Industry-Verified Manufacturing Data (2026)

Infeed Starwheel

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Infeed Starwheel used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Infeed Starwheel is characterized by the integration of Starwheel Body and Pocket Inserts. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A rotating mechanical component with star-shaped projections used to guide and position containers as they enter a handling system.

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Product Specifications

Technical details and manufacturing context for Infeed Starwheel

Definition
The infeed starwheel is a critical component within container handling systems that facilitates the smooth transition of containers from an infeed conveyor or supply line into the main processing or packaging machinery. Its star-shaped design with precisely spaced pockets or guides ensures containers are properly aligned, spaced, and oriented before entering subsequent stages of the system, preventing jams and maintaining consistent throughput.
Working Principle
The starwheel rotates at a controlled speed synchronized with the infeed conveyor. As containers approach, the starwheel's protruding arms or pockets gently capture each container, guiding it along a precise path. The rotational motion transfers the container from the infeed area into the next stage of the handling system while maintaining proper spacing and alignment.
Common Materials
Stainless Steel, Engineering Plastic, Aluminum Alloy
Technical Parameters
  • Diameter of the starwheel, typically ranging from 200mm to 800mm depending on container size and system requirements (mm) Customizable
Components / BOM
  • Starwheel Body
    Main structural component with star-shaped design that guides containers
    Material: Stainless Steel
  • Pocket Inserts
    Replaceable guides or liners that contact and position containers
    Material: Engineering Plastic
  • Hub Assembly
    Central mounting component that connects to the drive shaft
    Material: Steel
  • Drive Shaft Interface
    Connection point for power transmission from the drive system
    Material: Steel
Engineering Reasoning
0.5-3.0 m/s linear container velocity, 5-60 RPM rotational speed, 0.1-0.5 mm radial clearance
Material yield strength exceeded at 350 MPa stress concentration at starwheel tip, 0.8 mm radial deflection causing container jamming, 85°C thermal expansion exceeding clearance tolerance
Design Rationale: Contact fatigue from Hertzian stress cycles exceeding 10⁶ cycles at 250 MPa contact pressure, abrasive wear from container friction coefficient >0.3, thermal distortion from ΔT>50°C differential heating
Risk Mitigation (FMEA)
Trigger Misalignment exceeding 0.2 mm between infeed conveyor and starwheel centerline
Mode: Asymmetric loading causing 15% torque increase and premature bearing failure within 500 hours
Strategy: Laser alignment system with 0.05 mm tolerance and automatic correction feedback loop
Trigger Container impact force exceeding 150 N at starwheel tip during jam conditions
Mode: Plastic deformation of starwheel projection causing 0.3 mm permanent deflection and loss of positional accuracy
Strategy: Torque-limiting clutch set at 120 N·m with optical jam detection triggering immediate system halt

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Infeed Starwheel.

stainless steel infeed starwheel container positioning starwheel rotating starwheel for machinery engineering plastic starwheel inserts infeed starwheel hub assembly

Applied To / Applications

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

Container Handling System
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 2 bar
other spec: Max container throughput: 500 units/min, Max container weight: 5 kg
temperature: -20°C to 120°C
Media Compatibility
✓ PET bottles ✓ glass containers ✓ metal cans
Unsuitable: Abrasive slurries or corrosive chemical environments
Sizing Data Required
  • Container diameter range (mm)
  • Required throughput rate (units/min)
  • Container material type (PET/glass/metal)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Wear and deformation of starwheel pockets
Cause: Abrasive contact with container surfaces due to misalignment, improper gap settings, or material buildup causing increased friction and localized stress concentrations.
Shaft or bearing failure
Cause: Fatigue from cyclic loading combined with inadequate lubrication, contamination ingress, or misalignment leading to premature wear and eventual seizure or breakage.
Maintenance Indicators
  • Audible grinding, clicking, or irregular rhythmic noise during operation indicating mechanical interference or component wear.
  • Visual observation of containers tipping, jamming, or inconsistent transfer timing, suggesting pocket wear, misalignment, or drive issues.
Engineering Tips
  • Implement regular alignment checks and gap adjustments using precision tools to ensure optimal clearance between starwheel and containers, reducing abrasive wear.
  • Establish a proactive lubrication schedule with appropriate grease types and contamination seals for bearings and shafts, coupled with vibration monitoring to detect early degradation.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems ANSI B11.19 - Performance criteria for safeguarding DIN 8580 - Manufacturing processes
Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Surface flatness: 0.1mm per 100mm
Quality Inspection
  • Dimensional verification with CMM
  • Material hardness testing

Factories Producing Infeed Starwheel

Verified manufacturers with capability to produce this product in China

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✓ 92% Supplier Capability Match Found

P Project Engineer from United States Feb 26, 2026
★★★★★
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Infeed Starwheel meets all ISO standards."
Technical Specifications Verified
S Sourcing Manager from United Arab Emirates Feb 23, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Infeed Starwheel arrived with full certification."
Technical Specifications Verified
P Procurement Specialist from Australia Feb 20, 2026
★★★★★
"Great transparency on the Infeed Starwheel components. Essential for our Machinery and Equipment Manufacturing supply chain."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

11 sourcing managers are analyzing this specification now. Last inquiry for Infeed Starwheel from UAE (26m ago).

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Frequently Asked Questions

What materials are infeed starwheels typically made from?

Infeed starwheels are commonly manufactured from stainless steel for durability, engineering plastic for reduced friction, or aluminum alloy for lightweight applications, depending on the specific handling requirements.

How does an infeed starwheel improve container handling?

The starwheel's rotating star-shaped projections precisely guide and position containers as they enter a handling system, ensuring smooth, accurate transfer and reducing jams or misalignment in production lines.

What are the main components of an infeed starwheel assembly?

Key components include the starwheel body, pocket inserts for container contact, a hub assembly for mounting, and a drive shaft interface to connect to the handling system's power source.

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 Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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