摘要:
An example system includes: a hand-held welding tool that is manually placed in a welding position, wherein the hand-held welding tool is configured to be activated to cause a contact tip or a welding heat source to automatically move from a first position and to second position during a welding operation, and wherein a welding arc is automatically and repeatedly turned off and on while the contact tip or the welding heat source moves from the first position to the second position to make a plurality of welds between the first position and the second position, wherein, as a travel speed decreases, a time period between each arc on time increases to make equally spaced welds.
摘要:
Present embodiments include an additive manufacturing tool configured to receive a metallic anchoring material and to supply a plurality of droplets to a part, wherein each droplet of the plurality of droplets comprises the metallic anchoring material and a mechanical oscillation system configured to mechanically oscillate a structural component of the additive manufacturing tool toward and away from the part, wherein the mechanical oscillation system comprises a motor, a cam coupled to the motor, and a piston coupled to the cam, wherein the piston is fixedly attached to the structural component.
摘要:
Hybrid manual and automated welding systems and methods are described. A hand-held welding tool is manually positioned to engage a workpiece. The hand-held welding tool includes a motion device that is configured to automatically move a contact tip or a welding heat source during a welding operation after a manual triggering. A welding arc is automatically and repeatedly turned off and on to make a string of overlapping and equally spaced spot welds while the contact tip or the welding heat source moves from the first position to the second position.
摘要:
In certain embodiments, a welding wire delivery system includes a non-rotational actuator configured to engage, disengage, and move welding wire. In certain embodiments, the welding wire delivery system includes a piezoelectric walk motor, a piezoelectric worm drive, a piezoelectric wave drive, a shape memory alloy, a solenoid piston, a linear actuator or motor, or a voice coil actuator.
摘要:
Sensor assisted head mounted displays for welding are disclosed. Disclosed example head mounted devices include an optical sensor, an augmented reality controller, a graphics processing unit, and a semi-transparent display. The optical sensor collects an image of a weld environment. The augmented reality controller determines a simulated object to be presented in a field of view, a position in the field of view, and a perspective of the simulated object in the field of view. The graphics processing unit renders the simulated object based on the perspective to represent the simulated object being present in the field of view and in the weld environment. The display presents the rendered simulated object within the field of view based on the position. At least a portion of the weld environment is observable through the display and the lens when the display is presenting the rendered simulated object.
摘要:
Systems, methods, and apparatus to preheat welding wire for low hydrogen welding are disclosed. An example apparatus to reduce hydrogen associated with a consumable welding electrode includes: a welding-type power source configured to provide welding-type current to a welding-type circuit, the welding-type circuit comprising a welding-type electrode and a first contact tip of a welding torch; an electrode preheating circuit configured to provide preheating current through a first portion of the welding-type electrode between a wire feeder supplying the welding-type electrode and at least one of the first contact tip or a second contact tip of the welding torch.
摘要:
A contact tip assembly with a preheating tip comprises a welding-type power source configured to provide welding-type current to a welding-type circuit, the welding-type circuit comprising a welding-type electrode and a first contact tip of a welding torch. The assembly also includes an electrode preheating circuit configured to provide preheating current through a portion of the welding-type electrode via a second contact tip of the welding torch, and a voltage sense circuit to monitor a voltage drop across the two contact tips, and the electrode preheating circuit adjusts at least one of the first current or the preheating current based on the voltage drop.
摘要:
Methods and apparatus to communicate via a weld cable are disclosed. An example welding-type power supply includes a power converter, a receiver circuit, and a controller. The power converter converts input power to welding-type power based on a weld voltage setpoint and to output the welding-type power via a weld circuit. The receiver circuit receives a communication via the weld circuit while current is flowing through the weld circuit or after the current has stopped flowing through the weld circuit. The communication includes weld voltage feedback information measured at a device remote from the power supply while the current is flowing through the weld circuit. The controller controls the welding-type power output by the power converter according to a voltage feedback loop using the weld voltage feedback information to regulate a weld voltage at the remote device to the weld voltage setpoint.
摘要:
A consumable filler metal delivery system includes a reciprocating wire feeding gear assembly configured to move a wire forward and backward with a net forward motion and a motor configured to drive the reciprocating wire feeding gear assembly, wherein the motor is configured to rotate only in one direction during operation of the consumable filler metal delivery system.
摘要:
Methods and apparatus to provide visual information associated with welding operations are disclosed. An weld training system includes a display, a camera, a communications device, and a welding helmet. The communications device communicates with welding equipment. The welding helmet has a view port. The communications device is configured to hold the camera, the communications device, and the display such that, when the welding helmet is worn by a wearer, the display is viewable by the wearer, the camera has a view through the view port such that the display displays to the wearer images taken by the camera through the view port and displays a simulated object generated based on information received from the welding equipment via the communications device.