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21A
WELD SETTINGS
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This page and the following are intended as a guide to setting your machine.
The settings outlined in the table are only intended as a starting point. It is possible that the
settings will give satisfactory results without adjustment, but in reality the quality of the
welding results is governed by many variable factors. These include, most obviously, the
welding power and pistol spring pressure as covered in the table, but can also include
factors such as stud and work
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piece material type and condition, ambient temperature,
relative humidity, quality of supply etc. All of these factors can act on the weld to change
the outcome. It is recommended that in all instances, you need to carry out sample welds
in your actual conditions and environment. This will enable you to alter the settings, where
necessary, to achieve welds that are most acceptable to you.
The setting charts were established with the performance of repetitive weld tests using
studs manufactured to the BS EN ISO 13918 standard, in the following materials :
Mild Steel, Grade St37
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3
Stainless Steel, Grade 1.4303
Aluminium Alloy, Grade AlMg3
and sheet materials of the following types :
1.6 mm Thick, Mild Steel, Grade CR4
1.6 mm Thick, Stainless Steel, Type S304
1.6 mm Thick, Aluminium Alloy, Grade HE30, Half Hard
N.R. = NOT RECOMMENDED
