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首页> 外文期刊>Science and Technology of Welding and Joining >Two experimental set-ups designed for investigation of friction stir spot welding process
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Two experimental set-ups designed for investigation of friction stir spot welding process

机译：设计了两个用于研究搅拌摩擦点焊工艺的实验装置

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摘要

The effects of positioning and clamping conditions of a specimen of friction stir spot welding are investigated in this paper in terms of axial force and torque generated during the process. For this purpose, two special designs of experimental set-ups embedding different positioning and clamping conditions are presented. A four-component mechanical sensor is used for the measurements. First, the effects of the rotational speed of the spindle and the plunge depth of the tool on the axial force and torque are studied. Second, the effects of positioning and clamping conditions are investigated through both set-ups designed, varying the spindle rotation speed. It is shown that the axial force and torque exhibit an important dependence with respect to the rotation speed of the tool and that their maxima depend on positioning and clamping conditions of the specimen.
机译：本文根据搅拌过程中产生的轴向力和扭矩，研究了搅拌摩擦点焊试样的定位和夹持条件的影响。为此，提出了两种特殊的实验装置设计，它们嵌入了不同的定位和夹紧条件。使用四组件机械传感器进行测量。首先，研究了主轴的转速和刀具的切入深度对轴向力和转矩的影响。其次，通过两种设计方案（改变主轴转速）来研究定位和夹紧条件的影响。结果表明，轴向力和扭矩相对于工具的转速表现出重要的依赖性，并且其最大值取决于样品的定位和夹持条件。

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