Machine drawing; a text and problem book for technical students and draftsmen (1921)
Svensen, Carl L. (Carl Lars), 1884- · New York, D. Van Nostrand company · leaf 136
Fig. 218. Cylindrical Cam. remain at rest one fourth of a revolution, rise uniformly during one fourthrevolution and drop with harmonic motion during the remaining onefourth revolution. Divide the circle into a number of equal parts andlay them off on the stretchout line. The first three quarters… … Uniform Uniform Harmonic ■*Rise ^ Rev. -^^Rest 4 Rev.-^*Rise ^ Rev. -^-^Drop 4 R^^-
Machinery
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