From the course: Engineering Drawings for Manufacturing

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Dimensioning tips: Shafts, grooves, keyways, and threads

Dimensioning tips: Shafts, grooves, keyways, and threads

From the course: Engineering Drawings for Manufacturing

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Dimensioning tips: Shafts, grooves, keyways, and threads

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- [Instructor] In rotating equipment, shafts are critical components transmitting the rotary power throughout the machine. In this video, we'll give you some tips for dimensioning revolve parts and mechanical features commonly used on shafts like grooves and keyways. It is generally preferred to dimension revolve parts in a side view or section view. This groups all the dimensions for the profile together making the drawing easier to read. Typically, you should place drawing dimensions outside the view outline. However, when a revolve profile is complicated, it can actually be better to place some dimensions on top of the view. This tends to reduce the length of extension lines and is often a bit clearer. When a part has a revolved group, like for an O ring or retaining ring, you will often want to dimension this feature in its own detail view. When dimensioning diameters in detail views, you will only see one side…

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