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GD&T plan to work with 5-Axis CNC
5-axis CNC can finish a part in ONE setup… but your old-school GD&T is silently killing it.
♢ Calling A|B|C across 5 sides?
♢ Flipping parts on the CMM to “check” datums that were never touched again?
♢ Watching perfect in-machine probe results get rejected offshore?
Stop fighting the machine. Do this instead:
• Datum A = your clamping face
• Datum B = one hole/slot to kill rotation
• Composite position + datum shift = happy bonus tolerance
• Profile only to A or A|B
Result: Probe → pass → ship. Setup time and scrap drop 50% overnight.Five-axis isn’t about speed. It’s about designing drawings that finally match reality. Who’s ready to ditch 1990s GD&T? Drop a fire if you’ve felt this pain.
