1、Process Introduction | What problems can argon arc welding solve?
Ultra high weld quality: Inert argon gas full protection, no splashing, no porosity, first pass rate ≥ 99%, radiographic inspection grade I film rate ≥ 98%
Extremely thin plate weldable: current lower limit of 5 A, wall thickness of 0.3 mm, stainless steel pipe butt joint without burning through, deformation ≤ 0.1 mm
High aesthetic appeal: The fish scale pattern on the weld seam is uniform, with Ra ≤ 1.6 µ m, and can be directly brushed or electropolished without the need for polishing
All position welding: Six axis robot+swinging mechanism, realizing circumferential seam, vertical welding, upward welding, and narrow gap internal welding
Full material coverage: carbon steel, stainless steel, titanium, aluminum, copper, nickel based alloys, dissimilar metals (steel aluminum, copper stainless steel)
2、Capabilities
| Item | Parameter |
|---|---|
| Maximum Workpiece Size | 3500×1500×800 mm (Robot Arm Reach) |
| Plate Thickness Range | 0.3 mm – 12 mm (Single Pass) |
| Weld Type | Butt, Fillet, Circumferential, Vertical, Overhead, Narrow Gap |
| Welding Position | All Position (Flat, Horizontal, Vertical, Overhead, 360° Circumferential) |
| Surface Quality | Undercut-free, Porosity-free, Ra ≤ 1.6 µm |
| Mechanical Properties | Tensile Strength ≥ 95% Base Metal, -40℃ Impact ≥ 47 J (Carbon Steel) |
3、Our Equipment
Fronius MagicWave 5000 ACDC + FANUC M-20iA
500 A square wave AC/DC, aluminum magnesium alloy without splashing; Robot repetition ± 0.02 mm
Lincoln INVERTEC V350-PRO + KUKA KR30 HA
350 A DC pulse, specifically designed for titanium alloy/stainless steel ultra-thin plates
Miller Dynasty 350 AC/DC Handheld Set x 6 sets
Manual welding repair, first piece sampling, real-time current/voltage monitoring
Automatic ring seam TIG special machine with a diameter of 600 mm
0-90 ° tilt, 0.1-10 rpm stepless speed regulation, suitable for pressure vessel head ring seam
4、TIG Welding Case Studies | Typical Application Cases
Material: 6063-T5 extruded profile, wall thickness 2 mm
Weld seam: corner joints on all sides, with a total length of 1.4 meters, requiring IP66 sealing
Process: AC 220 A square wave, pulse frequency 2 Hz, interlayer temperature ≤ 80 ℃
Result: Silver white weld seam, helium leak detection ≤ 1 × 10 ⁻⁶ Pa · m ³/s, monthly production of 100000 pieces with no leakage
Material: Ti-6Al-4V Φ 4 mm thin-walled tube
Weld seam: circumferential seam docking, protective gas Ar+He mixture
Process: DC pulse 40 A, back argon tray protection, oxygen content<50 ppm
Result: Tensile strength ≥ 950 MPa, fatigue passed 10 times, no oxidation discoloration
Material: SUS304 δ=0.6 mm corrugated plate
Weld seam: 360 ° circumferential seam, appearance mirror requirement
Process: Low frequency pulse 80A, swing amplitude 2mm, pure argon protection
Result: Ra ≤ 0.4 µ m, can be directly electrolytic polished, batch of 1.2 million pieces without rework
5、 Quality and traceability
ISO 15614-1 TIG Welding Process Certification
Online argon arc welding tracking: real-time recording of current, voltage, and speed, QR code engraving traceability
Each batch: First piece X-ray+stretching+bending, 10% appearance inspection for mass production
Helium mass spectrometer leak detector: leakage rate ≤ 1 × 10 ⁻⁶ Pa · m ³/s (aluminum box case)
AddressNo. 66 Xingpu Road, Lujia Town,Kunshan City, Factory Buildings 3 and 4 
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