彈力臂厚度及角度對矽橡膠按鍵影響之探討; A study for the effect of web thickness and angles of silicone rubber key

NCUIR > Engineering College > Executive Master of Mechanical Engineering > Electronic Thesis & Dissertation > Item 987654321/43510

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/43510

Title:	彈力臂厚度及角度對矽橡膠按鍵影響之探討;A study for the effect of web thickness and angles of silicone rubber key
Authors:	陳啟榮;Chi-Jung Chen
Contributors:	機械工程研究所碩士在職專班
Keywords:	矽橡膠按鍵;Silicon rubber key
Date:	2010-07-26
Issue Date:	2010-12-08 13:43:09 (UTC+8)
Publisher:	國立中央大學
Abstract:	矽橡膠按鍵以成品而言，其操作力與段落比的大小，跟彈力臂的厚度及角度有顯著的關係。因此本文研究以網路電話機的按鍵為探討對象，利用目前業界常用的彈力臂結構，採實驗分析方式探討彈力臂幾何參數與按鍵操作力、段落感及壽命之關係。實驗材料採用硬度Shore A 60度的矽橡膠，且實驗共分9種彈力臂按鍵型式，分別以3種彈力臂角度及3種厚度作為設計參數。結果說明彈力臂角度或厚度增加，其彈力臂最大操作力及彈力臂衰減幅度則愈大，而按鍵段落比則愈小。 Silicon rubber key’s operating force which are parameters characterize web structure snap ratio have remarkable relation with its web thickness and angle. Therefore, in this study, we discussed the rubber key design for VoIP (Voice over Internet Phone) phone, using the commonly used web structure, with experimental analysis to find out the relationship among the web structure parameter, click feeling and reliability. Hardness Shore A 60 degrees of silicone rubber is applied as the material for the experiment. The experiment is divided to 9 types of web structures, with the design parameters of 3 types of angle and 3 types of thickness. The result shows that the more web angle or thickness is, the bigger maximum operating force and reliability decayed ratio will be, and comes with the less key’s snap ratio.
Appears in Collections:	[Executive Master of Mechanical Engineering] Electronic Thesis & Dissertation

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