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644 results about "Torch" patented technology

A torch is a stick with combustible material at one end, which is ignited and used as a light source. Torches have been used throughout history, and are still used in processions, symbolic and religious events, and in juggling entertainment. In some countries "torch" in modern usage is the term for a battery-operated portable light.

High-efficiency rotary table combined welding equipment and method thereof

The invention discloses high-efficiency rotary table combined welding equipment and a method thereof.The high-efficiency rotary table combined welding equipment comprises a base and an annular barrel, the annular barrel is fixedly arranged at the top of the base, and a rotary table is rotationally arranged at the top of the annular barrel. According to the high-efficiency rotary table combined welding equipment and the method thereof, the centering clamping mechanism, the turning-over mechanism and the flexible supporting mechanism are arranged between the annular cylinder and the rotary table, so that when the rotary table is driven by the rotary mechanism, the device can also be used for clamping the rotary table through cooperation of the centering clamping mechanism, the turning-over mechanism and the flexible supporting mechanism; according to the automatic welding device, automatic centering clamping, automatic front face welding, automatic face turning for back face welding and automatic centering clamping relieving are synchronously and sequentially carried out on plates in different feeding directions, the plates can be promoted to complete corresponding actions in different directions, and the plates can be promoted to be automatically and stably welded on the front face and the back face in combination with the welding directions of a multi-axis mechanical arm and a welding gun.
Owner:JIANGSU JIANGBEN FLEXIBLE TECH MFG CO LTD

Hoisting method of flare tower

The invention provides a hoisting method of a flare tower. The hoisting method comprises the following steps: calculating the total weight and the gravity center position of a flare tower assembly; according to the requirements of the lifting height and the preset inclination angle, a balance weight piece and a main lifting lug are additionally arranged on the flare tower, so that the included angle between the horizontal plane and the connecting line between the main lifting lug of the lifted flare tower and the gravity center of the flare tower assembly is within the preset inclination angle range; welding two connecting pieces and a positioning rod at the bottom of the flare tower; hoisting the flare tower in a horizontal mode to enable the flare tower to be separated from the supporting surface; inclining the flare tower to enable the included angle between the center line of the flare tower and the horizontal plane to be a preset inclination angle; the flare tower is lifted to a deck, and a positioning rod at the bottom of the flare tower gradually gets close to a limiting device arranged on the deck; slowly moving the flare tower until the positioning rod enters the limiting device so as to limit the rotation of the positioning rod; and rotating the flare tower to enable the flare tower to vertically stand on the deck, and welding the base of the flare tower and the deck.
Owner:HAIYANG CIMC RAFFLES OFFSHORE +3

Consumable cartridge for a plasma arc cutting system

The invention features a replaceable cartridge for a plasma arc torch. The cartridge includes a cartridge body having a first section and a second section. The first and second sections are joined at an interface to form a substantially hollow chamber. The interface provides a coupling force that secures the first and second sections together. The cartridge also includes an arc constricting member located in the second section; an electrode included within the substantially hollow chamber; and a contact start spring element affixed to the electrode. The spring element imparts a separating force that biases the electrode toward at least one of the first section or the second section of the body. The separating force has a magnitude that is less than a magnitude of the coupling force.
Owner:HYPERTHERM INC

Semi-solid ultrasonic rolling synchronous auxiliary electric arc additive manufacturing deposition forming device and method

The invention discloses a semi-solid ultrasonic rolling synchronous auxiliary electric arc additive manufacturing device and method, and the device comprises an ultrasonic rolling device, and further comprises an electric arc welding gun device, an automatic wire feeding device, a manipulator, a control system device, a protective gas cylinder and a clamp device. When semi-solid ultrasonic rolling synchronous auxiliary electric arc additive manufacturing is carried out, the electric arc welding gun is fixed to one mechanical arm, the synchronous ultrasonic rolling device is fixed to the other mechanical arm, and the two mechanical arms are controlled by the control system device to move synchronously. The invention provides a structure regulation and control method of applying ultrasound and rolling composite to a semi-solid area of an electric arc additive manufacturing near-molten pool, and utilizes stirring and cavitation effects of the ultrasound and a deformation-induced recovery recrystallization effect to promote escape of bubbles, effective welding of pores and full crushing and refining of dendritic crystals, so that the mechanical property of the electric arc additive manufacturing near-molten pool is improved. And finally, regulation and control of the compact equiaxed fine grain structure in electric arc additive manufacturing are achieved.
Owner:DALIAN UNIV OF TECH +1

