Rogers' drawing and design; an educational treatise relating to linear drawing; machine design; working drawings; transmission methods; steam, electrical and metal working machines and parts; lathes; boiler and parts; instruments and their use; tables, etc (1913)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 279
Fig. 451. rS ^—■*- Fig. 452. -B 1 Fig. 453. 304 ROGERS DRAWING AND DESIGN. … Fig. 454. Example : If the whole driving force at the pitch circle isequal to 12,000 pounds, then the pressure on onetooth will be 8,coo pounds, and the square of the 1-1 r 1 1-11 1 8,000 X 3 thickness 01 the tooth wul equal =6. ^ 4,000 The thickness of the tooth must then be equal to the square…
Mechanical drawing · Machine design
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