焊接机器人翻转工作台的设计与分析

针对焊接精度要求不高的焊接机器人应用场合,设计出一种成本较低、位置控制精度较好的翻转式焊接工作台,以满足中低端产品的焊接工艺要求。在该翻转式焊接工作台中,采用气动马达作动力输出,蜗轮蜗杆大传动比传动系统作高精度分度装置,光电编码器作位置信息获取装置,并通过闭环控制实现高精度翻转运动。仿真结果表明,该焊接工作台最高转速达到14r/min,能够满足大多数产品的焊接需求。设计的焊接机器人翻转工作台为中低端焊接产品提供了一种经济、有效的焊接机器人应用方案,对降低焊接机器人的应用成本、提高焊接生产效率具有重要意义。     

一种弧焊机器人实时激光扫描视觉系统

研制了一种小型高精度弧焊机器人实时激光扫描视觉系统，对其各项性能进行了测试，并进行了抗电弧光干扰试验，结果表明，此系统精度高，抗干扰能力强，检测范围宽，能广泛地应秀于机器人和自动化焊接中。     

焊接机器人系统通信的实现

针对自行开发的弧焊机器人系统 ,包括焊接机械臂、变位机、专用电源和传感系统 ,进行了通信系统的设计并介绍了软件和硬件的实现     

建筑模板机器人自动焊接生产线的研制

介绍了建筑模板机器人自动焊接生产线主要部分和工作流程,纵肋龙门焊接工位和机器人工位是该线的主要部分,完成主要的焊接工作。该线设计成熟而稳定,系统运行平稳,提高了工作效率减少了劳动强度。     

新型弧焊二次变流器焊接电源的测试研究

本文主要针对某一种新型弧焊二次变流器,对其进行焊接电流稳定性、焊接成型、焊接接头等进行研究。此类设备尚未推广,因此,对于产品在电力行业的实用性及适用性尚需做出评估。我中心拟通过一系列设定的测试试验对上述产品所具有的各项功能进行验证,得到各项基础数据,对数据进行分析,并对性能作出评估。     

机器人焊接智能技术研究

现今机器人自动焊越来越多地受到相关企业的重视,已逐渐成为焊接行业的发展方向,受到企业的青睐。应用焊接机器人技术是焊接领域的革命性进步,它突破了焊接刚性自动化传统方式,开拓了一种柔性自动化新方式。本文主要介绍了机器人焊接智能化技术的总体构成,并对其关键技术—焊接机器人传感技术做了重点研究。     

机器人焊接工作站在汽车行业中的应用

在"中国制造2025"的时代背景下,中国制造向自动化、智能化的方向迈进,机器人焊接装备作为自动化生产的主力军,随着中国汽车工业的快速发展,机器人焊接工作站的需求大幅度增长,提高汽车的产量是汽车生产企业的首要任务,国产机器人焊接工作站在汽车焊装市场中的占有率比较低,影响了我国汽车制造业水平及机器人焊接工作站的设计水平的提升。     

焊接机器人技术现状与发展趋势

本文主要从国内外工业机器人的发展、我国焊接机器人应用现状、焊接机器人系统研究、焊接机器人的发展及趋势等方面进行分析。     

集箱管座焊接机器人工作站的研究

介绍了集箱管座焊接机器人工作站的总体结构，讨论了工作站中测量机器人的技术特点，并对控制系统的组成作了简单介绍。     

基于运动控制卡的平面弧焊机器人控制系统的设计

介绍了一种平面型弧焊机器人的运动控制系统硬件、软件结构。控制系统由IPC、ADT850运动控制卡组成;操作系统采用Windows系统,采用Visual Basic6．0开发软件。实际运行表明,该系统具有控制功能强、控制精度高、操作简便等优点,机器人运行平稳,焊接质量满足生产工艺的要求。     

A General Algorithm of Rotating/tilting Positioner InverseKinematics for Robotic Arc Welding Off-line Programming

Off-line programming provides an essential link between CAD and CAM, whose development should result in greater use of robotic arc welding. An arc welding system with a robot and a rotating/tilting positioner is a major application area, where manual programming is a very tedious job. Off-line programming is a constructive way to solve the problem. The inverse kinematics algorithm of robot and positioner is the foundation of the off-line programming system. Although previously there were some researchers who studied the positioner inverse kinematics algorithm, they only focused on a special solution of the positioner inverse kinematics, which is the solution at down-hand welding position. However, in welding production, welding position other than down-hand position is also needed. A method for representing welding position was introduced. Then a general algorithm of rotating/tilting positioner inverse kinematics is presented.     

Numerical Simulation of the TIG Welding Arc Behavior

Achieving an effective utilization and exploitation of TIG welding arcs require a thorough understanding of the plasma properties and its physical processes.Through simultaneous solutions of the set of conservation equations for mass,momentum, energy and current, a mathematical model has been developed to predict the velocity,temperature,and current density distributions in argon welding arcs.The predicted temperature fields in arc regions, and the distribution of current density and heat flux at the anode agree well with measurements reported in literatures.This work could lay the foundation for developing a comprehensive model of the TIG welding process where a dynamic, two-way coupling between the welding arc and the weld pool surface is properly represented.     

可控硅脉冲等离子弧焊电源的研制

本文介绍了可控硅脉冲等离子弧焊电源的研制成果。在参考国外多种焊机的基础上,设计了比较理想的控制电路。试验结果表明:该电源具有良好的动特性和静特性,能很好地满足脉冲等离子弧焊的要求。     

Development of a New Welding Material for Arc Welding of As-cast Ferritic Ductile Iron

Using the nickel welding wire, the effect of alloying elements on the chilling tendency of partial fusion zone (PFZ) of arc-welded ferritic ductile iron and the mechanical properties of weld metal have been systematically studied. On this basis a new nickel electrode for arc welding of ferritic ductile iron (QT400-17) is developed for the first time. The mechanical properties of its weld metal can match those of ferritic ductile iron. The width of carbide layer (WCL) in PFZ is significantly decreased, the welded joint has excellent machinability and the weid metal has high hot cracking resistance     

Numerical Simulation of Electromagnetic Force in Double-Sided Arc Welding Process

Up till now, most of the researchers believe that there are four kinds of forces in the weld pool convection, they aresurface tension, electromagnetic force, buoyancy and gas shear stress. So electromagnetic force is very important,especially when large c     

Numerical Analysis of Two-Way Interaction between Weld-Pool and Arc for GTA Welding Process

［1］H.G.Fan, S.J.Na and Y.W.Shi: J. Phys. D: Appl. Phys., 1997, 30, 94. ［2］Y.P.Lei and Y.W.Shi: Numerical Heat Transfer B,1994, 26, 455. ［3］R.T.C.Choo, J.Szekely and R.C.Westhoff: Metall. Trans. B, 1992, 23B, 357.