| 单词 | pitch point |
| 释义 | > as lemmaspitch point pitch point n. Mechanics the point of contact of the pitch lines of two cogwheels, gears, etc., which engage with each other. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > parts of wheels > tooth > imaginary line through > point of contact of pitch point1859 1859 W. J. M. Rankine Man. Steam Engine §153. 181 The position of the pinion should be such, that the pitch-point, where its teeth are driven by those of the cogged ring, may be in the same vertical plane parallel to the axis. 1986 Proc. Royal Soc. A. 403 317 The basic condition that the angular velocity ratio is equal to the gear ratio requires that the common normal at the point of contact between the teeth passes through the pitch point P. < as lemmas |
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