Home instruction for sheet metal workers . SEAM ON OUTSIDE CURVE Fig. 197. Bending the 144 Home Instruction for Sheet Metal Workers in a vertical line, as in the front view of the rosette. The stemsare now soldered to the band just completed in Fig. 195 at theirproper distance, as in the elevation in Fig. 190. The band D isthen slipped over the shaft pattern so that the bottom of theband meets the point marked 10v. When the tubes or stems are larger than *4 m- m diameter,plug up one end and fill with melted rosin or hot white sand. Ifa number of stems are required a templet could b
Home instruction for sheet metal workers . SEAM ON OUTSIDE CURVE Fig. 197. Bending the 144 Home Instruction for Sheet Metal Workers in a vertical line, as in the front view of the rosette. The stemsare now soldered to the band just completed in Fig. 195 at theirproper distance, as in the elevation in Fig. 190. The band D isthen slipped over the shaft pattern so that the bottom of theband meets the point marked 10v. When the tubes or stems are larger than *4 m- m diameter,plug up one end and fill with melted rosin or hot white sand. Ifa number of stems are required a templet could be made fromwood or metal as in Fig. 198, in which A represents a piece ofwood having a groove the size of the tube cut out at the end a band throughout the curve and the desired profile of the stemcut as c d. A band iron strap is screwed fast at one end of thetemplet as at c f. By insertingthe plugged end of the tube,while still warm, under the strapas at B and turning slowly alarge amount of labor can besaved. Remove the sand or Fig. is rosin from the Stem, and CUt it Template for Be
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1922
