Possessing two methods of arc extinguishing and function of ball cutting after welding, suitable for different high performance welding procedures of semi-automation, automation and robot.

拥有两种收弧模式和焊后削小球功能，适合半自动、自动焊、机器人等不同的高性能焊接工艺需求。

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The welding of hollow aluminium ball has more particularities, it adopts the vacuum electronic beam welding that is more favorable than laser welding.

空心铝球的焊接更有特殊性，采用真空电子束焊接比激光焊接更为有利。

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The observation results of SEM and MS2000 indicate that cold welding, fragmentation and work harden occurred during high energy ball milling.

SEM和MS2000分析结果表明，高能球磨中存在冷焊、断裂和加工硬化现象。

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