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  • Weld seams detection and recognition for robotic arc ...

    1994-5-27 · Abstract: In robotic arc welding, sensors must be used to detect the position and orientation of a weld seam and determine its shape in order to carry out the weld parameter control. Useful measurements are the seam width and the volume of the seam that must be filled. With these measurements it is possible to set the welding parameters for each condition.

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  • Automatic Seam Detection and Path Planning in

    Abstract. To make robotic welding systems more flexible, vision sensors are introduced as they provide large amount of information about the welding components. In this paper a method is introduced to automatically locate the weld seam between two objects in butt welding applications. The proposed method provides flexibility for robotic welding ...

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  • Arc welding robots | KUKA AG

    2019-4-1 · Roberts’s operator has been found suitable for weld seam edge detection typically for Gas tungsten arc welding for aluminium alloy work-pieces , . Dinham and Fang proposed an adaptive line growing algorithm for detecting the weld joint for fillet type of joint of any shape. This algorithm is based on the assumption that compared to work-pieces on either side of the joint, the weld seam is darker.

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  • Advances in weld seam tracking techniques for

    2019-11-1 · The pixel position information is extracted using the weld seam detection and tracking algorithm to reconstruct the 3D spatial information by calibration-related parameters, calculate the deviation between the actual trajectory of the weld and the expected trajectory, and transmit it to the weld seam-tracking controller to adjust the torch travel path at the end of the robot in real time.

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  • Automatic seam detection and tracking system for

    2020-10-30 · Automatic identification of weld seam types by welding robot is a key link in intelligent welding as some adjustment scheme (e.g., welding trajectory planning, initial welding position, welding parameters) vary with the weld seam types. However, the variable welding environment and various weld seam profile omnifarious affect the robustness of weld seam types identification. To overcome the ...

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  • Automatic Identification of Multi-Type Weld Seam

    2021-3-11 · In arc welding, the seam path detection and control has an important and significant role in the quality of the welding output. The welding system mainly comprises of 3 parts: a welding robot, a welding equipment subsystem, and an image acquisition system . There are two difficult issues in using the vision sensors in the real-time seam tracking.

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  • Precise seam tracking in robotic welding by an

    2019-8-3 · To avoid the welding light noise, this kind of active vision sensors for weld seam detection is recommended to be used in the condition of preview distance. As shown in Fig. 1, the preview distance is the distance between the welding point and the camera’s field of …

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  • A robust weld seam detection method based on

    2021-4-1 · He et al. (2016) [68,69] concentrated on the detection of weld seam profiles and laser stripes for the positioning of welding torches and seam tracking in different layers and passes. They proposed a model of visual attention guidance, which could simulate …

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  • Visual sensing technologies in robotic welding: Recent ...

    2020-7-13 · detection is used to extract weld seam. Identification of weld joints cam achieve accuracy within ±1 mm in three-dimensional space based on homography matching technique. Experiments in a working space verifies that this method can be implemented in industry [4]. Passive-vision methods are widely deployed in welding application, Xu et al. developed a welding seam tracking system using

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  • Arc welding robots | KUKA AG

    2020-1-1 · F. H Shi., L. Zhou, T. Lin, S. B. Chen, Efficient Weld Seam Detection for Robotic Welding based on Local Image Processing, Robotic Welding. Intelligence and Automation: Lecture Notes in Control and Information Sciences. 362 (2007) 289–294

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  • A study on seam tracking in robotic GMA welding

    All the products are MAG welded. “A second important requirement we had was a quick and effective weld seam detection routine. As a result of the large number of variations and differences in tolerances, there was a large risk of the robot welding next to the seam.

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  • Swedish supplier wishes to use a welding robot to

    2014-7-30 · This paper presents an algorithm for real time weld seam detection and feature extraction of butt weld, which is based on laser vision sensor installed on the end hand of welding robot. The algorithm preprocesses the weld seam images captured by laser vision sensor as first step and then detects laser stripe edges thus obtains the center of laser stripe. Then a two-step method is used to ...

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  • Weld seam detection and feature extraction based on

    The equipment is suitable for welding a variety of pipe, adapt to a variety of weld seam (butt weld seam, angle weld seam, etc.), the maximum length of pipe: 2 meters; pipe diameter: DN80-DN400; welding with elbow pipe maximum Caliber ≤ DN300, radius of gyration ≤ 600.

