Product Overview
UHMWPE Sliding Pads are machined wear and sliding components made from ultra-high molecular weight polyethylene. They provide a low-friction, wear-resistant contact surface for moving, guiding and supporting parts in industrial equipment. Custom sizes, thicknesses, mounting holes, slots and profiles can be machined according to technical drawings or samples.
Technical Specifications
|
Feature / Property |
Specification / Value |
|
Length / Width / Thickness |
Fully Custom according to drawings |
|
Hole Diameter & Spacing |
Drawing-based (Through holes, Slotted, Counterbored) |
|
Surface & Edge Profile |
Chamfered, Grooved, Stepped, or Formed |
|
Density |
0.93–0.944 g/cm3 |
|
Water Absorption |
Less than 0.01% (Ideal for wet/submerged environments) |
|
Coefficient of Friction |
Approx. 0.12 (Dry sliding against steel) |
|
Tensile Strength |
Approx. 40 MPa |
|
Flexural / Compressive Strength |
Flexural: ~24 MPa |
|
Hardness & Thermal Range |
Shore D66 |
Key Performance Advantages
Extremely Low Coefficient of Friction (~0.12): Minimizes stick-slip phenomena and reduces drive energy requirements.
Exceptional Wear & Abrasion Resistance: Outperforms traditional carbon steel and engineering plastics under abrasive sliding contact.
Zero Moisture Absorption (<0.01%): Maintains dimensional stability without swelling in wet, washdown, or submerged environments.
Chemical & Corrosion Immunity: Impervious to most acids, alkalis, aggressive salts, and organic solvents.
High Impact Strength: Absorbs severe mechanical shock and vibration without cracking or spalling.
Lightweight Efficiency: Low density allows easy handling and reduces overall equipment deadweight.
Application Scenarios
Industrial Machinery: Machine tool ways, gibs, linear sliding supports, and protective wear inserts.
Conveyor & Automation Systems: High-speed chain guides, wear tracks, side liners, and belt support beds.
Material Handling Equipment: Wear plates for crane booms, forklift mast guides, transfer tables, and chute liners.
Structural & Civil Engineering: Expansion joint sliding plates, bridge bearings, and heavy structural movement pads.
Marine & Outdoor Installations: Dock fenders, boat slipway slides, pile guides, and UV-exposed outdoor sliders.
Material Grade Selection
|
Grade |
Molecular Weight |
Typical Application Focus |
|
Standard UHMWPE |
~1.5 Million |
General sliding components, light-duty conveyor guides |
|
Wear-Resistant UHMWPE |
~3.0 Million |
Standard industrial machinery, medium-duty wear strips |
|
High-Wear UHMWPE |
~5.0 Million |
Heavy material handling, abrasive material transfer lines |
|
Heavy-Duty UHMWPE |
~8.0 Million |
Severe shock load, extreme abrasion, mining & heavy construction |
Selection & Ordering Guide
Part Dimensions
Confirm overall length, width, thickness, and available installation clearance.
Load & Motion
Identify static/dynamic loads, contact pressure, sliding speed, and movement frequency.
Material Grade
Select the appropriate molecular weight grade based on abrasion and temperature conditions.
Mounting & Mating
Specify hole types, hole spacing, and inspect the surface finish of the mating component.
Custom Production Options
Drawing-Based Manufacturing
Direct CNC processing from 2D (DWG, DXF, PDF) and 3D CAD files (STEP, IGES).
Sample Replication
Exact reproduction of existing physical components when original drawings are unavailable.
Prototyping & Sampling
Sample production available for dimensional fit and functional evaluation prior to full production runs.
Quality Control
Material Verification: Grade verification against specified molecular weight before cutting.
In-Process & Final Inspection: Strict checking of hole centers, counterbore depths, edge chamfers, and overall flatness against approved tolerances.
Repeat Order Consistency: Production files, CNC code, and inspection records are archived to ensure identical tolerances and material grades across future replacement orders.
Export Packaging
Surface Protection: Individual part wrapping or protective inter-layer sheeting to protect machined features.
Export-Ready Crating: Strong carton packing for small parts and moisture-protected palletizing or wooden crates for bulk shipments.
Frequently Asked Questions
Q: Can you machine parts directly from CAD files or physical samples?
A: Yes, we machine parts directly from 2D/3D CAD drawings or reverse-engineer physical samples.
Q: What mounting features can be produced?
A: We machine through holes, slots, counterbores, countersinks, grooves, and complex stepped profiles.
Q: How do I select the right UHMWPE grade?
A: Selection depends on contact load, abrasion level, sliding speed, operating temperature, and environmental exposure.
Q: Can you supply free samples and quick lead times?
A: Prototype samples can be provided for verification. Lead times depend on part complexity and order quantity, typically ranging from a few days for prototypes to standard production schedules for batch orders.
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