Variable-step-pitch micro-milling repair tool path generation method for optical crystal surface damage points

Variable-step-pitch micro-milling repair tool path generation method for optical crystal surface damage points

The invention discloses a variable-step-pitch micro-milling repair tool path generation method for optical crystal surface damage points, and belongs to the technical field of optical material and optical element surface repair. The method aims to delay the modulation effect of a constant-period too...

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Hauptverfasser: LIU HENAN, YANG HAO, CHENG XUMENG, WU WENQIANG, ZHAO LINJIE, LIU QI, TAN CHAO, CHENG JIAN, WANG TINGZHANG, CHEN MINGJUN
Format: Patent
Sprache:chi ; eng
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CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
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creator LIU HENAN
YANG HAO
CHENG XUMENG
WU WENQIANG
ZHAO LINJIE
LIU QI
TAN CHAO
CHENG JIAN
WANG TINGZHANG
CHEN MINGJUN
description The invention discloses a variable-step-pitch micro-milling repair tool path generation method for optical crystal surface damage points, and belongs to the technical field of optical material and optical element surface repair. The method aims to delay the modulation effect of a constant-period tool mark generated by a soft and brittle KDP crystal in micro-milling repair on incident laser, and achieve the purposes of improving the laser damage resistance of a KDP crystal element and prolonging the service life of the KDP crystal element. The method is characterized by: establishing a mathematical model of a repaired contour; determining discrete contact points of the cutter and the contour for controlling the motion trend of the pseudo-random trajectory when the cutter mills and repairs the contour by using a GPR trajectory generation method; utilizing the established repair contour mathematical model and the selected micro-milling cutter size; interpolating the cutter location control point set into a space
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subjects CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
title Variable-step-pitch micro-milling repair tool path generation method for optical crystal surface damage points
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