Cooling Tower Maintenance for Mold Cooling Systems
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<p>A well-maintained cooling tower is essential for consistent injection molding. Neglected towers cause mold temperature fluctuation and lengthen cycle times.</p>
<p><strong>Weekly Checks:</strong></p>
<ul>
<li>Inspect water level - top off as needed</li>
<li>Check chemical treatment (pH should be 7.0-8.5)</li>
<li>Remove debris from basin and strainers</li>
<li>Listen for unusual pump noise (cavitation indicator)</li>
</ul><p><strong>Monthly Checks:</strong></p>
<ul>
<li>Clean spray nozzles - clogged nozzles reduce cooling by 40%</li>
<li>Inspect fan belts for tension and wear</li>
<li>Test water flow rate at mold supply lines</li>
<li>Check basin for algae growth - treat with biocide if present</li>
</ul><p><strong>Seasonal Maintenance:</strong></p>
<ul>
<li>Drain and clean entire system every 6 months</li>
<li>Replace filter media annually</li>
<li>Inspect and repair insulation on pipes</li>
<li>Calibrate temperature controllers</li>
</ul><p><strong>Pro Tip:</strong> Install a flow meter at each mold station. A 15% flow reduction often indicates blockage before it affects production.</p>
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