Toolpath interpolation and smoothing for computer numerical control machining of freeform surfaces: a review

WB Zhong, XC Luo, WL Chang, YK Cai, F Ding… - International Journal of …, 2020 - Springer
Driven by the ever increasing demand in function integration, more and more next
generation high value-added products, such as head-up displays, solar concentrators and …

Surface generation and materials removal mechanism in ultra-precision grinding of biconical optics based on slow tool servo with diamond grinding wheels

S Wang, Q Zhang, Q Zhao, B Guo - Journal of Manufacturing Processes, 2021 - Elsevier
Diamond turning, fly-cutting, and milling are the primary manufacturing technologies for
generating free-form surfaces; however, they are not sufficiently effective in machining free …

Freeform surfaces manufacturing of optical glass by ultrasonic vibration-assisted slow tool servo turning

Y Xing, C Xue, Y Liu, H Du, WS Yip, S To - Journal of Materials Processing …, 2024 - Elsevier
The optical glass is a typical difficult-to-cut material for single-point diamond turning because
of its high hardness and low fracture toughness. The application of high-frequency vibration …

Form error compensation in the slow tool servo machining of freeform optics

V Mishra, DR Burada, KK Pant, V Karar, S Jha… - … International Journal of …, 2019 - Springer
Advancements in diamond turning technology with tool servo configurations enables the
generation of precise freeform surfaces. However, the profile accuracy is mainly limited due …

A novel tool path planning method for 5-axis single-point diamond turning

H Wang, S Wang, Y Xuan, S Sun, S Wang… - Journal of Manufacturing …, 2024 - Elsevier
Axis single-point diamond turning adds two linked axes based on 3-axis single-point
diamond turning, which can smoothly and continuously process complex surfaces …

Finite element simulation of surface roughness in diamond turning of spherical surfaces

J Yang, X Wang, M Kang - Journal of Manufacturing Processes, 2018 - Elsevier
In this paper, a 3D finite element (FE) model is proposed for the diamond turning of spherical
surfaces, and the movement control subroutine in the software is developed to describe the …

Experimental investigations on slow tool servo process parameters for freeform optics machining

V Mishra, D Sabui, DR Burada, V Karar… - Materials and …, 2020 - Taylor & Francis
Freeform surfaces are gaining popularity in vast engineering applications including optical
engineering, aerospace, automotive, and biomedical. Success of freeform surfaces lies with …

A smooth tool path generation method for ultraprecision turning discontinuous multi-freeform-surfaces with high machining efficiency

S Ao, H Gong, K Huang - Journal of materials processing technology, 2021 - Elsevier
The typical tool path of turning freeform surfaces is spiral. Usually, this kind of tool path only
can deal with continuous surfaces within a circular area. If the designed surfaces are not …

Study of ultra-precision turning path calculation of freeform surface with free contours

K Huang, H Gong, X Chen - The International Journal of Advanced …, 2022 - Springer
Ultra-precision turning technology (UPT) plays a critical role in optical freeform surface
manufacturing. There are researches focusing on solving problems of UPT tool path …

Ultra-precision machining of a large amplitude umbrella surface based on slow tool servo

P Ning, J Zhao, S Ji, J Li, H Dai - International Journal of Precision …, 2020 - Springer
Due to its excellent optical performance and system integration property, micro-nano
structure function surface has been widely used in optical apparatus and energy collection …