High access consumables for a plasma arc cutting system

摘要

A nozzle for a plasma arc torch is provided. The nozzle includes a substantially hollow, elongated nozzle body capable of receiving an electrode, the body defining a longitudinal axis, a distal end, and a proximal end. The nozzle also includes a swirl sleeve attachable to an interior surface of the nozzle body, the swirl sleeve configured to impart a swirling motion to a gas introduced to the nozzle. The nozzle additionally includes a nozzle tip connected to the proximal end of the nozzle body, a nozzle shield, and an insulator configured to connect the nozzle tip and the nozzle shield to electrically insulate the nozzle shield and the nozzle tip from one another while transferring thermal energy therebetween.

主权项

1. A nozzle for a plasma arc torch, the nozzle comprising:
a substantially hollow, elongated nozzle body capable of receiving an electrode, the body defining a longitudinal axis, a distal end, and a proximal end, wherein the nozzle body includes a distal portion having a first internal cross-sectional width and a proximal portion having a second internal cross-sectional width, the second internal cross-sectional width larger than the first internal cross-sectional width; a nozzle tip connected to the proximal end of the nozzle body, the nozzle tip including a nozzle exit orifice for introducing a plasma arc to a workpiece, the nozzle body and the nozzle tip defining a conductive joint therebetween; a swirl sleeve configured to impart a swirling motion to a gas introduced to the nozzle; wherein the first internal cross-sectional width of the nozzle body and the nozzle tip cooperate to retain the swirl sleeve therebetween, preventing distal axial movement of the swirl sleeve; a nozzle shield; and an insulator configured to connect the nozzle tip and the nozzle shield and to electrically insulate the nozzle shield and the nozzle tip from one another while transferring thermal energy therebetween.