After molding part shrinking takes place. Why is this gap allowed?
SOLIDWORKS – Lip Groove
because of tolerances - making both faces bottom out at the exact same time in real world parts is nearly impossible. and at best is very expensive.
As usual what should be the gap of the dimension?
1-5N2K8J6 wrote: As usual what should be the gap of the dimension?
big enough that the variations due to shrinkage and warpage are not noticeable, but not big enough to look silly .
Hello Maha.. it's called a "Reveal" or a intended planned gap.
You could do a "Zero" gap if you prefer... .. but, there is a reason not to do a zero gap,.. the shrinkage, warpage can = mismatch... so, the gap or reveal helps to distract your eye from the misalignment.
This is to confirm that whether Lip and Groove can apply to no planer surface.
..well.. personally.. I would never use the Lip/Groove feature... it's one of those all-in-one features (like the mold tools). which, again, will not always work... mainly because of the faces used change in direction... and personally, it would be great if SW Corp would expose the all trimmed surface references used for the two halves so we all fully understand what it is and not cutting.
Anyhow.. I'd manually do this... but with the understanding that the outer and inner egg shape would have undercuts and NOT draft properly.
Thanks for the information.
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