People who know the process of duct production are not strangers to the machine. Its main role is to connect the plate and the duct to close the connection for the bite processing, at the same time, lock fomer machine for the manufacture of different shapes of boneshaped duct can be well satisfied. In practice, the machine to sew on the plate to seams what? The following, duct production line manufacturers to introduce you to:
Pittsburgh lock forming machine
seams five major ways:
1, Single-ping bite mouth, for the splice seam plate, duct longitudinal joint seam;
2, A single bite, for round elbows, back and forth bend and duct horizontal slit;
3, A single corner bite mouth, rectangular duct or parts for the longitudinal joints and the elbow, tee at the corner;
4, The joint angle bite mouth, use the same third way;
5, Shuang Ping bite and double seams, the same use of the first and second methods, due to the complexity of this method, the use of small.