history of mold designer
After the Second World War, people started using plastics more and there was a need for people who could design molds for plastic products. At first, these molds were made by artisans in tool and die maker shops. These artisans were skilled in making accurate steel tools and dies, and they often worked closely with the injection molding company (the person who would use the mold to make the product) to make sure the mold was made correctly. The molder draws a picture of how the mold should look. The boss then oversees the machinists as they make the parts for the mold. Once the mold is finished, the boss tests it to make sure it works well. These molds were usually good for the few existing plastics molding materials at the time and were satisfactory for the low productivity expected from such molds. In the past, plastics were not very good quality and could only be used for a few things. But now there are much better plastics that can be used for lots of different...