by James Wright | Oct 2, 2026 | Aerospace Machining, CNC Machining, Manufacturing Technology
Heat treatment changes dimensions. Not by a lot — but enough to push a tight-tolerance feature out of spec if nobody planned for it. The part goes into the oven at ±0.0005” and comes out at ±0.002” because it grew, shrank, warped, or all three. The heat treater met...
by Accurate Machine & Tool Team | Sep 15, 2026 | Aerospace Compliance & Quality, Aerospace Machining, Blog, CNC Machining
Open ten aerospace drawings and you’ll find ±0.001” on features that have no business needing it. That’s not because engineers are being careless — it’s because tight tolerance has become the safe default in a risk-averse industry. The problem is that “safe” and...
