Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 315
the weldis made, the melted scale is forced from between the pieces. If thescarfs were made to touch on the edge of the joint, leaving the centerhollow, the scale not having a chance to escape, would be held in thecenter of the joint, leaving a weak place, and making a bad weld. 280 FORGING 15 Lap… … Fig. IG. be first upset until they are considerably thicker than the rest of thebar. This is done to allow for the iron that burns off, or is lost byscaling, and also to allow for the haniniering when welding the piecestogether. To make a proper weld the joint should be well hammered,and as this…
Mechanical engineering
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