
? 7075 + CF + + PEEK 。
?
。 ? ? ? PEEK ?
——Alloyer CNC(2026-05) Flex Precision Composites(2026-03) (2026-07)—— 。 " " 。
。 "7075 + CF + + PEEK " —— 。
| 6061-T6 7075-T6/T651 | ||
| Toray T700/T800H/ Vf≥62% | ||
| Ti-6Al-4V (Gr.5 / TC4) | ||
| AZ91D | ||
| PEEK( / / ) | ||
| 4140 / 303 / 304 |
。 Vf=62% 。
| (g/cm³) | (MPa) | UTS (MPa) | E (GPa) | UTS/ρ | E/ρ | K_IC (MPa √m) | (%UTS) | ||
|---|---|---|---|---|---|---|---|---|---|
| Al 6061-T6 | 2.70 | 276 | 310 | 69 | ~115 | 25.6 | ~29 | 30-40% | 1.0x |
| Al 7075-T6 | 2.81 | 503 | 572 | 71.7 | ~204 | 25.5 | ~26 | 30-40% | 1.5x |
| CF T800H/ | 1.60 | — | 1500+/5490 | 230-294 | ~3500 | 144-184 | 5-8 | 60-70% | 5.0x |
| Ti-6Al-4V | 4.43 | 880 | 950 | 114 | ~214 | 25.7 | 55-60 | 50-60% | 8.0x |
| AZ91D | 1.81 | ~160 | ~230 | 45 | ~127 | 24.9 | ~15 | 30-35% | |
| PEEK | 1.30 | ~90 | ~100 | 3.6 | ~77 | 2.8 | 3-4 | — | 15.0x |
| 4140 | 7.85 | 655 | 745 | 200 | ~95 | 25.5 | 80+ | ~50% | 1.5-2x |
- CF >> Ti ≈ 7075 > 6061 > > > PEEK。 15-17 / 。
- CF >> (24-26 )> PEEK。 —— / CF 6-7 。
- > > > > PEEK > CF。 7-12 。CF —— 。
- CF (60-70% UTS) > (50-60%) > (~50%) > / (30-40%)。CF 。
" " $E/\rho$ 。
- 6061 7075 ( 276 503 MPa)。
- —— " " " " 。
- ( / / ) 。
vs
Flex Precision 7075 。 50mm 3mm 300mm。
$D_{in} = 50 - 2 \times 3 = 44$ mm
$$A = \frac{\pi}{4}(D_{out}^2 - D_{in}^2) = \frac{\pi}{4}(50^2 - 44^2) = 442 \text{ mm}^2$$
$$I = \frac{\pi}{64}(D_{out}^4 - D_{in}^4) = \frac{\pi}{64}(50^4 - 44^4) = 1.04 \times 10^5 \text{ mm}^4$$
$$m_{CF} = \rho_{CF} \cdot A \cdot L = 1.6 \times 10^{-3} \times 442 \times 300 = 213 \text{ g}$$
$$m_{Al} = \rho_{Al} \cdot A \cdot L = 2.81 \times 10^{-3} \times 442 \times 300 = 374 \text{ g}$$
$$\Delta m = \frac{374 - 213}{374} = 43\% \text{ }$$
$$EI_{CF} = E_{CF} \cdot I = 294 \times 10^3 \times 1.04 \times 10^5 = 3.06 \times 10^{10} \text{ N mm}^2$$
$$EI_{Al} = E_{Al} \cdot I = 71.7 \times 10^3 \times 1.04 \times 10^5 = 7.46 \times 10^9 \text{ N mm}^2$$
$$\frac{EI_{CF}}{EI_{Al}} = \frac{3.06 \times 10^{10}}{7.46 \times 10^9} \approx 4.1 \text{ }$$
( / / ) —— $I = mr^2$ 。
15% 22% 。 > > > > 。 —— 。
。 / 。
- 5-8 MPa √m( 1/3-1/5 1/8-1/12)
( / )
- ( )
- ( )
- /
—— 。 。 " " 。
" " " "。 /
| 7075-T6 | 6061 | ||
| / | CF + | 7075 I-beam | CF |
| / | Ti-6Al-4V | 4140 | |
| 6061/7075 | |||
| PA-CF | CFRP | ||
| PEEK | PA66-GF | PEEK |
Alloyer "7075-T6 Aluminum is the industry standard for joint housings." "A practical humanoid structure is usually a multi-material system rather than a robot made from one lightweight material." 。
flowchart TD A[" ?"] --> B{" / ?"} B -->|" "| C{" ?"} C -->|" "| D["Ti-6Al-4V
K_IC 55-60, σ 880 MPa"] C -->|" "| E["7075-T6
K_IC 26, σ 503 MPa"] B -->|" "| F{" ?"} F -->|" "| G{" ?"} G -->|" "| H["CF +
43% 310%"] G -->|" "| I["CF 7075 I-beam"] F -->|" "| J{" / ?"} J -->|" "| K["PEEK "] J -->|" "| L["6061/7075
/ "] 。 Kimi WebBridge ——Boston Dynamics Tesla Figure AI —— " "。
