Description
The PLC-Controlled Longitudinal Seam Welding
Machine is a highly automated and precise
welding system, designed for producing metal
bellows and expansion joints with exceptional
consistency and weld quality. This machine is a
critical component in the manufacturing process of
stainless steel bellows, offering advanced control,
ease of operation, and the flexibility to adapt to
various materials and thicknesses.
Controlled via a user-friendly PLC system, this
welder ensures uniform longitudinal seams with
minimal operator intervention, making it ideal for
high-precision, high-reliability applications. The
system supports both argon arc (TIG) welding and
Laser welding.
Key Features
• PLC-based control system for high automation and accuracy
• Supports TIG or MIG/MAG welding methods as per application needs
• Capable of welding thin-walled materials starting from 0.3mm
• Suitable for a minimum tube diameter of 75mm
• Clean, consistent seam welds with minimal distortion
• Adjustable clamping and alignment system for different tube sizes
• Ideal for stainless steel (SS304, SS316, SS321), Inconel, and other alloys
• Ergonomic operator interface and robust construction
• Optional features: automatic wire feeder, digital weld parameter setting
| Parameter |
Specification |
| Welding Method |
TIG (Argon Arc) / MIG-MAG (Gas Shielded) |
| Material Thickness Range |
0.3mm to 1.5mm (customizable) |
| Tube Diameter Range |
Minimum 75mm and above |
| Weld Length Capacity |
Up to 1250mm (customizable) |
| Welding Control |
PLC + HMI Interface |
| Clamping System |
Pneumatic / Manual with Adjustable Fixtures |
| Power Supply |
3-Phase Industrial Supply |
| Applications |
Metal Bellows, Exhaust Connectors, Expansion Joints |
Applications
• Bellows for automotive, HVAC, and industrial expansion joints
• Longitudinal welding of SS pipes and flexible connectors
• Pre-weld process in tube mills and bellow fabrication lines
• Welded cylinders, ducts, and pressure containment assemblies
