Variable-step-distance micro-milling repair cutter path generating method for damage points on surface of optical crystal

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United States of America

PATENT NO 12194657
APP PUB NO 20220152873A1
SERIAL NO

17524762

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Abstract

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A variable-step-distance micro-milling repair cutter path generating method for damage points on a surface of an optical crystal related to a field of optical material and optical element surface repair and includes steps of establishing a mathematical model of a repair profile; determining discrete contact points between a cutter and the repair profile to obtain a cutter contact control point set by a GPR path generating method to control a movement trend of a pseudo-random path; interpolating the cutter position control point set into a spatial curve by a NURBS modeling method; creating a UG curve in a UG software according to the mathematical model, and using the UG curve as the repair path to perform a machining process simulation. The method has good elimination effects on cutter marks with constant period and improves the ability of the KDP crystal to resist strong laser damage.

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Patent Owner(s)

Patent OwnerAddress
HARBIN INSTITUTE OF TECHNOLOGY150001 NO 92 WEST STRAIGHT STREET NANGANG DISTRICT HEILONGJIANG HARBIN HARBIN CITY HEILONGJIANG PROVINCE 150001

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Mingjun Harbin, CN 11 21
Cheng, Jian Harbin, CN 102 659
Cheng, Xumeng Harbin, CN 1 0
Liu, Henan Harbin, CN 1 0
Liu, Qi Harbin, CN 410 2346
Tan, Chao Harbin, CN 30 363
Wang, Tingzhang Harbin, CN 1 0
Wu, Wenqiang Harbin, CN 15 306
Yang, Hao Harbin, CN 279 2121
Zhao, Linjie Harbin, CN 2 0

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