In the previous two articles, we summarized some common Related Technical Instruction (RT1) that can be used for an apprenticeship program. In this installment, we will make some final recommendations as to what may be good courses for apprenticeship RT1. CNC Classes. All apprenticeship programs in moldmaking should include CNC machining. All personnel need at least a "100-level," basic course, and it is recommended that mold-maker apprentices take up to at least 200-level CNC classes. Whether a person is going to be running a CNC or not, he or she must possess a certain CNC competency level, at least for the sake of interdepartmental communications. It is important that a moldmaker not only understand the basics of G code and the Cartesian Coordinate System, but also some of the design configurations and capabilities of various styles of CNC machines.
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