Detailed Description
Feature-The laminate is laid from 200g/m² 3K plain weave prepreg in a [0/90/±45/-45/90/0]s stack of 12 plies, bagged and cured in an autoclave rather than vacuum-bag-only, so resin content and thickness stay controlled across the sheet. Advantage-Autoclave pressure drives down void content, which separates a plate that survives a hard punch-out from one that delaminates at the arm slot; the symmetric balanced stack keeps the plate flat after curing and after CNC, so a 5-inch frame does not arrive pre-warped. Benefit-You get a frame plate that machines cleanly, holds M3 standoffs without crush, and lets you tune rigidity by swapping layup instead of adding another aluminium stiffener.
On the four points your structural review will raise: layup is quoted per part, not per sheet, and can be shifted toward 0° for arm-root stiffness; porosity is controlled by bagged autoclave cure and verified by sample coupon if your spec calls for it (target value Confirm with supplier); batch consistency comes from prepreg cold storage with lot records; CNC runs on a 4.0m×2.0m router with compression and diamond-coated tooling plus vacuum hold-down to prevent edge delamination and fibre fray; temperature, humidity and UV ageing behaviour Confirm with supplier, and we will state resin system and Tg on the quotation rather than guess. [FACT]
Specifications
|
Item |
Value |
|---|---|
|
Material system |
T300-grade carbon / epoxy prepreg, 3K plain weave 200g/m² |
|
Thickness |
2.0mm (12 plies), tolerance ±0.10mm |
|
Layup |
[0/90/±45/-45/90/0]s symmetric balanced |
|
Standard sheet |
500×500mm / 1000×1000mm, custom blank size available |
|
Fibre volume fraction |
Confirm with supplier |
|
Resin content / Tg |
Confirm with supplier |
|
Surface finish |
Natural gloss 3K, matte, or peel-ply for bonding |
|
Machining |
CNC profile, drilled holes, slots, countersinks; tolerance ±0.10mm |
|
Flatness |
Confirm with supplier |
|
Certification |
ISO9001, CE (factory); material test report Confirm with supplier |
Applications
FPV 5-inch frame centre plates and top plates; adjacent arm mounting zones; battery and flight-controller mounting substrates; VTOL transition-section avionics plates; light fixed-wing servo trays and receiver plates.
Why Choose Us
Two things matter on a frame plate: that the hole pattern lands where your CAD says, and that the next batch matches the first. Our 4.0m×2.0m CNC router handles full sheets in one setup, and every prepreg lot is logged from cold storage to finished part, so a re-order in six months is built from the same record rather than from memory. Export paperwork is filed against the actual goods and HS description-no vague declaration on drone-related parts.
FAQ
Can this plate directly replace my current 3mm aluminium centre plate? - Mounting holes can be replicated to your drawing; thickness and layup are back-calculated for equivalent stiffness. Specific weight-saving figures require your loading conditions.
How to choose between 2.0mm and 2.5mm? - Depends on arm-root bending moment and your FC/battery centre of gravity height. Narrow arms favour thicker plate; wide base plates favour thinner. We can provide layup comparisons for both.
What hole-position machining tolerance can you hold? - Profile and hole positions ±0.10mm. Tighter interference-fit holes require advance notice for toolpath and inspection adjustment.
Is the surface forged-carbon pattern? - No, this is natural 3K plain weave. Forged-pattern plates are a separate product line with different tooling; we do not mix the two.
MOQ and lead time? - Prototypes quoted per piece; production MOQ and schedule Confirm with supplier, depending on thickness and co-cure requirements.
Can you provide material test reports? - Factory certifications are ISO9001 and CE. Batch mechanical test reports are provided where actually tested; untested items are marked Confirm with supplier.
Will edges delaminate or fray? - We use compression cutters, diamond-coated tools, vacuum hold-down and secondary finishing passes on holes and slots.
What are the export requirements for drone parts? - Orders are accepted under current dual-use regulations. Provide accurate end-use description and customs documentation; no vague declarations.
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