From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Diagrams illustrating the sliding action and profiles of involute gear teeth.
Identifier | ExFiles\Box 114\1\ scan0093 | |
Date | 11th January 1937 guessed | |
0.185' DISTANCE FROM PITCH CIRCLE TO BASE CIRCLE ADDENDUM 1.615' PITCH CIRCLE PITCH LINE 0.461 1.513 2'' PRESSURE ANGLE BASE CIRCLE N' INVOLUTE ORIGIN 1 2 3 4 5 6 7 Fig. 6 SHOWING SLIDING ACTION OF INVOLUTE PROFILES OF A PAIR OF MESH-ING GEAR TEETH PITCH CIRCLE DEDENDUM MAAG -2.50 FELLOWS TO -22.53 ADDENDUM +0.69 +1.07 BROWN & SHARPE SLIDING DIAGRAMS OF 12 TOOTH PINIONS TO -∞ +1.0 0 -1.0 -2.0 -3.0 -4.0 -5.0 -6.0 -7.0 -8.0 PITCH CIRCLE DEDENDUM MAAG -2.19 FELLOWS -2.23 BROWN & SHARPE TO -12.00 ADDENDUM +1.0 +0.97 +0.71 0 -1.0 -2.0 -3.0 -4.0 -5.0 -6.0 -7.0 -8.0 Fig. 7 SLIDING DIAGRAM OF GEAR TOOTH PROFILE | ||