Abstract: Methods and devices for supporting a workpiece on support slats of a workpiece support during machining of the workpiece by thermal separation by a separation beam directed onto the workpiece are provided. In one aspect, a support slat includes support projections on a workpiece side extending in a longitudinal direction of the support slat. The support projections follow one after another in the longitudinal direction at a mutual distance to form projection gaps. On an underside of at least one support projection remote from the workpiece side, the support slat defines a recess covered by the support projection toward the workpiece side. The recess extends in a transverse direction of the support slat. The support projection covering the recess is separably connected to the rest of the support slat and is separable from the support slat with opening the recess toward the workpiece side.

Abstract: A thermal lance for unplugging a vessel discharge port. The thermal lance including an elongated cylindrical hollow tube made from a combustible material, the tube having an axial length with first and second ends. The tube having a cylindrical sidewall defined by an outer wall having an outer diameter and an inner wall having an inner diameter, with a wall thickness between the outer and inner walls. The tube having a longitudinal axis. At least one projection is formed integrally on the first end and has a length extending away from the first end in substantially the same direction as the longitudinal axis. A telescoping thermal lance assembly is also disclosing that includes a housing and an extension tube within which the lance is located.

Abstract: Systems and methods suitable for cutting a material and deburring devices for performing a deburring operation on an edge of the material. Such a system includes a frame and table systems supported by the frame. Each table system includes a table for supporting the material and each table system is independently movable relative to the frame in lateral directions. A first carriage unit and second carriage units are supported by the frame and independently operable to travel in a travel direction transverse to the lateral directions. The first carriage unit includes multiple cutting devices, and the second carriage units includes multiple deburring devices. Each cutting device operates in conjunction with a corresponding one of the deburring devices, and the cutting and deburring devices are independently operable to cause the cutting devices and the deburring devices to simultaneously travel in the travel direction.

Abstract: A stackable transportable apparatus and method for storing or transporting at least one cylinder, having first and second lateral sides, a front side, a rear side, a bottom side and an opening in the top. The opening in the top and the bottom side are in a plane that is orthogonal to the longitudinal axis. Adjacent sides of each container are operably coupled to form a wall of the container. The wall includes front and rear proximal edges, and front and rear distal, edges. The front and rear proximal edges are closer to the center of a vehicle, by which the container is transported, than the front and rear distal edges. A top portion of the front side of the wall of the container, and the front proximal and distal edges have a plurality of open slot grooves.

Abstract: A conveyor system for rapidly moving and simultaneously processing material sheets through several processing stations, the conveyor system including a chain that moves in an endless loop, and noncontiguous operational and standby skid sections for supporting material sheets and moving with the chain in the endless loop; wherein the conveyor indexes through the processing stations, such that, after each indexing, the conveyor has one skid section that is in operational position associated with each of the processing stations, thus allowing each of the processing stations to operate simultaneously on the associated skid section, during each time period when the conveyor is stopped, after each indexing.

Abstract: A cutting nozzle for a gas torch, such as a postmixed oxy-fuel gas torch, comprising a body with a torch end adapted to engage the gas torch, a discharge end, and a peripheral surface between the torch end and the discharge end. The body has a plurality of bores for respectively conducting fuel gas, preheat oxygen and cutting oxygen through the nozzle, each of the plurality of bores extending from the torch end and terminating in a respective discharge orifice at the discharge end of the body. A set of the plurality of bores are preheat oxygen bores connected to an oxygen source at the torch end for discharging the preheat oxygen at the discharge end. A plurality of air bores each have an inlet orifice located on the peripheral surface of the body and open to an air source, and a discharge orifice in or proximal to the discharge end.

Abstract: A torch guide assembly for cutting target material is presented, the torch guide assembly including a cradle assembly coupled to a rail assembly. The cradle assembly is configured for holding a torch to align a torch tip of the torch to the target material. The cradle assembly is movable along the rail assembly for cutting the target material along a cutting path. A connector member couples the cradle assembly to the rail assembly. The connector member comprises a pivot for pivoting the cradle assembly relative to the rail assembly. The cradle assembly, in a first position, pivots about the pivot to engage at least a portion of the rail assembly to establish an orientation of the torch tip relative to the target material. A magnetic clamp assembly comprises a mechanical device for releasing the clamp.

