XR Devices (AR/VR/MR)
Tolerance Typically ISO 2768-m. Tighter tolerances of +/- 0.05 mm are achievable on specific features but will increase machining time and cost. · min feature Min Wall Thickness: ~1.0 mm; Min Hole Diameter: ~1.0 mm (highly dependent on material and depth-to-diameter ratio).
| Physical Properties | |
| Density | 1.21 |
|---|---|
| Tensile Strength | 45.0 |
| Max Service Temp | 85.0 |
| Hardness | 95A |
| Standard Tolerance | Typically ISO 2768-m. Tighter tolerances of +/- 0.05 mm are achievable on specific features but will increase machining time and cost. |
| Manufacturing Limits | |
| Equipment Specs | Clamping Force: 600 kN; Tie Bar Distance (H x V): 320 x 320 mm; Screw Diameters: 22 / 25 / 30 mm; Max Shot Weight (PS): 46 / 58 / 84 g; Max Injection Speed: 160 mm/s; Platen Size: 480 x 480 mm; Min/Max Mold Height: 150 / 350 mm. |
| Min Feature Size | Min Wall Thickness: ~1.0 mm; Min Hole Diameter: ~1.0 mm (highly dependent on material and depth-to-diameter ratio). |
| Precision Grade | Capable of achieving dimensional tolerances of ±0.05mm on small features. Can consistently hold general part tolerances within ISO 286 Grade IT9-IT10, with higher precision possible on critical-to-function dimensions depending on material and part geometry. |
| Commercial | |
| Factory Advantage | Processing highly hygroscopic thermoplastic polyurethanes for critical XR device components presents a significant challenge in controlling melt viscosity and subsequent warpage. Our approach leverages the Zhafir Zeres III 60T's all-electric platform. After implementing a rigorous 80-100°C pre-drying stage, the machine's exceptional shot-to-shot repeatability (<0.1% variation) and thermal stability give us precise command over the sensitive material. Unlike hydraulic systems that can introduce variability, the Zeres III’s servo drives ensure consistent packing pressure and cooling rates. This allows MechanoFab to produce complex, net-shape lens mounts and housings that meet tight tolerances directly from the tool, completely bypassing the need for secondary fixtures or corrective processes and their associated tolerance stack-up errors, directly addressing a core industry pain point. |
| Target Volume | Optimized for 1,000-100,000 units |