Automatic Flange Welding Machine
This automatic flange welding machine is designed for welding pipe-to-flange joints, helping manufacturers automate a repetitive welding operation.
Description
Automatic Flange Welding Machine Overview

The Automatic Flange Welding Machine is designed for welding pipe-to-flange joints in industrial pipe fabrication and component manufacturing. With an automatic loading system integrated into the welding process, the machine helps manufacturers streamline workpiece handling and improve the consistency of repetitive welding operations.
It is suitable for production applications where pipes and flanges need to be positioned and welded according to defined process requirements. The machine can be customised based on pipe dimensions, flange configurations, workpiece materials, welding processes and production workflow.
Whether you are looking to reduce manual handling, improve production organisation or build a more automated pipe fabrication process, a customised pipe flange welding machine can be configured around your actual workpieces and manufacturing needs.
The Key Features of the Automatic Flange welding machine

1. Automatic Loading, Welding and Unloading
This automatic flange welding machine integrates automatic loading, TIG welding and automatic unloading into one production process, reducing manual material handling and improving workflow efficiency for pipe and flange welding.
2. Dual-Torch TIG Welding for Both Pipe Ends
Equipped with two TIG welding torches, the machine can simultaneously weld flanges at both ends of a pipe, helping improve productivity and maintain a consistent welding process for repetitive pipe-to-flange joints.
3. Supports Butt-Joint and Socket-Joint Welding Flange
Designed for versatile pipe flange welding applications, the machine can be customised for both butt-joint and socket-joint connections between pipes and flanges, according to workpiece dimensions and joint requirements.
4. Customised Pipe Flange Welding Solutions
This automatic pipe flange welding machine can be tailored to your pipe diameters, flange sizes, joint configurations and production requirements, providing a customised solution for industrial pipe-to-flange welding automation.
The technical Parameter of the Flange Pipe Welding Machine
|
No. |
Items |
Specification |
|
1 |
Applicable pipe flange length |
Pipe diameter range:6'' and 8" Flange diameter range : max 11'' max length: 6000mm;Details as users drawing |
|
2 |
Head stock drive motor and Rotation speed |
Panasonic AC Servo Motor 0.75KW , stepless adjustment |
|
3 |
Manual fine adjusting of welding torch by screw device |
Up down stroke 50mm Left right stroke 50mm Forward/backward 50mm |
|
5 |
Welding torch Pneumatic up down moved along the height relative(up/down) |
100mm |
|
6 |
Pneumatic forward backward stroke of tail stock |
150mm |
|
7 |
Shield gas |
99.99 % Ar2 |
|
8 |
Shield gas consumption |
10~15L/MIN |
|
9 |
Weld current adjust range |
10 - 400A |
|
10 |
Clamp/release for pipe flange |
Pneumatic type |
|
11 |
Welding mode |
full cycle with overlap amount |
|
12 |
Concentricity between rotary spindle and tailstock |
+/0.15mm |
|
13 |
Users ' factory Compressed air pressure |
0.4-0.8MPA |
|
14 |
Cooling method of weld torch |
water cooling |
|
15 |
Machine working voltage |
220V 1phase 50hz/60hz for automatic machine electric cabinet 380v 3phase 50hz/60hz for welding power source |
|
16 |
Welding wire Diameter |
Solid wire 1.0/1.2 |
|
17 |
Machine Estimated dimensions |
7500x1900x2000mm |
This parameter is not fixed, but is customized according to customer requirements and workpiece specifications.
What Problems Can This Machine Help You Solve?
- Reduce Manual Workpiece Handling
Repetitive loading and positioning can take up a significant part of a pipe flange welding operation. An automatic loading arrangement can reduce manual handling when it is designed to match the workpieces and production process.
- Improve Production Consistency
Dedicated fixtures and a defined positioning process can help maintain the required relationship between the pipe and flange. Actual consistency depends on workpiece tolerances, fixture design, welding parameters and process control.
- Organise Repetitive Welding Operations
For manufacturers producing similar pipe-and-flange assemblies in batches, an automated welding setup can help establish a repeatable workflow and reduce reliance on repeated manual positioning.
- Support a More Efficient Production Layout
Integrating loading and welding functions can help manufacturers organise material flow around the welding station. The practical benefit depends on cycle time, loading method, operator involvement and the layout of the surrounding production line.
The working process of the Automatic Flange Welding Machine
The actual operating sequence depends on the machine configuration. A typical process may include the following steps.
The working process

STEP1
Automatic Pipe Loading
The loading system feeds the pipe into the designated working position according to the configured feeding method.

STEP2
Flange Positioning and Clamping
The pipe and flange are positioned and secured using the appropriate fixture to establish the required joint alignment.

STEP3
Pipe-to-Flange Welding
The configured welding system completes the specified joint according to the selected welding process and qualified procedure.

STEP4
Unloading and Inspection
After welding, the workpiece is removed manually or through a configured unloading system, then inspected against the applicable quality requirements.
Watch this automatic flange welding machine in action. The system integrates automatic loading, dual-torch TIG welding and automatic unloading to weld flanges to both ends of a pipe simultaneously. It supports customised butt-joint and socket-joint welding configurations to meet different pipe flange welding requirements:
Customisation Options for Different Pipe and Flange Requirements
Different manufacturers have different workpiece dimensions, joint designs and production targets. A customised automatic flange welding machine should be selected around these requirements rather than relying on a one-size-fits-all configuration.
|
Customisation item |
Information to confirm |
|---|---|
|
Pipe dimensions |
Minimum and maximum outside diameter, length and wall thickness |
|
Flange specifications |
Outside diameter, thickness, bore and flange type |
|
Joint configuration |
Pipe-end connection, weld position and joint design |
|
Loading system |
Manual feeding, automatic feeding or integrated material handling |
|
Welding process |
TIG, MIG/MAG or another process suitable for the application |
|
Workpiece positioning |
Required fixture, clamping and rotation arrangements |
|
Production requirements |
Batch size, target cycle time and operator involvement |
|
Unloading method |
Manual removal or an integrated unloading solution |
The available options depend on the final engineering design. Welding process, loading method and machine configuration should be confirmed before quotation.
Why Choose a Customised Pipe Flange Welding Solution
- Designed Around Your Actual Workpieces
Machine configuration and fixture design can be planned around your pipe dimensions, flange geometry and joint requirements.
- Automation Matched to Your Production Process
The loading arrangement and welding workflow can be evaluated according to your material handling needs and production layout.
- Welding Process Selected for the Application
The appropriate welding process should be determined by the base material, wall thickness, joint design, quality requirements and applicable welding procedure.
- Configuration Confirmed Before Manufacturing
Workpiece drawings, samples, technical requirements and expected production targets can be reviewed before the final machine configuration is confirmed.
To help evaluate the right solution, provide your pipe and flange drawings, material specifications, required weld details and expected production volume.
FAQ
FAQ FOR THE FLANGE TO PIPE WELDING MACHINE

01.What is an automatic flange welding machine used for?
02.Can this machine weld a flange to a pipe automatically?
03.What is the difference between pipe flange welding and pipe-to-flange welding?
04.Which welding process is suitable for pipe and flange welding?
05.Can the machine handle different pipe diameters and flange sizes?
06.How can I get a quotation for an automatic flange welding machine?
Hot Tags: automatic flange welding machine, China, manufacturers, suppliers, factory
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