Makes wooden, plaster, and metal patterns, core boxes, and flasks used by molders in a Navy foundry.
E7 only; Able to perform the duties required for E4-E6; estimates cost for patternmaking jobs; prepares and maintains records and reports required for repair department; solves problems of casting design; applies principles of mold construction and foundry.
(E4-E6) Able to perform the duties of E1-E3;
Applies standard color code finishes; identifies patternmaking woods; identifies ferrous and nonferrous metal; prepares sketches from blueprints or drawings; fabricates layouts from mechanical drawings.