Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . 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. Figure 30 Tlia Berry Collard Co. Flange or large radius. influence upon the radius R and when the sheet is thick,R should be made large. Fig. 29 shows the cleaning plug in the corner ofthe water space. The metal is flanged so as to give agreater length of threads to the plug than could be ob-tained by going directly through t
Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . 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. Figure 30 Tlia Berry Collard Co. Flange or large radius. influence upon the radius R and when the sheet is thick,R should be made large. Fig. 29 shows the cleaning plug in the corner ofthe water space. The metal is flanged so as to give agreater length of threads to the plug than could be ob-tained by going directly through the sheet as in Fig. the radius around the corner is very large and if thesheet is thick, the construction shown in Fig. 30 is quitesatisfactory, but when the radius is small and the sheet 75 Flanging. is thin the flanging process in Fig. 29 is frequently re-sorted to. In the first place a dimension is usually given
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Keywords: ., bookcentury1900, bookdecade1910, bookidlocomotivebo, bookyear1912
