Mold makers create molds for plastic and synthetic products, using materials such as plastic, resin, metal, and wood. Basic math skills are required, and knowledge of computer programs and machine tools is helpful. Mold builders may also be responsible for removing materials from the mold and designing the mold for easy manipulation. Safety training is required for chemical handling and powered machinery.
Plastic products, as well as products made from various synthetic materials, are usually made by pouring a synthetic liquid into the mould. The mold will take on the liquid shape as it solidifies. These molds must be created by a mold maker who can manipulate various materials to create a solid mold to manufacture these products. A mold maker can make molds from a variety of materials, including plastic, resin, metal and wood. Qualifications for this position can vary, but generally the candidate does not need any specific level of education.
Basic math skills will be required, and in some cases an employer may require the mold maker to have working knowledge of various computer programs, such as computer-aided design (CAD) programs. These skills can often be learned on the job, although many builders choose to enroll in courses that will make them more valuable candidates. Knowledge of various machine tools, mold processes and materials is also required, although again much of this knowledge can be learned on the job. Many employers also teach the mold maker the molding process from start to finish so that he has a broader concept of what should be done in this type of manufacturing.
After a mold is made and materials are placed into the mold to cure or harden, the mold builder may be responsible for removing the materials from the mold. Sometimes this involves breaking the mold, although in other cases the materials can be carefully removed without damaging the mold itself. The mold builder may be responsible for designing the mold in such a way that easy manipulation of the mold and the materials contained therein is possible. This could mean creating hinges or other fastening devices, as well as materials such as waxes, resins or adhesives.
Various chemicals will be used in a mold building setup, so the mold builder may be required to receive safety training and chemical handling training. If the builder is responsible for the use of powered machinery, it is likely that an employer will require the builder to undergo safety training on the use of these machines. Some machines are computer controlled (CNC) which means that the builder may be required to receive training in the use of CNC technology and machinery.
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