Flame cutting torch appliance adopting natural gas

The utility model discloses a flame cutting torch appliance adopting natural gas, which relates to the technical field of cutting torch appliances, and comprises a cutting torch body, the outer wall of the top of the cutting torch body is fixedly connected with a connecting column, and the outer wall of the bottom of the connecting column is provided with threads and is in threaded connection with a cutting torch sleeve. A protection assembly is arranged on the outer wall of the bottom of the cutting nozzle sleeve, and a fuel gas flux adjusting assembly communicating with the interior of the cutting nozzle sleeve is arranged on the right side wall of the cutting nozzle sleeve. By means of the protection assembly, the protection position of the hollow moving column is adjusted, the safety problem caused by metal spark splashing is avoided, meanwhile, the spiral gas mixing channel and the fuel gas groove can effectively increase the gas mixing degree and the gas flow speed, sprayed flames are more stable, and the safety performance of the burner is improved. And the arranged fuel gas flux adjusting assembly can automatically adjust the opening degree of the electromagnetic valve and accurately control the flux of fuel gas, so that fuel gas resources are saved.
Owner:CHONGQING NAS ENERGY TECH

Steel beam cutting equipment for steel structure building construction

The invention discloses steel beam cutting equipment for steel structure building construction, and relates to the field of building steel beam flame cutting equipment.The steel beam cutting equipment comprises a support, a vertical frame, a rotating disc structure and a cutting structure, the vertical frame is fixedly installed on the support, the rotating disc structure is installed in the vertical frame, and the cutting structure is installed on the vertical frame; the rotating disc structure comprises a rotating disc, a clamping assembly and a limiting structure, the rotating disc is rotationally installed in the vertical frame and can rotate freely, the clamping assembly is installed on the rotating disc, and the limiting structure is fixedly installed on the rotating disc; the cutting structure comprises a gas cutting gun and a position adjusting structure, the gas cutting gun is fixedly installed on the position adjusting structure, the position adjusting structure is fixedly installed on the vertical frame, and the vertical position of the gas cutting gun can be adjusted along with rotation of the steel beam by synchronously adjusting the gas cutting gun while the steel beam is driven to rotate; and the quality of cut surfaces after cutting is ensured to be consistent.
Owner:NANTONG HUARONG CONSTR GRP CO LTD +1

Motor home axle welding device and method

The invention discloses a motor home axle welding device and method, and belongs to the technical field of welding, the motor home axle welding device comprises a supporting seat, a sliding rail assembly is connected to the supporting seat, an automatic rotating arm is connected to the sliding rail assembly, an electric arc welding gun is arranged outside the automatic rotating arm, a supporting rail is connected to the supporting seat, and a base plate is connected to the supporting rail. According to the invention, the clamping plate, the third pin shaft piece, the fourth pin shaft piece, the telescopic rod, the liquid storage frame, the hydraulic rod, the second spring and the sliding connecting block are adopted, so that additional stress generated by axial expansion can be effectively absorbed and dispersed through small displacement in the transverse direction; therefore, the problems of structural deformation, welding dislocation or welding stress concentration caused by the size change of the axle main body in the welding process are avoided, through the linkage adjusting effect of the mechanism, the deformation influence caused by thermal expansion of the axle main body in the welding process can be effectively reduced, the automatic electric arc welding precision is improved, and the welding quality is improved. And the automatic electric arc welding quality and the assembly precision are ensured.
Owner:YANGZHOU SAIDE RV CO LTD

