What is a Keyhole in Welding?
In welding, a keyhole refers to a hole that is formed at the leading edge of the molten weld metal. As the heat source progresses, the molten metal fills in behind the hole to form the weld bead. Keyhole welding is a technique that is used in order to penetrate completely through a workpiece. This type of welding can be used in order to join two pieces of metal together.
There are many benefits to using keyhole welding:
- One benefit is that it can be used in order to weld metals of different thicknesses.
- Another benefit is that keyhole welding can be used in order to weld metals of different types. For example, keyhole welding can be used in order to weld stainless steel to aluminum.
Keyhole welding can be performed using a variety of different types of welders. Some of the most common types of welders that are used for keyhole welding include:
- TIG welders,
- MIG welders,
- and plasma arc welders.
What is keyhole laser welding?
Keyhole laser welding is a type of welding that uses a laser to create the keyhole. This type of welding is often used in order to weld thin materials together.
What is keyhole formation?
Keyhole formation is the process by which the keyhole is created. This can be done using a variety of different methods, but the most common method is to use a laser.
How big should a keyhole be in welding?
The size of the keyhole will vary depending on the type of welding that is being performed. For example, keyholes for TIG welders are typically smaller than keyholes for MIG welders.
Plasma keyhole welding
Plasma keyhole welding is a type of welding that uses a plasma arc to create the keyhole.
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