Tips for Troubleshooting Shrink Film Sealing Issues
From bad seals to burn-through, this information helps you address shrink packaging’s most common film and equipment issues. When an operator is experiencing issues with seal integrity, their first instinct is usually to increase the heat on the sealer. Unfortunately, in most cases, this is the wrong adjustment. The first question you should always ask when something is off is “what has changed since it was running right? Start with the Big Three: 99% of all shrink packaging problems come down to three basic issues: 1. Temperature (too hot/cool). 2. Time (too much/little). 3. Pressure (incorrect seal pressure and tension). Here are some things you can try if you are having trouble getting good seals on your L-bar sealer: Check the seal wires: Make sure the seal wires are installed correctly and are not loose, incompatible, or broken. Check the seal-bed pad and tape: Make sure the seal-bed pad and tape are not worn and need to be replaced. Check the seal...