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Automatic 800mm Longitudinal Seam Welding Machine Straight Seam Welder for Metal Tube Shell
| MOQ: | 1 |
| Price: | 500-1000USD |
| Standard Packaging: | 120.00cm * 74.00cm * 100.00cm |
| Delivery Period: | 10-20 work days |
| Payment Method: | T/T,D/P,D/A,L/C |
| Supply Capacity: | 500 units/month |
Automatic longitudinal seam welding machine
,800mm straight seam welder
,Metal tube shell welding machine
The 800mm longitudinal straight seam welding machine adopts servo drive and keyboard-type clamping structure. It supports TIG/MIG/PAW welding processes and achieves single-side welding with double-side forming for cylinders, barrels, and sheet metal parts. This machine offers stable operation, low deformation, and is ideal for mass metal container production.
- Max effective welding length: 800mm
- Servo-driven torch travelling system with stepless adjustable welding speed for smooth movement
- Keyboard-type copper clamping mechanism for uniform pressing and reduced welding thermal deformation
- Back-side gas protection copper backing for single-side welding double-side forming
- PLC + touch screen control for easy parameter setting and multiple welding recipe storage
- Compatible with TIG, MIG, and Plasma welding sources
- Water-cooled clamping module for long-time continuous production
- Adjustable torch lifting & fine-tuning structure for precise seam alignment
- Pneumatic positioning and clamping for fast workpiece loading and unloading
| Model | LSW-800 |
| Max Welding Length | 800 mm |
| Applicable Workpiece Diameter | 75-1100 mm |
| Applicable Material Thickness | 0.5-3.0 mm |
| Applicable Material | Stainless steel, carbon steel, aluminum alloy |
| Welding Speed | 100-1200 mm/min stepless adjustment |
| Control System | PLC + Touch Screen |
| Drive Mode | Servo motor drive |
| Welding Process | TIG / MIG / PAW optional |
| Cooling System | Water cooling for pressure copper module |
| Input Power Voltage | 3-phase 380V / 415V customizable, 50/60Hz |
| Clamping Mode | Pneumatic keyboard-type pressing |
Suitable for longitudinal butt welding of cylindrical shells, open boxes, and sheet splicing. Widely used for stainless steel water tanks, solar heater inner tanks, filter barrels, metal pipes, pressure vessel accessories, kitchen metal parts, and other thin-wall metal products.
- Stainless steel cylindrical shell longitudinal seam - smooth and free from penetration defects
- Thin-wall carbon steel barrel butt joint - low welding deformation
- Aluminum alloy sheet splicing - uniform weld bead with back gas protection
- Solar tank inner container continuous production welding sample
We can provide real-site welding test video according to customers' workpiece samples.
- Complete machine assembling and testing workshop - every unit undergoes full-load aging test before delivery
- Independent mechanical and electrical engineering team supporting non-standard customized modifications
- Strict raw material incoming inspection for key spare parts
- Provision of operation manual, wiring diagram, and remote technical guidance
- Rich experience serving overseas metal container manufacturers with familiarity in CE compliance requirements
A: It can work with our in-house TIG/MIG power source and is also compatible with most mainstream brand welding power supplies in the market.
A: Yes. Custom modifications on clamping stroke, supporting fixture, and copper backing are acceptable. Please provide workpiece drawing or size range.
A: Each pressing finger applies even pressure along the full welding length, effectively eliminating workpiece gap and reducing welding distortion to guarantee consistent seam quality.
A: Standard configuration includes back-gas channel to achieve optimal reverse weld forming for stainless steel welding.