Gantry type robot welding equipment and method for large component

The invention relates to the technical field of welding robots, and discloses large component gantry type robot welding equipment and a welding method.The large component gantry type robot welding equipment comprises a gantry rack, the gantry rack achieves X / Y / Z three-direction movement, and a six-axis robot is installed at the vertical moving end of the gantry rack; an electric arc welding gun, three-dimensional laser vision sensors, a grinding machine and a high-speed camera are installed at the tail end of the six-axis robot, and the two three-dimensional laser vision sensors correspond to the electric arc welding gun and the grinding machine correspondingly. A three-dimensional laser tracker is fixedly connected to the middle section of a cross beam of the gantry rack; a placing platform is arranged in the middle of the lower end of the gantry rack, a central controller is installed on the gantry rack, the central controller is connected with the gantry rack, the six-axis robot and the three-dimensional laser tracker through an EtherCAT bus, and the central controller carries a digital twin module, a welding expert database and a deformation prediction model. And manual welding is not needed, so that the working efficiency is improved.
Owner:HEBEI JIANSEN STEEL STRUCTURE CO LTD

Color-coated sheet plasma arc welding device and welding method thereof

The invention discloses a color-coated sheet plasma arc welding device and a welding method thereof, and relates to the related technical field of welding, the color-coated sheet plasma arc welding device comprises a rack and supports fixed to the two sides of the rack, and further comprises sliding barrels fixed to the two sides of the rack through the supports, transmission rods are vertically installed in the two sliding barrels in a sliding mode, and the transmission rods are fixed to the two sides of the rack through the supports. Sliding rods are fixed to the tops and the bottoms of the two transmission rods correspondingly, a rectangular frame is formed through the two sliding rods and the two transmission rods, the two transmission rods are installed on the two sliding rods through translation assemblies, the two lifting plates are fixed to the opposite sides of the two sliding barrels correspondingly, and the two lifting plates are driven by driving sliding sleeves and lead screws to rotate synchronously. According to the embodiment, the plasma arc welding gun ascends and descends along with the protruding form of the color-coated plate body while the sliding rod is driven to horizontally move, and compared with a driving mode of multiple air cylinders or a motor air cylinder combination, the plasma arc welding gun driving device has the advantages of being simple in structure, low in production cost and debugging cost and stable in accuracy.
Owner:SHANDONG YOUJIA BOARD IND CO LTD

Torch with movable emissive insert

A plasma torch includes a nozzle with an opening and an electrode disposed interiorly of the nozzle and configured to generate a plasma arc and direct the plasma arc through the opening of the nozzle. The electrode includes an electrode body and an emissive insert disposed in the electrode body. The emissive insert is movable relative to the electrode body.
Owner:ESAB GROUP INC

Cable twisting protection device and method for yaw system of wind generating set

The invention relates to the technical field of wind driven generators, and discloses a wind generating set yaw system twisted cable protection device and method.The device comprises a tower barrel and a twisted cable and further comprises supporting frames fixed to the two sides of the tower barrel, and limiting frames are fixedly connected between the opposite sides of the two supporting frames correspondingly; connecting plates are arranged between the opposite sides of the two limiting frames correspondingly, fixing plates are fixedly connected to the front side and the rear side of one side of each connecting plate correspondingly, and dampers are fixedly connected between the opposite sides of the two fixing plates correspondingly. Limiting holes in positioning rings penetrate into an annular protection shell, when a twisted cable shakes slightly, the twisted cable can abut against two protection rings in the annular protection shell, the protection rings are stressed to drive limiting rods and enable the limiting rings to stretch second springs to protect the twisted cable, a certain amount of space is stored in a limiting space, and therefore the twisted cable can be protected. Therefore, the cable is ensured not to be fixed at a certain position by strong force, and damage caused by friction and torsion concentration is reduced.
Owner:SDIC JIUQUAN NEW ENERGY CO LTD

