HOGI Longitudinal seam welding machine
HOGI Straight Longitudinal seam welding machine
HOGI Longitudinal Seam Welding Machine is a universal, auto lifting straight‑seam welder for high‑quality, no‑deformation butt welding of cylinders, flat plates and one‑end‑open square boxes from 0.6 mm to 4 mm wall thickness.
- Multi‑source flexibility: Optional TIG / MAG / LASER welding heads; standard Panasonic YC‑400TX IGBT DC TIG power supply.
- Pneumatic assist & fine tuning: Pneumatic welding‑gun lift, pneumatic inverted head, truss electric lift, and left/right fine adjustment for quick setup.
- Stable, precise travel: TBI linear guides and ball screws for smooth torch movement; single‑axis PLC control with up to 999 programs per file.
- Adaptable to many industries: Ideal for air/gas tanks, stainless steel chimneys, HVAC ducts, ventilation fans, and general cylindrical fabrication.
HOGI Automatic Longitudinal Seam Welding Machine
HOGI Manufacturer presents the horizontal lifting longitudinal seam automatic welding machine, a general-purpose solution built for high-quality, deformation-free butt-joint welding of cylindrical bodies, flat plates, and open-ended square boxes from 0.6mm to 4mm wall thickness. Compatible with argon arc (TIG), MAG, or laser welding sources, this system covers carbon steel, cold galvanized sheet, and stainless steel fabrication.
- Multi-process flexibility: Configure the system with TIG (filler or non-filler wire), MAG, or laser welding sources to match your material and throughput needs — one platform, multiple welding processes.
- Motorized height adjustment: The main beam raises and lowers electrically to accommodate different pipe fitting sizes, reducing manual handling and speeding up loading with dual linear guide sliders for stronger load-bearing capacity.
- Stable, repeatable welds: One-piece spindle with built-in copper bar and split full-copper platen, driven by PLC control, TBI linear guide and ball screw for smooth, consistent welding motion.
- Flexible torch control: Pneumatic torch lifting with fine up/down and left/right adjustment, plus pneumatic clutch travel mechanism for quick torch positioning without touch-screen programming.
Main Machine Gallery
Details Gallery
HOGI Longitudinal Seam Welder — Technical Advantages
PLC-Controlled Motion System: The host control system runs on PLC for stable, highly reliable operation. The welding torch travels on TBI linear guide and TBI ball screw, ensuring smooth motion throughout each weld pass.
Adjustable Positioning Column: The main beam’s electric ascending/descending mechanism adapts to different pipe fitting sizes, cutting manual handling time and speeding up loading with dual linear guide sliders for stronger load capacity.
Copper Backing for Weld Quality: The bottom spindle sets into a copper groove with a backside guarantee device to control weld melting depth. The airbag compression device uses flexible copper plate pressure to maintain thermal conductivity across the weld surface.
Multi-Process Welding Source: Standard configuration includes a Panasonic YC-400TX IGBT-controlled DC TIG arc welding power source. TIG (with or without filler wire), MAG, or laser welding sources can be selected based on your material and application.
Segmented or Continuous Welding: The system supports both continuous and segmented welding passes with high control precision, giving operators flexibility for different seam lengths and joint types.
Case Studies
Customer Testimonials
“Switching to HOGI’s longitudinal seam welder cut our cylinder rework almost to zero. The copper platen keeps the weld pool controlled, and the finish is consistent from the first piece to the last.” — Production Supervisor, Pressure Vessel Manufacturer
“We weld everything from thin galvanized duct to thicker carbon steel tanks on the same machine. The pneumatic torch adjustment makes changeover between jobs fast.” — Workshop Owner, Duct Fabrication
“Being able to store hundreds of welding programs means our operators don’t have to reprogram the machine every time we change tank diameter. It’s saved us real setup time.” — Plant Manager, Gas Tank Production
Frequently Asked Questions
›What material thickness range can this machine weld?
›Which welding sources are compatible?
›How is welding position and torch travel controlled?
›Can the machine run continuous or segmented welds?
›How many welding programs can be stored?
›What is the repeat positioning accuracy?
Why Choose HOGI for Longitudinal Seam Welding
HOGI Manufacturer specializes in customized automatic rolling equipment, intelligent welding equipment, and tailored processing production lines for the industrial fan, HVAC, and pipeline industries. Our product range spans angle steel flange automatic welders, CNC 4-roll rounding machines, longitudinal seam welders, automatic flanging machines, and complete rolling-to-welding production lines.
Every longitudinal seam welding machine is built around a rigid one-piece spindle assembly and PLC-controlled motion system, with Schneider relays and contactors for reliable low-voltage components. Our engineering team configures each machine’s welding source — TIG, MAG, or laser — to match the customer’s material and production requirements before shipment.
