田口方法搭配主成份分析法與模糊理論開發雙能量束銲接鎳基合金 inconel 718...
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田口方法搭配主成份分析法與模糊理論開發雙能量束銲接鎳基合金 Inconel 718 多重品質特性最佳製程技術 Multiple Quality Characteristics Optimization of Welding Inconel 718 alloy Using Taguchi methods coupled with Principal Component Analysis and Fuzzy logic theory. 作者:葉伯煒 指導教授:曾義豐 教授 報告人:施智偉. 大綱. 一 、摘要 二 、 研究動機 三、研究 目的 四 、 開發雙能量銲接機制 - PowerPoint PPT PresentationTRANSCRIPT
PowerPoint Multiple Quality Characteristics Optimization of Welding
Inconel 718 alloy Using Taguchi methods coupled with Principal
Component Analysis and Fuzzy logic theory
(A)CO2(B)(C)(D) (E)(F)(G)(H)
A1(1.8)B3(CO21400W)C1(250mm/min)D2(4L/min)E3(62A)F2(4L/min)G3(16L/min)H1(0.2L/min)
Inconel718
*
yi
Principal component Analysis (PCA) for MPCI optimizatuon
Control factors: A:Tip() B:CO2 Laser power C:Welding velocity D:Side gas flow E:Plasma base current F:Back gas flow G:Shielding gas H:Center gas
CO2 Laser+Plasma welding system
Fuzzy logic rule for multi performance characteristics optimization
Output [Butt weldments]
Input [butt metals]
*
Tensile strength
Bendin gstrength
Factors
MPCIopt = A1+B3+C1+D2+E3+F2+G3+H1-7 MPCIaverage
= 0.6394+0.6438 +0.6697+0.6377+0.6938+0.6130+0.6212+0.6230-7×0.6078
=0.8868
MPCIinitial = A1+B1+C1+D1+E1+F1+G1+H1-7 MPCIaverage
= 0.6394+0.5555+0.6697+0.5813+0.5543+0.6033+0.6207+0.6230-7×0.6078
= 0.5924
MPCI0.2943
0.8868
0.920
0.5924
0.596
0.2943
0.324
MPCI confirmed
Inconel 718B(CO2)C()E()
(A)CO2(B)(C)(D) (E)(F)(G)(H)
A1(1.8)B3(CO21400W)C1(250mm/min)D2(4L/min)E3(62A)F2(4L/min)G3(16L/min)H1(0.2L/min)
Inconel718
*
yi
Principal component Analysis (PCA) for MPCI optimizatuon
Control factors: A:Tip() B:CO2 Laser power C:Welding velocity D:Side gas flow E:Plasma base current F:Back gas flow G:Shielding gas H:Center gas
CO2 Laser+Plasma welding system
Fuzzy logic rule for multi performance characteristics optimization
Output [Butt weldments]
Input [butt metals]
*
Tensile strength
Bendin gstrength
Factors
MPCIopt = A1+B3+C1+D2+E3+F2+G3+H1-7 MPCIaverage
= 0.6394+0.6438 +0.6697+0.6377+0.6938+0.6130+0.6212+0.6230-7×0.6078
=0.8868
MPCIinitial = A1+B1+C1+D1+E1+F1+G1+H1-7 MPCIaverage
= 0.6394+0.5555+0.6697+0.5813+0.5543+0.6033+0.6207+0.6230-7×0.6078
= 0.5924
MPCI0.2943
0.8868
0.920
0.5924
0.596
0.2943
0.324
MPCI confirmed
Inconel 718B(CO2)C()E()
博士論文 - ir.nctu.edu.tw · 國 立 交 通 大 學 機 械 工 程 研 究 所 博士論文 助銲劑對1020 碳鋼及304 不銹鋼電漿銲接特 性之研究 Effects of flux
第五屆台灣銲接檢驗師基礎科試題web.nchu.edu.tw/~weite/weldweb/5TH.pdf · 3 ( 2 ) 17.如圖所示為何種型式的瑕疵? c銲蝕 d重疊 e表面過凸 f表面過凹