Machine drawing; a text and problem book for technical students and draftsmen (1921)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 126
ofteeth, or revolutions may be calculated by the formulas which follow: Ti = number of teeth in first gear A^i = revolutions per minute of first gear Di = diameter of first gear Ri = radius of first gear T2 = number of teeth in second gear A^2 = revolutions per minute of second gear 2)2 = diameter… … Fig. 202. Belt Drive. Some form of belt, rope or chain is then used as in Fig. 202. The for-mulas for Figs. 200 and 202 are:— D2 N2^ Ai R2 A^i 161. Gear Teeth.—Some of the terms used in gear work and thenames of parts of gear teeth are illustrated and named in Fig. 203. Thepitch circles are circles…
Machinery
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