The essentials of gearing; a text book for students and for self-instruction, containing numerous problems and practical formulas (1911)
Anthony, Gardner C. (Gardner Chace), 1856- · Boston : D.C. Heath · leaf 62
eeth to engage withoutinterference, and the thrust due to this increase in the angle of pressure is an insignificantamount. A system based on this angle of pressure would unquestionably be an improvementover the present one. 45. Method for determining the Least Angle of Pressure for a Given Number… … Pig. 17. angle of pressure to be determined, the leastnumber of teeth Ijeing N. Suppose the gear toengage a rack having standard teeth, then will BC=- = -=-—. D will be the last point of con-P N N ^ tact, and A D = r, the radius of the base circle. A C = A B C = R-p 2R_R(N-2) AC:AD::AD:AB, hcnce, A…
Gearing
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