I received a blog response which highlights a growing trend in the molding industry… Blogger I am using a pressure sensor at the End of Fill on a new all-electric molding machine. With a DIII process, I am having good success in using the pressure at the end of fill for V/P transfer. This works […]
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Routsis Training
Group Training In Different Facilities…
I was asked the following question the other day… Don In our main facility, we follow up our training with group discussions with some success. Unfortunately, in our facility overseas, these discussion groups don’t work at all. Do you have any ideas why this happens? My Response In group settings, there are typically a couple people […]
Results of Screw Wear…
I received this follow-up question in a recent blog and decided to answer it in more detail using the blog… MJ Which kind of process parameters vary when the screw becomes worn? My Response Basically, the most common affects that arise from screw wear relate to the increased back-flow over the flights of the screw. This back-flow increases mixing, […]
Understanding Voids…
I received this question today… AJ A co-worker told me voids are actually not filled with air or gas. Is this true? Could you explain what voids really are? My Response Your co-worker is correct. Voids are sections in the center of a part where material shrinks away from itself and leaves what appears like a […]
Feedthroat Temperature Differences…
I received this question the other day from an experienced molder… Cindy We have 2 different brands of machines. On one brand, the feedthroat temperature is 85-90ºF, yet the other brand has a temperature of 150-190ºF. Is this difference OK…? and could you comment on what effects the higher temperature will have on the process? My Response Regarding the Machine […]