
Featured Product
H3660-T Automatic Welding Machine
Engineered for LNG accessory fabrication and short pipe welds, the H3660-T integrates a 360mm spindle bore with a precision 3D manipulator. This automated TIG system excels in circumferential and corner joints on carbon steel, stainless steel, and copper. Featuring integrated AVC and oscillation control, it ensures high-quality results via a user-friendly touchscreen HMI. With a 0–90° tilting positioner and 30-set WPS storage, the H3660-T offers a reliable, one-touch solution for precision industrial welding in demanding production environments.
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Product Details
Wide Application Range
- Butt Welding: Specifically designed for pipe-to-pipe, pipe-to-elbow, pipe-to-tee (3-way), and high-neck flange butt-joints.
- Fillet Welding: Optimized for pipe-to-flange and elbow-to-flange corner joints.
- LNG Industry Specialist: Ideal for welding LNG accessories such as buffer tanks, vaporizers, and related components.
- Broad Material Compatibility: Supports high-standard TIG welding for carbon steel, low-alloy steel, stainless steel, and copper.

Heavy-Duty Mechanical Positioning
- 360mm Spindle Bore: Features a 3-jaw self-centering chuck with a 360 mm central hole, supporting an O.D. clamping range of 50–600 mm.
- Precision 3D Manipulator: Equipped with a three-dimensional welding manipulator arm offering an 800*900*30 mm travel distance.
- Motorized Tilting Positioner: Provides a 0–90° motion range and 500 mm rotation radius for seamless multi-angle positioning.
- Adjustable Torch Orientation: The LD400 water-cooled TIG torch features a 0–90° pivot range for complex joint accessibility.
Intelligent Control & Automation
- Intuitive Touchscreen HMI: Features a large-screen color interface for user-friendly navigation and simplified programming.
- Smart Recipe Management: Internal memory stores up to 30 sets of welding procedures (WPS) for instant job retrieval.
- One-Touch Automated Workflow: Achieves full-cycle automation with a single-button start, while allowing for real-time parameter intervention.
Advanced Process Control
- Standard AVC & OSC Systems: Equipped with Arc Voltage Control (AVC) for consistent arc length and an oscillation system (OSC) for meticulous bead control.
- Precision CNC Wire Feeding: High-accuracy feeder includes automatic back-draw and pulse feeding functions for superior stability.
- Integrated Thermal Management: Built-in forced-circulation water cooling guarantees reliable operation during high-intensity duty cycles.
Technical Specifications
| Model | H3660-T |
| Applicable Joint Types | Pipe-to-pipe, high-neck flange, pipe-to-flange corner joints |
| Clamping System | 3-Jaw Self-centering(Scroll) Chuck Spindle Bore: 360 mm (14.2") Clamping Range (O.D.): 50 ~ 600 mm Chuck Forward Travel: 400 mm |
| Welding Positioner | Motorized Tilt Range: 0–90° Rotation Radius: 500 mm. |
| Welding Oscillator | Width: 0~40 mm Speed: 0~20 mm/s Dwell: 0~5 s |
| Arc Voltage Controller | Tracking Range: 0~40.0 mm Tracking Accuracy: ± 0.2 mm Slide Speed: 0~6 mm/s |
| Auto Wire Feeder | Optimized for 1.0 mm wire diameter |
| TIG Torch | LD400 Water-Cooled TIG Torch Torch Pivot Range: 0–90° |
| Control Terminal | Color Touchscreen HMI (Human Machine Interface) |
| Procedure Memory Capacity | 30 Sets of Welding Procedures |
| Power Supply | Panasonic YC-400TX TIG Power Supply (Optional extension: Panasonic Hot-wire power supply) |
| Dimensions | 1300*1900*2000 mm (Excluding cabinet) |
| Input Power/Voltage/Frequency | Main Source: 30 kW / 380 V / 50 Hz Control Cabinet: 1.0 kW / 220 V / 50 Hz |
| Manipulator Stroke(X*Y*Z) | 800*900*30 mm X-axis Effective Travel Distance: 300 mm |
Model
H3660-T
Applicable Joint Types
Pipe-to-pipe, high-neck flange, pipe-to-flange corner joints
Clamping System
3-Jaw Self-centering(Scroll) Chuck
Spindle Bore: 360 mm (14.2")
Clamping Range (O.D.): 50 ~ 600 mm
Chuck Forward Travel: 400 mm
Welding Positioner
Motorized Tilt Range: 0–90°
Rotation Radius: 500 mm.
Welding Oscillator
Width: 0~40 mm
Speed: 0~20 mm/s
Dwell: 0~5 s
Arc Voltage Controller
Tracking Range: 0~40.0 mm
Tracking Accuracy: ± 0.2 mm
Slide Speed: 0~6 mm/s
Auto Wire Feeder
Optimized for 1.0 mm wire diameter
TIG Torch
LD400 Water-Cooled TIG Torch
Torch Pivot Range: 0–90°
Control Terminal
Color Touchscreen HMI (Human Machine Interface)
Procedure Memory Capacity
30 Sets of Welding Procedures
Power Supply
Panasonic YC-400TX TIG Power Supply
(Optional extension: Panasonic Hot-wire power supply)
Dimensions
1300*1900*2000 mm (Excluding cabinet)
Input Power/Voltage/Frequency
Main Source: 30 kW / 380 V / 50 Hz
Control Cabinet: 1.0 kW / 220 V / 50 Hz
Manipulator Stroke(X*Y*Z)
800*900*30 mm
X-axis Effective Travel Distance: 300 mm
Product Gallery

Working Footage #1

Working Footage #2

Working Footage #3

Elbow to Flange Weldment

Vessle Cap to Rim Weldment

High Neck Flange
Video Demonstration
Video demonstrations show real-world applications of our welding equipment.
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