Abstract: Nozzle for a plasma torch head, laser cutting head or plasma laser cutting head, arrangement composed of such a nozzle and of a nozzle protection cap, arrangement composed of such a nozzle and of an electrode, plasma torch head, laser cutting head or plasma laser cutting head having such a nozzle and/or having such an arrangement, plasma torch comprising such a plasma torch head, laser cutting head comprising such a nozzle and/or such an arrangement, plasma laser cutting head comprising such a nozzle and/or such an arrangement, method for plasma cutting, method for laser cutting and method for plasma laser cutting using the same.

Abstract: The invention relates to a plasma torch, in particular plasma cutting torch, in which at least one secondary medium is guided by at least one secondary feeder through a housing of the plasma torch to a nozzle protection cap opening and/or to further openings that are provided in a nozzle protection cap. In the at least one feeder, at least one valve for opening and closing the feeder is provided directly within the housing of the plasma torch, and wherein the at least one secondary feeder is divided into at least two parallel feeders through which the at least one media flows in the direction of the nozzle protection cap opening or the further openings, and at least two valves, which are each individually activatable, for opening and closing the at least two parallel feeders are provided within the housing.

Abstract: In the case of the nozzle protection cap (7) according to the invention for a plasma arc torch (1), is arranged and fastened at the outside on the tip of the plasma arc torch (1), at which a plasma jet emerges from the plasma arc torch (1) through nozzle-like openings (4a, 7a). The nozzle protection cap (7) is produced from an iron alloy including sulfur in a fraction of at least 0.05%.

Abstract: The invention relates to a plasma torch, in particular plasma cutting torch, in which at least one secondary medium is guided by at least one feeder through a housing of the plasma torch to a nozzle protection cap opening and/or to further openings that are provided in a nozzle protection cap. In the at least one feeder, at least one valve for opening and closing the feeder is provided directly within the housing of the plasma torch.

Abstract: Method for fitting or plugging a first connecting part into a second connecting part of a processing head for thermal material processing, the first connecting part having, on an encircling outer face, and/or the second connecting part having, on an encircling inner face, at least one slot, extending at least around a partial circumference, with a slot width B130, B230 and a slot depth T130, T230, T112, T120, which receives an O-ring or profile ring, extending around the entire circumference, with a cord size Sa, wherein, when the first connecting part is fitted or plugged into the second connecting part, the O-ring or profile ring is initially in contact with the opposite inner face or opposite outer face only around a partial circumference, which extends along the slot, or around a plurality of partial circumferences, which extend along the slot, and connecting parts and arrangements made up thereof.

Abstract: Nozzle for a plasma torch head, laser cutting head or plasma laser cutting head, arrangement composed of such a nozzle and of a nozzle protection cap, arrangement composed of such a nozzle and of an electrode, plasma torch head, laser cutting head or plasma laser cutting head having such a nozzle and/or having such an arrangement, plasma torch comprising such a plasma torch head, laser cutting head comprising such a nozzle and/or such an arrangement, plasma laser cutting head comprising such a nozzle and/or such an arrangement, method for plasma cutting, method for laser cutting and method for plasma laser cutting using the same.

Abstract: Nozzle for a liquid-cooled plasma arc torch head, and an assembly of a nozzle holder and such a nozzle and plasma arc torch head, and a plasma arc torch with the same.

Abstract: In the case of the nozzle protection cap (7) according to the invention for a plasma arc torch (1), is arranged and fastened at the outside on the tip of the plasma arc torch (1), at which a plasma jet emerges from the plasma arc torch (1) through nozzle-like openings (4a, 7a). The nozzle protection cap (7) is produced from an iron alloy including sulfur in a fraction of at least 0.05%.

Abstract: The invention relates to a single or multipart insulating component for a plasma torch, particularly a plasma cutting torch, for electrical insulation between at least two electrically conductive components of the plasma torch, characterized in that the insulating component consists of an electrically non-conductive and easily thermally conductive material, or at least one part thereof consists of an electrically non-conductive and easily thermally conductive material. The invention further relates to assemblies and plasma torches having the same and to a method for processing, plasma cutting and plasma welding.

Abstract: The invention relates to a single or multipart insulating component for a plasma torch, particularly a plasma cutting torch, for electrical insulation between at least two electrically conductive components of the plasma torch, characterized in that the insulating component consists of an electrically non-conductive and easily thermally conductive material, or at least one part thereof consists of an electrically non-conductive and easily thermally conductive material. The invention further relates to assemblies and plasma torches having the same and to a method for processing, plasma cutting and plasma welding.