Abstract: A device for safeguarding a monitoring area in which an automatically operating machine is arranged, having a camera system for monitoring the monitoring area, a configuration unit for defining at least one protection area within the monitoring area, and an analysis unit for triggering a safety-related function. The camera system supplies camera images of the protection area and the analysis unit analyzes whether a foreign object is present in the protection area or penetrates into the protection area. The analysis unit is configured to classify a foreign object, which is present in the protection area or penetrates into the protection area, by analysis of the camera images, to determine on the basis of one or more features characteristic of welding sparks whether the foreign object is a welding spark. The analysis unit triggers the safety-related function if the foreign object has not been recognized as a welding spark.

Abstract: A method for manufacturing a metallic component is disclosed. The method includes forming a metallic component with a support structure using an additive manufacturing process. The support structure includes support walls arranged to form flow passages with a predetermined cross-sectional area. The method also includes placing the metallic component with the support structure into a chamber and sealing the chamber. The method further includes introducing a fuel mixture into the chamber after sealing the chamber. The method still further includes igniting the fuel mixture in the chamber to remove one or more of the support walls of the support structure from the metallic component.

Abstract: The invention relates to waste material removal devices and related assemblies and methods. In certain aspects of the invention, a machining tool has a waste material removal device, which comprises a suction slide for carrying out a movement in a translational direction (x). The suction slide includes a suction arm support and a suction arm, and the suction arm is fastened pivotably on the suction arm support. In certain aspects of the invention, a waste material removal device has a suction arm having a suction opening and a separating device for separating solid waste material parts according to their weight arranged at the suction opening. The suction opening is oriented at an angle between 10° and 170° to a longitudinal axis of the suction arm.

Abstract: Some embodiments include a method of providing substantially uninterrupted gas service by coupling at least one gas cylinder to a portable tanking assembly. The tanking assembly can include a cart including a rear frame and a coupled carrier frame supported on an axle with wheels. In some embodiments, the carrier frame can include a caged regulation assembly housing at least a portion of a regulation apparatus with an upstream supply end coupled to a downstream delivery end. In some embodiments, the regulation apparatus includes a primary regulator coupled a one relief valve. The relief valve can be coupled to a downstream regulator, coupled to a water column gauge. In some embodiments, the regulation apparatus further includes a delivery valve. In some embodiments, the delivery valve comprises a distribution manifold assembly including a manifold and a plurality of distribution couplers coupled to the manifold.

Abstract: Improved slats for cutting tables are provided by forming from steel elongate receiver plates having a plurality of receiver slats and forming from copper a plurality of insert members. The insert members each have an interlocking section and a tip section. The interlocking sections of the insert members are mated and pressed into the receiver slots so the tip sections extend above the top of the receiver plates and are able to support a work piece above and away from the receiver plates during a cutting operation.

Abstract: A head-mix swirl injector for gas torches. The swirl injector may include an injector body adapted to be disposed in a head of the torch. The injector body may define a swirl baffle, an injector orifice in fluid communication with the swirl baffle, and a mixing chamber in fluid communication with the injector orifice. The swirl injector may further include at least one gas port extending from the mixing chamber to an exterior of the injector body. The mixing chamber may have a larger diameter than the injector orifice.

Abstract: The torch guide encloses a structural metal section to be cut on four sides of that metal section. The cutting torch guide has co-planar top and bottom guiding surfaces and parallel first and second side guiding surfaces. The top and bottom guiding surfaces intersect the first and second side guiding surfaces at four points lying in a same plane. All four guiding surfaces being aligned perpendicular to a longitudinal axis of the structural metal section to be cut, for guiding a cutting torch around the entire structural metal section to be cut. The top and bottom guiding surfaces are adjustable at angle of 90° to 45° from the longitudinal axis, while maintaining the alignment of all four guiding surfaces along a planar cutting plane through the structural metal section to be cut.

