Tig300d welding challenge! Cold welding of 0.4mm thin plate

Hello everyone! This video will introduce how to use and operate the full function inverter / frequency conversion argon arc welding + precision cold welding machine DC TIG 300D. TIG 300D welding machine can weld thin plates as low as 0.4mm, but for beginners, it is recommended to start with welding 1 mm thin plates. This video will explain how to debug and set the three welding parameters of cold welding such as welding current, welding time and interval time. Optional accessories include foot switch and cold welding precolor change mask.

Here we first introduce the basic principle , advantages, benefits and some basic requirements of cold welding!

Basic principle of cold welding:
High current / short time spot welding is used to realize low heat welding.

Benefits of cold welding / micro TIG welding:
1. The heat input to the base metal is small, so it is not easy to deform.
2. The welding joint is white and bright, which can reduce grinding or pickling.

Some requirements for cold welding:
1. For operation requirements, the tip of tungsten needle must be extremely close to the welding point.
2. There are requirements for vision, and the welding position must be observed carefully, so it is recommended to match with cold welding mask.
3. The distance between tungsten needle tip and base metal should be kept stable as far as possible, so it is recommended to use foot switch.

Then, welcome to know the advantages of our TIG 300D machine.

Advantages of BOSJOB TIG300D:

1. With full function DC pulse TIG / MMA and cold welding function.

2. Compared with the common cold welding machine in the market, it has higher maximum current and more accurate welding time control (the accuracy reaches 1msec).

3.Manual(2t) mode; down slop time adjustable.

4. All welding current and time are preset by digital control.

5. Optional cold welding kit, in which the cold welding mask has the function of pre-color-change to protect eyes.

What conditions may not be suitable for cold welding:

1. For mass continuous spot welding production, it has high requirements to operators and requires higher concentration than common welding.

2. If the welding strength needs high / the plate thickness is very thick, it needs a deep penetration. Under this situation, the welding should not be too "cold", or longer welding time should be adjusted.

What conditions may not be suitable for cold welding:
1. For mass continuous spot welding production, it has high requirements to operators and requires higher concentration than common welding.
2. If the welding strength needs high / the plate thickness is very thick, it needs a deep penetration. Under this situation, the welding should not be too "cold", or longer welding time should be adjusted.
3. If the gap between workpieces is too large, it is not easy to weld.

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