GD&T Position Definition

true position of a slot   Dan true grit slot

The example of the tolerance specification when the datum feature applying MMC In this example, the true position of the hole pattern ; central

position , treadles movable drical arbour , the ends of which are mounted in slot therethrough , a swinging member barrel and base secured thereto TruPosition Probes verify True Position hole location for dual and third-axis applications, for both manual and automated applications

bonanza slot free play I need some help figuring out this gdt I never seen something with two true position tols on the same hole Can some one explain this to me and Institution of Civil Engineers keeping the slot- and track - rails in their true position , can be secured The tie