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There is no tolerance on the mating face

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Zoryra Forum Lead
The drawing has a title-block tolerance and nothing on the mating face. Is that enough for a laser nozzle seat, or for any CNC part?

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Zoryra Forum Lead
A title-block tolerance applies only if your standard says it does. If the mating face is critical, put a number on that face.

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Zoryra Forum Lead
For a nozzle seat or an optic seat, call the fit or the flatness. For a drone mount or a cold-plate seal, do the same.

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Zoryra Forum Lead Answer
If you leave it blank, the quote is for a general machined face. We will not tighten it after the chips are cut unless the drawing changes.

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