Category Archives

This is a topic which often occurs when you are processing with various machines. M. How do I compensate for the differences in how my machines handle the transfer from fill to pack? My Response Although we often talk in generalities… each brand and generation of machine has it’s quirks. For example, when using an older […]

I recently received this follow-up question regarding an earlier blog entry… Firdaus To establish a molding parameter, what is the normal percentage tolerence to be used for the injection pressure and other parameters? Currently my process does not have any tolerence and sometimes this may cause difficulty in troubleshooting which will result short mold and […]

In response to a recent blog entry, I got this series of questions… Mauricio How many clamps are needed to hold a specific tool? Which is the correct distance between clamps? Is there an order or sequencing to tightening the bolts? My Response When asked ‘How many clamps should I use?‘ one plant manager I […]

I received this from a blog reader the other day… JF I need to be able to figure intensification ratios for my current presses. Right now I am stumped by the intensification ratios because some of the presses have to parralel cylinders exerting force on the screw…..do you multiply the diameter of both? note: The intensification ratio […]

I just received a question which is a common frustration for any process whether it is injection molding, blow molding, extrusion, or  compounding… Firdaus I have a problem calculating the material usage on the production floor. When I weigh 10 shots the average weight is 5.2g per shot for an 8 cavity mold. We originally calculated a material requirements of 70.2kg […]