AT80

Product Introduction

The AT80 automated welding head is designed primarily for the machine-assisted welding of tube-to-plate assemblies ranging from 19 mm to 60 mm in diameter. It supports both fillet and flat welding configurations and is widely utilized in the boiler, pressure vessel, and liquid-cooling industries. The unit features an integrated wire feeder capable of accommodating a 1 kg wire spool, utilizing feed rollers compatible with both 0.8 mm and 1.0 mm wire diameters; this design ensures a sufficient supply of welding wire while maintaining a lightweight profile. Furthermore, an internal circulating water-cooling system regulates the operating temperature of both the welding head and the positioning mechanism, thereby enabling prolonged, continuous welding operations.

Product Advantage

1. Specialized welding head designed for the boiler and heat exchanger industries; features tube-clamping positioning, tangle-free cable management, and a lightweight, compact torch design capable of performing three distinct welding configurations: flush, protruding, and recessed tube joints.

2. Primarily utilizes TIG (GTAW) welding, offering dual-mode functionality for both autogenous (fusion) welding and welding with filler wire, achieving single-sided welding with double-sided weld bead formation.

3. Delivers high-quality welds free from porosity or undercut defects, capable of passing rigorous non-destructive testing (NDT) inspections.

4. High efficiency: Completes a single joint in 1 to 2 minutes—3 to 5 times faster than manual welding—and supports continuous 24-hour operation.

5. Automated programming: Generates welding parameters with a single-button command based on tube diameter, wall thickness, and material type; capable of storing over 70 distinct parameter sets, ensuring simple operation and rapid proficiency for new users.

6. Total cable length of 5 meters (customization available), making it ideal for factory environments or fixed-location construction projects.

Technical Parameters

Product Uses

1. Boiler Industry: Automated tube-to-tubesheet welding machines are ideal for high-volume tube-to-tubesheet welding applications. The primary materials welded include stainless steel, carbon steel, and titanium alloys. The welding process is free of contaminants, and the resulting weld seams are smooth and easy to clean.

2. Heat Exchanger Industry: The AT80 welding head enables all-position welding, making it particularly suitable for use in confined spaces and for welding thin-walled tubes while minimizing deformation. It ensures consistent weld quality and yields a high pass rate.

3. Data Center / AI Computing Liquid Cooling Industry: Given the stringent welding requirements in this sector, automated tube-to-tubesheet welding machines represent the optimal solution. They facilitate high-precision welding of thin-walled components, achieving single-sided welding with double-sided formation. This process prevents oxidation and blackening of the inner tube wall, ensures excellent internal weld bead formation, leaves no slag residue, and allows for the storage of welding parameters.

Product Operate Guide

1. Startup Inspection: Connect water, electricity, and argon; clean the pipe ends; assemble the pipes and tube sheet in place and fix the tooling.

2. Head Clamping: Align the AT80 chuck with the pipe end and tighten it; adjust the welding torch angle (0–30°); set the tungsten electrode 0.7–1.0 mm from the weld seam.

3. Gas Purging: Spray argon externally for protection; pre-fill gas for 30–50 seconds to expel air.

4. Parameter Setting: Select AT80 model on the power supply; set current and rotation speed according to tube diameter and wall thickness; enable wire feeding if required, and run a test rotation without welding.

5. Automatic Welding: Start with one key; the head rotates 360° around the pipe to weld the tube-to-tube sheet corner or flush seam.

6. Completion and Cleanup: Cool under protective gas, turn off gas, water, and electricity; release the chuck and remove the head; clean the equipment.

Product Video