Case Study: Intentional SabotageIn this case the machine started running short shots, and the fill pressure became pressure limited. Troubleshooting through the problem showed that the purge pressure on the machine was very high. The nozzle tip was removed and a distorted penny was found jammed against the tip. The penny was blocking much of the material flow through the nozzle. The guess was that a disgruntled employee had decided to toss a penny in the material gaylord.In another case a similar problem occurred and upon removing the nozzle assembly screws were found in the nozzle and tip.