Essentials of drafting; a text and problem book for apprentice, trade and evening technical schools (1918)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 100
the diameter of the bolt circle andthe size of bolt holes or bolts. The holes are understood to beequally spaced unless noted otherwise. Shafting. — Shafting should be dimensioned by giving thediameters and lengths together with the sizes of keyways andpins and their location. Shafting is made from… … r/g. E02 necessity for turning and is considerably strengthened by the surface skin which comes from the rolhng process. Hot rolled shafting is black and must be turned to size before using. Usual sizes are: Nominal Diameters of Shafting 1V4 2V2 4 1V2 23/4 4V2 1V4 3 5 2 3V4 5V2 2V4 3V2 6 These are…
Mechanical drawing
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