{"id":7788,"date":"2020-11-30T03:09:52","date_gmt":"2020-11-30T03:09:52","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=7788"},"modified":"2020-11-30T03:09:52","modified_gmt":"2020-11-30T03:09:52","slug":"feeding-tip-cavity","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/es\/feeding-tip-cavity\/","title":{"rendered":"Cavidad de alimentaci\u00f3n"},"content":{"rendered":"

Feeding Tip Cavity is widely used in Aluminum Sheet Casting and hot rolling aluminum coil.<\/strong>
\nThere are other names in practical applications, such as Consejo sobre ruedas<\/a>, Tip Cavity, Nozzle Cavity, Casting Spile, Consejo sobre ruedas<\/a>, Casting Tip, Casting Nozzle, Caster Nozzle.<\/p>\n

\"Consejo<\/p>\n

Feeding Tip Cavity is prone to the following problems during use.<\/strong>
\n1.Castertip blocking<\/strong>
\nWhen a blockage occurs in the Castertip cavity, the metal is restricted from flowing out of the entire width of the Castertip opening, causing elongated pore defects on the surface of the cast-rolled strip.
\nPores may be small holes, which can be observed with the naked eye.
\nSometimes, the voids are inside the strip, and clear oxide streaks can be seen on the surface of the strip.
\nThe correction method is to increase the temperature of the metal. You can also stop the rotation of the roll for a short time to allow the metal to solidify around the obstruction and pull it out when restarting.
\nIn some cases, a blocked Castertip requires replacement of the nozzle plate.
\nGood refining measures are an effective way to prevent Castertip blockage.<\/p>\n

2. Castertip scars<\/strong>
\nMetal solidification may occur inside the mouth cavity or at the opening of the Castertip.
\nThe metal solidifies in the mouth cavity, which is manifested as a reduction in the width of the strip or a hole in the strip.
\nThe reason for this defect may be the leakage of metal from the Castertip or the low temperature of the metal in the nozzle plate.
\nThe correction methods are:<\/strong>
\n\u00b7If the leakage is serious, replace the casting nozzle plate
\n\u00b7Increase the temperature of molten aluminum in the front box
\n\u00b7Increase the casting speed<\/p>\n

3. Fine ripples<\/strong>
\nThis defect is manifested by some horizontally visible light and dark stripes on the surface of the cast-rolled strip.<\/p>\n

The symptoms of this defect are:<\/strong>
\n\u00b7The strip blank has horizontal dark stripes
\n\u00b7Rough edges
\n\u00b7The main motor current value decreases
\nThe reasons for this defect are:<\/strong>
\n\u00b7The metal level is too high, and the metal in the Castertip will vibrate due to the excessive metal pressure, which will cause fine ripples on the plate surface.
\n\u00b7The casting speed is low
\n\u00b7Metal temperature is too high
\nCorrection method: reduce the liquid level of the front tank, lower the temperature of the molten aluminum in the front tank and increase the Castertip speed to minimize the defect.<\/p>\n

\"Cavidad<\/p>\n

4. Hole<\/strong>
\nDue to insufficient supply of molten aluminum, holes are formed in the strip.
\nThe correction method is to increase the metal level of the front box and reduce the casting speed.<\/p>\n

5. Tropical<\/strong>
\nBecause the metal temperature is too high relative to the casting-rolling speed or the uneven temperature distribution in the Castertip, the semi-solidified metal is pressed back into the casting nozzle plate in the casting-rolling zone, leaving irregular holes on the surface after the strip is cast-rolled.
\nThe correction method is to reduce the metal temperature, reduce the casting speed and reasonable Castertip design.
\nArrange the distribution plate reasonably inside the feed nozzle so that the molten metal is evenly distributed along the width of the casting nozzle plate, flows at a constant speed, and the temperature change does not exceed \u00b12\u2103.<\/p>\n

6. Coarse grains<\/strong>
\nUna vez decapada la banda laminada en continuo, se comprueba el tama\u00f1o del grano. La presencia de granos gruesos se debe a una alimentaci\u00f3n insuficiente del refinador de grano o a una velocidad de colada demasiado baja.
\nEl m\u00e9todo de correcci\u00f3n consiste en aumentar la velocidad de colada y la velocidad de avance del alambre de titanio. El contenido de Ti en el aluminio fundido debe situarse entre 0,006 y 0,0081 TP3T.<\/p>\n

7. Columnar grains<\/strong>
\nLa definici\u00f3n de \u00abgranos columnares\u00bb es la siguiente: los granos dendr\u00edticos gruesos que se forman durante la colada se alinean en paralelo sobre la banda. Esto se debe a que el gradiente de enfriamiento de la banda es mayor que el del manguito del rodillo.
\nLos factores y los m\u00e9todos de correcci\u00f3n que dan lugar a los granos columnares son:<\/strong>
\n\u00b7Turbulencia met\u00e1lica en Castertip. Aumenta la velocidad de fundici\u00f3n.
\n\u00b7 La punta de la boquilla de fundici\u00f3n est\u00e1 en contacto con el cilindro. Retira ligeramente la boquilla de fundici\u00f3n hacia atr\u00e1s.
\n\u00b7 Obstrucci\u00f3n en la cavidad de la punta de la rueda.<\/p>","protected":false},"excerpt":{"rendered":"

Feeding Tip Cavity is widely used in Aluminum Sheet Casting and hot rolling aluminum coil. There are other names in practical applications, such as Castertip, Tip Cavity, Nozzle Cavity, Casting Spile, Caster Tip, Casting Tip, Casting Nozzle, Caster Nozzle. Feeding Tip Cavity is prone to…<\/p>","protected":false},"author":1,"featured_media":7789,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[26523],"tags":[49728,50176,50187,50162,50163,50177,50178,50186,50164,50132,50175,50154,50182,50165,50170,50168,50167,50169,50166,50172,50174,50173,50180,50183,50184,50181,50171,50205,50206,50207,50208,50202,50201,50203,50204,50133,50198,50199,50200,50143,50148,50144,50147,50145,50146,50151,50150,50149,50153,50152,50155,50156,50159,50157,50158,50160,50161,50185,50139,50140,50134,50141,50128,50142,50130,50129,50126,50131,50127,50135,50137,50136,50138,50179,50188,50196,50197,50190,50189,50193,50194,50191,50195,50192],"yoast_head":"\nFeeding Tip Cavity is prone to the following problems during use<\/title>\n<meta name=\"description\" content=\"Feeding Tip Cavity is widely used in Aluminum Sheet Casting and hot rolling aluminum coil, and is prone to the following problems during 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