Abstract: Provided is a mobile workbench constructed so as to determine that an accident of some kind has occurred and to stop if the speed of the mobile workbench suddenly changes. A mobile workbench (A) travels on a material (Ca) to be processed and performs predetermined processing (welding) by using a processing tool (welding torch (B)) mounted thereon. The mobile workbench (A) comprises: a workbench main body (1); a plurality of wheels (4) which are provided on the workbench main body (1); a drive motor (3a) which drives the wheels (4); an acceleration sensor (10) which detects the acceleration acting on the workbench; and a control unit (12) which is constructed so as to determine that an abnormality has occurred and to stop the drive motor (3a) if a sudden change in speed is detected by the acceleration sensor (10).

Abstract: A system for controlling a temperature of a flame of a torch for cutting a piece of material, comprising: a valve system fluidly connectable to an oxygen source and a fuel source for receiving a heating oxygen flow and a fuel flow, respectively, and the torch for propagating the heating oxygen and fuel flows thereto, the valve system comprising at least a first adjustable valve and a second adjustable valve for regulating the heating oxygen flow and the fuel flow, respectively; and a control unit comprising a memory and a processor configured for: receiving data indicative of a desired temperature for the flame; determining, from the data, a corresponding amount of heating oxygen and a corresponding amount of fuel adapted to provide the flame with the desired temperature; and adjusting the valves to provide the torch with the corresponding amount of heating oxygen and the corresponding amount of fuel.

Abstract: An improved sacrificial exothermic cutting blade to be coupled to a standard oxygen exothermic cutting torch to cut material on land and under water. The improved cutting rod includes a semi-flattened outer tube and a plurality of consumable fuel rods or wires running longitudinally through the outer tube. The semi-flattened outer tube of the cutting blade includes a pair of opposing relatively flat sides ideal for cutting relatively wide kerfs and a substantially flat top and bottom ideal for cutting narrower kerfs. By virtue of the semi-flattened outer tube and the closely packed and tightly sealed fuel wires surrounded thereby and running therethrough, flare outs, fluttering, side burns and wire stub outs can be more reliably avoided than in conventional cutting rods having cylindrical outer tubes.

Abstract: A torch tip protector is elastically retained to an oxyacetylene cutting torch tip during transport. The torch tip protector in the preferred embodiment has a protector cap having a generally disc-shaped base and a truncated conical side wall that together form a cup or thimble-shaped torch tip cover. This torch tip cover operatively encompasses a torch tip and thereby operatively blocks access and fouling of the torch tip. To ensure that the protector cap stays engaged with torch tip, a hook secures to and is manually removable from at least one of the torch gas lines. A spring couples to the hook and couples with the protector cap to provide an elastic tension force that draws the protector cap towards hook and thereby secures the protector cap onto the torch tip.

Abstract: A nozzle for cutting steel workpieces and workpieces made of iron alloys comprising a nozzle body with an axial hole for the outflow of cutting oxygen and a cylindrical free space at the outlet surface of the nozzle forming the cutting flame. Furthermore, the nozzle has a plurality of heating gas holes and a plurality of heating oxygen holes that are arranged in an external or internal concentric circle around the axial hole. In addition, a number of cooling oxygen holes arranged in at least one concentric circle around the axial hole are provided that run from the inlet side of the nozzle body to the outlet surface of the nozzle and open outside of the pot-shaped, cylindrical free space.

Abstract: A cutting apparatus embodying the principles of the present invention includes first and second cutting torches which can be selectively operated, depending upon the nature and thickness of a workpiece which is being cut. The cutting apparatus includes a pivotally moveable torch mounting plate on which each of the first and second torches is mounted, with the mounting plate in turn being rotatably moveable about a vertical main axis of the apparatus. The present apparatus provides significant savings, in that two individual torches, such as an oxy-acetylene gas torch and a plasma torch, and can be mounted on the same mechanism for positioning to produce bevel and vertical cutting in materials having different thicknesses and/or cutting requirements at a significant savings in machine complexity.

Abstract: The invention relates to a nozzle system (10) having a nozzle (1) for a cutting torch (3) for autogenous torch-cutting, having a nozzle body (2) with media channels for cutting oxygen, heating oxygen or heating gas for the creation of a primary flow (4). In order to clearly reduce the noise during torch-cutting, the nozzle body (2) is surrounded in a sleeve-like manner by a tube sheathing piece (5). Therein, the inner side of the tube sheathing piece (5) has lengthwise clearances (6) on the sheathing surface of the nozzle body (2) for sucking in outside air using the suction effect of the torch-cutting media for the creation of a secondary flow (7).

