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Jun. 30, 2025
For the Taycan Cross Turismo's adaptive matrix headlights, Porsche designers needed 300 prototypes with micron-precise light tunnels. CNC machining couldn't achieve smooth Fresnel lenses, while standard vacuum casting services produced parts with internal bubbles scattering light like fog.
Using SLA-printed masters polished to optical clarity, we crafted platinum-cure silicone vacuum casting molds with 0.01mm surface replication fidelity. Multi-stage vacuum chambers pulled dissolved gases from crystal-clear polyurethane resin – achieving vacuums deeper than interstellar space.
Casting-grade PU 880 mimicked PMMA's refractive index (1.49) while resisting yellowing. Post-curing at 65°C for 10 hours under nitrogen atmosphere eliminated residual monomers – yielding 92% light transmission that fooled Porsche's spectrometers.
Delivering 300 vacuum cast parts in 12 days – including optical coating and IP68 sealing tests – shattered industry norms. Our vacuum casting china workflow outpaced German competitors by 3x.
These vacuum casting products endured 200-hour UV aging tests and -40°C thermal shocks, proving functional prototypes can endure like production parts. The light patterns they cast now illuminate Alpine passes at 160mph.
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CNC milling tolerance: ±0.02mm-±0.005mm
CNC turning tolerance as low as ±0.0003 inches (±0.010 mm)
CNC machines: 15cnc lathes + 35 (3&4&5) milling machines
Maximum part processing size:
3200mm*2300mm*1000mm
Processable materials: common metals & plastics other than metal tungsten alloys
Large-scale machining of parts in just a few days
Tolerances as low as ±0.0003 inches (±0.010 mm)
CNC (engraving and milling machine) working stroke:
500*600*210MM - 1500*2200*500MM
Accuracy: ±0.02 - ±0.05mm
Air compressor working stroke:
maximum 22KW
Maximum processing aperture 32mm
Cutting stroke: 1.5KW - 6KW
Processing materials: steel plate
materials below 6MM
Provide free assembly service
Discover and help you solve problems such as parts and accessories conflicts at the source of production.
Manufacturing tolerance: ±0.004 to 0.012 Inch (±0.10 -±0.30mm)
Processing materials: more than 100 kinds,
General plastics (such as PE)
Engineering plastics (such as PA)
Special plastics (such as PTFE)
Injection molding machines: 14 units
Provide general plastics (such as PE), engineering plastics (such as PA), special plastics (PTFE)
Tolerances as low as ±0.004 to 0.012 inches (±0.10-±0.30mm)
Simply upload your design files to get a detailed quote!
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