System and method for hot wire tig positioned heat control

Abstract

The invention described herein generally pertains to a system and method related to energizing a welding wire based on a location of an electrode at an edge on a workpiece. An edge detector can be configured to identify an edge on the workpiece during a welding operation and a controller can be configured to mange a temperature of a puddle formed by the electrode by adjusting one or more welding parameters. The welding parameters can be, but are not limited to, an energizing of the welding wire, a wire feed speed, a temperature of a high intensity heat source (e.g., arc, a sub arc, a tungsten inert gas (TIG) arc, a metal inert gas (MIG) arc, a laser, a plasma arc, a metal core, or a flux core), movement speed, among others.

What is claimed is: 
     
         1 . A welder system, comprising:
 a welding torch that includes an electrode;   a power source that creates a high intensity heat source between the electrode and a workpiece to create a puddle;   a wire feeder that is connected to a supply of wire to deliver a wire to the puddle formed by the electrode;   an edge detector that is configured to identify an edge on the workpiece;   a hot wire power source that energizes the wire; and   a controller that controls the hot wire power source based on the edge identified; and   the wire feeder decreases a wire feed speed of the wire based on the edge identified to increase a temperature of the puddle.   
     
     
         2 . The welder system of  claim 1 , wherein the high intensity heat source is at least one of an arc, a sub arc, a tungsten inert gas (TIG) arc, a metal inert gas (MIG) arc, a laser, a plasma arc, a metal core, or a flux core. 
     
     
         3 . The welder system of  claim 1 , wherein the controller activates the hot wire power source at the edge to increase a temperature of the wire which increase the temperature of the puddle. 
     
     
         4 . The welder system of  claim 1 , wherein the wire feeder increases the wire feed speed of the wire based on the edge identified to decrease the temperature of the puddle 
     
     
         5 . The welder system of  claim 1 , further comprising:
 the edge detector identifies a non-edge on the workpiece; and   the controller de-activates the hot wire power source at the non-edge to decrease a temperature of the wire to decrease the temperature of the puddle.   
     
     
         6 . The welder system of  claim 1 , further comprising:
 the edge detector identifies a non-edge on the workpiece; and   the wire feeder increases the wire feed speed of the wire based on the non-edge identified to decrease the temperature of the puddle.   
     
     
         7 . The welder system of  claim 1 , wherein the power source increases a temperature of the high intensity heat source based on the edge identified. 
     
     
         8 . The welder system of  claim 1 , further comprising:
 the edge detector identifies a non-edge on the workpiece; and   the power source decreases a temperature of the high intensity heat source based on the non-edge identified.   
     
     
         9 . The welder system of  claim 1 , wherein the wire feeder delivers the wire at the wire feed speed that is in proportion to an amount of the edge at which the welding torch is located. 
     
     
         10 . The welder system of  claim 1 , further comprising a position device that identifies a location of the welding torch in relation to the workpiece. 
     
     
         11 . The welder system of  claim 10 , wherein the location of the welding torch in relation to the workpiece is adjusted by movement from at least one of the welding torch, the workpiece, or a weld seamer coupled to the workpiece. 
     
     
         12 . The welder system of  claim 10 , wherein welding torch provides a weave welding movement with the edge detector signaling the weave welding movement to change directions. 
     
     
         13 . The welder system of  claim 12 , wherein the wire feeder delivers the wire at the wire feed speed that is in proportion to the location of the welding torch in the weave welding movement. 
     
     
         14 . The welder system of  claim 1 , wherein the edge includes at least one or more sidewalls located on the workpiece at which a welding material is deposited. 
     
     
         15 . A method of welding, comprising:
 creating a high intensity heat source between an electrode and a workpiece;   delivering a wire to a puddle formed by the electrode;   identifying an edge in a groove of the workpiece;   adjusting a temperature of the puddle by at least one of the following:
 energizing the wire with a current based on the edge identified to increase a temperature of the puddle; 
 decreasing a wire feed speed of the wire based on the edge identified to increase a temperature of the puddle. 
   
     
     
         16 . The method of  claim 15 , wherein the high intensity heat source is at least one of an arc, a tungsten inert gas (TIG) arc, a metal inert gas (MIG) arc, a laser, a plasma arc, a metal core, or a flux core. 
     
     
         17 . The method of  claim 15 , further comprising employing a weaving welding motion to deposit material into the groove on the workpiece. 
     
     
         18 . The method of  claim 15 , further comprising at least one of the following:
 decreasing the temperature of the puddle by de-energizing the wire and injecting the wire to the puddle;   decreasing the temperature of the puddle by de-energizing the wire and increasing the wire feed speed of the wire that is delivered to the puddle.   
     
     
         19 . The method of  claim 15 , further comprising controlling at least one of an increase or a decrease of the temperature of the puddle based adjusting a temperature of the high intensity heat source. 
     
     
         20 . A welder system, comprising:
 a welding torch that includes an electrode;   a power source that creates a high intensity heat source between the electrode and a workpiece to create a puddle;   means for supplying of consumable wire to provide a wire to puddle formed by the electrode;   means for identifying an edge on the workpiece; and   means for heating the wire based on the edge identified to adjust a temperature of the puddle.