Question:

How do I wedge clay?

Cómo cuña

Después de seleccionar una de arcilla, debe cuña (amasar) para eliminar las burbujas de aire y asegurar la consistencia uniforme. Un cuerpo de barro que se ha mezclado correctamente y extrusión de una de-airear molino pug es homogénea, y debido a un vacío elimina la mayor parte del aire, que generalmente no necesitan tanta cuña de su primera utilización. Hay dos tipos comunes de la cuña, el corte de cuña método asociado con los alfareros en el mundo occidental y la espiral de cuña método asociado con los alfareros en el mundo oriental. El método de espiral es más eficiente, especialmente cuando acuñando una gran parte de arcilla, pero el método de espiral tiene más tiempo para aprender. Acuñamiento Corte sólo tiene éxito cuando la arcilla es muy suave, por lo que sólo se recomienda si usted está mezclando un muy húmedo y un trozo de arcilla muy seca para su uso posterior.

Espiral de cuña

La espiral de cuña método tiene tres pasos principales: 1. Empuje un cono de arcilla lejos de su cuerpo sobre una superficie horizontal con las palmas de sus manos (la mano izquierda hace la mayor parte de la obra). 2. Una gruesa capa de arcilla es creado por esta presión. Parcialmente rollo de este trozo de arcilla de nuevo en el cono con un movimiento de torsión de las manos. 3. Repita el proceso. Con cada movimiento de empuje, la punta y la superficie inferior del cono, son parcialmente exprimido, dejando la forma con menos masa. Cuando la acción de balanceo se lleva a cabo, la masa se añade a la forma.

¿Dónde comenzar?

Trabajando con arcilla
Una de las cosas más importantes que hacer cuando se trabaja con arcilla es sentirlo. Esto puede sonar absurdo, pero acostumbrarse a la textura y el tacto de la arcilla es importante. La razón de esto es realmente muy práctica. Hay muchos diversos tipos y calidades de arcilla y cada tipo de arcilla es conveniente para una tarea particular. Al comprar arcilla preguntar acerca de la cantidad de grog que la arcilla contiene. Grog es un elemento fuerte en la arcilla que determina la fortaleza o debilidad de los materiales. Si usted va a usar la arcilla para fines escultórico entonces usted necesita fuertes, de arcilla flexible, mientras que la arcilla suave, con menos grog puede ser más apropiado para el trabajo de alfarería.

Sin embargo, no existen reglas rígidas y con frecuencia he utilizado una arcilla que se consideró para la cerámica en mi obra escultórica. Esto es lo que uno tiene que desarrollar una

Calce

Métodos incorrectos de acuñamiento grandes piezas de
arcilla puede causar lesiones, especialmente en la espalda.
El daño puede ocurrir después de un período de varios años.
Cuando la cuña debe ser bien consciente de su
capacidad de levantar un trozo de arcilla, recordando
que este peso tiene que ser maneouvered al menos 21
veces antes de que se acuña. Los músculos de espalda y el estómago
son tensas, si el peso es demasiado pesado. En segundo lugar, la
Las manos deben ser liberados de la pieza de arcilla en la
el movimiento hacia abajo, justo antes de que se pone en contacto
, con su otra mitad, de lo contrario la súbita restricción de
el impulso a nivel de tabla crea temblor que sacude
se transfiere a través del cuerpo a través de las manos, la
último de los cuales actúa como una palanca y sacudidas de la columna vertebral.

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