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楼主 |
发表于 2024-12-17 14:26
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DIN 21771里鼓形修形的定义并没有明确指定中心位置呀,也就是可以不以分度圆或齿宽中部为中心。(虽然示意图的修形量是呈对称分布的)
6.2.3 Profile crowning (barrelling), Cα
Profile crowning is the continuously increasing relief of the transverse profile from a common defined point of
the main geometry (diameter, length of roll, roll angle) in the direction of the tip and root of the gear teeth.
6.3.3 Flank line (helix) crowning, Cβ
Flank line crowning is the continuously increasing relief of the flank line from a common defined point of the
main geometry, symmetrically in the direction of both ends of the tooth (arc-shaped or parabolic).
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