A handbook on the teeth of gears, their curves, properties, and practical construction (1890)
Grant, George B. (George Barnard), 1849-1917 · Lexington, Mass., Lexington Gear Works · leaf 44
ld not belike the face curves, and an interchangeableset could be obtained only by great skill intheir formation. If the stand E tips a little out of a rightangle with the table H, the cutter-shaper Bwill be formed with a clearance or relief,and its deviation from a correct form will beslight. If… … INTEBNAI. GEAJRS. We have seen, Fig. 7, that similar odon-toids are conjugate and interchangeable,whether the pitch lines curve the same oropposite ways. When the two lines curve the same way, asin Fig. 15, the smaller gear will work insidethe larger, which is then an internal gear. The theory and…
Gearing
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