What is High Frequency in Welding?

High-frequency (HF) welding is a process that uses an alternating current of high frequency and voltage to weld various materials. This type of welding is often used in gas-tungsten arc welding (GTAW) power sources, as the HF current ionizes a path for non-touch arc starting and stabilizes the arc when welding with alternating current.

What does high-frequency do in welding?

HF welding is a specialized type of welding that requires expensive equipment and trained operators. However, the process can be used to weld a variety of materials, including:

metals,
plastics,
and composites.

HF welding is often used in applications where other welding methods cannot be used, such as when welding sensitive electronic components.

What is high-frequency Resistance welding?

High-frequency resistance welding (HFRW) is a specialized type of welding that uses high-frequency current to weld various materials.

What does high-frequency do in TIG welding?

In gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG) welding, a high-frequency current is used to create an arc between the tungsten electrode and the workpiece. The high-frequency current ionizes the gas around the electrode, which creates a plasma that protects the weld from oxidation.

What is high-frequency induction welding?

High-frequency induction welding (HFIW) is a type of welding that uses a high-frequency current to weld various materials.

RF welding

RF welding, or radio frequency welding, is a type of welding that uses high-frequency electromagnetic fields to weld various materials.

High-frequency welding machine for PVC

A high-frequency welding machine is a type of welding machine that uses a high-frequency current to weld various materials.

Forsstrom

Forsstrom HF welders are a type of welding machine that uses a high-frequency current to weld various materials.