7050 Aluminum Aircraft Connecting Fitting Lug

Fretting‑Wear‑Mitigated 5‑Axis CNC‑Machined 7050 Compact Connecting Lug for Specified‑Model‑Aircraft Secondary Mixed‑Material Joint Interfaces Product Overview Aerospace mixed‑material assembly projects frequently face hidden joint degradation risks on compact lugs: mismatched thermal expansion coefficients between aluminum lugs and adjacent composite substrates trigger micro‑slip under altitude thermal cycling. Repeated tiny relative movement generates fretting wear on mating surfaces, gradually degrading joint pre‑load and triggering scheduled disassembly inspections for target aircraft fleets. This 7050 Alloy Aerospace Connecting Lug delivers fretting‑resistant connection performance for specified‑model‑aircraft secondary mixed‑material joint interfaces. Produced from AMS‑certified 7050 wrought aluminum alloy with outer dimensions 187 × 156 × 56 mm and strict ±0.05 mm dimensional tolerance, the component maintains precise mating‑surface flatness to stabilize contact pressure under…

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