First, let’s establish that every process must follow normal scientific molding protocol. With pack and hold at zero, the shot should be 95 to 98% full. Temperatures and pressures should be kept as ...

Machine and process troubleshooting are the most important factors in controlling process and reducing defects. Poorly performing presses lead to process variance and uncontrollable scrap events, and ...

Having finished the Tools of the Trade series on circuit board assembly, let’s look at some of the common methods for doing enclosures. First, and possibly the most common, is injection molding. This ...

Injection molding is a highly-engineered process that demands careful planning and attention to detail if the finished product is to achieve its full potential. The tips in this article should help ...

In the injection molding of plastics, in-mold sensors, as part of a variety of process control packages, have been around for decades. But comparatively recently, similar technology has begun to make ...

Erie Pa. — A low-pressure injection molding machine that can use multiple extruders that heat the melt in an electrically heated barrel, then pump the material into the mold gives low shear, lower ...