manufactured from medium-carbon steel (AISI 1045 or equivalent) with case hardening (HRC 45-55) for wear resistance. High-precision applications may use alloy steels (AISI 4140) or stainless steel (AISI 304/316) for corrosion resistance. Surface treatments include black oxide coating or zinc plating for protection.
Technical Parameters
  • Weight 1-15 kg
  • Max RPM 100-600 RPM
  • Keyway Size Standard metric or imperial
  • Hub Diameter 50-200 mm
  • Balance Grade G6.3 per ISO 1940
  • Bore Diameter 20-100 mm
  • Mounting Holes 4-8 bolt pattern
  • Torque Capacity 50-500 Nm
  • Runout Tolerance ±0.05 mm
Standards
ISO 286-2, DIN 6885, ISO 1940-1, DIN 5480

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Drive Hub.

drive hub starwheel drive container infeed torque transmission industrial component mechanical hub power transmission manufacturing equipment Drive Hub in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Container Infeed Starwheel

A rotating star-shaped wheel that precisely positions and feeds containers into a high-speed rotary bottle filling machine.

View Product Details

Torque Limiting Clutch

A mechanical safety device that automatically disengages or slips when torque exceeds a preset limit to protect machinery from overload damage.

View Product Details

Rotary Base

The foundational rotating platform of a nozzle magazine/carousel system that enables indexed positioning of nozzles.

View Product Details

Engineering Analysis

Risks & Mitigation
  • Wear on keyways causing slippage
  • Bearing failure due to contamination
  • Misalignment leading to vibration
  • Fatigue cracking under cyclic loading
  • Corrosion in humid environments
FMEA Triads
Trigger: Improper lubrication
Failure: Increased friction and premature bearing wear
Mitigation: Implement scheduled lubrication program using appropriate greases
Trigger: Shaft misalignment
Failure: Vibration and accelerated component wear
Mitigation: Use laser alignment tools during installation and regular alignment checks
Trigger: Over-torque conditions
Failure: Keyway deformation or hub cracking
Mitigation: Install torque limiters and monitor drive system parameters

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Geometric tolerances per ISO 1101, dimensional tolerances per ISO 286-2, surface finish Ra ≤ 1.6 μm
Test Method
Dimensional verification with CMM, torque testing with calibrated torque wrench, rotational balance testing per ISO 1940-1, material hardness testing per ASTM E18

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 a drive hub in container infeed systems?

The drive hub transmits rotational torque from the drive system to the starwheel while maintaining precise positioning and synchronization with production line timing.

How do I select the correct drive hub for my application?

Consider torque requirements, rotational speed, bore size compatibility with your shaft, mounting configuration, environmental conditions, and required precision tolerances.

What maintenance does a drive hub require?

Regular inspection for wear on keyways/splines, lubrication of bearing surfaces, checking for proper alignment, and monitoring for vibration or unusual noise during operation.

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.

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