Abstract: A system for thermally working a workpiece has a torch body having a first axial end positionable near the workpiece and a torch receptacle coupled to a second axial end of the torch body. A plurality of ports extend axially through the torch receptacle from a first axial end of the torch receptacle to a second axial end of the torch receptacle. A plurality of fittings provided at the second axial end of the torch body for communication with a subset of the plurality of ports. The torch body comprises one of a plasma torch body and an oxy-fuel torch body that is exchangeably coupled to the torch receptacle. The subset of the plurality of ports is a plasma subset when the plasma torch body is coupled to the torch receptacle and an oxy-fuel subset when the oxy-fuel torch body is coupled to the torch receptacle.

Abstract: A breaching device that may be used to create a linear and, if desired, continuous, cut or breach in a metal structure. The cut or breach created may be non-linear in shape and not deviate from the functionality of the device. The device includes a plurality of containers joined together, such as by a metal wire or the like to form a series of cutting charges. One or more of the containers includes Reactive Material (RM) that may be ignited electronically or some other activation mechanism. The containers that do contain RM are sealed with the RM therein and preferably fabricated to be sufficiently heat resistant so that the RM is only ignited intentionally. The RM that is contained in the containers may be fired simultaneously, sequentially or in a programmed pattern, depending on the requirements of the application.

Abstract: A method of directing a gas flow in a tip of a gas torch includes: directing a flow of gas to an outer passageway of the tip; directing the flow of gas inwardly through at least one intermediate gas passageway; directing the flow of gas to a central gas passageway of the tip; and directing the flow of gas distally through a distal orifice of the tip.

Abstract: The invention concerns a method for detecting the wear of a cutting nozzle on a cutting torch for cutting steel workpieces, in particular slabs, blooms and slugs. A branch line exits to the cutting torch in the feed line of the heating gas connection, into which branch line a neutral medium with a set pressure is blown through the cutting nozzle after closing the medium valves for heating gas, cutting oxygen and heating oxygen. To do so, said process is carried out once when installing a new cutting nozzle for the calibration thereof. Said process is performed again at set intervals, depending on the usage of the cutting nozzle, in order to determine and to store in memory the wear condition of the cutting nozzle and to generate an optical and/or acoustic signal in case a predetermined maximum admissible deviation amount of the medium blown in has been exceeded.

Abstract: A method of directing gas flows in a gas torch includes directing a flow of a first gas and a flow of a second gas to a mixer central gas passageway of a mixer and directing the flow of the mixed first and second gases from the mixer to an axial passageway of a tip. The method further includes directing a flow of a third gas to an outer passageway of the tip, directing the flow of the third gas inwardly through at least one intermediate gas passageway, and then directing the flow of the third gas to a tip central gas passageway of the tip. Finally, the flow of the mixed first and second gases and the flow of the third gas are directed distally through a distal portion of the tip.

Abstract: An ultrasound device for the treatment of surfaces and welded joints is disclosed. The device has a housing with a plurality of shaped slots formed therein. A reciprocally moveable sleeve is attached to the housing, and contains an ultrasonic transducer. A reciprocally moveable attachment is attached to an operating end of the sleeve, and has a detachable working head mounted thereon. A pin is positioned in a pin slot on the housing, and anchors the sleeve to the housing to limit movement of the sleeve. The pin is biased towards the front of the pin slot by means of a spring, and a moveable spigot provides a predetermined contact force between the ultrasound device and a work surface. The spigot has spigot pins that are inserted into the plurality of shaped slots in the housing in order to restrict axial movement of the spigot, thereby providing added compression or tension to the spring in order to provide the predetermined contact force.

Abstract: A torch tip protector is elastically retained to an oxyacetylene cutting torch tip during transport. The torch tip protector in the preferred embodiment has a protector cap having a generally disc-shaped base and a truncated conical side wall that together form a cup or thimble-shaped torch tip cover. This torch tip cover operatively encompasses a torch tip and thereby operatively blocks access and fouling of the torch tip. To ensure that the protector cap stays engaged with torch tip, a hook secures to and is manually removable from at least one of the torch gas lines. A spring couples to the hook and couples with the protector cap to provide an elastic tension force that draws the protector cap towards hook and thereby secures the protector cap onto the torch tip.

