Pulping Ingredients added to giant blender Recycled paper of all kinds 65 deg C water Blend for 20 minutes The pulp exits from bottom through a screen that screens out plastic & metal Cavity Mold Cavity mold (formation mold) descends into paper pulp mixture Vacuum pulls fiber on to mold Water jets rinse off the …
3D Printing molds for Molded Fiber is something we have been interested in for a long time. Why, you might ask? Simple molds can cost 7-15K and have a 10-12 month lead time, far to high for short run products. In contrast, an open source 3D printed paper pulp molding process will allow small batch / …
Lars Live Stream #80 explains how to draw molds from a part in Fusion 360. This article will give you a quick guide in case you need a refresher. Shrinkage Plastics have a high thermal expansion coefficient. Meaning they expand a lot when heated. Your mold will need to be bigger than your final part …