From stainless steel chimneys to galvanized ductwork and carbon steel gas tanks, HOGI’s longitudinal seam welding platform is built to deliver deformation-free, repeatable welds across a wide range of cylindrical and flat-panel fabrication needs.
Technical Support & Services
Professional installation and commissioning of your longitudinal seam welding machine, including welding source setup and torch calibration.
Training on torch positioning, program storage, and pneumatic control systems to get your team running production quickly.
Remote technical assistance for troubleshooting, program setup, and welding parameter optimization.
Genuine HOGI spare parts including torch components, copper platens, linear guides, and control modules.
Standard warranty covering mechanical and electrical components, with specific support for TIG / MAG / laser source service needs.
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HOGI Longitudinal Seam Welding Machine Manufacturer—This specification page covers the horizontal lifting straight‑seam automatic welding system for cylindrical bodies, flat plates and one‑end‑open square boxes, with optional TIG / MAG / laser welding sources.
Technical Specifications
| Product processing range (argon arc welding): | φ110–φ1,500 mm (customizable); 0.6–3.0 mm standard, L≤1,500 mm |
| Effective welding stroke: | 1,500 mm |
| Maximum total power: | 15 kW |
| Power supply: | 380 V / 50 Hz (customizable) |
| Welding running speed: | 3–5 mm/s |
| Control system: | Single axis |
| Program storage: | Up to 999 programmable programs per file |
| Repeat positioning accuracy: | ±0.2 mm |
| Positioning column lifting speed: | 30 mm/s |
| Transmission method: | Screws, guideways, rack and pinion, worm gears |
| Motor type/brand: | CME57 |
| Low voltage appliances: | Relays / Contactor – Schneider |
| Argon arc welding machine: | Panasonic YC‑400TX |
| Weight of the whole machine: | 1,200 kg |
| Protective gas: Ar (99.99%); Back protective gas: pure Ar (99.99%) | |
Technical Principles: The HOGI longitudinal seam welding machine uses a single‑axis PLC control system to drive the welding torch along the seam via TBI linear guides and ball screws. The welding table and truss can be adjusted motorized for different part heights, while pneumatic systems lift the welding gun and inverted head to reduce manual handling. With optional TIG, MAG or laser sources, the system provides stable arc or laser heat input for butt welding of cylinders, flat plates and square boxes, ensuring uniform seams with minimal deformation.

Technical Highlights
1. Precision and Consistency: Single‑axis PLC control combined with TBI linear guides and ball screws ensures stable torch travel and repeatable positioning accuracy of ±0.2 mm, delivering consistent longitudinal seams on cylindrical and box‑shaped parts.
2. Fast Pneumatic Response: Pneumatic lifting of the welding gun and inverted head provides quick, reliable actuation with minimal mechanical wear. The pneumatic clutch travel mechanism allows rapid torch positioning along the seam without complex programming.
3. High Efficiency for Batch Production: Welding speed of 3–5 mm/s, combined with program storage for up to 999 sets, enables fast changeover between different diameters and lengths, improving overall production efficiency for multi‑size orders.
4. Simple Structure, Low Maintenance: The mechanical structure relies on linear guides, ball screws and pneumatic components, without complex hydraulic systems. Routine maintenance mainly involves lubrication of guide rails and periodic inspection of pneumatic and electrical connections.
HOGI Longitudinal Seam Welding Machine in Action
Live Demonstration Highlights
Watch the HOGI horizontal lifting straight‑seam longitudinal welding machine in operation. This video demonstrates automatic butt welding of cylinders, flat plates and one‑end‑open square boxes with wall thickness from 0.6 mm to 4 mm, using TIG/optional MAG or laser sources and pneumatic assist for fast, repeatable seams.
- Multi‑Source Welding: See the system working with TIG welding (standard Panasonic YC‑400TX) and options for MAG or laser heads, suitable for carbon steel, galvanized sheet and stainless steel.
- Pneumatic Assist & Fast Setup: The video shows pneumatic lifting of the welding gun and inverted head, combined with electric truss lift and fine adjustment, reducing manual handling and setup time for different diameters.
- Stable Torch Travel: Watch the torch moving along the longitudinal seam guided by TBI linear guides and ball screws, with single‑axis PLC control storing multiple programs for repeatable weld parameters.
- Versatile Applications: The demonstration includes air/gas tanks, stainless chimneys, HVAC ducts and fan components, highlighting clean seams, minimal deformation and consistent weld appearance.
Optimized for Cylindrical and Box‑Shaped Fabrication
As shown in the video, this longitudinal seam welding machine is designed for cylindrical and box‑shaped parts in HVAC, industrial fan, environmental protection and pipeline industries. The electric height adjustment and pneumatic torch control reduce operator effort and setup time, while programmable storage enables quick switching between different diameters and lengths. This makes the system especially suitable for manufacturers handling a wide mix of part sizes and order volumes, helping you achieve stable seam quality and shorter delivery cycles without complex programming.

