Patent application number | Description | Published |
20110297658 | METHOD AND SYSTEM TO START AND USE COMBINATION FILLER WIRE FEED AND HIGH INTENSITY ENERGY SOURCE FOR WELDING - A method and system to weld or join workpieces employing a high intensity energy source to create a weld puddle and at least one resistive filler wire which is heated to at or near its melting temperature and deposited into the weld puddle. | 12-08-2011 |
20130020289 | METHOD AND SYSTEM TO START AND STOP A HOT WIRE SYSTEM - A method and system to start and/or stop a hot wire process. A hot wire system includes a filler wire feeder that includes a contact tube for holding a filler wire, a wire feed mechanism, a power supply for applying a heating current to the wire; and a controller coupled to the feed mechanism and the power supply. The controller is configured for regulating the heating current to the wire and locating the wire with respect to the workpiece for forming a molten puddle with an arc to initiate a hot wire process. The controller may also be configured to regulate the feed of the wire to the molten puddle and one of regulate and/or pulse the current to the wire so as to retract the wire out of the molten puddle in a stable manner when stopping the hot wire process. | 01-24-2013 |
20130043219 | METHOD AND SYSTEM TO START AND USE COMBINATION FILLER WIRE FEED AND HIGH INTENSITY ENERGY SOURCE FOR WELDING - A method and system to weld or join workpieces employing a high intensity energy source to create a weld puddle and at least one resistive filler wire which is heated to at or near its melting temperature and deposited into the weld puddle. | 02-21-2013 |
20130087543 | APPARATUS AND METHOD FOR POST WELD LASER RELEASE OF GAS BUILD UP IN A GMAW WELD - A system and method is provided where a work piece is welded at high speeds with minimal porosity and spatter. In embodiments, the work piece is welded with an arc welding process to create a weld puddle and the weld puddle is irradiated by a energy beam downstream of the arc welding operation, such that high welding speeds are attained. The high energy heat source is positioned downstream of the welding operation to input energy into the weld puddle to change its shape or characteristics to optimize bead shape and/or bead quality. | 04-11-2013 |
20130146566 | METHOD AND SYSTEM TO LASER HOT WIRE LAYER A PIPE END - A system and method to clad a surface of a pipe using a high intensity energy source and a hot wire consumable, where the hot wire consumable is heated to a temperature sufficient to melt the consumable in a molten puddle while preventing the creation of an arc between the consumable and the puddle. | 06-13-2013 |
20130213942 | METHOD AND SYSTEM FOR LASER WELDING AND CLADDING WITH MULTIPLE CONSUMABLES - A system and method to provide a welding or cladding operation is provided which using multiple consumables in a single operation, where the overall heat input is reduced. Each of the consumables can be deposited into a single molten puddle, where the total energy input to the puddle from trailing consumables is less than that of a leading consumable. Further embodiments can use more than one molten puddle, but the energy input by the leading consumable is still higher than that of trailing consumables. | 08-22-2013 |
20130327749 | METHOD AND SYSTEM TO START AND USE COMBINATION FILLER WIRE FEED AND HIGH INTENSITY ENERGY SOURCE FOR WELDING ALUMINUM TO STEEL - A method and system to weld or join workpieces of different materials employing a high intensity energy source to create a weld puddle and at least one resistive filler wire which is heated to at or near its melting temperature and deposited into the weld puddle. | 12-12-2013 |
20140042144 | FILLER WIRE FOR A LASER HOT WIRE SYSTEM - An extruded filler wire for use in a hot wire process. The filler wire includes a first core component; and a second coating component coupled to at least a portion of the first core component, the second coating component having a different composition from the first component, where the wire has a cross-sectional area with the first and second components asymmetrically arranged about a center of the wire. | 02-13-2014 |
20140263191 | SYSTEM AND METHOD OF WELDING STAINLESS STEEL TO COPPER - A system and method of welding stainless steel to copper is provided. The method includes providing a first workpiece composed of stainless steel and providing a second workpiece composed of copper. The method also includes heating by using a laser a root area of a joint created by the workpieces. The heating by the laser creates a keyhole in at least one of the first workpiece and the second workpiece. The method also includes providing a consumable electrode that is composed of nickel to the joint and creating an arc between the consumable electrode and the joint using a welding current. The preheating of the arc using the keyhole eliminates the need to preheat the second workpiece. | 09-18-2014 |
20140263193 | CONSUMABLE AND METHOD AND SYSTEM TO UTILIZE CONSUMABLE IN A HOT-WIRE SYSTEM - A method and system to weld or overlay workpieces employing a high intensity energy source to create a puddle and at least one resistive filler wire which is heated to at or near its melting temperature and deposited into the weld puddle. The filler wire comprises a core and an electrically conductive outer matrix having particles to be deposited into the puddle. | 09-18-2014 |