1College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310023, China
2Institute of Laser Advanced Manufacturing, Zhejiang University of Technology, Hangzhou, Zhejiang 310023, China
3Collaborative Innovation Center of High-End Laser Manufacturing Equipment (National 2011 Plan), Zhejiang University of Technology, Hangzhou, Zhejiang 310023, China
4Zhejiang Provincial Engineering Research Center of High-End Equipment Laser Remanufacturing, Hangzhou, Zhejiang 310023, China