用於電火花加工的油質感測器;Oil Quality Sensor for Electrical Discharge Machining

NCUIR > Engineering College > Graduate Institute of Mechanical Engineering > Electronic Thesis & Dissertation > Item 987654321/79657

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/79657

Title:	用於電火花加工的油質感測器;Oil Quality Sensor for Electrical Discharge Machining
Authors:	麗莎;Hascaryengtyas, Gloria Lisa
Contributors:	機械工程學系
Keywords:	圓柱電容感測器;介電材料;信號調理電路;Cylindrical capacitive sensor;Dielectric material;signal conditioning circuit
Date:	2018-11-05
Issue Date:	2019-04-02 15:11:03 (UTC+8)
Publisher:	國立中央大學
Abstract:	電容式感測器可以根據介電常數檢測材料介電特性。為了監測放電加工介電油中侵蝕顆粒的介電材料，本研究提出了一種新型的圓柱形平行板感測器。感測器系統具有高靈敏度和良好的電路穩定性，可用於測量小濃度。該研究成功地測量了介電材料，例如活性炭和炭黑粉末，其濃度範圍為0.2g / 100ml至5g / 100ml。該研究還成功地測量了0.5g / 100ml至3g / 100ml的鐵粉濃度。本研究並成功地測量了放電加工機介電油中的介電粒子。五分鐘的測量驗證了本感測器的穩定性。;A capacitive sensor is a basic capacitive coupling that can detect and measure material dielectric particle, based on their dielectric constant or conductivity. To detect and monitor the dielectric materials of the eroded particles in electrical discharge machining (EDM) oil, this study present a new type of parallel plate sensor with a cylindrical shape. The sensor system present high sensitivity of sensor and good stability of signal conditioning circuit for measuring small concentrations. This study successfully measured dielectric materials such as activated carbon and carbon black powder with a concentration range from 0.2 g / 100 ml to 5 g / 100 ml. Also, this study successfully measured the concentration of iron powder from 0.5 g / 100 ml to 3 g / 100 ml. This study also successfully measured dielectric particles in the EDM machine dielectric oil. Five minutes measurement indicates the stability of sensor measurement.
Appears in Collections:	[Graduate Institute of Mechanical Engineering] Electronic Thesis & Dissertation

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