Machining mechanism in tilt electrical discharge milling for lens mold

Tianfeng Zhou; Chenghua Zhou; Zhiqiang Liang; Xibin Wang

doi:10.1007/s00170-017-1408-5

Machining mechanism in tilt electrical discharge milling for lens mold

Tianfeng Zhou^*, Chenghua Zhou, Zhiqiang Liang, Xibin Wang

^*Corresponding author for this work

School of Mechanical Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

A new machining method for lens molds using tilt electrical discharge milling (ED milling) has been experimentally investigated. Compared with the conventional ED milling, the tilt ED milling enables efficient enlargement of discharge gap by adjusting the tilt angles of the workpiece which results in efficient chip removal and burnish surface quality. On account of this method, micro lens craters were fabricated on the tungsten carbide (WC) and silicon carbide particulate reinforced aluminum metal matrix composite (SiCp/Al) at the optimized machining parameters under various tilt angles of the workpiece. The surface morphology and material removal rate were determined with a laser scanning microscope VK-X100 (KEYENCE, Japan). Experimental results present a 60% rise in surface quality at 25° in tilt ED milling. On the basis of electromagnetic effect, the machining mechanism is analyzed in detail in tilt ED milling for lens molds.

Original language	English
Pages (from-to)	2747-2755
Number of pages	9
Journal	International Journal of Advanced Manufacturing Technology
Volume	95
Issue number	5-8
DOIs	https://doi.org/10.1007/s00170-017-1408-5
Publication status	Published - 1 Mar 2018

Keywords

Electromagnetic effect
Lens mold
Tilt electrical discharge milling

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10.1007/s00170-017-1408-5

Cite this

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title = "Machining mechanism in tilt electrical discharge milling for lens mold",

abstract = "A new machining method for lens molds using tilt electrical discharge milling (ED milling) has been experimentally investigated. Compared with the conventional ED milling, the tilt ED milling enables efficient enlargement of discharge gap by adjusting the tilt angles of the workpiece which results in efficient chip removal and burnish surface quality. On account of this method, micro lens craters were fabricated on the tungsten carbide (WC) and silicon carbide particulate reinforced aluminum metal matrix composite (SiCp/Al) at the optimized machining parameters under various tilt angles of the workpiece. The surface morphology and material removal rate were determined with a laser scanning microscope VK-X100 (KEYENCE, Japan). Experimental results present a 60% rise in surface quality at 25° in tilt ED milling. On the basis of electromagnetic effect, the machining mechanism is analyzed in detail in tilt ED milling for lens molds.",

keywords = "Electromagnetic effect, Lens mold, Tilt electrical discharge milling",

author = "Tianfeng Zhou and Chenghua Zhou and Zhiqiang Liang and Xibin Wang",

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T1 - Machining mechanism in tilt electrical discharge milling for lens mold

AU - Zhou, Tianfeng

AU - Zhou, Chenghua

AU - Liang, Zhiqiang

AU - Wang, Xibin

PY - 2018/3/1

Y1 - 2018/3/1

N2 - A new machining method for lens molds using tilt electrical discharge milling (ED milling) has been experimentally investigated. Compared with the conventional ED milling, the tilt ED milling enables efficient enlargement of discharge gap by adjusting the tilt angles of the workpiece which results in efficient chip removal and burnish surface quality. On account of this method, micro lens craters were fabricated on the tungsten carbide (WC) and silicon carbide particulate reinforced aluminum metal matrix composite (SiCp/Al) at the optimized machining parameters under various tilt angles of the workpiece. The surface morphology and material removal rate were determined with a laser scanning microscope VK-X100 (KEYENCE, Japan). Experimental results present a 60% rise in surface quality at 25° in tilt ED milling. On the basis of electromagnetic effect, the machining mechanism is analyzed in detail in tilt ED milling for lens molds.

AB - A new machining method for lens molds using tilt electrical discharge milling (ED milling) has been experimentally investigated. Compared with the conventional ED milling, the tilt ED milling enables efficient enlargement of discharge gap by adjusting the tilt angles of the workpiece which results in efficient chip removal and burnish surface quality. On account of this method, micro lens craters were fabricated on the tungsten carbide (WC) and silicon carbide particulate reinforced aluminum metal matrix composite (SiCp/Al) at the optimized machining parameters under various tilt angles of the workpiece. The surface morphology and material removal rate were determined with a laser scanning microscope VK-X100 (KEYENCE, Japan). Experimental results present a 60% rise in surface quality at 25° in tilt ED milling. On the basis of electromagnetic effect, the machining mechanism is analyzed in detail in tilt ED milling for lens molds.

KW - Electromagnetic effect

KW - Lens mold

KW - Tilt electrical discharge milling

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Machining mechanism in tilt electrical discharge milling for lens mold

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