Is the part number unchanged after a revision?

Is the part number unchanged after a revision?

Practically speaking, if a revised part can be intermingled in production inventory with previous iterations of that part without any negative effect, then the part iterations are interchangeable and the part number remains unchanged.

What to do about model performance mismatch problem?

The use of k-fold cross-validation will help to some degree. The use of tuning models with a separate dataset too will help. Nevertheless, it is possible to keep pushing and overfit on the training dataset. If this is the case, the test skill may be more representative of the true skill of the chosen model and configuration.

Why do revisions to a part not affect interchangeability?

In this case, it’s not interchangeable. You must issue a new part number, and the new part must be stocked in a different inventory bin. Therefore, design revisions that do not affect a part’s interchangeability are, for inventory and production management purposes, irrelevant.

Are there parts that are not identified by revision?

But the well-accepted rule is that parts are not identified by revision. At some companies, assigning new part numbers can be overly bureaucratic 1, and this may lead to using revision identifiers to distinguish non-interchangeable iterations.

Practically speaking, if a revised part can be intermingled in production inventory with previous iterations of that part without any negative effect, then the part iterations are interchangeable and the part number remains unchanged.

The use of k-fold cross-validation will help to some degree. The use of tuning models with a separate dataset too will help. Nevertheless, it is possible to keep pushing and overfit on the training dataset. If this is the case, the test skill may be more representative of the true skill of the chosen model and configuration.

In this case, it’s not interchangeable. You must issue a new part number, and the new part must be stocked in a different inventory bin. Therefore, design revisions that do not affect a part’s interchangeability are, for inventory and production management purposes, irrelevant.

But the well-accepted rule is that parts are not identified by revision. At some companies, assigning new part numbers can be overly bureaucratic 1, and this may lead to using revision identifiers to distinguish non-interchangeable iterations.