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Parallelism
Parallelism is a core engineering term. Definition, usage notes, and a practical example.
Definition
Parallelism controls whether two surfaces or axes maintain constant separation.
Why it matters
It defines contact quality for slides, tables, fixtures, and bearing faces.
How it is used
In a design check, first define the relevant load, dimension, material, or flow condition. Then interpret this term by its role in the formula and compare it with limits.
Example
A clamping face not parallel to the mill table can create dimensional error.
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Formulas
No formulas added for this term.