| 单词 | pressure angle |
| 释义 | > as lemmaspressure angle pressure angle n. Mechanics (in toothed gearing) the angle between the tangent to a tooth at the pitch point and the radial line at that point (a small angle corresponding to a steep tooth profile); (equivalently, for involute teeth) the angle between the line of action and the tangent to the pitch circle at the pitch point. ΚΠ 1900 Formulas in Gearing (Brown & Sharpe Manuf. Co.) (ed. 3) 19 The base of our involute system is the 14½° pressure angle. 1946 L. Toft & A. T. J. Kersey Theory of Machines (ed. 5) ix. 261 If ‘stub’ teeth are used, the pressure angle will be increased to 20°. 2001 Jrnl. Materials Processing Technol. 112 29 The boundary of conjugate and non-conjugate surface regions appears on the worm gear tooth surface when the worm gear has a low pressure angle. < as lemmas |
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