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  • Intelligent welding machine,pipe welding, tube

    Nowadays autonomous welding robots are gaining importance. Weld seam detection is a key technology in robotic welding which is usually performed using a visual system. In most existing vision-based approaches, traditional image processings are used to obtain weld seams. Generally, these approaches are sensitive to their surrounding environment, especially illumination.

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  • Weld seam detection based on visual saliency for ...

    Home Browse by Title Proceedings AICI'11 Experiments on automatic seam detection for a MIG welding robot. Article . Experiments on automatic seam detection for a MIG welding robot. Share on. Authors: Mitchell Dinham. School of Engineering, University of Western Sydney, Australia.

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  • Experiments on automatic seam detection for a MIG

    2020-7-20 · lift start and lift end, automatic wire distance control, welding data monitoring, collision detection etc. WGIII = 350 A WGHIII = 450 A THE ROBOT WELDING TECHNOLOGY CONVENTIONAL COMMUNICATION OVER INTERFACES INTEGRATED ROBOT WELDING SYSTEM 03 Fusion of robots, robot controller, power source and servo wire feed together in one unit.

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  • Human Machine Interface in Weld Seam Detection

    2020-7-13 · detecting system. In [34], ShanBen Chen establishes a welding robot system with single camera fixed on the weld torch end-effector for the robot to identify the dimensional position of typical weld seam by one-item and two-position method. It can be used to acquire weld seam dimensional position information in welding robot system. 50 C. Chen ...

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  • Arc welding robots | KUKA AG

    2009-5-1 · Purpose – The weld seam detection is required for a welding robot to preplan the weld seam track before the actual welding. The purpose of this paper is to investigate this subject in natural lighting conditions. Design/methodology/approach – This paper presents an efficient algorithm of weld seam detection for butt joint welding from a single image. The basic idea of the approach is to ...

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  • Arc welding robots | KUKA AG

    During welding, the type of material, the welding technique used and the ambient conditions determine the result. It is therefore important to check the welded connections afterwards. For this purpose, welding systems are equipped with the innovative weCat3D 2D/3D profile sensors for checking welding seams.

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  • Efficient weld seam detection for robotic welding

    2021-4-28 · tracking would be divided into three partitions. First, starting and ending points detection, then, weld edge detection, followed by joint width measurement, and, lastly, welding path position determination with respect to welding robot co-ordinate frame. A novel seam tracking technique with a four-step method is introduced.

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  • Detect and Check Welding Seams | wenglor

    Weld seam tracking is the key technology of industrial robot. It satisfies accuracy and real-time demand. This paper presents a robust recognition algorithm for weld seam images based on mathematical morphology. This algorithm used the morphological filtering for image enhancement at first, and then applied Otsu threshold segmentation in local.

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  • A Novel Seam Tracking Technique with a Four-Step

    TeachMode. Highly efficiant robot programming. No more wire deforming. TeachMode helps the welder program weld seam positions on the robot, making the programming process more efficient. The reversing wire movement prevents the wire from bending in the event of unwanted contact with the component. The set stick out always remains the same.

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  • A New Algorithm of Weld Seam Detection Based on ...

    2009-10-5 · some parameter in the welding process which is a very complex procedure or compensate for measurements variations in the work piece. The requirements in the weld seams are only increasing, so this is a problem that brings more research into vision sensors, which can detect errors in the weld seam during the welding, so the robot path and welding

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  • Assistance systems for robot welding

    2017-8-27 · adaptive vision detection method of weld pool, attained vivid weld pool images of GMA pulse welding and GMA short-circuit welding. LI, et al[28], gathered the welding seam image for pipe-line back welding of metal active gas(MAG), and extracted the weld pool edge using the Chan-Vese model. WU, et al[29], detected the weld pool

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  • Machine vision for finding a joint to guide a welding robot

    Highly efficiant robot programming. No more wire deforming. TeachMode helps the welder program weld seam positions on the robot, making the programming process more efficient. The reversing wire movement prevents the wire from bending in the event of unwanted contact with the component. The set stick out always remains the same.

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  • A Robust Detector for Automated Welding Seam

    2021-2-4 · Accurate locating of the weld seam under strong noise is the biggest challenge for automated welding. In this paper, we construct a robust seam detector on the framework of deep learning object detection algorithm. The representative object algorithm, a single shot multibox detector (SSD), is studied to establish the seam detector framework.

