Machinists' and draftsmen's handbook, containing tables, rules and formulas, with numerous examples explaining the principles of mathematics and mechanics as applied to the mechanical trades; intended as a reference book for all interested in mechanical work (1910)
Lobben, Peder, 1858- · New York, D. Van Nostrand company · leaf 409
to cut the rack with acutter shaped for a gear of 135 teeth. This will make the teethin the rack slightly curved instead of straight, as shown in Fig. 6,and this will also make it possible to construct the small gears inan interchangeable set nearer to a true involute, and still havethem run freely… … Fig. 7. Involute Teeth (Cut). The line h g will always be tangent to the base circle,which is concentric to the pitch circle. The diameter of thebase circle is always 0.968 times the diameter of the pitch circle.The circle forming the shape of the tooth must always have itscenter on the…
Mechanical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
