CMAG's independently developed CNC2 Aviation Grade Honeycomb Core is an advanced core material utilizing high-performance aramid paper as its substrate and employing a classic hexagonal structural design. Through unique process control, this product can be manufactured in multiple densities and specifications to precisely meet the lightweight and strength requirements of various aerospace structural components. Its most prominent characteristics lie in achieving exceptional lightweight-to-strength ratios and outstanding rigidity, while inheriting the inherent fatigue resistance and impact resilience of aramid materials. Furthermore, this honeycomb core exhibits excellent flame resistance and environmental stability, providing a reliable and efficient lightweight solution for aerospace equipment.
Performance Parameters
The performance parameters of Aviation Grade Honeycomb Core at ambient temperature are as follows.
|
CMAG cellular model |
Unprocessed compressive strength/MPa |
Steady state compressive strength/MPa |
L-direction cutting/MPa |
W-direction cutting/MPa |
||||||||||||
|
Material - Grid edge length(mm) -Density(kg/m3) |
Hole grid size/mm |
Hole grid size/inch |
Intensity |
Intensity |
Modulus |
Intensity |
Modulus |
Intensity |
Modulus |
|||||||
|
Typ |
Min |
Typ |
Min |
Typ |
Typ |
Min |
Typ |
Min |
Typ |
Min |
Typ |
Min |
||||
|
Hexagonal cell honeycomb (normal cell) |
CNC2-1.83-29 |
3.17 |
1/8 |
0.59 |
0.51 |
0.69 |
0.51 |
45 |
0.52 |
0.41 |
24 |
14 |
0.31 |
0.22 |
11 |
9 |
|
CNC2-1.83-48 |
3.17 |
1/8 |
2.00 |
1.58 |
2.10 |
1.58 |
110 |
1.28 |
0.97 |
42 |
31 |
0.69 |
0.53 |
24 |
18 |
|
|
CNC2-1.83-56 |
3.17 |
1/8 |
2.17 |
1.85 |
2.35 |
1.85 |
133 |
1.55 |
1.28 |
45 |
35 |
0.90 |
0.69 |
29 |
19 |
|
|
CNC2-1.83-64 |
3.17 |
1/8 |
3.43 |
2.42 |
3.74 |
2.42 |
175 |
1.76 |
1.48 |
56 |
41 |
0.96 |
0.74 |
32 |
20 |
|
|
CNC2-1.83-80 |
3.17 |
1/8 |
4.78 |
3.73 |
5.11 |
3.73 |
242 |
2.24 |
1.83 |
72 |
59 |
1.21 |
0.97 |
36 |
31 |
|
|
CNC2-1.83-96 |
3.17 |
1/8 |
6.41 |
4.83 |
6.67 |
4.83 |
- |
2.48 |
2.21 |
89 |
70 |
1.59 |
1.17 |
45 |
40 |
|
|
CNC2-1.83-128 |
3.17 |
1/8 |
11.55 |
8.07 |
12.01 |
8.07 |
- |
2.90 |
2.76 |
110 |
90 |
1.79 |
1.38 |
66 |
45 |
|
|
CNC2-1.83-144 |
3.17 |
1/8 |
13.29 |
10.00 |
14.08 |
10.00 |
- |
3.20 |
2.95 |
120 |
100 |
2.03 |
1.70 |
72 |
55 |
|
|
CNC2-2.75-32 |
4.76 |
3/16 |
0.85 |
0.65 |
1.00 |
0.65 |
66 |
0.61 |
0.50 |
30 |
17 |
0.45 |
0.28 |
16 |
10 |
|
|
CNC2-2.75-48 |
4.76 |
3/16 |
2.03 |
1.58 |
2.12 |
1.58 |
110 |
1.21 |
0.97 |
40 |
31 |
0.70 |
0.47 |
23 |
18 |
|
|
CNC2-2.75-64 |
4.76 |
3/16 |
3.45 |
2.42 |
3.69 |
2.42 |
175 |
1.62 |
1.48 |
52 |
41 |
1.08 |
0.76 |
32 |
20 |
|
|
CNC2-3.67-32 |
6.36 |
1/4 |
0.79 |
0.75 |
1.00 |
0.75 |
66 |
0.62 |
0.45 |
29 |
16 |
0.45 |
0.23 |
17 |
13 |
|
|
CNC2-3.67-48 |
6.36 |
1/4 |
1.47 |
1.40 |
1.80 |
1.40 |
118 |
1.55 |
0.97 |
42 |
31 |
0.75 |
0.50 |
25 |
17 |
|
|
CNC2-3.67-64 |
6.36 |
1/4 |
2.08 |
2.45 |
3.25 |
2.45 |
137 |
1.75 |
1.45 |
55 |
41 |
1.15 |
0.78 |
32 |
20 |
|
|
Stretching honeycomb |
CNC2-2.75-32-0V |
4.76 |
3/16 |
0.79 |
0.62 |
0.87 |
0.62 |
61 |
0.48 |
0.34 |
16 |
9 |
0.51 |
0.38 |
27 |
17 |
|
CNC2-2.75-40-0V |
4.76 |
3/16 |
1.47 |
1.21 |
1.55 |
1.21 |
79 |
0.61 |
0.43 |
19 |
11 |
0.78 |
0.43 |
34 |
20 |
|
|
CNC2-2.75-48-0V |
4.76 |
3/16 |
2.08 |
1.73 |
2.16 |
1.73 |
105 |
0.77 |
0.52 |
22 |
13 |
0.91 |
0.52 |
41 |
25 |
|
|
CNC2-2.75-64-0V |
4.76 |
3/16 |
3.59 |
2.47 |
3.81 |
2.47 |
171 |
0.96 |
0.70 |
28 |
17 |
1.03 |
0.83 |
58 |
34 |
|
Note: Within the CMAG honeycomb range, CNC2 denotes the meta-aramid paper (Aviation Grade) honeycomb grade used internally by CMAG. Alternative cell dimensions, densities and sizes may be provided to meet specific requirements.
Product Features
1. Its unique honeycomb structure confers exceptional specific strength and specific stiffness (approximately nine times that of steel), delivering outstanding mechanical properties while achieving significant weight reduction.
2. Possesses outstanding flame resistance, corrosion resistance and high-temperature stability, significantly exceeding industrial-grade standards to ensure long-term safety and reliability in demanding environments such as aerospace.
3. Strictly selected premium aramid paper raw materials, certified by authoritative third-party bodies, coupled with comprehensive testing throughout the entire process from design to finished product, guarantee product performance and quality.
Application Cases
Aviation Grade Honeycomb Core is extensively utilized in multiple critical aircraft components:
1.Aircraft nose section: Utilized in radar domes, balancing radar transparency with structural rigidity.
2.Cabin interiors: Used for cabin wall panels, overhead luggage bins, bulkheads, and galley surfaces.
3.Airframe structures: Applied in secondary load-bearing components such as wing leading edges, flaps, and rudders.
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