Maintenance checklists and service tips for extrusion and thermoforming equipment.
Learn how to diagnose extruder or injection screw wear without removing the screw using pressure data, a five-minute pressure-drop test, process analysis, and industrial endoscope inspection.
How to Diagnose Screw Wear Without Removing the Screw: 4 Practical Methods Read More »
Learn why plastic sheet extrusion produces periodic transverse lines, vibration marks, and bamboo-like patterns. Discover solutions related to mechanical vibration, speed mismatch, and excessive shear stress.
Learn how an extruder back pressure valve controls melt pressure, improves melt homogenization, removes bubbles, and stabilizes extrusion output for better product quality.
Learn how to identify and eliminate gel defects, fish eyes, black specks, and hard spots in extrusion, blown film, cast film, and extrusion coating through a practical four-step troubleshooting method.
Plastic Gel Defects and Fish Eyes: A Practical Troubleshooting Guide Read More »
Why does molten polymer escape from an extruder vacuum vent? Learn the four main causes and a practical troubleshooting sequence, from feed rate and vacuum adjustment to screw configuration and vent-port design.
Extruder Vent Overflow: Four Root Causes and a Practical Troubleshooting Guide Read More »