Abstract: A torch guide device for cutting target material is presented, the torch guide device including a torch cradle assembly coupled to a rail assembly. The torch cradle assembly is configured for holding a torch to align a torch tip of the torch to the target material. The torch cradle assembly is movable along the rail assembly for cutting the target material along a cutting path. The connector member couples the torch cradle assembly to the rail assembly. The connector member comprises a pivot for pivoting the torch cradle assembly relative to the rail assembly. The torch cradle assembly, in a first position, pivots about the pivot to engage at least a portion of the rail assembly to establish an orientation of the torch tip relative to the target material.

Abstract: A device for either or both of metal cutting and metal welding. The device is configured to a standard service side arm and other guns and/or other types of tools to cut and/or weld metals for the purposes of breaching and welding metals in a range of applications, including in air and underwater, without degrading the primary purposes of the gun or other tools. In one embodiment, the device includes a reactive material cartridge and a nozzle adapted for attachment to a muzzle. In another embodiment, the device includes a muzzle-loading tube including the reactive material and a nozzle configured to shape the reactive material exiting the tube.

Abstract: A tip for use in a gas cutting torch is provided that includes an outer tip portion defining a central cavity and a distal orifice and an inner tip portion disposed within the cavity of the outer tip portion. The inner tip portion defines an outer surface, a central gas passageway in communication with the distal orifice of the outer tip portion, and an least one intermediate gas passageway extending from the outer surface to the central gas passageway for a flow of at least one gas to provide improved cooling to the tip.

Abstract: A head-mix swirl injector for gas torches. The swirl injector may include an injector body adapted to be disposed in a head of the torch. The injector body may define a swirl baffle, an injector orifice in fluid communication with the swirl baffle, and a mixing chamber in fluid communication with the injector orifice. The swirl injector may further include at least one gas port extending from the mixing chamber to an exterior of the injector body. The mixing chamber may have a larger diameter than the injector orifice.

Abstract: A cutting machine includes a suction duct that is movable with a cutting head of the cutting machine, using a common drive. The suction duct is disposed beneath the workpiece support and coupled to the motion unit supporting the cutting head so that it moves with the motion unit while an opening of the suction duct remains positioned below the cutting head during a cutting operation. The suction duct removes cutting debris and dust, and protects underlying machine components from beam damage.

Abstract: A tip assembly for use in a gas cutting torch is provided that includes a tip and a mixer. The tip includes a tip central gas passageway and a distal orifice and the mixer includes a proximal end portion and a distal end portion. The distal end portion of the mixer is adapted for connection to the tip and the proximal end portion of the mixer defines a connecting member that removably connects the mixer to a torch head.

Abstract: A system for performing exothermic operations or oxygen delivery uses a rod and handle configuration to create a flowpath of oxygen. The rod includes cables having stainless steel fibers that burn using the oxygen within a hollow center area. While burning, the rod cuts through material. A sheath covers the covers to contain the gases and prevent unraveling of the cables. The handle attaches to the rod and provides control of the flow of oxygen to the rod. A manifold fixing in place bottles of oxygen connects to the handle and can be fixed to provide different mixtures from different bottles. The rod is disconnected when needed to fix a mask thereto for delivering breathable oxygen to a patient.

Abstract: A system for controlling a temperature of a flame of a torch for cutting a piece of material, comprising: a valve system fluidly connectable to an oxygen source and a fuel source for receiving a heating oxygen flow and a fuel flow, respectively, and the torch for propagating the heating oxygen and fuel flows thereto, the valve system comprising at least a first adjustable valve and a second adjustable valve for regulating the heating oxygen flow and the fuel flow, respectively; and a control unit comprising a memory and a processor configured for: receiving data indicative of a desired temperature for the flame; determining, from the data, a corresponding amount of heating oxygen and a corresponding amount of fuel adapted to provide the flame with the desired temperature; and adjusting the valves to provide the torch with the corresponding amount of heating oxygen and the corresponding amount of fuel.

