Study on laser microdrilling nearby the last threshold

XIN Feng-lan; WANG Zhi-yong; LIU Xue-sheng; WANG Yi-quan; HUANG Tao; ZUO Tie-chuan

According to the influence of each laser parameter on processing and the advantage that a laser can achieve high laser quality nearby the last threshold,AOM Q-switched Nd∶YAG pulsed laser is adopted for microdrilling.As a result,the 15μm microhole in 0.7mm-thick zincification plate steel is obtained,and the ratio of depth and width is over 50,100% drilling rate is acquired.This method can achicve high quality laser microdrilling based on experiment.

Corresponding author: WANG Zhi-yong, zywang@bjut.edu.cn;

1. National Center of Laser Technology, Beijing University of Technology, Beijing 100022, China;

2. Cold Rolling Mill, Baoshan Iron and Steel Co.Ltd., Shanghai 201900, China

Received Date: 2005-03-31

Accepted Date: 2005-05-11

Available Online: 2006-05-25

Abstract: According to the influence of each laser parameter on processing and the advantage that a laser can achieve high laser quality nearby the last threshold,AOM Q-switched Nd∶YAG pulsed laser is adopted for microdrilling.As a result,the 15μm microhole in 0.7mm-thick zincification plate steel is obtained,and the ratio of depth and width is over 50,100% drilling rate is acquired.This method can achicve high quality laser microdrilling based on experiment.

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Reference (10)

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Study on laser microdrilling nearby the last threshold

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References

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