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the lens. The following table shows the recommended welding gas specifications. The
higher the gas purity is, the better the quality of the welding gap is.
Impurities can be filtered out in the gas supply pipeline, but oxygen and water vapor
can penetrate into the optical path system through non-metallic materials, which is the
source of dust and hydrocarbons. It is recommended to use stainless steel accessories,
and a filter that can remove particles as small as 0.01 microns must be used for
purification.
It is recommended to use a pressure gauge with a stainless-steel diaphragm.
Industrial pressure gauges will inhale air. If a rubber diaphragm is used, hydrocarbons
will be generated due to aging and other reasons.
HW970 provides 1 way welding gas connection. The outer diameter of the gas pipe
is 6mm. As shown in Figure 4 below.
Figure 4 HW970 pneumatic interface
Optical fiber interface
The HW970 is suitable for most industrial laser generators. It is equipped with a
collimator lens assembly.
The connection between the end of the optical fiber and the welding head is called
the optical fiber connector. HW970 comes standard with QBH optical fiber connector, as
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