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
ParameterTypical rangeNotes & selection driver
Weight1-15 kg
Max RPM100-600 RPM
Keyway SizeStandard metric or imperial
Hub Diameter50-200 mm
Balance GradeG6.3 per ISO 1940
Bore Diameter20-100 mm
Mounting Holes4-8 bolt pattern
Torque Capacity50-500 Nm
Runout Tolerance±0.05 mm

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 286-2, DIN 6885, ISO 1940-1, DIN 5480

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.

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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

Typical Suppliers & Equivalents

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

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Drive Hub

Manufacturer profiles associated with Drive Hub.

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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.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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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