Wear Sleeve: Inner Diameter 20.0 mm ±0.005 mm

Component Specifications

Definition

The Wear Sleeve is a precision-engineered cylindrical component installed on the rotating shaft of a leather drumming paddle assembly. It serves as a sacrificial protective layer that absorbs frictional wear between the shaft and the leather material during the drumming process, preventing direct damage to the more expensive shaft and maintaining consistent processing quality. Its design ensures uniform contact pressure and heat dissipation during operation.

Working Principle

The Wear Sleeve operates on the principle of sacrificial protection through controlled abrasion. As the drumming paddle rotates against leather hides, friction generates wear primarily on the sleeve's outer surface rather than the shaft. The sleeve's material properties and precise dimensions ensure consistent friction coefficients and thermal conductivity, maintaining stable processing conditions while extending the lifespan of critical shaft components.

Materials

High-carbon chromium steel (AISI 52100) or tungsten carbide composite with surface hardness of 58-62 HRC, corrosion-resistant coating optional

Technical Parameters

Parameter	Typical range	Notes & selection driver
Length	150 mm ±0.1 mm
Weight	Approximately 0.45 kg
Inner Diameter	20.0 mm ±0.005 mm
Outer Diameter	25.4 mm ±0.01 mm
Surface Roughness	Ra ≤ 0.8 μm
Maximum Rotational Speed	3000 RPM
Operating Temperature Range	-10°C to 120°C

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 7154, ISO 2768-mK

Parent Products

This component is used in the following industrial products

Leather Drumming Paddle Assembly

Mechanical paddle assembly for leather tanning drum agitation and chemical distribution.

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Concrete Pipeline

A rigid conduit system that transports concrete from the pump to the discharge point on an articulated boom.

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Engineering Analysis

Risks & Mitigation

Premature wear due to improper installation
Thermal expansion mismatch causing binding
Material fatigue from cyclic loading

FMEA Triads

Trigger: Insufficient lubrication between sleeve and shaft
Failure: Gallting and seizure of rotating components
Mitigation: Implement automated lubrication monitoring and use high-temperature compatible greases

Trigger: Misalignment during installation exceeding 0.05 mm
Failure: Uneven wear patterns reducing sleeve lifespan by 40-60%
Mitigation: Use precision alignment tools and torque-controlled installation procedures

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Geometric tolerances per ISO 1101, dimensional tolerances per ISO 286-2 medium class

Test Method

Dimensional verification via CMM, hardness testing per ISO 6508, wear testing per ASTM G99

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 Wear Sleeve

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Hangzhou Guozhen WanXin Coating Equipment Manufacturing Co.,Ltd

Jiangsu, CN

Also makes: Powder Coating System, Powder Feed Hopper, Drying Oven and 3 more

Listed on the company's own website · profile compiled by CNFX from public sources

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Zhuzhou Chuangrui Cemented Carbide Co., Ltd.

Hunan, CN

Also makes: Spray Nozzle, Jaw Crusher, Structural Steel Welding Electrode

Listed on the company's own website · profile compiled by CNFX from public sources

View profile Send enquiry

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Frequently Asked Questions

How often should the Wear Sleeve be replaced?

Replacement intervals depend on operating hours and material processed, typically every 800-1200 hours of continuous operation or when wear exceeds 0.5 mm thickness reduction.

Can different materials be used for the Wear Sleeve?

Yes, alternative materials include ceramic composites for higher wear resistance or polymer-based sleeves for specific leather types, but compatibility with shaft dimensions must be verified.

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.

Wear Sleeve