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Hermetic Sealed Titanium Alloy Laser Welding Machine
Equipment Technical Features
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- The machine integrates a sealed glove box with Raycus QCW pulsed fiber laser, targeting oxidation and cold cracking defects during titanium alloy welding. The 304 stainless steel chamber has a leakage rate ≤0.001vol%/h. A circulating purification system maintains water and oxygen content below 1ppm. Filled with nitrogen, argon or helium to isolate air, it delivers pore-free, oxidation-free welds complying with GJB548B-2005 leak detection standards.
- Equipped with a 5-axis 4-linkage CNC platform featuring X/Y/Z gantry axes and a 0~90° swing A-axis for flat and curved welding. Pulse waveform and start/end energy are programmable. Dual vacuum heating transfer chambers dry workpieces up to 200℃ to eliminate humidity-induced welding defects.
- Full safety interlock protection with double-layer laser-proof viewing window. Laser output locks automatically if chambers or glove ports are unclosed. A 20× coaxial CCD vision system with red light positioning supports computer teaching and automatic welding path generation.
- Custom process management software records full welding and atmosphere data for traceability. A built-in fume purification unit with 0.3μm HEPA filters removes metal dust, featuring easy disassembly and maintenance.
Main Equipment Configuration
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- Laser Generator Unit: Raycus QCW pulsed fiber laser, air-cooled integrated design. Average power 150W, peak power 1500W, electro-optic efficiency over 30%. Matched customized pulse waveform control system.
- Optical Welding Unit: F=210mm focusing welding head, integrated medical-grade coaxial CCD and red light alignment, standard QBH fiber interface. Replaceable lenses for adjustable spot size.
- 5-axis CNC Motion System: Syntec 6-axis bus controller. X/Y travel 200×200mm, Z travel 150mm, electrically adjustable A-axis swing. Quick-change fixtures with mechanical error-proof function.
- Sealed Glove Box Body: Inner cavity dimension 1800×750×900mm, 3mm thick 304 stainless steel. Equipped with 4 imported butyl rubber gloves, plus large and small vacuum heating transfer chambers.
- Atmosphere Purification & Vacuum System: Imported BASF deoxidizer and UOP water absorbent with fully automatic regeneration. Edwards RV12 vacuum pump, multi-component online analyzers, Siemens bilingual PLC touch screen for centralized control.
- Auxiliary Components: S&A CWUL-05 chiller, fume extraction system, full anti-static module, sound-light fault alarm device.
Key Technical Parameters
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| Category | Parameter Item | Specification |
|---|---|---|
| Laser Parameters | Laser Model | Raycus QCW Pulsed Fiber Laser |
| Laser Wavelength | 1070nm | |
| Average Output Power | 150W | |
| Peak Pulse Power | 1500W | |
| Max Single Pulse Energy | 15J | |
| Adjustable Pulse Width | 0.2~50ms | |
| Adjustable Pulse Frequency | 0~300Hz | |
| Cooling Mode | Forced Air Cooling | |
| Continuous Working Time | 24h | |
| Glove Box Chamber Parameters | Inner Cavity Size | 1800mm(L)×750mm(W)×900mm(H) |
| Chamber Plate | 3mm 304 Stainless Steel, Mirror Polished Inner Wall | |
| Chamber Leakage Rate | ≤0.001vol%/h | |
| Operating Pressure | -10~+10mbar, Automatic Pressure Relief above 12mbar | |
| Internal H₂O & O₂ Content | ＜1ppm | |
| Large Transfer Chamber | Φ360×600mm, Heating from Ambient to 200℃ | |
| Small Transfer Chamber | Φ150×300mm, Manual Valve for Evacuation & Gas Filling | |
| Vacuum Pump | Edwards RV12, Ultimate Vacuum 2×10⁻³mbar | |
| Operation Gloves | 8-inch Butyl Rubber Gloves ×4, Thickness 0.4mm | |
| Motion Platform Parameters | X/Y Travel | 200mm×200mm |
| Z Travel | 150mm | |
| A-axis Swing Range | 0~90° Electrically Adjustable | |
| Single-axis Repeat Positioning Accuracy | ±0.01mm | |
| Servo Positioning Accuracy | ±10μm | |
| CCD Magnification | 20× | |
| Welding Path Compatibility | 3D Dot Welding & Continuous Seam Welding | |
| Machine Operating Conditions | Input Power Supply | 3-phase 380V, Rated Power ≥5kW |
| Floor Space | 2000mm×1200mm | |
| Ambient Humidity | ＜75%, No Condensation | |
| Workshop Environment | Dust-free, Free of Corrosive & Flammable/Explosive Gases | |
| Grounding Standard | Independent Ground Wire, Ground Resistance ＜3Ω |
Application Scope
This machine is mainly designed for oxygen-free hermetic welding of titanium and titanium alloys, and also compatible with nickel-based alloys, Kovar alloy, series 1–6 aluminum alloys, stainless steel and other easily oxidized metals, catering to high-cleanliness and high-airtight precision manufacturing scenarios.
- Medical Device Industry: Hermetic packaging of titanium alloy pacemaker shells, implantable sensors and precision minimally invasive metal components;
- Aerospace Microelectronics: Airtight titanium alloy T/R modules, microwave RF components, miniature aerospace vacuum pipelines, satellite electronic sealing housings;
- New Energy Lithium Battery Industry: Precision sealing of titanium alloy current collectors, vacuum battery shells and dissimilar metal pole terminals;
- Laboratory Precision Instruments: Titanium alloy vacuum chambers, high-precision pressure sensors, special airtight testing components;
- Military Precision Components: Titanium alloy sealing housings and miniature pressure-bearing weldments meeting military GJB leak detection standards.
It supports four mainstream welding processes: single-point pulse welding, circumferential continuous sealing welding, lap full penetration welding and special-shaped curve welding. It delivers minimal heat-affected zones. Welded workpieces require no secondary polishing with high flaw detection pass rate, suitable for laboratory trial production and mass automated factory manufacturing.
