MANUFACTURE OF METALLIC PANEL WITH MEANDERING GROOVE PART AND MANUFACTURE OF METALLIC PANEL WITH MEANDERING FLOW PASSAGE USING METALLIC PANEL WITH MEANDERING GROOVE PART

摘要

PROBLEM TO BE SOLVED: To provide the new manufacturing method for forming the metallic panel with meandering groove parts with a small size press forming machine and manufacturing method of the metallic panel with meandering flow passage which is applicable to various uses of eliminating snow, heating, cooling, etc., using the metallic panel with the meandering groove parts obtained by the above manufacturing method. ;SOLUTION: After completing a 1st stage where the linear groove parts 21a, 21a... of ≥4 are formed by repeating unit press works for pairing the two parallel linear groove parts 21a, 21a on a flat steel sheet 2 at prescribed intervals at required times, curve-shaped groove parts having approximately U-shape in a plane view are formed respectively in the both end parts of the adjacent linear groove parts 21a, 21a by the press work in the 2nd and 3rd stages and the metallic panel on which the meandering groove parts 21 made into one communicated shape from the bigining end to the terminal end is manufactured.;COPYRIGHT: (C)1998,JPO