Through experimental measuremnet, the optimum current and gas flow rate for strictly controlling the bead forming process are found out. 通过试验证明,严格控制焊接电流和离子气流量,可以对焊缝成形进行有效控制。
The fine bead producing apparatus comprises a raw material melting device ( 1), a liquid drop forming device ( 2), a nodulizing condensing device ( 3) and a product collecting device ( 4). 它包括原料熔化装置(1)、液体成滴装置(2)、球化冷凝装置(3)、产品收集装置(4);
The lapping amount of bead is critical not only for the trouble-free operation of three-dimensional welding, but also for the forming accuracy. 焊道搭接量对保证三维堆焊成形过程的顺利进行以及成形件的精度都有较为重要的影响。
A round draw bead can prevent the forming of inner wrinkles. 环形拉深筋经常用来内皱。
The result indicates that the optimal composite displacement system is to drive remaining oil by ways of oil bead deformation, stretching, and forming oil threads. 结果表明,最佳复合驱驱油体系以油珠变形、拉伸、形成油丝的方式启动剩余油。
Fatigue life is able to increase more than 90% as using technique that makes bead forming on the back side. 采用背面成形技术使膜盒的疲劳寿命提高90%以上。
The application of the soft composition backing provides an important condition to propagate one side welding process for bead forming on both sides. 这种软垫的应用,为单面焊双面成形工艺的推广创造了条件。
Being the foundation of welding path planning, welding position function, bead forming quality function, joint configuration function and smooth motion function are designed carefully as the objective functions for evaluating the path of the robot welding. 设计了评价焊接路径目标函数:焊接位置函数、焊缝成形质量函数、关节位置函数和运动平稳性函数。
Some parameters such as draw bead friction coefficient, material and blank thickness were analyzed. Then, a numerical simulation of the forming process of deck lid inner panel was carried out with the software DYNAFORM. 对仿真过程中参数,如拉延筋、摩擦系数、材料以及板料厚度的选择进行了较深入的研究,基于冲压仿真软件DYNAFORM对典型汽车覆盖件(行李箱内板)的冲压过程进行了仿真。
Bead forming controlled with procedure parameters in plasma arc welding 等离子弧焊接工艺参数对焊缝成形的控制
The effect of electro-slag surfacing process parameters of stainless steel strip electrode on the dilution rate and the effeet of additional magnetic field on the bead forming is studeed. 研究了不锈钢带极电渣堆焊工艺参数对堆焊层稀释率的影响规律和外加磁场对焊接质量的影响;
The application of equivalent draw bead s to sheet forming blank design is studied and the ideal of blank design using revering method combined with equivalent draw bead is conceived. 研究了在板料成形毛坯设计中加入等效拉延筋进行计算的毛坯设计方法,提出了利用反向方法结合等效拉延筋进行毛坯设计的设计思想。
Research on Application of Equivalent Draw Bead to Sheet Forming Blank Design 结合等效拉延筋的毛坯设计方法的研究
Through a large number of computer simulation calculations, the blank holder force, the initial velocity of punch drawn bead and the settings influencing the forming quality of several major factors are determined. 通过大量的计算机模拟计算,确定了压边力、凸模初始速度和拉深筋的设置等为影响成形质量的几个主要因素。