APPARATUS FOR QUENCHING DISC SAWS Russian patent published in 1998 - IPC

FIELD: heat treatment, namely apparatuses for quenching steel parts in electrolyte, possibly quenching teeth of disc saws for cold sawing of tubes and bent rolled shapes. SUBSTANCE: apparatus includes frame, heater in the form of nozzle with adaptor and anode, cooler, system for circulating electrolyte and mechanism for moving disc saw through heater and cooler. In order to enlarge assortment of treated disc saws and to enhance their strength, mechanism for moving saw is in the form of spindle with controlled rotation drive unit. Cooler is in the form of nozzle provided with adaptor and anode and it is joined with electrolyte circulation system. Anodes of heater and cooler are connected with autonomous controlled direct-current sources. In variants anode of heater is in the form of diaphragm whose effective surface area may be changed. Apparatus may have in addition trough for feeding ceramic crumbs inside nozzle of heater. EFFECT: enhanced strength of disc saws. 3 cl, 4 dwg