Adjusting device for welding and cutting torch

The invention discloses an adjusting device for a welding and cutting torch, and relates to the technical field of welding and cutting torches. The device comprises a base, a transmission mechanism is arranged in a sliding groove of the base, an electric rotating disc is arranged at the top of the transmission mechanism, a driving mechanism is fixedly installed at the top of the electric rotating disc, and an oil-gas-proof device for removing equipment oil dirt is arranged below the driving mechanism; an anti-condensation device for preventing acetylene and oxygen supply hoses from being frozen at low temperature is arranged on the periphery of the oil-gas-proof device, and a bearing mechanism is slidably mounted in the driving mechanism. The welding and cutting mechanism is prevented from making contact with the top of a workpiece through the pulleys, a certain welding and cutting distance is reserved, so that the phenomena of tempering and flame discharge are prevented, meanwhile, the heat gathering plate swinging in a reciprocating mode absorbs heat generated when the welding and cutting mechanism works, overflowing is avoided, interference caused by radiation of high air temperature to external equipment is prevented, and the welding and cutting efficiency is improved. And protection on external equipment is improved.
Owner:QINGDAO ZHENDEHENG WELDING & CUTTING TOOLS CO LTD

Fire processing method for thin-wall quartz tube

The invention provides a fire processing method for a thin-wall quartz tube, and relates to the field of quartz products. Comprising the following steps: S1, roughly machining a tube body and a flange of the quartz tube, and reserving machining allowance on the tube body; s2, finely burning the pipe body and the flange, annealing, cooling and cleaning; s3, the pipe body and the flange are fixed to the two sides of a rotating disc machine correspondingly, a semicircular gun lamp is turned on, the to-be-bonded portions of the pipe body and the flange are heated through flames, the rotating disc machine is turned on at the same time, and the pipe body and the flange rotate at the same speed; after the to-be-bonded parts of the pipe body and the flange are heated to be bright and transparent, the pipe body makes contact with the flange, the semicircular gun lamp is turned off, and after cooling is conducted, the rotating disc machine is turned off, and preliminary bonding is completed; s4, manually rotating the rotary disc machine, and heating by using a 3mm small gun until the bonding part of the workpiece is completely fused, so as to finish the bonding; and S5, the pipe body is machined, and the machining allowance is removed. According to the machining method, firstly, the machining allowance is reserved at the fire machining part so as to increase the wall thickness of the pipe body, and the pipe body is prevented from deforming in the fire machining process.
Owner:BEIJING ASHERAD INTEGRATION TECH SERVICES CO LTD +1

Plasma gas flow control for torch system

A plasma torch system includes a regulator configured to direct a first portion of the gas flow from a gas source toward a consumable of a plasma torch, the regulator being configured to regulate a pressure of the first portion of the gas flow directed toward the consumable based on a pressure in a pilot chamber. The plasma torch system also includes a valve fluidly coupled to the pilot chamber and configured to direct a second portion of the gas flow from the gas source toward the pilot chamber. The valve, in the first position, is configured to increase the pressure in the pilot chamber at a first ramp rate, and the valve, in the second position, is configured to decrease the pressure in the pilot chamber at a second ramp rate.
Owner:ESAB GROUP INC

Plasma arc automatic welding equipment for cold-roll steel sheet machining

The invention relates to the technical field of cold-roll steel sheet welding, in particular to plasma arc automatic welding equipment for cold-roll steel sheet machining, which comprises a rack, a moving unit connected to the rack and the like, a plurality of first electric push rods are fixedly connected to the bearing plate; the telescopic ends of the first electric push rods are jointly and fixedly connected with a first mounting plate. A base plate is connected to the first mounting plate and located under the plasma arc welding gun, an arc-shaped groove is formed in the base plate, and the base plate is located in a through groove in the middle of the bearing plate. A plurality of second electric push rods are fixedly connected to the front side and the rear side of the rack correspondingly; the telescopic ends of the second electric push rods located on the same side are jointly and fixedly connected with a second mounting plate, and the two second mounting plates are symmetrically arranged front and back. Through the synergistic effect of all the parts, automatic alignment and welding of the joints of the cold-roll steel sheet cylinder are achieved.
Owner:MA STEEL (JINHUA) STEEL PROCESSING CO LTD

