Job Description:

• 1) Operates machines to press face of composed type and plates into wood-fiber mat to form stereotype casting mold, pour molten metal into mold, and finish castings by cutting, shaving, and trimming to form plates for printing: Drills matching holes in series of mounted color plates to be duplicated and inserts pilot pins in base to register all plates to key plate for mat molding.

• 2) Lays sheet of mat paper on form or plates, covers assembly with molding blanket and protective sheet, and pushes assembly to self-feeding rollers of mat-rolling machine or into cavity of hydraulic press.

• 3) Adjusts time, temperature, and pressure controls to form and dry mold.

• 4) Cuts and pastes pieces of paper felt or cardboard in large nonprinting areas of mat to prevent collapse during casting of plate.

• 5) Aligns and notches mats of series with key color mat, using matching machine with monocolor magnifier attachment.

• 6) Aligns notches with pins of trimming machine and pushes lever to trim three edges of mat simultaneously.

• 7) Lays mat on casting box platen and arranges steel bars on three sides of mat to confine molten type metal.

• 8) Pours metal into casting box by hand or operates automatic stereotype plate-casting machine.

• 9) Trims plates to specified size.

• 10) May register series of color plates and mats by transparent acetate overlay process.

• 11) May be designated according to task performed as Stereotype Caster; Stereotype Molder.