| 摘要 |
A nose of single-air-hole electrical arc spray machine includes a nozzle body that forms an air flow hole and two guide tube holes arranged at opposite sides of the air flow hole and forming a predetermined angle with respect thereto, a nozzle ring positioned against and fixed to the nozzle body, an electrical discharging chamber internal lid positioned against the nozzle ring, an electrical discharging chamber external cover enclosing the electrical discharging chamber internal lid, an external mounting ring mounting the electrical discharging chamber internal lid and the electrical discharging chamber external cover to the nozzle body, and wire guide tubes. Each of the wire guide tubes includes an insulation section, a conductor section, and a wire emergence terminal sequentially connected to each other. The nose is durable and is easy to maintain with a reduced maintenance cost and improves void ratio of a sprayed layer of coating formed thereby.
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