Comprehensive Fused Quartz Processing Capabilities
Lianyungang Zelvo Quartz Products Co., Ltd. specializes in turning high-spec blueprints into operational quartz glass components for research laboratories, semiconductor cleanrooms, and thermal processing facilities worldwide.
Utilizing both cold precision machining (laser drilling, ultrasonic milling, abrasive disc cutting) and high-temperature thermal glass-blowing (welding, flange forming, multi-axis bending), we ensure your design requirements are met with minimal thermal stress and exact tolerances.
Laser Micro-Drilling & Grooving
Precision micro-hole perforation and groove cutting for XRD slide holders, fluidic sensors, and thermocouple wells without micro-cracking or edge chipping.
Flame Welding & Flange Assembly
Oxygen-hydrogen flame jointing of quartz vacuum flanges, ball-and-socket joints, ground stopcocks, and inlet tubes tested for high-vacuum integrity.
Optical Lapping & Polishing
Surface grinding and commercial or optical polishing for fused silica wafers, viewing ports, and UV windows with high surface parallelism.
Material Specification & Processing Bounds
Standard fabrication guidelines for engineering drawings and prototyping requests.
| Machining / Material Property | Standard Capability | High-Precision Tolerance |
|---|---|---|
| Material Purity (SiO₂) | ≥ 99.99% | Optical / Synthetic grade available |
| Max Operating Temperature | 1100 °C (Continuous) | 1300 °C (Short-term peak) |
| CNC Milling & Laser Tolerances | ±0.1 mm | ±0.05 mm (On selected dimensions) |
| Hole Drilling Diameter | Φ 0.5 mm to Φ 150 mm | Clean bore edge, crack-free inspection |
| Surface Finish Quality | Fine Ground (Ra 0.8–1.6 µm) | Flame Polished / Optical 60/40, 40/20 |
| Tube Diameter Range | OD 2 mm to OD 450 mm | Wall thickness 1.0 mm to 12 mm |
OEM Custom Fabrication Workflow
From CAD drawing submission to secure wooden crating, every order follows transparent verification.
Drawing Evaluation
Engineering review of 2D/3D CAD models (STEP, DWG, PDF) to confirm feasibility, thermal stress limits, and tolerances within 2 hours.
Billet & Tube Sourcing
Selection of certified high-purity natural fused quartz or synthetic fused silica based on working wavelength and thermal profile.
Precision Machining
CNC ultrasonic milling, laser cutting, glass lathe turning, and hydrogen flame welding performed by experienced technicians.
Thermal Annealing & QC
Post-fabrication thermal annealing to relieve internal stress, followed by dimensional inspection and scratch-dig verification.