Matches 151 - 200 out of 404 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
4825037 Apparatus for contactless determination of a deviation from the desired interval by a pulsed spark discharge  
The deviation of an interval from a desired value is measured using the ratio of spark discharge along one of two discharge paths to the total discharge during a measurement cycle. The two...
4812614 Machine vision seam tracking method and apparatus for welding robots  
The invention relates to a machine vision seam tracking method and apparatus for welding robots, particularly to an apparatus which can automatically detect the deviation between an actual welding...
4806732 Multi-power laser seam tracking system  
Scanning devices are commonly utilized in conjunction with automatically guided welding systems in order to interpret the location and other characteristics associated with a groove to be welded....
4795882 Torch positioning apparatus  
A torch positioning apparatus controls a torch as it moves downward at a relatively rapid rate toward a work piece until it trips a proximity switch, causing the rate of travel of the torch to be...
4794223 Seam tracking device for an industrial robot  
A weld seam tracker for a welding robot has an optical sensor (4) for sensing the position of the seam and controlling the movement of a welding torch (10). The sensor (4) includes a light source,...
4788410 Process for controlling and/or guiding the weld seam during arc welding and a paint therefor  
A process for the control and/or guidance of welds in electric arc welding wherein a metal or a metal alloy is applied to the edge or surface to be welded of at least one workpiece, with the metal...
4784491 System to protect optics against dirty environments  
An optical sensor head has deep, pitched grooves or screw threads in the walls of the gas channel, and a gas flow swirled along the grooves to protect optics against atmospheric debris and moving...
4750663 Apparatus and method for fabricating plate web girders  
An apparatus and method for fabricating plate web girders of the ind comprising two flanges spaced apart by a web. The apparatus comprises a plurality of welding devices each mounted on respective...
4737614 Optical image control for automated arc welding system vision system  
An improved optical portion of a vision system for controlling an automated arc welding system. Collimated, image bearing light is rotated through an angle to maintain the weld scene at the...
4733051 Method and apparatus for controlling root pass weld penetration in open butt joints  
The invention is concerned with controlling weldpool penetration during root pass welding in an open butt joint defined in a workpiece to be welded by a welding torch with a welding wire being...
4728974 Apparatus for supporting an imaging device  
According to the invention, the fiber scope is inserted into the highly rigid tube and this tube is clamped as a rigid member by the robot wrist (or fiber scope supporting device) and camera...
4724301 Apparatus utilizing light stripe image for detecting portion to be welded prior to welding thereof  
The welding position detecting apparatus incorporates a detecting portion including light emitter for emitting a light stripe onto a beveling surface of a work to be welded and a camera for...
4704513 Groove tracing control method for high-speed rotating arc fillet welding  
A groove tracing control method for a fillet welding effected by rotating a welding torch and thereby rotating an arc at a high speed. The groove tracing control of the welding torch is effected in...
4698484 Welding monitoring system  
A welding monitoring system is constructed having an arc welder (16) mounted in an enclosure (12) containing a pair of periscopically positioned mirrors (56, 60). A welding electrode (64) extends...
4683493 Compact optical apparatus for tracking a path of movement of a tool along a line of travel on a workpiece  
A compact optical apparatus for tracking a path of movement of a tool along a line of travel on a workpiece, includes a light source for providing a collimated light beam, wherein the light source...
4682006 Self-clamping arc light reflector for welding torch  
An electric welding torch (10) with an internal viewing system is provided an annular arc light reflector (34) to reflect light from the arc (30) back onto the workpiece. The reflector (34) has a...
4675502 Real time tracking control for taught path robots  
A real time steering capability is provided to permit robot motion to be modified continuously in three dimensions as the robot is moving along a taught path. An arc welding robot or other taught...
4670641 Machine robot, particularly for welding  
A welding robot having a robot arm which is servo-controlled in a multiplicity of degrees of freedom. At least one servo-system for one of the degrees of freedom is capable of disengaging a part of...
4670642 Method and an apparatus for automatically setting the weaving reversing position  
A method and an apparatus for automatically setting the weaving reversing position in automatic arc welding wherein the welding electrode is subjected to weaving within the extent of the welding...
4667082 Welding position detecting apparatus  
A welding position detecting apparatus provided on a welding torch which forms an arc between a welding wire and a groove face on a work piece. The apparatus has an optical system for irradiating...
4658112 Welding control by power integration  
This invention relates to automatic welding of confronting edges of two bodies between which is a groove to be filled with a material and, more particularly, to conditioning, processing and use of...
4656331 Infrared sensor for the control of plasma-jet spray coating and electric are heating processes  
A multi-purpose optical sensor operates in the medium-to-far infrared wavelength spectral region to sense the surface temperature of plasma-jet spray coating materials. This plasma itself emits...
4652133 Vision system with environmental control  
A vision sensor for tracking includes a light stripe vision sensor for use in harsh environments. This light stripe generator is light source independent and produces a light stripe without the use...
4650958 Monitoring sensor for the production of welds  
The reception signals of sensor microphones employed in arc welding which pick up ultrasound radiation emanating from the welding arc 5 are checked for their cross-correlation with one another and...
