How to Extend the Service Life of Polyurethane Screens: Installation & Maintenance Guide

ANALYSIS OF THE SERVICE LIFE OF POLYURETHANE SCREENS: INSTALLATION & MAINTENANCE GUIDE

Under prolonged exposure to ground stresses, polyurethane screens commonly suffer from cracks and damage. Immediate replacement is necessary upon detection. Since disassembly and installation involve multiple critical steps, proper procedures must be followed to avoid reinstallation errors.

1. Screen Tension & Nut Fastening
During installation, ensure even surface tension and securely fasten the equipment nuts on the screen to prevent loosening and instability.

2. Proper Use of Polyurethane Tape
The polyurethane tape on both sides of the screen must be firmly secured. Reusing old tape reduces shock absorption and may cause premature tail-end damage.

3. Screen Sizing Guidelines

Screen size should exceed the lower layer but be smaller than the upper layer for optimal screening.

Mesh count must meet production standards; non-standard meshes compromise quality.

Larger screens are lighter, while smaller screens require proper arrangement for longevity.

4. Screen Frame & Pressure Ring Design

The dovetail groove design ensures tighter screens under higher pressure.

Standard aluminum alloy frames require gaps between the pressure ring and frame (larger for coarse screens).

Use a wooden hammer or vise to tighten screws symmetrically, avoiding frame breakage.

Conclusion:
Proper installation and maintenance significantly extend polyurethane screen life. Follow these steps to ensure efficient operation and reduce production costs.

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HUATAO Group offers a variety of polyurethane screen plates and is committed to becoming your trusted supplier of high-quality accessories suitable for various screening machines.

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Annie Lu

Huatao Group

annie.lu@huataogroup.com

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