Examlex
What new contributions to data modeling do UML-style E-R diagrams introduce?
Pitch Diameter
The diameter of an imaginary cylindrical surface delimited by the points where the teeth of a gear or thread profile make contact with the corresponding parts of another gear or thread.
Outside Diameter
The measurement of the distance across the widest point of a cylindrical or round object's exterior.
Root Diameter
The diameter at the bottom of a screw thread or gear tooth.
Pitch Diameter
The diameter of an imaginary circle on a gear, where the teeth effectively engage with the teeth of another gear.
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