({ "_height": "380px", "backgroundColor": "transparent", "grid": { "left": 130, "right": 80, "top": 20, "bottom": 30 }, "tooltip": { "trigger": "axis", "axisPointer": { "type": "shadow" }, "backgroundColor": "rgba(15,23,42,0.95)", "borderColor": "#3ddc97", "borderWidth": 1, "textStyle": { "color": "#e2e8f0" }, "formatter": function(params) { var p = params[0]; var heights = [190, 92.5, 69, 60, 57, 55, 55]; var h = heights[p.dataIndex]; return p.name + "
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" + m + ": " + labels[params.value[2]]; } }, "xAxis": { "type": "category", "data": [" ", " ", " ", " ", "PEEK", " / "], "splitArea": { "show": false }, "axisLabel": { "color": "#334155", "fontSize": 12, "fontWeight": "bold" }, "axisLine": { "lineStyle": { "color": "rgba(148,163,184,0.2)" } }, "axisTick": { "show": false } }, "yAxis": { "type": "category", "data": ["BD Atlas", "Tesla Optimus", "Figure 03", " A2", " Ultra", " G1", " SE01"], "splitArea": { "show": false }, "axisLabel": { "color": "#334155", "fontSize": 11, "fontWeight": "bold" }, "axisLine": { "lineStyle": { "color": "rgba(148,163,184,0.2)" } }, "axisTick": { "show": false } }, "visualMap": { "min": 0, "max": 2, "show": false, "inRange": { "color": ["#e2e8f0", "#fbbf24", "#22c55e"] } }, "series": [{ "type": "heatmap", "data": [ [0,0,2],[0,1,2],[0,2,2],[0,3,0],[0,4,0],[0,5,0], [1,0,2],[1,1,2],[1,2,2],[1,3,0],[1,4,2],[1,5,0], [2,0,2],[2,1,0],[2,2,0],[2,3,0],[2,4,0],[2,5,2], [3,0,2],[3,1,2],[3,2,0],[3,3,0],[3,4,2],[3,5,0], [4,0,2],[4,1,2],[4,2,0],[4,3,2],[4,4,0],[4,5,0], [5,0,1],[5,1,0],[5,2,0],[5,3,0],[5,4,0],[5,5,0], [6,0,2],[6,1,0],[6,2,0],[6,3,0],[6,4,0],[6,5,0] ], "itemStyle": { "borderRadius": 6, "borderColor": "#ffffff", "borderWidth": 2 }, "label": { "show": true, "formatter": function(params) { var labels = {0: "—", 1: " ", 2: " "}; return labels[params.value[2]]; }, "color": "#1e293b", "fontSize": 11, "fontWeight": "bold" }, "emphasis": { "itemStyle": { "shadowBlur": 8, "shadowColor": "rgba(0,0,0,0.2)" } } }] }) | / | |||||
|---|---|---|---|---|---|
| Boston Dynamics Electric Atlas | 190 cm | 90 kg | 56 | 3D + | |
| Tesla Optimus Gen 2/3 | 173 cm | 57 kg | 28+50 | + CFRP + PEEK + Ti-6Al-4V | PEEK 6.6-8kg x2 |
| Figure 03 | 170 cm | 60 kg | 30 | + + | CNC / / |
| A2 | 169 cm | 69 kg | 40+ | + | PEEK + PA66 CF 30% |
| Ultra | 180 cm | 55 kg | 42 | + + | |
| G1 | 173 cm | 92.5 kg | 42 | ||
| SE01 | 170 cm | 55 kg | 32 | + 5-10 |
Boston Dynamics Electric Atlas(90kg / 56 DoF)——2024 4 " + " 。Atlas SLM 3D Ti-6Al-4V(Grade 5) (AlSi10Mg ) 。SLM 175-350W 30-60μm 67° ( <100ppm) 15-45μm 。 SLM EBM SLM (Ra 5-10μm vs EBM 15-30μm) 0.3-0.5mm Atlas 。
(Topology Optimization) Atlas 。 14-17%( >4) 16-32% 17-32% 40% 3 18%。 Gyroid / Diamond (TPMS) 60-80% 30%。 10-15 1 SLM 50% 。
Atlas /PEEK 60-70% 60% 40% 。 T700S T800H PEEK 0°/±45°/90° Vf=60-65%。CF (CFRP 0 vs 23×10⁻⁶/°C) 。
