METHOD OF MANUFACTURING PLATE TUBELESS HEAT EXCHANGER

摘要

FIELD: heat engineering. ^ SUBSTANCE: method comprises making conical flanges on the plate and drilling temporary opening in the plate. The flanges are made by means of multiple extruding with removing the bottom of the flanges. The temporary opening is drilled after the first extruding. The surface of the plate is rifled. ^ EFFECT: enhanced reliability. ^ 4 dwg