APPARATUS FOR MELTING AND CENTRIFUGAL VACUUM CASTING

摘要

FIELD: foundry, possibly in jewelry. ^ SUBSTANCE: apparatus includes housing communicated with vacuum system; rotation drive unit with bearing assembly; vessel for preliminarily evacuation. Ceramic or graphite melting crucible having cone inner surface widened upwards is mounted in housing in bearing assembly. Gas permeable flask provided with lid is arranged on melting crucible. Flask is made in the form of disc with annular cavity of central gate. Working cavities are arranged in flask radially in horizontal plane and they are communicated with cavity of central gate. After providing evacuation, metal is melted in housing. ^ EFFECT: enhanced quality of jewelry articles, reduced quantity of irreversible waste metal. ^ 1 dwg