Foro oxicorte oxiplasma plasma chorro de agua prensas y granalladoras, compra venta maquinaria

hola soy colombiano estudiante de mantenimiento electromecanico industrial en el SENA en colombia. me pregunto si me podrian ayudar. estoy realizando un trabajo sobre los pantografos de oxicorte enfocado en dajar un listado como evidencia de cuales son las fallas y los problemas mas frecuentes que se presentan en los pantografos para el oxicorte y cuales sus posibles soluciones. sobretodo estoy enfocado en el problema que se presenta cuando se requieren hacer cortes circulares y estos quedan ovalados buscando sus causas y sus posibles soluciones. cualquier ayuda que me puedan brindar en cuanto a problemas que se les hayan presentado y que han hecho sera de utilidad para mi, de antemano muchas gracias.

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