Efficient welding system for single-face welding and double-face forming of subsea pipeline

The utility model belongs to the field of pipeline welding, and particularly discloses an efficient welding system for single-side welding and double-side forming of a subsea pipeline, which comprises bottom sealing and hot welding equipment, filling and capping welding equipment and a rigid track, the bottom sealing and hot welding equipment comprises a first welding unit, the first welding unit comprises a CMT welding power source and a single-torch welding trolley, and a CMT welding gun electrically connected with the CMT welding power source is fixedly connected to the single-torch welding trolley; the rigid track is detachably mounted on the subsea pipeline, and the single-torch welding trolley is detachably mounted on the rigid track when the subsea pipeline is welded; and the filling and capping welding equipment is used for welding the subsea pipeline subjected to bottom sealing and hot welding. By means of the method, the single-face welding and double-face forming effect under the gapless assembly can be achieved under the condition that copper liners are not adopted for bottom sealing and hot welding, meanwhile, the filling efficiency is high during filling and cosmetic welding, the welding efficiency can be improved, and meanwhile the method is suitable for welding of a whole series of subsea pipelines such as common carbon steel, acid pipes and composite pipes.
Owner:TIANJIN UNIV

Plasma cutting gun head

The utility model relates to the field of plasma cutting, and discloses a plasma cutting gun head which comprises a nozzle body, an electrode body is arranged in an inner cavity of the nozzle body, an anti-burning head is arranged in an inner cavity of the top of the nozzle body, and a plurality of air guide grooves are evenly and obliquely formed in the bottom of an inner cavity of the anti-burning head. A rotating groove is formed in the top of the inner cavity wall of the nozzle body, an inner cavity of the rotating groove is rotationally connected with a rotating ring, a plurality of exhaust hole channels are formed in the top of the anti-burning head, and the nozzle body is sleeved with a protection cylinder. The anti-burning head is driven to rotate rapidly under the action of the rotating ring outside the anti-burning head in the rotating groove, part of high-pressure airflow enters the exhaust hole channel under the action of the air guide slope and is exhausted, an air wall is formed in cooperation with the rotating anti-burning head, the nozzle is effectively prevented from being scraped by electric arcs, and the service life of the nozzle is prolonged. The plasma cutting gun head solves the problem that an existing plasma cutting gun head is prone to being scraped by an electric arc to cause head burning.
Owner:CHANGZHOU SANMEI IND EQUIP CO LTD

Adjustable numerical control flame cutting machine

The invention discloses an adjustable numerical control flame cutting machine, and relates to the field of flame cutting machines, the adjustable numerical control flame cutting machine comprises a supporting table, supporting plates are arranged on the supporting table, each supporting plate can move in the vertical direction, a starting part is arranged on one side of a sliding table, and when a cutting structure moves, under the cooperation of the starting part, the cutting structure can move in the vertical direction. A supporting plate located below a cutting torch of the cutting mechanism moves downwards, so that the supporting plate is far away from the plate to form a gap; the sliding table moves to trigger the supporting plate below the cutting area to automatically move downwards, so that a certain gap is formed between the supporting plate and a plate, slag cannot make contact with the surface of the supporting plate immediately, the slag can make contact with the supporting rack only after falling by a certain distance, the adhesion strength of the slag is remarkably reduced, adhesion cannot be too tight even if adhesion is conducted, later-period removal is easy, and the service life of the plate is prolonged. Meanwhile, only the supporting plate below the current cutting position is subjected to avoiding operation, frequent lifting of irrelevant areas is avoided, the supporting plate is protected, and the service life of equipment is prolonged.
Owner:LIANYUNGANG ZHENJIANG RAIL TRANSIT EQUIP CO LTD

