Granalladora de alambrón de 13 min/barra, control por programa PLC

Granalladora de alambrón de 13 min/barra, control por programa PLC

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Granalladora de alambrón de alta calidad para limpieza de piezas de fundición y forja, turbina de granallado de acoplamiento directo

Granalladora de alambrón

Esta máquina es el equipo especial ideal para la limpieza de alambrón en rollo. Emplea el proceso de granallado para eliminar la cascarilla superficial del alambrón y la capa de cascarilla generada durante la laminación del acero. Tras el granallado del tocho redondo, el grado de eliminación de óxido de toda su superficie alcanza Sa2,5 y la rugosidad superficial es Ra6,3~12,5 μm. Su producción puede llegar a 15 toneladas por hora.

Finalidad y características de la máquina

Esta máquina es el equipo especial ideal para la limpieza de alambrón en rollo. Emplea el granallado para eliminar la cascarilla superficial del alambrón y la capa de cascarilla generada en la laminación del acero. Después del granallado del tocho redondo, el grado de desoxidación de toda la superficie alcanza Sa2,5 y la rugosidad superficial es Ra6,3~12,5 μm. En comparación con el tratamiento por decapado, presenta las ventajas de economía, respeto al medio ambiente y alta eficiencia. La producción puede llegar a 15–20 toneladas por hora.

El equipo adopta la exclusiva placa portadora de material de hilo redondo con «compuerta giratoria + eje de doble voladizo», que permite el modo de trabajo de doble estación y mejora considerablemente la capacidad productiva del equipo. El eje de voladizo está fabricado en acero aleado especial, para que el alambre realice un movimiento compuesto de «subida y bajada + oscilación izquierda-derecha + rotación en ambos sentidos» durante el granallado, logrando un efecto de limpieza completo. La disposición razonable de los dispositivos de granallado permite que el chorro de granallas impacte eficazmente las superficies internas y externas del alambrón enrollado. Toda la máquina cuenta con control inteligente PLC, con una operación sencilla y fiable.

Modelo del equipo: HSPY-II Nombre del equipo: Granalladora de hilo redondo de doble estación (longitud de brazo 4000 mm–5500 mm)

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1. Indicadores técnicos principales

Especificaciones de la bobina: A. Diámetro del alambre: Φ4~Φ36 mm B. Diámetro interior de la bobina: Φ800–1100 mm C. Diámetro exterior de la bobina: Φ1200–1400 mm D. Altura de la bobina: 2500 mm E. Carga máxima: 3000 kg (alambre de diámetro φ4~φ36 mm)

Modo de soporte y productividad: A. Método de transporte: soporte por voladizo (durante el granallado, el eje de voladizo interior funciona según el programa PLC: rotación horaria y posteriormente rotación antihoraria; el tiempo de rotación es regulable. El eje de voladizo exterior se controla mediante botones manuales, el operador realiza los ajustes desde la consola eléctrica). B. Productividad: 6–13 min/barra C. Longitud útil: 4000 mm–5500 mm D. Velocidad de rotación: 10–20 r/min (regulación de velocidad por variador de frecuencia)

2. Requisitos de calidad superficial tras el tratamiento

A. No queda cascarilla de óxido de hierro sobre la superficie del acero después del granallado. B. Limpieza superficial: Grado Sa2,5. C. Rugosidad superficial: Ra6,3~12,5 μm.

3. Requisitos medioambientales

A. Concentración de emisión al exterior: ≤20–60,0 mg/m³.

Finalidad de la máquina

Esta máquina utiliza cuatro haces de granallas proyectados por turbinas de granallado fabricadas con tecnología avanzada extranjera para impactar la superficie del alambre en movimiento rápido, eliminando la capa de óxido y la cascarilla para obtener una superficie metálica limpia. Se aplica en la industria de fabricación de productos metálicos.

Ventajas de la máquina:

  1. Elimina el óxido y la capa de cascarilla de la superficie del alambre.

  2. La capa superficial del alambrón tras el granallado presenta una rugosidad uniforme, lo que favorece el aumento de la adherencia de los recubrimientos de aluminio y cobre; el revestimiento es homogéneo y no se desprende.

  3. Elimina la tensión interna generada durante el proceso de trefilado de la barra.

  4. Aumenta la resistencia a la tracción y la resistencia a la fisuración por corrosión bajo tensión de la superficie del alambre, alargando su vida útil de forma permanente.

Esta máquina es el modelo más adecuado para el tratamiento de cascarilla superficial de alambre en la industria manufacturera.

Características de la máquina

  1. El equipo tiene alta eficiencia y la superficie del alambre limpio queda con aspecto metálico limpio.

  2. La turbina de granallado cuenta con palas de forma especial para concentrar el chorro de granallas con alta densidad, lo que incrementa la productividad.

  3. La guía controla la separación entre los alambres y limita su oscilación durante la limpieza para garantizar el efecto de granallado.

  4. Incorpora múltiples tecnologías avanzadas nacionales y extranjeras para mejorar el contenido técnico de los componentes funcionales, consiguiendo una baja tasa de averías y alta tasa de disponibilidad. Cuenta con un buen efecto de sellado y cumple los índices de purificación ambiental exigidos por la normativa medioambiental.

Principio de funcionamiento

La fuerza motriz frontal (suministrada por el cliente) arrastra el alambre a limpiar a través de la cámara de granallado mediante ruedas de presión. Dos turbinas de granallado instaladas arriba y abajo dentro de la cámara, junto con otras dos situadas a ambos lados, proyectan granallas a alta velocidad. Estas impactan la superficie periférica del alambre en tránsito para eliminar la cascarilla y la capa de óxido.

Tras la limpieza, las granallas se envían a la parte inferior del elevador por medio del transportador de tornillo; el elevador las introduce en el separador. Las granallas calificadas se alimentan por corriente de aire hasta la tolva para su recirculación. La mezcla no separada de granallas retorna a la cámara de granallado para continuar el ciclo. El polvo fino y residuos de óxido se purifican en el cilindro de sedimentación y el colector de polvo: las partículas grandes se capturan y recolectan, mientras que el gas limpio se descarga a la atmósfera.


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N.ºVentaja
1Amplia gama de aplicaciones, fácil instalación y manejo.
2Fabricación personalizada para satisfacer sus requisitos.
3Buena estabilidad y baja tasa de averías (tecnología madura, acumulación técnica, trabajadores cualificados).
4Aspecto exquisito (proceso de fabricación consolidado).
5Fábrica de gran tamaño, entrega rápida.
6Departamento de inspección de calidad riguroso.
7Venta directa de fábrica con precios competitivos.
8Más de 10 años de experiencia en producción.
9Equipo de diseño profesional a su disposición.
10El sistema principal de control eléctrico utiliza marcas internacionales.
11Certificado CE que garantiza nuestra calidad.




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