| 摘要 |
Disclosed is a non-transferable hollow plasma torch. The non-transferable hollow plasma torch according to one embodiment of the present invention includes an insulation body, a rear torch part which includes a rear electrode housing which is received in one side of the insulation body and a hollow rear electrode body which is fixed in the rear electrode housing, a front torch part which includes a front electrode housing which is received in the other side of the insulation body and a hollow front electrode which is fixed in the front electrode housing, a rear torch cooling unit which cools the rear electrode body outside the rear electrode body, and a front torch cooling unit which cools the front electrode outside the front electrode. The cooling quantity of the front electrode by the front torch cooling unit is larger than the cooling quantity of the rear electrode body by the rear torch cooling unit. |