Abstract: Nozzle for a liquid-cooled plasma arc torch head, and an assembly of a nozzle holder and such a nozzle and plasma arc torch head, and a plasma arc torch with the same.

Abstract: The invention relates to a plasma torch, preferably to a plasma cutting torch, in which a plasma gas PG1 and/or PG2 flows through at least one feed through a housing of the plasma torch gas up to a nozzle opening. A hollow space connected to the feed(s) is also present within the housing and a valve which opens and closes an opening is arranged at the opening at said hollow space and a leading off of plasma gas PG1 and/or PG2 out of the feed(s) up to the nozzle opening can be achieved in the open state of this valve.

Abstract: The invention relates to a plasma torch, preferably to a plasma cutting torch, in which a plasma gas PG1 and/or PG2 flows through at least one feed through a housing of the plasma torch gas up to a nozzle opening. A hollow space connected to the feed(s) is also present within the housing and a valve which opens and closes an opening is arranged at the opening at said hollow space and a leading off of plasma gas PG1 and/or PG2 out of the feed(s) up to the nozzle opening can be achieved in the open state of this valve.

Abstract: The invention relates to a single or multipart insulating component for a plasma torch, particularly a plasma cutting torch, for electrical insulation between at least two electrically conductive components of the plasma torch, characterized in that the insulating component consists of an electrically non-conductive and easily thermally conductive material, or at least one part thereof consists of an electrically non-conductive and easily thermally conductive material. The invention further relates to assemblies and plasma torches having the same and to a method for processing, plasma cutting and plasma welding.

Abstract: A plasma torch head, a plasma torch shaft and a plasma torch for providing a quick and simple possibility of changing the plasma torch head are described.

Abstract: Connection between a plasma torch wearing part and a plasma torch wearing part holder, plasma torch wearing part and plasma torch wearing part holder.

Abstract: A nozzle for a liquid cooled plasma torch includes a nozzle bore for the exit of a plasma gas beam at a nozzle tip, a first section, of which the outer surface is essentially cylindrical, and a second section connecting the nozzle tip, of which the second section the outer surface tapers essentially conically towards the nozzle tip, wherein at least one liquid supply groove is provided and extends over a part of the first section and over the second section in the outer surface of the nozzle towards the nozzle tip and at least one liquid return groove separate from the liquid supply groove is provided and extends over the second section.

Abstract: A nozzle protection cap for an arc plasma torch comprises a front end section and a rear end section with a thread region on its inner surface for screwing to a torch body of an arc plasma torch. At least one groove crosses the thread region on the inner surface. A nozzle protection cap holder for the arc plasma torch comprises a section with a thread region on its outer surface for screwing to the nozzle protection cap. At least one groove crosses the thread region on its outer surface. An arc plasma torch comprises a torch body and a nozzle protection cap screwed thereto in a screw connection region. The torch body and/or the nozzle protection cap is/are designed so that at least one channel is formed between them, the channel crossing the screw connection region.

Abstract: A nozzle for a liquid-cooled plasma torch, comprising a nozzle bore for the exit of a plasma gas jet at a nozzle tip, a first portion, the outer surface of which is substantially cylindrical, and a second portion adjacent thereto towards the nozzle tip, the outer surface of which tapers substantially conically towards the nozzle tip, wherein at least one liquid supply groove and/or at least one liquid return groove is/are provided and extend over the second portion in the outer surface of the nozzle (4) towards the nozzle tip, and wherein the liquid supply groove or at least one of the liquid supply grooves and/or a liquid return groove or at least one of the liquid return grooves also extends/extend over part of the first portion, and there is in the first portion at least one groove which communicates with the liquid supply groove or at least one of the liquid supply grooves or with the liquid return groove or at least one of the liquid return grooves.

Abstract: The invention relates to a liquid-cooled plasma burner, comprising a nozzle bore for the plasma gas jet to exit at a nozzle tip and a first section whose outer surface gradually tapers in the shape of a cone at an angle ? in the direction of the nozzle tip, except for at least one deflection section that extends in the shape of a cone at an angle ? in the direction of the nozzle tip. The invention also relates to an arrangement thereof with a nozzle cap and to a plasma burner comprising such an arrangement.