Automatic Tank Girth Welding Machine for Stainless Steel

The automatic tank girth welding machine is developed for circumferential joints on stainless steel tank bodies and cylindrical shells. It provides an automated solution for rotating the workpiece and completing the girth seam under controlled welding conditions.

This machine is suitable for manufacturers looking to replace repetitive manual girth welding with a more consistent production process. The equipment can be configured according to the tank diameter, length, material thickness, joint design and production requirements.

For non-standard tanks or cylindrical components, the machine configuration can be determined from the customer's workpiece drawing or sample.

Step 1 - Position the Workpiece

The tank body or cylindrical shell is loaded and positioned according to the required girth seam location.

Step 2 - Align the Welding Position

The welding torch is adjusted to the joint before the automatic welding cycle begins.

Step 3 - Set the Welding Conditions

Rotation and welding parameters are set according to the workpiece material, thickness and joint requirements.

Step 4 - Start Automatic Girth Welding

The cylindrical workpiece rotates through the welding position while the welding system completes the circumferential joint.

Step 5 - Complete the Welding Cycle

After the full girth seam has been completed, the welding cycle stops and the workpiece can be removed for inspection or subsequent production.

For a short straight weld, an experienced welder can move the torch directly along the joint. A tank girth seam presents a different production challenge because the welding path continues around the entire circumference.

An automatic girth welding system allows the workpiece rotation and welding operation to work together.

This is especially useful when manufacturers need to:

• Reduce Dependence on Manual Torch Movement

The operator does not need to continuously move around the tank to complete the circumferential joint.

• Maintain a More Repeatable Travel Speed

Controlled workpiece rotation provides a more consistent relative movement between the welding torch and the seam.

• Improve Repeatability Between Workpieces

Once a suitable production setup has been established, the same operating method can be applied to subsequent workpieces of the same specification.

• Simplify Batch Tank Welding

For repeated production, automatic operation reduces the amount of manual intervention required during each girth welding cycle.

Every tank welding application is different. Haoyu therefore determines the machine configuration from the workpiece and weld requirements rather than supplying one fixed configuration for every customer.
Before recommending an automatic tank girth welding machine, we normally evaluate the following information:

Send us your tank drawing or workpiece dimensions.

Our engineers can evaluate the workpiece first and recommend a suitable welding configuration.

• Consistent Workpiece Travel

Controlled rotation provides stable relative movement between the workpiece and welding position during the circumferential welding cycle.

• Reduced Manual Welding Around the Tank

The operator does not need to manually move the welding torch around the complete circumference of the workpiece.

• Repeatable Production Setup

Once suitable welding conditions are established for a specific workpiece, the setup can be reused for subsequent parts of the same specification.

• Suitable for Batch Manufacturing

Automatic welding is particularly useful when similar tank bodies or cylindrical components require repeated girth seam welding.

• Flexible Machine Configuration

The equipment can be adapted to a defined range of workpiece sizes instead of being restricted to one fixed tank dimension.

 

 

01.What is an automatic tank girth welding machine?

It is an automated welding system used to complete circumferential joints around cylindrical tanks or similar round workpieces. The workpiece is rotated during the welding process so that the torch can continuously weld around the girth seam.

02.Is this machine only for stainless steel tanks?

No. Stainless steel tanks are one of the main applications of this machine. Other materials and cylindrical workpieces can also be evaluated according to their material, thickness, joint design and welding requirements.

03.Can one machine weld tanks of different diameters?

A machine can be designed to accommodate a specified diameter range. Please provide the minimum and maximum workpiece diameters when requesting a solution.

04.What information is required for a customized tank welding machine?

We recommend providing the workpiece drawing, diameter, length, material, wall thickness, weld position, joint design and required welding process.

05.Can you test our workpiece before the machine is shipped?

If sample workpieces are available, welding tests can be discussed during the project to verify the machine configuration and welding process before delivery.

06.Can the machine be customized for our existing production line?

The machine layout and automation configuration can be evaluated according to the customer's existing production process, workpiece handling method and available installation space

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