Duties The basic function of the machinist is to be able to be read a blueprint or sketch and then operate and/or program manual and CNC machines such as a lathe, mill, grinder, band saw, etc. in order to machine parts to print specifications. Basic machining knowledge is required, as is the ability to interpret, edit, and create g-code programs for lathes and vertical machine centers. In some cases, you will have only a sample part with no blueprint to be measured and duplicated. The tool roo