Many older electric molding machines (and a few new ones) have a programming glitch which causes the screw to retract if the packing or back pressure is set too low. Question: When trying to make a short shot, I set my packing pressure to 0 and the machine pulls the screw back during packing. How can […]
Category Archives
Plastics Technology
Optimize Your Clamp Movements
Part removal is the easiest part of the injection molding process to optimize and there is no excuse for basic clamp movement optimization. Situation: While walking the recent NPE 2015 trade show in Orlando, many of the processes were dialed in beautifully where the mold quickly opens and closes while the part is ejected on […]
Train Anywhere on Any Device
Hello Readers, This post is to inform all our readers that all our online content is now deliverable on any device with a high-speed internet connection. You can learn more about our training options at: http://www.traininteractive.com/training/ -Andy
High Temperature Materials…
A question recently came in regarding an older post about running high-temperature materials in normal machinery: High Temp Machinery Question: We run high temp resin in newer electric presses. i do not believe our injection units were retrofitted with any special materials. the main resin put through our units is PAEK with 30% glass reinforcement, […]
Measuring Preform Temperature…
There is no true ‘preform temperature’ because there is dynamic range of temperatures along the entire length of the preform. Question: What should the finish temp be on the preform as it leaves the oven? My Response: There is no specific temperature, but typically a profile this is specific to the material, mold, and equipment you are […]