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 350
ge. The number of requiredbolts may be found from the following formula : Number of bolts equals 0.7854 X square of diam-eter of cylinder, multiplied by the boiler pressureand divided by 5,000 times the area of a single boltof the assumed diameter. Example : Let the diameter of the cylinder beequal… … Fig. 545. The steam chest must be made as small as thedimensions and travel of the valve will permit. Itusually has the form of a square bo.x, surroundingthe valve face. The steam chest cover, as well asthe sides of it, are usually made of the same thick-ness as the cylinder walls. The size of the…
Mechanical drawing · Machine design
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