Measuring Water Flow…

This question came across my desk last week… MJ If I want to measure the flow rate in the mold cooling system, should I measure the water coming IN the mold or the water going OUT of the mold? My Response Either is OK. Unless there is a leak, the IN and OUT flow rates […]

In-Mold Rheology Test…

I received this question via email last week… Sunil I am new to plastics technology and am looking for input on how to do an in-mold rheology test. My Response Although there is much training centered around the in-mold rheology curve, the basics are as follows: Fill the mold as fast as you can with a short shot during 1st stage […]

Silicone Injection Molding Flash

I was recently asked this question… T.P. We have been experiencing problems with excessive flash on a new silicone part. We are injecting a liquid silicone into a mold and letting it set. Could you give any insite to what may be causing this problem? My Response lash is a common issue that must be […]

New Hire Training

I recently had this question asked via email… Ralph, If I am considering training should I require all new hires to take your introductory courses even if they have some past injection molding experience? My Response Yes. When establishing a training system in your company it is important to give every employee an introduction. It is also […]

Follow-Up on Machine Guarding…

I received a few emails after my last post on machine guarding and wanted to follow-up… Jason We have an older pneumatic molding machine at our facility, OSHA has not commented on it, should I still add guarding to it? My Response Personally, I would ensure there is some protection to the machine. On most of these machines, there […]