劈刀，指刀背较厚的刀，用来劈竹子、木头等。
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A detailed time domain analysis on the test signal was done,including displacement,velocity and acceleration analysis. A clear description of the dynamic changes of capillary Z-axis movement during the bonding process was achieved.
利用激光多普勒(Doppler)非接触式测量方法,通过有效的试验光路设计,提取劈刀在实际键合过程中的Z轴运动信号;对试验采集信号进行了详细的时域分析,包括位移、速度、加速度分析,结果表明,以上研究清楚地描述了键合过程中劈刀Z轴运动的动态变化特性;最后,针对劈刀下落过程的搜索区域阶段(tip-offset)的运动干扰现象分析了其原因。
参考来源 - 引线键合劈刀Z轴运动信号分析Several other common laser non-contact measurement methods were also briefly introducedThe steady state vibration characteristics of bonding tool in different the degree of coupling tightness have been tested based on continuously scanning laser Doppler vibrometer.
利用激光多普勒测振仪,对U3000型粗铝丝引线键合装置中,劈刀在不同连接松紧度下的稳态振动进行了扫描测试。
参考来源 - 基于激光多普勒测试劈刀稳态振动特性的实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
劈刀用于剁碎、切肉和砍骨头。
These are used to do heavy chopping and cutting of meats and for cutting through bone.
中国厨师刀看起来像劈刀，但更轻，因为他们是用来剁蔬菜而不是肉。
Chinese Chef's knife will look like a cleaver in profile but will be lighter because it is used for chopping vegetables rather than meats.
这对实际键合中，换能系统末端的劈刀安装长度的选择以及换能杆工作频率的选择有指导意义。
This work can be guidance of selection for the length of the capillary and the working frequency of the transducer.
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