Window Liner / Wear Plate: Thickness 10-50 mm

Component Specifications

Definition

A precision-engineered plate component designed to protect the structural integrity of mill housing window openings by absorbing abrasive wear from metal chips, coolant, and debris during machining operations. It serves as a sacrificial barrier that extends the lifespan of the mill housing.

Working Principle

Acts as a sacrificial wear surface that absorbs abrasive contact from machining byproducts, distributing impact forces and preventing direct damage to the mill housing's structural surfaces through material erosion resistance.

Materials

Medium-carbon steel (AISI 1045/1050, about 0.45-0.50% C), hardened tool steel (AISI D2/D3), or tungsten carbide composite plates with surface hardness of 45-65 HRC.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Thickness	10-50 mm
Surface Finish	Ra 1.6-3.2 μm
Surface Hardness	45-65 HRC
Flatness Tolerance	±0.1 mm/m
Mounting Hole Pattern	Standardized grid (e.g., 50x50 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 2768, DIN 7168

Parent Products

This component is used in the following industrial products

Mill Housing

The main structural frame of a rolling mill stand that supports all other components and withstands rolling forces.

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Engineering Analysis

Risks & Mitigation

Premature wear leading to housing damage
Improper installation causing coolant leakage
Material fatigue from cyclic loading

FMEA Triads

Trigger: Abrasive metal chip accumulation
Failure: Excessive wear reducing protection
Mitigation: Regular inspection and scheduled replacement

Trigger: Improper mounting torque
Failure: Plate displacement or coolant leakage
Mitigation: Follow manufacturer torque specifications and use thread-locking compounds

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.1 mm dimensional accuracy, ±0.05 mm flatness

Test Method

Coordinate measuring machine (CMM) verification, surface hardness testing (Rockwell scale)

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 Window Liner / Wear Plate

Manufacturer profiles associated with Window Liner / Wear Plate.

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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

How often should window liners be replaced in mill housing?

Replacement frequency depends on operating conditions, typically every 6-24 months based on material abrasiveness, coolant type, and production volume.

Can wear plates be resurfaced instead of replaced?

Limited resurfacing is possible for certain materials, but replacement is generally recommended to maintain dimensional accuracy and protection effectiveness.

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.

Window Liner / Wear Plate