The practical metal-worker's assistant : containing the arts of working all metals and alloys, forging of iron and steel, hardening and tempering, melting and mixing, casting and founding, works in sheet metal, the processes dependent on the ductility of the metals, soldering, and the most improved processes, and tools employed by metal-workers, with the application of the art of electro-metallurgy to manufacturing processes : collected from original sources, and from the works of Holtzapffel, Bergeron, Leupold, Plumier, Napier, and others ... (1851)
Byrne, Oliver · Philadelphia : H.C. Baird · leaf 379
ds on the angleformed by the sides of the thread, when the latter is considered aspart of a cone, or as a wedge employed in splitting timber. Forinstance, in the square thread screw, the thread forms a line at rightangles to the axis, and which is dotted in the figure 476; it is nottherefore a… … represented in the shallow thread screw, Fig. 478; therefore, theshallower the angular thread, the more acute the cone, and thegreater the strain it throws upon the nut. The transverse measureof nuts, whether they are square or hexagonal, is usually about twicethe diameter of the bolt, as…
Metal-work · Electrometallurgy · Metallurgy
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