Rule of Thumb for Packing…

I am often asked the following question… JH What is a good rule of thumb for second stage packing? My Response In the old days of pressure-controlled injection molding machines, the first stage pressure was used to completely fill the mold slowly while a lower pressure (approx. 40-60%) was used to compensate for shrinkage while waiting for […]

Training Certificates…

I received this comment the other day regarding a recent post… Manager Two of our techs recently received training certification, but I don’t see any real change between them and the other technicians. My Response Most certifications are based on the participants ability to pass some tests in a class setting. This process is beneficial in introducing new techniques […]