Industry-Verified Manufacturing Data (2026)

Starwheel Body

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Starwheel Body 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 Starwheel Body is characterized by the integration of Mounting Flange and Center Hub. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The main structural component of a container infeed starwheel that provides mounting points for starwheel arms and guides containers during transfer.

Product Specifications

Technical details and manufacturing context for Starwheel Body

Definition
The starwheel body is the central structural element of a container infeed starwheel assembly in packaging and bottling lines. It serves as the foundation that supports and positions the starwheel arms or paddles, ensuring precise alignment and smooth transfer of containers from the infeed conveyor to downstream processing equipment. The body's design determines the starwheel's indexing accuracy and overall system reliability.
Working Principle
The starwheel body rotates on a central shaft, carrying multiple arms or paddles that engage containers. As it turns, the body's precise geometry ensures containers are picked up from the infeed conveyor, held securely during transfer, and released at the correct position to downstream equipment. The body's mounting holes and alignment features maintain consistent positioning of all starwheel components.
Common Materials
Stainless Steel, Carbon Steel, Aluminum Alloy
Technical Parameters
  • Diameter of the starwheel body, typically ranging from 300mm to 1200mm depending on container size and line speed requirements (mm) Customizable
Components / BOM
  • Mounting Flange
    Provides secure attachment points for starwheel arms or paddles
    Material: steel
  • Center Hub
    Connects the starwheel body to the drive shaft and supports rotational movement
    Material: steel
  • Alignment Features
    Ensures precise positioning of starwheel arms and maintains indexing accuracy
    Material: steel
Engineering Reasoning
0-1500 N·m torque, 0-60 RPM rotational speed, -20°C to 80°C ambient temperature
Material yield strength exceeded at 350 MPa von Mises stress, fatigue failure at 10^7 cycles with 200 MPa alternating stress, critical deflection exceeding 2.5 mm at mounting points
Design Rationale: High-cycle fatigue from cyclic bending moments during container engagement, stress concentration at arm mounting bolt holes (Kt=3.2), wear-induced clearance exceeding 0.1 mm causing impact loading
Risk Mitigation (FMEA)
Trigger Misaligned container impact generating 2500 N lateral force
Mode: Bolt hole elongation exceeding 0.3 mm causing arm wobble
Strategy: Hardened steel bushings with 62 HRC hardness, interference fit of 0.05 mm
Trigger Corrosive cleaning solution pH<4 attacking protective coating
Mode: Pitting corrosion reducing wall thickness below 8 mm minimum
Strategy: 316L stainless steel construction with 25 μm electropolished surface finish

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Starwheel Body.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric only (non-pressure component)
other spec: Max container weight: 5 kg, Max rotational speed: 60 RPM, Material hardness: 50-60 HRC
temperature: -20°C to 80°C
Media Compatibility
✓ PET bottles ✓ Glass containers ✓ Aluminum cans
Unsuitable: Abrasive slurries or corrosive chemical environments
Sizing Data Required
  • Container diameter range (mm)
  • Required throughput rate (containers/minute)
  • Mounting interface specifications (flange type/size)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive wear on contact surfaces
Cause: Particulate contamination in lubricant or operating environment causing material removal at starwheel-to-component interfaces
Fatigue cracking in spoke sections
Cause: Cyclic loading from repeated engagement/disengagement operations leading to stress concentration at spoke-to-hub junctions
Maintenance Indicators
  • Audible clicking or grinding during rotation indicating surface damage or misalignment
  • Visible wobble or irregular rotation pattern suggesting bearing wear or structural deformation
Engineering Tips
  • Implement precision laser alignment during installation to minimize eccentric loading and reduce fatigue stress concentrations
  • Establish condition-based lubrication with filtered synthetic lubricants containing anti-wear additives to prevent abrasive particle ingress

Compliance & Manufacturing Standards

Reference Standards
ISO 2768-1: General tolerances for linear and angular dimensions ANSI B4.1: Preferred Limits and Fits for Cylindrical Parts DIN 7184: Tolerances for castings - General tolerances and machining allowances
Manufacturing Precision
  • Bore diameter: +/-0.01mm
  • Surface flatness: 0.05mm across entire face
Quality Inspection
  • Coordinate Measuring Machine (CMM) dimensional verification
  • Magnetic Particle Inspection (MPI) for surface crack detection

Factories Producing Starwheel Body

Verified manufacturers with capability to produce this product in China

✓ 95% Supplier Capability Match Found

S Sourcing Manager from Brazil Feb 05, 2026
★★★★★
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Starwheel Body meets all ISO standards."
Technical Specifications Verified
P Procurement Specialist from Canada Feb 02, 2026
★★★★☆
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Starwheel Body arrived with full certification. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from United States Jan 30, 2026
★★★★★
"Great transparency on the Starwheel Body 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.”

7 sourcing managers are analyzing this specification now. Last inquiry for Starwheel Body from India (1h ago).

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Frequently Asked Questions

What materials are available for the Starwheel Body?

The Starwheel Body is manufactured in Stainless Steel, Carbon Steel, and Aluminum Alloy to suit different durability, weight, and corrosion resistance requirements in machinery applications.

What are the key components (BOM) of the Starwheel Body?

The Bill of Materials includes Alignment Features for precise container guidance, a Center Hub for structural integrity and rotation, and a Mounting Flange for securing starwheel arms.

What is the primary function of the Starwheel Body in machinery?

It serves as the main structural component of a container infeed starwheel, providing mounting points for starwheel arms and guiding containers during transfer operations in manufacturing and packaging lines.

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.

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