for PVC- and urethane-based synthetic belting; and in Reading ... facility in Reading, doubling the injection molding equipment there, with a goal of molding between 80 and 90 percent of its sprockets ...

which fills the mold with melted plastic. [Print Practical] thought it just might be possible to 3D print custom molds at home and do it himself. His first attempt didn’t go so well. As it turns ...

With the core loaded into the mold, urethane resin is poured in through the top until all the empty space is filled. But you’re not done yet. All those little air bubbles in the resin need to be ...