Boost Your Tank Project ROI with WINCOO‘s Automated Butt & Corner Welders

Product Introduction

In the competitive world of large-scale tank construction and steel fabrication, time is money, and quality is reputation. WINCOO ENGINEERING CO., LTD. introduces our next-generation Large Tank Butt and Corner Welding Machines—the ultimate tools to accelerate your project timelines while exceeding quality inspection standards. Designed for EPC contractors and fabricators, our automated solutions replace slow, inconsistent manual welding with high-speed precision.

Our lineup includes the heavy-duty MLTW-P/J SAW Tractor, a workhorse for flat butt welding and fillet applications on plates from 6mm thickness, capable of handling both carbon and stainless steel . For the intricate work of corner and fillet welding, the WJ-III Swing Welder offers a portable, "set-and-forget" operation that dramatically increases productivity on reinforcement plates and complex joints . By integrating these WINCOO machines into your workflow, you are investing in speed, consistency, and a decisive edge in project bidding and execution .

Welding Process	SAW
Model	MLTW-P/J
Plate Thickness	6mm and above
Plate Material	Carbon steel, Stainless Steel
Groove	Square groove, Single V groove, Double V groove, Lap joint
Dimension(L x W x H)	800mm x 500mm x 700mm
Gross Weight	90kg

Key Advantages

1. 3-5x Faster Than Manual Welding: Automate time-consuming processes. The MLTW-P/J provides continuous, high-deposition welding, while the WJ-III‘s swing function eliminates multiple passes, slashing arc-on time and allowing you to move to the next section faster .

2. Achieve >99% Pass Rate: Reduce costly rework. Stable voltage control and precise tracking ensure uniform fusion and prevent defects. The MLTW-P/J’s SAW process protects the weld pool from contamination, resulting in smooth, X-ray clear seams that meet the most stringent international codes .

3. One Operator, Multiple Machines: Solve labor shortages and reduce payroll. The WJ-III‘s intelligent design, featuring an automatic stop sensor at weld completion, allows a single skilled worker to manage multiple welding units simultaneously, maximizing manpower efficiency .

4. Customized for Your Project Scope: No two tanks are the same. Our modular design allows for graphic customization and parameter adjustments. Whether you need specific current ranges (up to 250A) for varying material thicknesses or specialized tooling for unique groove designs, WINCOO can tailor the solution to fit your exact specifications .

5. Low Maintenance, High Uptime: Built with heavy-duty industrial components and featuring a ventilated, corrosion-resistant metal housing, these machines are designed for continuous 24/7 operation in the field, ensuring your project stays on schedule without unexpected breakdowns .

Applications

a. Petrochemical & Oil Refinery Construction: High-integrity welding of crude oil, LNG, and chemical storage tanks, ensuring leak-proof operation in critical environments .

b. Water Treatment & Infrastructure: Reliable fabrication of large-diameter water reservoirs and clarifiers where weld longevity prevents future maintenance disasters .

c. Modular & Skid Fabrication: Essential for fabricating process skids and modules where precise corner and butt welds are required for structural integrity during transport and installation.

d. On-Site Repair & Maintenance: The portability of the WJ-III makes it the perfect tool for field repairs on existing tanks, bridges, and steel structures, bringing automation directly to the point of need .