Ac/Dc Settings On The Surfox Machine; Welds That Cannot Be Cleaned - Walter SURFOX 204 Manuel De L'utilisateur

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11
Safety features
D) AC/DC settings on the SURFOX machine
Example of cleaning and passivation with SURFOX in AC
mode:
Microscopic view of the material
BEFORE
Oxide
layer to be
removed
Example of cleaning and passivation with SURFOX in DC
mode:
Microscopic view of the material
BEFORE
Oxide
layer to be
removed
18
AFTER
Cleaning and passivation is
perfect. Cleans every crack in
the material.
AFTER
Cleaning and passivation is
perfect. Cleans every crack in
the material.
Alteration of the
material due to
the DC setting
E) Welds that cannot be cleaned
If the area around the weld is black (not blue) from contami-
nation, this is a problem of high heat generated during the
welding process. The contaminated areas do not conduct
electricity. If there is no conductivity in the material, the
SURFOX system cannot work.
If there are two welds on top of the other, the structure of
the material has been seriously altered. These areas may
not be cleaned.
The quality of the weld is critical. The better the weld, the
easier it will be to clean.

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