Procedimientos operativos para granalladoras de orugas pequeñas


release time:

2026-07-31

Al recibir elPequeñas granalladoras sobre orugas, verifique primero si hay daños

Al recibir elPequeñas granalladoras sobre orugas, verifique primero si hay daños o piezas faltantes. Si todo está en orden, proceda de acuerdo con los siguientes pasos:

1. Abra el armario de control eléctrico y conecte elPequeñas granalladoras sobre orugasCables vivos trifásicos y cable neutro.

Conecte las líneas eléctricas trifásicas a los terminales "380V Power" y el cable neutro al terminal "N". Una vez conectado, encienda el interruptor principal (usando la llave); La luz indicadora de encendido debe iluminarse. Abre el granallado

puerta de la cámara y presione el botón "Correa hacia adelante" en el gabinete de control para verificar la dirección de rotación de la correa (la rotación hacia adentro indica movimiento hacia adelante). Si gira hacia adelante, el cableado es correcto. Si la correa gira en reversa, desconecte la fuente de alimentación principal, intercambie dos de los tres cables activos, vuelva a conectarlos y verifique la rotación nuevamente hasta que la dirección sea correcta.

2. Conecte el suministro de aire comprimido al equipo (presión: 0,5–0,6 MPa).

3. Realice una prueba de funcionamiento sin carga de 10 minutos delPequeñas granalladoras sobre orugassiguiendo la secuencia de inicio a continuación:

Cierre la puerta → Arranque el ventilador → Arranque el elevador → Arranque la pista (rotación hacia adelante) → Arranque la rueda de chorro → Abra la válvula de suministro de abrasivo → Pulso de retrosoplado Proceda al siguiente paso después de 10 minutos de operación sin anormalidades.

Siga los pasos anteriores en orden inverso para apagar.

4. Agregue perdigones de acero (agregue según los requisitos de las piezas a limpiar). Abra la puerta de la cámara de granallado y encienda el ventilador; poner en marcha el ascensor; iniciar la cinta transportadora en dirección de avance; luego agregue perdigones de acero a la correa; agregar aproximadamente 200 kg a 300 kg es suficiente.

5. Antes de comenzar la limpieza real de la pieza de trabajo, ajuste la duración de la limpieza y la velocidad de alimentación del abrasivo.

Configuración de la duración de la limpieza: ajuste el relé de tiempo en el panel de control eléctrico antes de la operación (donde h indica horas, m indica minutos y s indica segundos) y configure el tiempo de limpieza de acuerdo con los requisitos de la pieza de trabajo.

Ajuste del caudal de disparo: Antes del arranque, gire el tornillo de ajuste de la válvula de disparo en el sentido de las agujas del reloj para colocar la válvula en su posición mínima. Cierre la puerta de la cámara de granallado y encienda la máquina siguiendo la secuencia adecuada. Luego, gire el tornillo de ajuste en el sentido contrario a las agujas del reloj para aumentar gradualmente el flujo mientras monitorea la lectura del amperímetro; Una vez que la corriente alcance 12-13 A, bloquee el ajuste en su lugar con la contratuerca.

Durante la producción posterior, realice los ajustes necesarios según la lectura del amperímetro, asegurándose de que la corriente no supere un máximo de 15 A.

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6. Prueba de funcionamiento con piezas de trabajo Abra la puerta de la cámara de granallado, cargue las piezas de trabajo en la cámara y cierre la puerta de forma segura. Establezca el tiempo de granallado deseado y encienda la máquina para realizar la operación de granallado siguiendo la secuencia de inicio descrita anteriormente. Una vez finalizado el proceso, abra la puerta y retire las piezas manualmente, o utilice la función "inversión de cinta" para descargarlas; Entonces finaliza el ciclo de voladura.

7. Precauciones:

7.1 Ajustar el ángulo del manguito direccional de la rueda de chorro; el ángulo debe establecerse en aproximadamente 10 grados con respecto a la dirección de rotación (observe la uniformidad del patrón de granallado en la pieza de trabajo).

7.2 Verifique que la correa del elevador no esté floja después de un período de operación y ajústela rápidamente si es necesario.

7.3 Inspeccione periódicamente las palas y los revestimientos de la turbina para detectar desgaste; reemplácelos inmediatamente si están dañados.

7.4 Detenga periódicamente el ventilador y active el sistema de retrosoplado por pulsos. Siempre que las condiciones de producción lo permitan, ejecute el ciclo de retrosoplado durante unos minutos después de cada proceso de limpieza para evitar una acumulación excesiva de polvo en los cartuchos del filtro, lo que podría afectar la eficiencia de eliminación de polvo y reducir la vida útil de los cartuchos.


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