Wear Liner/Insert (Optional): Thickness 3-10 mm

Q: When should I use a wear liner on a starwheel?

Use a wear liner when handling abrasive products, during high-speed operations, or when frequent cleaning causes wear. It extends the starwheel's life and maintains pocket accuracy.

Q: Are wear inserts interchangeable between brands?

Not always. While some standard sizes exist, inserts are often machine-specific. Check compatibility with your starwheel or disc model and consult the manufacturer.

Q: How do I install a wear liner?

Clean the surface, apply adhesive if required (for some polymers), and secure with mechanical fasteners or press-fit. Follow manufacturer guidelines to avoid misalignment.

Component Specifications

Definition

A removable or replaceable wear-resistant component designed to protect high-contact surfaces of starwheels or pocketed discs in material handling and packaging machinery. It absorbs abrasive wear from product contact, preventing damage to the main disc structure and maintaining dimensional accuracy of pockets or star points over time.

Working Principle

Acts as a sacrificial layer that undergoes wear instead of the base starwheel or disc material. By concentrating wear on a replaceable component, it preserves the critical geometry of the machine element, ensuring consistent product handling, alignment, and timing while reducing downtime for repairs.

Materials

Typically made from ultra-high-molecular-weight polyethylene (UHMW-PE), polyurethane (PU), hardened steel (e.g., AR400 or AR500), or ceramic composites. Selection depends on application: UHMW-PE for low-friction, non-marking uses; polyurethane for elasticity and impact resistance; hardened steel for extreme abrasion; ceramics for high-temperature or corrosive environments.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Hardness	50-70 Shore D (polymers) or 400-500 BHN (steel)
Thickness	3-10 mm
Wear Rate	<0.1 mm/1000 operating hours under standard conditions
Operating Temperature	-40°C to +80°C (polymers), up to 500°C (ceramics)

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 3408, DIN 1544

Parent Products

This component is used in the following industrial products

Starwheel or Pocketed Disc

A rotating disc with precisely shaped pockets that receives, orients, and transfers bottles in an unscrambling system.

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Engineering Analysis

Risks & Mitigation

Improper installation causing misalignment
Material incompatibility leading to premature wear
Inadequate thickness reducing protection
Chemical degradation in harsh environments

FMEA Triads

Trigger: Adhesive failure or loose fasteners
Failure: Liner detachment during operation
Mitigation: Use recommended adhesives, torque fasteners to spec, and implement regular inspection schedules.

Trigger: Excessive abrasive wear
Failure: Liner wear-through exposing base material
Mitigation: Select higher-wear-resistance materials, increase liner thickness, or reduce product abrasiveness.

Trigger: Thermal expansion mismatch
Failure: Warping or cracking of liner
Mitigation: Choose materials with compatible thermal coefficients and ensure operating within temperature limits.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.5 mm on thickness, ±0.2 mm on pocket/starlobe dimensions

Test Method

ASTM G65 for abrasion resistance, ISO 527 for tensile strength (polymers), visual and dimensional inspection per ISO 2768

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.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Wear Liner/Insert (Optional)

Manufacturer profiles associated with Wear Liner/Insert (Optional).

Sourcing Wear Liner/Insert (Optional) from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

When should I use a wear liner on a starwheel?