Tool for precisely cutting bolted U-rib hand hole
A precision cutting, hand hole technology, applied in welding equipment, manufacturing tools, metal processing equipment, etc., can solve the problems of cutting size and verticality out of tolerance, and achieve the effect of low tooling cost, guaranteeing stability, and guaranteeing use accuracy
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[0022] like Figures 1 to 6 As shown, the tooling of the present invention for bolting U-rib hand hole precision cutting includes a profiling model 1 and a support plate 2 .
[0023] The profiling sample 1 is a rectangular plate structure, which is arranged horizontally and kept parallel to the U rib 4 of the steel box girder plate unit; Through hole 11, and the inner hole wall at one end of the longitudinal direction of the profiling through hole 11 is a semicircle, and the inner contour of the profiling through hole 11 is on the same cutting plane as the U rib hand hole 41
[0024] There are four support plates 2, which are matched and symmetrically welded vertically on the left and right sides of the bottom of the profiling template 1 in groups of two. The side of each support plate 2 facing the U rib 4 of the steel box girder plate unit is an inner section, and each The side of the four supporting plates 2 facing away from the U rib 4 of the steel box girder plate unit is...
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