次要
发表于 2025-3-21 18:11:00
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磨坊
发表于 2025-3-21 22:28:53
Synopsis, with the unique pair of parallel planes that contain the two shaft axes. The magnitude of . (mm/rad) is worked out and presented algebraically. Both the pitch line and its pitch are openly held to be (and later shown to be) of fundamental importance in design. The ., which is roughly speaking the r
审问,审讯
发表于 2025-3-22 03:09:10
The Fundamental Law of Gearing,ion. See however §2.25. Properly constructed . gears, on the other hand, obey the fundamental law by virtue of the shapes of the profiles of their . sets of teeth. The shapes are determined by the underlying geometry of the required, smooth transmission of motion, and are thus describable by discove
urethritis
发表于 2025-3-22 04:43:17
Mating Involute Helicoids,dley . Each of them showed that any two involute helicoids, axially mounted upon two shafts generally disposed, and in contact a single point, would under all circumstances (a) transmit rotary motion with uniform angular velocity, and (b) do so with the point of contact moving in a straight line
murmur
发表于 2025-3-22 10:52:48
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储备
发表于 2025-3-22 13:41:11
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储备
发表于 2025-3-22 20:12:38
Mechanics of the Phantom Rack,(d) the slip tracks. In this chapter 9B, we deal now with other geometrical aspects of the involute helicoid that are important not only in general but also in that they relate to the mechanical processes of the machine-cutting of teeth.
小平面
发表于 2025-3-22 21:54:08
Mathematics of the Machining,he axis of the construct. Notice that, whereas for the sake of clarity and comparability the figures 3.03 and 9A.01 are drawn employing the same, comparatively large . (. = 60°), the more practical angles . in the figures of WkEx#1 at chapter 5B are much smaller; the two of them are, there, only 4.8
主动脉
发表于 2025-3-23 03:44:02
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Wallow
发表于 2025-3-23 06:36:48
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