Page 510 - 02. Subyek Computer Aided Design - Beginner’s Guide to SOLIDWORKS 2019- Level 1 by Alejandro Reyes

Assembly Modeling

23.36. - Check the remaining two DOF by dragging the 'Top Cover' with the left

mouse button; it will rotate about the hole we mated and move up and down. By

adding a coincident mate between the bottom face of the 'Top Cover' and the top

face of the 'Housing' we'll remove one more DOF.

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23.37. -If we click-and-drag the 'Top Cover' it will turn; now we only have one DOF

left. To finish constraining the 'Top Cover' we'll add a Parallel mate between the

'Top Cover' and the 'Housing'. As we explained earlier, the reason for the Parallel

mate is that sometimes components don't match exactly, and if we add a

Coincident mate, we may be forcing a condition that cannot be met, over defining

the assembly and getting an error message. The Parallel mate can be added

between Faces, Planes, and/or Edges. In this particular case, we can use either a

Coincident or Parallel mate since the parts were designed to match exactly.

However, in real life they may not; that's why we chose a Parallel mate .

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