Category Archives

I received this follow-up question from one of our previous blog entries… Chris I don’t understand why it’s best to be full at the end of 1st stage on an open loop machine. Our open loop machines have 1st stage and then total injection forward time which is basically filling and packing time together. We are […]

I was just asked the question… Dave How can I calculate the intensification ratio of my injection molding machine if I do not know my Hydraulic Cylinder Diameter? My Response You can calculate the Intensification Ratio of your machine two ways if you do not know the hydraulic cylinder diameter. The first way to calculate […]

I was recently asked… Brian If I have the option to design my mold for vertical or parting line injection which should I choose assuming I use a vertical machine? My Response If your tool is designed for vertical injection in a vertical molding machine you are not limiting yourself to using a vertical machine. […]

After recently hearing about an on the job injury I decided to post an entry on safety procedures and their importance. My Thoughts Whenever you are servicing a mold be sure to move back the injection unit from the clamping unit. Pressure can build up in the barrel when the nozzle is in contact with […]

I was recently asked to determine if a specific machine is adequately sized for a specific job… The Situation The machine was 40 tons with a 1.5 oz barrel. The part requires less than 5 tons with a 0.1 oz shot size. My Response The machine is much to large for molding a single cavity. The mold […]