A Bad Execution: Ennemy #5
To carry out the fabrication of a checking fixture in an optimal way, its manufacturing has to be taken into account when designing it. If we design something that is not manufacturable, then it will be impossible to get what had been initially designed, and the concept will be useless. Understanding the functioning of the checking fixture is crucial to manufacture it well, but this aspect can be neglected on some occasions.
Anyway, even when the latter conditions are fulfilled, some manufacturing mistakes can sometimes occur in the milling process, the adjustments, and so on, and if they are only detected during the last step of the dimensional report, then we run the risk to deliver a non-functional product to the customer.
It is very important to have some sample parts available to help eliminating any error we may not have detected.
The finishings and polishings are also important, since they affect the visual aspect of the checking fixture. A correctly made checking fixture must have a nice and well cared aspect as well, it has to give the impression that all the details have been carefully made. Somebody who sees for the first time a product he has just bought will think this way: if the finishings are good, then it must mean that the basic and functional aspects are correct.
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