4644131 Electrode support for gas arc welding torch having coaxial vision  
An improved electrode mounting structure for a gas tungsten arc welding torch having a coaxial imaging system. The electrode mounting structure includes a support having a central hub and a...
4642752 Programmable automatic manipulator system  
A programmable automatic manipulator system, implementable in an arc welding application, involves a manipulator member which may be pre-programmed to move about a plurality of axes of movement. A...
4636612 Optical tracking device  
The optical tracker of this invention is for tracking a boundary on an illuminated surface where the reflectivity of the surface changes at the boundary. In the preferred embodiment the optical...
4636611 Quiescent circle and arc generator  
The optical properties of circular prisms, which are also known as axicons, are utilized in optical systems that generate one or more quiescent, steady in time, sharply focused circular and...
4633060 Welding torch with arc light reflector  
A conical shaped mirror (34) fits on the end of a welding torch (10) to reflect light from the arc (30) back onto the workpiece. The torch (10) has an internal coaxial viewing system consisting of...
4633059 Method and apparatus for welding line tracer control  
A relative weaving motion of a welding torch relative to a weld line is given to a welding torch, by way of composing a weld main path vector for a relative movement of the weld torch along the...
4623778 Optical tracker control system  
The optical tracker of this invention tracks a boundary on the surface where the light reflectivity of the surface changes at the boundary. The optical tracker includes a sensing means for sensing...
4621185 Adaptive welding apparatus having fill control correction for curvilinear weld grooves  
An adaptive welding apparatus has an optical sensing system for detecting the cross sectional configuration of a weld groove by linearly scanning a monochromatic light source across the groove...
4616121 Automatic welding with imaging of workpiece surfaces and of the junction between the surfaces  
Apparatus to control the automatic placing of material along a junction between surfaces with reference to the form and position of the junction including a tool controllably movable to deposit...
4614868 Fiber optic seam tracking apparatus  
An arc welding head suitable for robotic welding has a fiber optic bundle and remotely located laser light source which is imaged onto an end of the fiber optic bundle and optically linked to...
4611111 Method to determine weld puddle area and width from vision measurements  
A computationally efficient technique to determine weld puddle area and maximum width in real time from noisy measurements of the puddle trailing edge. Using the torch electrode as the origin,...
4608481 Method of automatically controlling height of a weld bead  
A welding control method in which a deviation of a groove line or variation of a groove width is detected by utilizing the characteristics of a welding arc itself without using a separate sensor...
4599506 Visual observation of welding operation  
A visual observation system for monitoring a welding operation being performed in a welding region by a welding torch, the torch having a longitudinal axis and including a housing. The system is...
4596919 Three-dimensional imaging device  
An imaging sensing system (10) has a laser light source (12). Steering mirrors (16), (18) and (22) are used with scanning mirror (20) to produce scanning of beam (24) in a line (26) across a...
4594497 Image processing welding control method  
An image processing welding control method comprises detection of isothermal pattern of a weld zone in the welding state through photographing the weld zone by an infrared camera; calculation of...
4593173 Electronic apparatus for automatic control of the placing of material at a junction between surfaces  
Apparatus to control the automatic placing of material along a junction between surfaces with reference to the form and position of the junction including means controllably movable to deposit...
4591689 Adaptive welding guidance apparatus  
An apparatus for guiding a welding torch along a weld groove has a visual sensing system for detecting the weld groove cross sectional configuration and relative position of the edges of weld...
4590356 Robot navigation method for joint following  
The positioning system of an industrial robot having a vision sensor and structured light pattern projector, such as a welding robot, is centered and vectored along a joint to be tracked....
4588873 Ultrasonic control of welding  
A method of automatically controlling the production of a weld bead including examining with reflected ultrasound from one surface of a piece of material the position of a weld pool on the material...
4588872 Self-guided welding machine  
An automated welding apparatus (20) supports a work head (30) for motion in at least two dimensions along a seam (24) in a work piece (21). A tactile sensing probe (33) is mounted to the work head...
4581517 Apparatus and method used in programming a computer for moving a tool through a three dimensional space  
A teaching device is provided for use in teaching a computer a program for moving a tool through a three dimensional space and along a predetermined path having a socket at one end for attachment...
4578561 Method of enhancing weld pool boundary definition  
The surface of the molten weld pool and surrounding workpiece area are floodlighted during an arc welding operation by a narrowband light source such as a laser in order to highlight the pool...
4571479 Welding machine with automatic seam tracking  
An automatic tracking welding machine includes a pair of rotatably mounted sensors 6a, 6b disposed in advance of a welding torch 3 and coaxial therewith for detecting magnetic leakage flux across a...
4570049 Band welding installation for joining plates, sheet bars, and bands  
A band welding installation includes a welding machine having a control device and a welding torch for joining ends of pieces in a band processing line transverse to the direction of the band run....
4568816 Method and apparatus for manipulator welding apparatus with improved weld path definition  
Control apparatus for manipulator welding apparatus is provided that includes a vision correction system for workpiece sensing. During an initial teach mode, the manipulator is taught the desired...
4567348 Automated weld torch guidance control system  
A device for automatically controlling the movement of a welding torch (10) while welding an elongated joint (18). A charge injection television camera (30) is carried on a movable support (20) and...
Matches 151 - 200 out of 404 < 1 2 3 4 5 6 7 8 9 >