Exhaust gas treatment device and method for treating exhaust gas

To provide an exhaust gas treatment device that can prevent a gas treatment reactor from corroding and can improve reaction efficiency with a treatment gas.SOLUTION: An exhaust gas treatment device includes a liquid supply line for supplying liquid to a torch part and then supplying the liquid heated by the torch part to a gas treatment reactor.SELECTED DRAWING: Figure 1
Owner:EBARA CORP

Automatic flame-spraying high-temperature plastic-removing burning cleaning furnace

The utility model discloses an automatic flame-spraying high-temperature plastic-removing burning cleaning furnace which is used for carrying out high-temperature plastic-removing on a spraying hook hung on a hanging chain line, the running path of the hanging chain line passes through the burning cleaning furnace, and the burning cleaning furnace comprises a flame-spraying end part and a flame-blocking end part which are arranged on the two opposite sides of the running path of the hanging chain line. The flame spraying end component is provided with flame spraying torches distributed along the running path of the suspension chain line, the flame blocking end component can be opened and closed relative to the flame spraying end component when being operated, the flame blocking end component and the flame spraying end component are closed relative to each other when the burning cleaning furnace is used for burning cleaning, and the flame spraying torches spray flames to the flame blocking end component when the burning cleaning furnace is used for burning cleaning. And the coating sprayed on the surface of the hook is carbonized by the high temperature generated by the flame at the butt joint part between the flame spraying end part and the flame blocking end part. Due to the fact that online treatment is adopted for high-temperature burning cleaning, upper hanging tools, lower hanging tools and transfer are not needed, labor intensity is reduced, and efficiency is improved.
Owner:浙江辉煌三联实业股份有限公司

Light rail type three-dimensional cutting device and machining method thereof

The invention relates to a light rail type three-dimensional cutting device and a machining method thereof, and belongs to the technical field of steel structure cutting. The light rail type three-dimensional cutting device comprises a cutting main machine, a guide rail is arranged at the lower end of the cutting main machine, and electromagnet blocks magnetically connected with a workpiece to be machined are arranged on the two sides of the lower end of the guide rail; a cutting torch is arranged on the side edge of the cutting main machine, a transverse rack is arranged between the cutting torch and the cutting main machine, a cutting torch seat capable of transversely moving along the transverse rack is arranged between the transverse rack and the cutting torch, a vertical rack for driving the cutting torch to move up and down is arranged in the cutting torch seat, and a lifting knob meshed with the vertical rack in a tooth form mode is arranged on the cutting torch seat. The device has the advantages of compact structure, convenience in operation, good running stability, time saving and labor saving. Movement and flame size of the flame cutting gun are accurately controlled through a numerical control system, metal materials are cut through heat generated by combustion of oxygen and fuel gas, and the flame cutting device is suitable for cutting large-thickness carbon steel plates and low in cutting cost.
Owner:ZHEJIANG SOUTHEAST SPACE FRAME CO LTD

Hand torch (15th National Games - blooming)

ActiveCN309772453STorchIndustrial engineering
1. The name of the design product: handheld torch (15th National Games - blooming). 2. The use of the design product: for transmitting fire. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:第十五届全国运动会广东赛区执行委员会

Steel structure component welding deformation correction device

This utility model relates to a welding deformation correction device for steel structure components, belonging to the field of steel structure component production technology. It includes a traveling track and a self-propelled trolley that travels along the length of the track. A vertical support column is mounted on the self-propelled trolley, and a horizontal support cantilever is mounted at the top of the support column. A first mounting seat and a second mounting seat, movable and lockable along the length of the horizontal support cantilever, are mounted on the horizontal support cantilever. A gas torch and a correction detection device are respectively mounted on the first and second mounting seats. This utility model has the following advantages: the self-propelled trolley, carrying the gas torch and correction detection device, moves along the length of the steel plate, enabling a more uniform movement speed of the flame torch and better heating of the steel structure component. The gas torch is used for flame correction of the steel plate. The correction detection device is used to detect the flame correction effect and prevent overcorrection as much as possible.
Owner:曲阜华亿重工有限公司