Abstract: A cutting and welding torch includes a base. The base is provided with a chamber. Oxygen and a fuel gas are introduced and mixed in the chamber. A mixing pipe is connected to the chamber. The other end of the mixing pipe is connected to a burner nozzle. The interior of the chamber is provided with a check ring. Both sides of the check ring are provided with a sealing gasket respectively. The check ring is made into a hollow cylindrical body by powder alloys. The inside of one end of the mixing pipe adjacent to burner nozzle is provided with a guiding piece. The guiding piece is an elongate metallic piece and twisted to form a spiral piece. A mixed gas of the oxygen and the fuel gas flows along a spiral path of the guiding piece. By this arrangement, a backfire is prevented and the efficiency in operation is increased.

Abstract: The invention relates to a nozzle (1) for cutting steel workpieces and workpieces made of iron alloys, comprising a nozzle body (2) having an axial hole (5) for the discharge of cutting oxygen and a cylindrical free space (7) at the outlet surface (8) of the nozzle (1), which outlet surface forms the cutting flame (10). The nozzle (1) further comprises a plurality of heating gas holes (13) and a plurality of heating oxygen holes (11), which are arranged in an outer or inner concentric circle around the axial hole (5). In addition, a number of cooling oxygen holes (15) arranged in at least one concentric circle around the axial hole (5) is provided. The cooling oxygen holes run from the inlet side (6) of the nozzle body (2) to the outlet surface (8) of the nozzle (1) and open outside of the pot-shaped cylindrical free space (7).

Abstract: A head-mountable flashback arrestor for a gas torch having body, head, and tip sections. The head-mountable flashback arrestor may be disposed in a variety of gas torches, such as cutting torches, welding torches, heating torches, and so forth. The flashback arrestor also may embody a variety of filtering mechanisms, such as a porous metal structure. For example, the porous metal structure may be sintered from a metal particulate, such as a stainless steel powder, to form a non-linear or random flow pattern.

Abstract: A gas cutting method is provided which includes: mixing hydrogen gas and hydrocarbon gas to acquire fuel gas; ejecting a preheating flame, which is formed by mixing and igniting the fuel gas and preheating oxygen gas, from an end of a cutting tip to heat a workpiece; and ejecting cutting hydrogen gas to the heated workpiece to cut the workpiece. Here, the content of the hydrocarbon gas in the fuel gas is more than 0 vol % and equal to or less than 4 vol %.

Abstract: An oxygen strand cutting machine for flame-cutting cast cold and hot slugs, steel blocks and slabs in and after continuous steel casting units comprising: a crane tower; and a boom erected perpendicularly to the continuous casting direction, whereon one or two torch carriages with flame cutters are perpendicularly movable with respect to the cast strand, wherein the crane tower is permanently fixed to the cast strand and includes an articulated arm horizontally pivoting in a set angular sector, on which the boom is rotatably and horizontally mounted, wherein the boom is movably connected to a lifting carriage movable along the articulating arm or the boom and the boom is fitted with roller bearings around which the boom is pivotable to be situated perpendicularly to the continuous casting direction during flame cutting via digital programming, and wherein the articulated arm simultaneously houses driving means, a cooling water supply, and power and control cables as a common line.

Abstract: A device for either or both of metal cutting and metal welding. The device is configured to a standard service side arm and other guns and/or other types of tools to cut and/or weld metals for the purposes of breaching and welding metals in a range of applications, including in air and underwater, without degrading the primary purposes of the gun or other tools. In one embodiment, the device includes a reactive material cartridge and a nozzle adapted for attachment to a muzzle. In another embodiment, the device includes a muzzle-loading tube including the reactive material and a nozzle configured to shape the reactive material exiting the tube.

Abstract: A universal cutting torch is provided which has a cutting torch head with a universal cavity capable of accommodating any one of a plurality of different torch tips manufactured for different cutting torches having different cavity configurations.

Abstract: An adapter, and the method of using the same, is disclosed for converting a oxy-fuel cutting torch to an exothermic or air lance cutting torch. The oxy-fuel cutting torch is converted by removing the torch tip therefrom and by substituting a two-piece, adapter which enables one end of a burning bar to be inserted therein and securely positioned therein. Two different embodiments of the adapter are disclosed.

