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HF1240-RS Expansion Joint Automatic Welding Machine

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Automatic Welding for Expansion Joints

  • ​The workpiece is rotated by a three-jaw self-centering electric chuck, with the welding gun fixed in the welding process.
  • Suitable for welding various materials, including carbon steel, low alloy steel, and stainless steel.
    Equipped with hot-wire TIG welding equipment.

Specification

CategorySpecification Details
Model NumberHF1240-RS
Type of WeldingPipe-Flange internal and external corner welds, and internal circumferential welding
ChuckThree-jaw self-centering electric chuck; supports outer diameter Φ400~Φ1200mm
PositionerElectric positioning; electric movement; suitable for non-standard workpieces
SupportElectric lift, axis adjustable, suitable for direct Φ400~Φ1200mm pipes
Welding Gun OscillatorOscillation width 0~20mm; oscillation speed 0~20mm/s; weld side dwell time 0~5s
Arc Length Tracking SystemTracking range 0~40mm; tracking speed 0~6mm/s; tracking precision 0.2mm
TIG Welding Automatic Wire FeederSuitable for wire diameter 1.0mm
Welding GunLD400 water-cooled welding gun; angle adjustment 0~90°
ControllerColor touchscreen controller
Storage CapacityCan store 30 welding processes
Welding LayersAutomatic layer division
Welding Power SupplyPanasonic YC-400TX4HGS welding power supply, rated current 400A
Hot-wire Power SupplyPanasonic YC-400TX4HGK hot-wire power supply, rated current 400A
Dimensions (mm)According to the diagram
Input PowerWelding power supply 30KW/380V/50Hz; control system 1.0KW/220V/50Hz

 

Functional Features

The HF1240-RS is engineered for the automatic welding of expansion joints, utilizing dual-torch hot wire TIG welding to achieve superior weld quality and efficiency. Its integrated oscillation system ensures uniform heat distribution, resulting in reliable and precise welds.

  • Dual-Torch Hot Wire TIG Welding: Enhances welding speed and quality for expansion joints.​

  • Oscillation System: Provides consistent heat distribution across the weld area, to ensure stable welding and aesthetically pleasing weld formation.​

  • Automated Control Interface: User-friendly interface for easy operation and parameter adjustments.​

  • Robust Construction: Designed for durability and long-term industrial use.

  • Flexible Torch Adjustment
    Includes a welding manipulator, positioner, and a multi-axis adjustment mechanism for torch angle and position—ensuring optimal weld angles for various joint geometries.

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Looking for more automatic welding machine for expansion joint welding?
Check out our other specialized models:

  • [H3660-T] – Compact, efficient circular seam welder for expansion joints

  • [H5082-T] – Larger chuck capacity and dual-torch design for high-volume tasks

See How Our HF1240-RS Welding Works

Get Some Inspiration on Our HF1240-RS Welding Works

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  • Equipped with TIG welder, arc voltage controller (AVC) and oscillator (OSC).
  • The automatic wire feeder is equipped with automatic wire retraction and impulse wire feeding functions, ensuring precise and accurate wire feeding.
  • Integrated design with compact and reliable structure; three-jaw self-centering chuck offers precise rotation and positioning.
  • The machine comprises a comprehensive integration of a three-dimensional welding manipulator arm, a positioner, and a welding torch angle adjustment mechanism.

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