Methods and apparatus are disclosed for manufacturing pellet sizing screen rods by applying a chromium plating or coating to elongated stainless steel and carbon steel rod cores of regular (circular) or irregular (T-shaped) cross sectional configuration. The method concerns surface grinding or blasting, cleaning, electroetching, electroplating, and sour-rinsing the rod cores. The apparatus concerns the construction of frames for supporting the rod cores during plating, as well as the construction, arrangement and proportions of the theivers and the plating anode means employed during plating.

Los métodos y los aparatos son divulgados para las barras de la pantalla del apresto de la pelotilla de la fabricación aplicando una galjanoplastia o una capa de cromo a los corazones alargados de la barra del acero inoxidable y del acero de carbón de la configuración representativa (T-formada) regular (circular) o irregular. El método se refiere a moler superficial o a arruinar, a limpiar, a electroetching, a electrochapar, y a amargo-aclarar los corazones de la barra. El aparato se refiere a la construcción de los bastidores para apoyar los corazones de la barra durante la galjanoplastia, así como la construcción, el arreglo y las proporciones de los theivers y de los medios del ánodo de la galjanoplastia empleados durante la galjanoplastia.

 
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