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Welding jigs

A welding jig is an essential tool in the welding process. Its primary purpose is to present the workpiece to the robot in the correct position, ensuring that the welding process is accurate and consistent. The jig also helps to keep the workpiece in the correct position during the welding process, preventing any unwanted movement or shifting.​

In addition to positioning the workpiece, the welding jig also plays a crucial role in assembling the workpiece correctly. By holding the various components of the workpiece in place, the jig ensures that they are assembled in the correct configuration and that the final product is dimensionally within tolerances.​

The welding jig also helps to check for the presence of all parts, ensuring that no components are missing or misplaced. This is important for maintaining the quality and integrity of the final product.​

In summary, the welding jig serves several important functions in the welding process, including presenting the workpiece to the robot in the correct position, keeping the workpiece in the correct position, assembling the workpiece correctly, keeping the workpiece dimensionally within tolerances, and checking for the presence of all parts.​

Classification of welding jigs​

Manually​

  • Manual input​
  • Manual clamping and unclamping​
  • Manual output​

Semi-automatic​

  • Manual input​
  • Manual clamping​
  • Automatic unclamping​
  • Manual or automatic output​

Automatically​

  • Automatic import and export​
  • Automatic clamping​

Clamping​

  • Mechanical​
  • Pneumatic​
  • Electrical​
  • Hydraulic​

Because of confidentiality we cannot show you here examples of welding jigs. Valk Welding needs to respect the intellectual property of our customers. In case you have a question feel free to contact us so we can discuss with you your needs.​

Simulation of a welding jig before design freeze

The golde rule for positioning parts in a welding jig: the 1-2-3 rule

Welding jigs - mistakes​

  • Free degrees of freedom​
  • Too many stoppers​
  • Incorrect positioning due to contamination

Mistakes with welding jigs​

​There are several mistakes that can be made in the design of a welding jig. One common mistake is not taking into account the various factors that can affect the welding process, such as the preparation of individual components, deformation due to heat input during welding, and poor positioning due to incorrect use of the welding jig.​

​Another mistake is not considering the sensors on the welding robot, which can help detect deviations and automatically adjust the weld parameters to changes in the joint geometry. ​

​It is important to carefully design the welding jig to ensure that it is effective in presenting the workpiece to the robot in the correct position, keeping the workpiece in the correct position, assembling the workpiece correctly, keeping the workpiece dimensionally within tolerances, and checking for the presence of all parts.

Knowledge

What to be known?

IWE/IWT only

  • Give me 3 different reasons why a welding jig can be important
  • Explain the 1-2-3 rule for positioning of parts in a welding jig

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Contact

We like to think along with you in finding solutions for your (welding) automation, welding wires and welding accessories. We are looking for the connection and prefer to be a partner rather than a supplier.