Yesterday, I received a question which focuses on the common issue of variability… Nathan Currently we are running a mold (8 cavity) with TPU Estane material with part weight 2.68gms.(Holding time – 5.5sec) Based on the Part 2D drawings the theoretical part weight calculated from 3D Solid works is 2.71 gms. From the gate freeze […]
Category Archives
Plastics Technology
The Affect of Clamp Type on the Effectiveness of Venting…
I just received a question which highlights the difference between cylinder and toggle clamping systems… JP We have a mold in our plant with vents problems (not enough) We have problems with our plastic parts due gas residues on them when we run it in a electric machine (toggle system) and when we run it […]
Adjusting Hot Runner Systems…
I received this question the other day… Milan When I am setting up a process with a hot runner system, I always have to adjust the hot runner nozzles to avoid unbalanced parts. Do you know of any techniques to help eliminate this problem? My Response Although adjusting the temperature of your hot runner drops can help balance your tool, […]
The Role of Consultants…
I am often asked questions similar to the one I just received… Ben We are going to need some technical help… how do I determine whether I should hire another engineer or get a consultant? My Response We deal with technical issues within the plastics industry all the time. Although we openly advertise our expertise […]
Profiling Injection Due to Moldflow Results…
I saw this unique question in my e-mail yesterday… MJ What is your opinion about profiling the injection based on the results of a Moldflow analysis? My Response Mold filling analysis programs such as moldflow can provide a variety of options for filling. For example, you can use the software to profile in order to minimize […]