Abstract: A lightweight bevel head attachment for a torch cutting machine includes a horizontal support tray, a rotation assembly mounted under the support tray, a tilt assembly coupled to the rotation assembly for rotation therewith about a vertical axis, a torch holder carried and pivoted by the title assembly, and a rack-and-pinion lift assembly having a mounting plate for attachment to the cutting machine carriage. The tilt assembly includes a pair of link arms housing a pulley system for transmitting pivotal motion at an input shaft to an output shaft on which the torch holder is mounted. The bevel head attachment can provide bevel angles in a range of about +/?75 degrees.

Abstract: A thermite torch is disclosed that contains a thermite composition made of a bimodal mixture of nano-sized particles and micro-sized particles. Also disclosed is a tankless exothermic torch comprising a rod and a handle that contains a gas generating compound in the handle. The thermite torch gun does not require a tank of compressed gas. Elimination of this tank mitigates dangers and logistical burdens associated with it presence and use, without compromising operation or cutting performance. The rod may contain a high-density mixture of oxygen-releasing and/or heat-releasing chemicals. Preferably, the mixture comprises a bimodal-blend of nanometer and micrometer-sized particles in a closely-packed configuration to fill interstitial voids. The gun may contain an ignition module and power supply for initiating directed high-temperature flame jetting, and for turning it on/off/on when a solid-chemical oxygen generator is mounted in the gun.

Abstract: A thermal energy machining (“TEM”) machine is designed with interchangeable components for processing different sized parts within a single frame. The frame weldment includes a base, an upper mounting plate and intermediate mounting plates. In one embodiment, a TEM machine for processing short parts includes a ram cylinder directly secured to the base, a chamber spacer directly secured to the upper mounting plate and a thermal chamber directly secured to the chamber spacer. In another embodiment, a TEM machine for processing long parts includes a thermal chamber directly secured to the upper mounting plate, a ram spacer directly secured to the base, and a ram cylinder directly secured to the ram spacer.

Abstract: A downdraft exhaust cutting and shuttle table mechanism includes a cutting area and a loading area, which includes first and second elongated, horizontally disposed cutting tables which are shuttled into and out of a cutting area which includes a material cutting assembly positioned therein, the shuttle table mechanism including horizontal and vertical table movement devices which are operative to move the first and second cutting tables forwards and backwards between the cutting area and a loading area generally adjacent thereto and a vertical table movement device operative to move the first and second cutting tables upwards and downwards, the vertical and horizontal table movement devices cooperating to move each of the first and second cutting tables from a loading position generally horizontally forwards into the cutting area for cutting of material mounted thereon then generally horizontally backwards into the loading area to a position generally underneath the other of the cutting tables which has been

Abstract: The invention relates to a numerically controlled tool-holding device for jet/beam cutting. It is a device designed specifically for the requirements of jet/beam cutting of thick, plate-shaped components, and it is to be understood as a component of a gantry-type, robot-like machine. With the aid of this device it is possible to change the orientation of the jet/beam-producing tool (3) relative to the component and to produce the bevel forms which are usual in this plate thickness range—very flat bevels of great length are typical—without the risk of collisions and with particularly great accuracy. The device is designed to withstand the environmental stress which prevails during jet/beam cutting of thick, plate-shaped components, i.e. great heat and the production of large amounts of dust.

Abstract: The object of the present invention is to provide a method for cutting with gas which uses a cutting tip including a preheating hole for forming a preheating flame with a fuel gas and an oxygen gas for preheating, and an oxygen gas hole for cutting a workpiece by injecting oxygen gas for cutting, and which can decrease an amount of hydrogen gas used by supply a fuel gas to the preheating hole, which is appropriate in both heating and cutting the workpiece, and an apparatus for cutting with gas, and the present invention provides an apparatus for cutting with gas (30) which supplies an oxygen gas, and a fuel gas to a cutting tip (20) including a preheating hole (23) and an oxygen gas hole for cutting (22), wherein the apparatus (30) includes a supply circuit for oxygen gas (50), a supply circuit for hydrogen gas (41), a supply circuit for hydrocarbon-based gas (45), and a gas supply control means (60), and the gas supply control means (60) can alter a ratio of the hydrogen gas and the hydrocarbon-based gas whi