23
6 Shading Measures
CAUTION
• When the welder is controlled by external control input signal, provide proper shade around the
welding torch.
Accidental arc generation may damage eyes or burn the skin of those without proper protection.
For shaded glasses of helments or hand shields, use filter numbers 8 to 10 of JIS T8141 for
welding of thin plates since it has a weak arc beam and the arc must be seen easily. On the
other hand, use numbers 10 to 13 for welding of medium-thick plates since the arc is bright.
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