| 摘要 |
PROBLEM TO BE SOLVED: To simplify a window frame hemming device when hemming an outer panel to an inner panel, and to improve the manufacturing efficiency. SOLUTION: In this hemming device for hemming the outer panel to the inner panel, an inner edge hemming press 2 is provided in addition to the hemming press at an outer edge of a door window frame, and preliminary bending blades 4 and 6 and permanent bending blades 5 and 7 are provided on the outer and inner edges of the door window frame.
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