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  • Weld seam profile detection and feature point

    Automatic multi-pass route planning is one of key technologies for thick plate in robotic metal active gas (MAG) arc welding. In this research, a scheme for the extracting feature points of the wel...

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  • Study on arc welding robot weld seam touch sensing ...

    2015-10-31 · Study on arc welding robot weld seam touch sensing location method for structural parts of hull Abstract: In mechanical manufacturing field, there are deviations in the production and assembly of the workpiece, especially the large sized structure components. Its low processing and assembly precision severely restricts the robot technology ...

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  • Automated Inspection - Inline Weld Inspection -

    Bluewrist 3D weld inspection solution can help you achieve 100% inline inspection of all critical weld features to prevent downstream defects. Our solution is field proven and is currently in use at major OEMs performing inline inspection of roof seam welding and electric vehicle battery tray weld inspections.

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  • A robust method for vision-based seam tracking in

    1995-8-29 · Abstract: This paper presents a robotic seam tracking system which is aimed at achieving robustness against some welding noises such as arc glares, welding spatters, fumes etc. In particularly, a syntactic analysis is used to improve the extraction reliability of the joint features. The joint features thus obtained are used to extract the 3-dimensional information of the weld joint and then ...

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  • Weld Seam Edge Extraction Algorithm Based on

    We present a novel algorithm based on Beamlet Transform for extracting seam edges from noisy welding images. Taking into account of some special characteristics of welding image processing, we introduce an orientation-thresholding step as well as a two-scan method to the standard beamlet-based line detection algorithm. Experiments are conducted to extract edge features from noisy welding ...

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  • Lorch's Cobot Welding Package introduces quick and ...

    This paper studies the dynamic modeling of weld seam by using the laser vision sensor in virtual environment (VE). By introducing virtual guide (VG), lowering operative difficulty and showing high security can be obtained. Template matching is used to recognize remote weld seam, and the uniform contour of V is defined to represent the features of remote seam.

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  • Peng Zhou, Rui Peng, Maggie Xu, Victor Wu and David ...

    2020-11-25 · a shape-matching algorithm for an online laser-based seam detection. The algorithm enabled autonomous detection for different groove types and localizes the boundary of weld seam. [9] measured the cross-sectional areas of 2D profiles and finds joint features and volume of the workpiece. While above mentioned studies can effectively locate the

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  • Automatic Abicor Binzel - Scansonic Welding Seam

    This weld seam detection and seam tracking functions enable the robot to constantly and automatically adapt the torch guidance to actual workpiece conditions. The signal provided can be used for vertical and horizontal adjustment of the torch guidance.

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  • The S-RoboMIG XT welding units: High-end

    2020-7-13 · robot can map the work piece and workspace environment and locate the desired relative to weld torch. Some early works investigate passive-vision based localization on weld joint and welding initial position. Zhu and Lin used edge detection and template matching to locate weld seam and its intersection with workpiece edge. To accelerate process

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  • Point Cloud Based Three-Dimensional Reconstruction

    In an arc welding robot system with vision sensor, the extraction precision of the weld seam position has an important effect on welding quality. However, due to disturbances such as camera resolution, scanning posture, reflections, etc., it is a great challenge to identify weld seam accurately. In this paper, weld seam is considered as a special curve which consists of feature points, based ...

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  • Feature point extraction based on contour

    About 25% of these are other welding equipment, 1% are welding torches, and 1% are other measuring & gauging tools. A wide variety of robot weld options are available to you, There are 18,867 robot weld suppliers, mainly located in Asia. The top supplying country or region is China, which supply 100% of robot weld respectively.

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  • China Robot Weld, China Robot Weld

    2020-10-29 · Development of Combined Seam Tracking and Process Monitoring for Laser Welding C. Allen1,*, ... allow for the detection of welding process defects, including contamination of the cover slide, joint gaps, incorrect settings of beam ... automatically detect weld defects, welding experiments were carried out on wedge-shaped coupons, of non ...

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  • Development of Combined Seam Tracking and Process ...

    2020-7-13 · detecting system. In [34], ShanBen Chen establishes a welding robot system with single camera fixed on the weld torch end-effector for the robot to identify the dimensional position of typical weld seam by one-item and two-position method. It can be used to acquire weld seam dimensional position information in welding robot system. 50 C. Chen ...

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