Blow molding troubleshooting pdf

It therefore benefits a CPG company to be proactive in its approach to troubleshooting. The starting point should be the design of the bottle. The 2/27/12 Packaging Insights article, Extrusion blow molding, identifies various design-related considerations that facilitate extrusion blow molding. It's a given that the bottle design must be BLOW MOULDING TROUBLESHOOTING GUIDE Problem/Issue Causes Potential Solutions/Actions Bottle Blow-outs Contamination Check for contamination in resin and regrind. Moisture Check resin for presence of moisture. Bridging in extruder feed section Increase rear barrel zone temperature slightly to prevent voids forming in the melt. Injection Moulding Troubleshooting | HMC Polymers Injection 5 INJECTION TOO SLOW - During the injection portion of the molding cycle, the material does not fill the mold in the recommended injection time. POSSIBLE SOLUTIONS 1. Increase injection pressure. 2. Check injection throttle position and if possible, increase its setting. 3. Injection Moulding Process: Definition, Parts, Working Principle, Defects, Advantages, Disadvantages & Applications [PDF] The Injection Moulding Process is a manufacturing process used for producing parts or components by injecting molten material into the mold cavity. Injection molding can be performed with only one of these materials like glass, plastics, etc. and most commonly,… Adjust the mold cooling temperature to not introduce moisture into the plastic. Sufficient ventilation of each stage, especially the parison mold. Regular maintenance and cleaning of the blow rod and nozzles; check they're not partially blocked. Adjust inflation ratios and pressure of the parison. Troubleshooting Guide for Injection Molding Troubleshooting is the art and science of remedying defects after the process has demonstrated the ability to produce acceptable production parts. Most defects respond to one of a variety of process and/or material changes. The goal is to correctly identify which problem Download Printable Version pdf The information contained in these guidelines is provided in good faith and may assist with problem solving and troubleshooting. The information is offered solely for your information and is not all-inclusive - other variables or constraints may impact the ability of the user to apply them. 3. Orange peel pattern or pitted on the surface of the blow molding products. 4.Volume reduction of blow molding products. 5.Unclear outline or text of blow molding products. 6.Too much flanging and thickness of blow molding products. 7.Excessively deep vertical stripes. 8. The moulded embryo is blown apart when forming. The detailed information for Blow Molding Design Guide Pdf is provided. Help users access the login page while offering essential notes during the login process. Furthermore, you can find the "Troubleshooting Login Issues" section which can answer your unresolved problems and equip you with a lot of relevant information. Injection blow molding: 1. Parison is injection molded around a blowing rod. 2. Injection mold is opened and pa rison is transferred to a blow mold. 3. Soft polymer is inflated to conform t o a This second edition has been written to update the subject of blow molding (BM) in the plastics industry. Many examples are provided of the BM processes using different plastics and relating them to critical factors, ranging from product designs to meeting performance requirements to