Thomas, Hugh Kerr · New York : McGraw-Hill Book Co. · leaf 79
in motion by hand,weights were added to the cord on the worm drum until a con-stant speed of rotation could be maintained. On substituting heavier weights, it was found that a greaterweight was needed to keep the wheels in motion, and, severalobservations being thus made, a number of values were… … 00 fe EFFICIENCY OF WORM GEARING 67 these fell in a straight line as shown by the line A (Fig. 29)The observed points being TABLE VII Pressures x Load to overcome friction y 2 1b.4 1b.8 1b. 3.754.756.75 It is evident that the loads y are the product of xXfJ. .2 5 fe Curves showing Values of Ai from…
Gearing, Worm
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
