Detailed Description
Aluminum 5052 skins on mid-size VTOL bodies typically add 380 to 420 gram per square meter at 1.2 mm gauge and show measurable oil-canning under 80 kilometer per hour cruise vibration, which drifts LiDAR mounting planes. Switching to this autoclave-cured hybrid laminate brings panel weight to approximately 210 gram per square meter at 1.0 mm, a 48 percent reduction verified on three customer airframes. Cure cycle holds 0.62 MPa autoclave pressure; void content controlled to 1.4 percent maximum by ultrasonic C-scan sampling per batch. CNC profiling uses PCD-tipped tooling with stepped plunge to suppress edge delamination at ply drop zones. Flatness after 10 thermal cycles from minus 30 degree to plus 75 degree holds plus minus 0.06 mm per 100 mm, critical for gimbal hard-mount interfaces on survey pods. Produced by Guangdong Shenyang New Material, Huizhou-based ISO9001 and CE certified dry carbon composite manufacturer; in-house prepreg cold storage supports batch-to-batch fiber areal weight control within plus minus 1.6 percent.
Specification
|
Item |
Value |
|---|---|
|
Fiber |
T700 UD plus 3K plain prepreg |
|
Resin |
3501-style epoxy, 38 percent vol |
|
Thickness |
1.0 / 1.2 / 1.5 mm |
|
Flatness |
plus minus 0.06 mm / 100 mm |
|
Void content |
1.4 percent max, batch sampled |
|
Application |
VTOL fuselage skin, survey pod base |
Custom FAQ
Q: Do you supply the panel with pre-drilled M3 pilot holes at our DXF coordinates
A: Yes CNC bore program runs from your DXF and pilot holes are held to plus minus 0.05 mm with a first article inspection sheet per panel before batch routing.
Q: Can layup orientation be adjusted for plus 5 degree chordwise bias per our FEA
A: Ply book is revised per customer FEA sign-off and one offcut coupon from the revised lot ships with the batch for your archive.
Q: What cure-record documentation ships with export batch
A: Autoclave temperature pressure curve PDF, prepreg lot certificate and ultrasonic void sampling report are all packed with the commercial invoice.
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