Duct wing compression unit for elbow type duct manufacturing equipment

摘要

In the process of joining the upper and lower blades of the duct, the upper portion of the lower blade of the duct is firstly horizontally pressed first and then lowered to press the lower blade of the duct secondarily by advancing through the horizontal moving member and the moving urging member , It is possible to prevent the scratching phenomenon on the undersurface of duct due to the pressurizing method through the two motions, to produce a product having a good appearance and to produce a product with excellent merchantability.