/ ( 4-8mm) 7075-T6 ( 5-10L) 10-21 MPa 。 (H 180°C )+ /PEEK NdFeB (BH max >50 MGOe)+ 0.2-0.35mm + (100Cr6 TiN ) 。 ~20-30% ~60-80% 500 5000 >80dB <60dB。 " " " " 。
Tesla Optimus Gen 2/3(57kg / 78 DoF)—— PEEK 。 CFRP Ti-6Al-4V (3D 40% 3 ) / 。
PEEK Tesla 6.6-8 。 PEEK 70% 2 PEEK 40% PEEK(CF/PEEK) 。PEEK 1.30 g/cm³ 260°C 100 MPa(CF/PEEK >250 MPa) 0.1 。 PEEK 400-500 /kg (800-1000 /kg) 40% 。
。 3D / 。 T800 ( 5490 MPa)+ PEEK CF/PEEK 。 PEEK " "。 PEEK 。 。
Figure 03(61kg / 30 DoF)—— " " 。Figure 03 CNC ( Figure 02 CNC >1 ) (MIM) <20 90%。
(Structural Battery) F.03 (2.3kWh 5 2kW ) 。 + + ( HSS 340LA/420LA AHSS DP600/DP800) 1 ( ADC12/A380 ~96 W/m K 9-12% ) ( 25-35 MPa 20-30 MPa) - (SPR) 。 2kW 。
F.03 + + Pack + 。 UN38.3 UL2271 ( UL 23 / / )。 。
+ 。 (20-30 kg/m³) (60-80 kg/m³) (100-150 kg/m³) 。 (UHMWPE/Dyneema) (Kevlar) Cordura (500D-1000D)。Figure BotQ 12,000 100,000 2026 4 1 / ( 1 1 / 24 )。
A2(69kg / 40+ DoF)—— + 。 PowerFlow 430 N m 50 Nm/kg A2 270 N m 10 。
PEEK ( PEEK PEEK 1.30 g/cm³ 0.1 260°C ) PA66 。 ( 63.62%) A2 X EzCiclo X2-N 30%。 85% " " " " 。
Ultra(55kg / 42 DoF)—— 。 + 。55kg 。
Ultra 2025 4 19 2 40 42 (21.1 ) 。2026 4 " Ultra" 。 3.0 2026 400 N m 50%。 。 。
G1(92.5kg / 42 DoF)—— 1.9 。 "IP54 + 80%" (AZ91D )。92.5kg ( 5kg)。 。
SE01(55kg / 32 DoF)—— " " 。SE01 + 186-330 N m 5-10 。 PM01(1.38m, 40kg, ) T800(1.85m, 85kg, + ) SA01 。 " + " 。
。 " " Boston Dynamics SLM 。 。
" + + / + " 。Tesla 。 。 。
PEEK " " " "。Tesla PEEK 6.6-8 PEEK —— 。 PEEK 400-500 /kg( 40%) 。 PEEK 2 70% 。
CNC 。Figure 03 CNC >1 <20 90%。Boston Dynamics ——SLM + + 。 " " " " 。
。 Boston Dynamics " " (90kg 50kg ) Figure " " ( + 20kg 5 )。 + 。
+ 。 (Atlas ) (Figure ) 。 PEEK 600 /kg 300 /kg(2024-2025 50%) —— 2-3 。
~ 。
| (6061=1.0) | ||||
|---|---|---|---|---|
| CNC | 7075/6061 | 1-5000 | 1.0-1.5x | 72h |
| CF / | T800H/ | 10-2000 | 5.0x | 5-7 |
| 3D SLM | / | 1-100 | 10-20x | 3-10 |
| 3D | PA-CF/PEEK | 1-500 | 2-15x | 1-5 |
| / | 5000+ | / | 4-8 |
1. / /
7075-T651 CNC 。 503 MPa + 26 MPa √m + + H7 + Type III + 1.5x。6061 CF 8x 。
2. ( / / / )
CF + 7075/ 。 6 43% + 310% 60-70% UTS。 CF 。 7075 I-beam 30-40% 3 。
3. / ( / )
7075 Ti-6Al-4V( CF)。 。 。 (K_IC 55-60) 。
4. / /
6061-T6 。6061 (276 MPa ) (1.0x) 。 PA-CF 3D 。
5. ( / / )
PEEK。 1.30 。 / —— 。
flowchart LR subgraph J[" "] A1["7075-T651
σ 503 MPa
H7
"] end subgraph L[" "] B1["CF T800H
43%
310%
60-70% UTS"] B2["
7075/
+ "] end subgraph P[" "] C1["Ti-6Al-4V
/
K_IC 55-60
σ 880 MPa"] end subgraph F[" "] D1["PEEK
/
ρ 1.30"] end A1 --- B1 B1 --- B2 A1 --- C1 A1 --- D1
"7075-T651 + CF + + PEEK " 。 7075 CNC CF + ( 43%+ 310%) PEEK( / ) CF( > )。
timeline title : 1-10 : 3D PA-CF/Onyx : : 10-50 : CNC 7075 + CF + + PEEK : : 50-500 : CNC + CF + : : 500+ : + / :
。 3D CNC 。
- Unitree G1 Tesla Optimus Fourier GR-1 。 。
- CF CF FEA + 。
- 。 CAD 。
- PEEK / datasheet 。
RobotWorld Deep Research (Alloyer CNC 2026-05 Flex Precision Composites 2026-03 2026-07) MIL-HDBK-17 ASTM D3039 ISO 13003 。 2026-08-26。
Source:RobotWorld Deep Research