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TRABAJO EN PROCESO

Con este upgrade convertimos cualquier SIGMA a filamento de 1.75, usa extrusores Titan y Hotend V6 de E3D Original.

Hemos respetado todos los componentes originales de la impresora, los ventiladores, el termistor y el cartucho calefactor.

El hotend personalizado se cambia por un V6 de serie, que por defecto queda alineado a la misma altura que Hotend original.

No hay que hacer ninguna modificaci\u00f3n en la impresora, revertir la conversi\u00f3n y volver a 2,85 es muy f\u00e1cil.

2024-04-02 He a\u00f1adido el modelo en formato STEP por si quer\u00e9is hacer algun cambio.

Material necesario:

Dos V6 metal only
Dos Fan Duct de E3D
Dos Extrusores Titan Extruder (uno estandar y uno mirrored)
2 x 70 cm de Tubo Bowden recomendado el Capricorn
Dos juegos de piezas en PETG para los nuevos extrusores
Hacer el cambio de cables en el conector del motor siguiendo las instrucciones.

Todo el material que hemos usado para este proyecto es de E3D-Online original

Impresi\u00f3n

Todas las piezas est\u00e1n impresas con PETG Prusament a 0.2mm de capa, 4 paredes y el 60% de relleno.

Cambios

Hay que reconfigurarl el n\u00famero de pasos para el extrusor, en mi caso es de 401.37, esto se hace con pronterface y hay cientos de tutoriales para hacerlo en l\u00ednea.

Los Titan Extruder al utilizarlos con el motor de la impresora funcionan al rev\u00e9s y es necesario invertir los polos de uno de los lados del motor para que gire en la direcci\u00f3n correcta.

Esto se hace cambiando los cables directamente en el conector del motor, con ayuda de un alfiler, se levanta las retenciones y se tira con cuidado del cable del conector, se hace el mismo procedimiento con el otro polo y con cuidado se vuelven a poner en su sitio.

Te conectas con tu impresora, ejecutas estos dos comandos y listo, recuerda que debes de ajustar el n\u00famero de pasos correcto para tu m\u00e1quina.

M92 E401.37 ; Numero de pasos para el extrusor con Hemera.
M500 ; Graba la configuraci\u00f3n en la impresora.

Notas

Tambien hemos probado con el extrusor Hemera de E3D-Online, da un resultado extraordinario, pero nos encontramos con el problema de que no es posible colocarlo en el lado derecho de la impresora, debido a que choca con el motor del eje Y al acercarse a la posici\u00f3n 0.

Probamos con un Hemera en la izquierda y un Tit\u00e1n Extruder en el la derecha y tambien funciono muy bien, los dos son compatibles en el numero de pasos por mm, si vas a usar tu impresora preferentemente con un extrusor, es la combinaci\u00f3n perfecta.

Slicer

Estamos trabajando con la configuraci\u00f3n para Cura, Simplify3D y Prusaslicer, en cuando tengamos una versi\u00f3n lo suficientemente probada de cada uno lo subiremos para que est\u00e9s disponible para descarga.

Si quieres hacer pruebas, puedes partir de la versi\u00f3n de la impresora Sigma y modificar el di\u00e1metro del extrusor, solamente haciendo eso ya empezamos a obtener unos buenos resultados.

La mejor calidad la hemos obtenido hasta ahora con Simplify3D, la imagen de arriba tiene 5 cm. de alto y est\u00e1 impresa con 0.2mm de capa, filamento gen\u00e9rico.

IMPORTANTE:

Cada uno hace esta modificaci\u00f3n bajo su total responsabilidad, asumiendo que un error puede traer graves consecuencias para la m\u00e1quina e incluso destruirla.

Tomate esto como una gu\u00eda para hacer el cambio, no como un manual de instrucciones.

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