SAW CUT FIN DEVICE FOR A ROUND TUBE OF A GENERATION BOILER AND INSTALLATION METHOD OF THE SAW CUT FIN THEREOF FOR MINIMIZING THE TRANSFORMATION OF THE ROUND TUBE BY COMBINING WITH THE SAW CUT FIN IN A SEPARATION METHOD AFTER COMBINING THE SAW CUT FIN IN THE ROUND TUBE

摘要

PURPOSE: A saw cut fin device for a round tube and a combining method of the saw cut fin are provided to reduce the costs by easily combining the saw cut fin and preventing the welding transformation of the round tube. CONSTITUTION: In a saw cut fin(20), two saw cut fins are combined in a pair between a certain medium piece(22). The pair of saw cut fins(20) are welded between two round tubes(12) respectively. The medium piece in both ends of the saw cut fins is cut. Thereby, the transformation of the round tube at a welding is minimized.