| 摘要 |
A laser oscillating apparatus of the invention is an apparatus including discharging means for exciting a laser medium, blowing means for blowing a laser gas and a laser gas path for connecting the discharging means and the blowing means, and a laser oscillating apparatus characterized in that the blowing means is blowing means including a shaft portion provided with a blade wheel portion at a front end thereof, a driving portion for rotating the shaft portion, and a partition wall portion for separating the blade wheel portion and the driving portion, and a surface of the partition wall portion is provided with a metal layer dispersing precipitated polytetrafluoroethylene (PTFE). In the laser oscillating apparatus and a laser working machine using a centrifugal blower, there are provided highly reliable apparatus capable of reducing running cost particularly by restraining a gas consumption amount and capable of being used stably over a long period of time. |
