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How can I recover a "crystallized" cutting disk?


I was cutting an iron L rod, and the cutting disk began to produce red sparks, instead of these habitual bright orange. Simultaneously, its cutting effectiveness was down dramatically. I searched in the web, and learned that this phenomen is named crystallization,and it is due to overheating. Now, my disk is a new one, I want not throw it to the waste.

Any idea how to get it back? THANKS IN ADVANCE!

Disco de corte.jpg
5 comments
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Sep 16, 2011. 3:02 PMsteveastrouk says:
Get a dressing wheel, or diamond, for the thing. Pricey, but useful for other times. You use it to dress the glaze off the grinding wheel.

Steve
Sep 17, 2011. 7:51 AMzavala1857 says:
mi estimado rimar2000, en mi caso cuando me ocurrido ese problema, lo e solucionado, pasando ligeramente una piedra de afilar de grano grueso, se debe tener mucho cuidado por la velocidad de la maquina, por que se puede trabar con el disco produciendo alguna lesion muy delicada, por lo tanto el mejor modo es, poner a trabajar la maquina y apagarla de inmediato para aprobechar el inpulso del motor, y entoces es el momento adecuado de acercarle la piedra, desde luego con la protección de algun guante de cuero grueso y protección de los ojos con alguna careta de policarbonato transparente, logrando con ese metodo dejar de nuevo el disco linpio de la cristalización y listo para volver a cortar como nuevo, debes de aplicar la piedra las veces que sean nesesarias, encendiendo y apagando, la practica te dara la forma de cuantas veces debes aplicar la piedra para eliminar todo lo cristalisado del disco, un saludo desde villahermosa, tabasco, mexico.
Sep 16, 2011. 11:25 AMNachoMahma says:
.  I don't know that it will work, but the first thing I would try is a dressing tool* for a grinding wheel.

*Just an example, not a recommendation.

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