本发明是工件输送装置，其特征是控制活动框架的气缸（或油缸）安装 在固定框架一侧；
The invention relates to a workpiece delivery device, which is characterized in that an air cylinder (or oil cylinder) for controlling a movable frame is installed at one side of a fixed frame;
并提出了被切削层金属沿刀具切削刃向工件两侧的自由表面产生塑性流动是形成两侧方向毛刺主要原因的新观点，得到了试验结果的证实。
A new viewpoint was advanced, in which the plastic flow of metal layer to be cut becomes the cutting burr, and it was confirmed by experimental results.
计算结果表明，在靠近结合界面的Q 235钢一侧的工件棱边处产生最大轴向应力，这是导致接头开裂的重要因素。
The results indicated that the largest stress appeared on the edge of Q235 near the interface. This is the key factor inducing crack.
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