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本实用新型提供一种用于金属表面强化的等离子弧喷头,涉及金属热处理技术领域。该喷头由现有金属焊接、切割用的等离子弧喷头改进而成,其特征在于使用有压缩段的收敛扩散型喷嘴。
The utility model provides a plasma arc spray nozzle used for strengthening the metal surface, which relates to the technical field of metal heat treatment. The nozzle is improved by the existing metal welding and cutting plasma arc nozzle, which is characterized by using convergent diffusion nozzle with compression section.