Outdoor torch

ActiveCN309964829STorchFlashlight
1. Name of the product in this design: Outdoor flashlight. 2. Purpose of this design: for outdoor lighting. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
Owner:SHENZHEN CHUANGSHI HUALIAN TECH CO LTD

Torch (lithium battery)

ActiveCN309685920SProcess engineeringTorch
1. The name of the design product: flashlight (lithium battery disassembled charging). 2. The use of the design product: the design product is used for lighting. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.
Owner:SHENZHEN LIANGERTU TECH CO LTD

Anti-collision plasma torch cutting gun

ActiveCN224688133USafety controlTorch
The utility model discloses a kind of anti-collision plasma flame torch cutting torch, including cutting torch main body, collar group, swing disc and electrode group. Collar group is made of positioning ring and float ring, electrode group is arranged therebetween, float ring can cause electrode sheet separation when contact with external object, trigger alarm. Swing disc is movably sleeved in the outer periphery of cutting torch main body, multiple contact rods and isolation plates are arranged thereon;When longitudinal or oblique contact occurs, contact rod is contacted with barrier to cause swing, drives isolation plate to be inserted between electrode sheet, realizes disconnect detection. Isolation plate is connected with positioning ring by spring, with automatic reset function. The structure realizes 360 degrees omnidirectional lateral collision detection and longitudinal, oblique protection, with the advantages of fast response, simple structure, strong self-resetting capability, etc., suitable for collision sensing and safety control of cutting torch in plasma cutting operation.
Owner:常州鑫立离子技术有限公司

Output control method for gas-shielded arc welding, welding system, welding power source, and welding control device

Gas-shielded arc welding in which the tip-to-work distance changes is configured so that fluctuations in welding current are curbed while arc length control is maintained. This is achieved with a corrected current calculating unit that includes a first controlling expression where a first gain G1 is multiplied by an instantaneous voltage error value that is the difference between an instantaneous output voltage setting value and an output voltage detection value, and / or a second controlling expression where a second gain G2 is multiplied by an average voltage error value that is the difference between an output voltage setting value and an average output voltage detection value of a pre-set period of time, determines an arc property gain G1 and / or G2 based on a torch position detection value determined by a torch position determinator, and calculates a corrected current based on the first and / or the second controlling expression.
Owner:KOBE STEEL LTD

Wear part for an arc torch and plasma torch, arc torch and plasma torch comprising same, method for plasma cutting and method for producing an electrode for an arc torch and plasma torch

ActiveUS12526909B2Cooled electrode holdersElectrode accessoriesHafniumTorch
The invention relates to a wear part for an arc torch, plasma torch or plasma cutting torch, characterised in that the wear part or at least one part or a region of the wear part consists of an alloy formed from silver and zirconium, silver and hafnium, or silver and zirconium and hafnium.
Owner:KJELLBERG STIFTUNG

Groove flame cutting torch device

The invention relates to the technical field of thermal cutting, in particular to a groove flame cutting torch device which comprises a mounting seat. The lifting shell is in transmission connection with the lifting driving assembly, and the lifting driving assembly can drive the lifting shell to ascend and descend; the main cutting torch fixing assembly is arranged on the lifting shell, and the main cutting gun is arranged on the main cutting torch fixing assembly; the transverse driving assembly is arranged on the lifting shell; the first transmission assembly is arranged on the lifting shell in the extending direction of the lifting shell; the first fixing assembly is connected with the first transmission assembly; the second transmission assembly is arranged on the lifting shell in the extending direction of the lifting shell; and the second fixing assembly is connected with the second transmission assembly. According to the device, automatic adjustment of the main cutting gun and the groove cutting position can be achieved, so that the adjustment efficiency is improved, and the quality after cutting can be guaranteed.
Owner:GUANGZHOU SHIPYARD INTERNATIONAL LTD