Laser nozzle having an external mobile element made of electrically insulating material and an insert made of electrically conductive material

摘要

The invention relates to a nozzle for laser cutting, comprising a nozzle body (1) comprising a first axial housing (5), a movable element (2) formed from an electrically insulating material and comprising a second axial housing (4), said movable element (2) being arranged in the first axial housing (5), and an elastic element (8) arranged in the first axial housing (5) between the nozzle body (1) and the movable element (2). According to the invention, the nozzle furthermore comprises an insert (3) comprising an axial passage (18) and a front portion (3a) forming a skirt that protrudes out of the second axial housing (4), said insert (3) being arranged in the second axial housing (4) of the movable element (2) and formed from an electrically conductive material. Associated laser head and apparatus. Laser cutting process employing such a nozzle.

主权项

1. A laser nozzle comprising:
a nozzle body comprising a first axial housing, a movable element comprising a second axial housing, said movable element being arranged in the first axial housing, an elastic element arranged in the first axial housing between the nozzle body and the movable element, and an insert comprising an axial passage and a front portion forming a skirt that protrudes out of the second axial housing, said insert being arranged in the second axial housing of the movable element,wherein the insert is formed from an electrically conductive material and the movable element is formed from an electrically insulating material.