Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . Fl anerin gmg- A number of sheets have been shown which requireto be flanged immediately after having been laid sheets require punching and shearing before be-ing flanged. Fig. 28 shows the corner of a sheet suchas would be found at the corner of the water spaceframe or at the dome cap, and in flanging it shouldbe remembered that the radius R should be kept as largeas possible. This is especially true where holes are re-quired around the corner of the sheet. When the holesare punch
Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . Fl anerin gmg- A number of sheets have been shown which requireto be flanged immediately after having been laid sheets require punching and shearing before be-ing flanged. Fig. 28 shows the corner of a sheet suchas would be found at the corner of the water spaceframe or at the dome cap, and in flanging it shouldbe remembered that the radius R should be kept as largeas possible. This is especially true where holes are re-quired around the corner of the sheet. When the holesare punched, which is done when the radius is large, 73 Flanging. the sheet is apt to crack during the operation, especiallyif the metal has been badly crushed in flanging. The thickness of the sheet, of course, has a great
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Keywords: ., bookcentury1900, bookdecade1910, bookidlocomotivebo, bookyear1912
