A Comparative Study on Tolerance Analysis...

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ISoRD2014 CPH

1st International Symposium on Robust DesignKøbenhavn, DK14th-15th of August 2014

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Reviewed by:

A Comparative Study on Tolerance Analysis Approaches

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Figure 1. Main Geometric Variations Management Activities during Product Design

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3.3 Quantitative Comparison of the Computer-Aided Tolerancing Approaches7KH�UHVXOWV�RI�WKH�FDVH�VWXGLHV�UHYHDO�D�VOLJKW�PHDQ�VKLIW�RI�WKH�GLPHQVLRQDO�.&V�EHWZHHQ�ERWK�WROHUDQFH�DQDO\VLV�DSSURDFKHV��)XUWKHUPRUH��WKH�UHVXOWLQJ�GLVWULEXWLRQV�RI�WKH�WLOW�DQJOHV�LQ�WKH�¿UVW�FDVH�VWXG\�DUH�FRQVLGHUDEO\�ZLGHU�IROORZLQJ�WKH�SURSULHWDU\�&$7�WRRO�FRPSDUHG�WR�WKH�6NLQ�0RGHO�6KDSH�DSSURDFK��3RVVLEOH�H[SODQDWLRQV�IRU�WKHVH�UHVXOWV�DUH�WKH�LQFRPSOHWH�FRQVLGHU-DWLRQ�RI�IRUP�GHYLDWLRQV�LQ�SURSULHWDU\�&$7�WRROV�DV�ZHOO�DV�VOLJKW�GLIIHUHQFHV�EHWZHHQ�WKH�DS-SURDFKHV�UHJDUGLQJ�WKH�UHSURGXFWLRQ�RI�JHRPHWULF�GHYLDWLRQV�DFFRUGLQJ�WR�WKH�VSHFL¿HG�WROHU-DQFH�GLVWULEXWLRQV��+RZHYHU��VLQFH�WKH�DOJRULWKPV�LPSOHPHQWHG�LQ�SURSULHWDU\�&$7�V\VWHPV�IRU�WKH�JHQHUDWLRQ�RI�JHRPHWULF�GHYLDWLRQV�DV�ZHOO�DV�IRU�WKH�WROHUDQFH�DQDO\VLV�LWVHOI�DUH�SUHVHQWHG�DV�EODFN�ER[HV�WR�GHVLJQHUV�DQG�UHVHDUFKHUV��LW�LV�LPSRVVLEOH�WR�FOHDUO\�LGHQWLI\�WKH�XQGHUO\LQJ�UHDVRQV�IRU�WKH�VOLJKW�GLIIHUHQFHV�LQ�WKH�WROHUDQFH�DQDO\VLV�UHVXOWV�EHWZHHQ�ERWK�DSSURDFKHV��+RZHYHU��VRPH�LPSRUWDQW�EHQH¿WV�RI�WKH�6NLQ�0RGHO�6KDSH�DSSURDFK�FDQ�EH�UHSRUWHG��WKRXJK�WKH\�FRPH�ZLWK�LQFUHDVHG�FRPSXWDWLRQDO�HIIRUWV��

4. Conclusion and Outlook*HRPHWULF�YDULDWLRQV�PDQDJHPHQW�LV�D�KLJKO\�UHOHYDQW�LVVXH�IRU�WKH�GHVLJQ�RI�IXQFWLRQLQJ�SURG-XFWV�DW�ORZ�PDQXIDFWXULQJ�DQG�LQVSHFWLRQ�FRVWV��,Q�WKLV�FRQWH[W��SDUWLFXODUO\�WKH�WROHUDQFH�DQDO-\VLV�LV�D�NH\�DFWLYLW\�ZKLFK�FRPSULVHV�WKH�HYDOXDWLRQ�RI�WKH�HIIHFWV�RI�JHRPHWULF�GHYLDWLRQV�RQ�UHOHYDQW�NH\�FKDUDFWHULVWLFV�� ,Q�WKLV�SDSHU�� WKH�VWDQGDUG�WROHUDQFH�DQDO\VLV�SURFHGXUH�EDVHG�RQ�D�SURSULHWDU\�FRPSXWHU�DLGHG�WROHUDQFLQJ�WRRO�KDV�EHHQ�FRPSDUHG�WR�WKH�WROHUDQFH�DQDO\VLV�EDVHG�RQ�6NLQ�0RGHO�6KDSHV��DV�D�QRYHO�FRQFHSW�IRU�&$7�DQG�JHRPHWULF�YDULDWLRQV�PDQDJH-PHQW��)RU�WKLV�SXUSRVH��ERWK�DSSURDFKHV�KDYH�EHHQ�EULHÀ\�LQWURGXFHG�DQG�DSSOLHG�WR�WZR�FDVH�VWXGLHV��ZKHUH�WKH�¿UVW�RQH�DLPHG�DW�KLJKOLJKWLQJ�WKH�LQÀXHQFH�RI�JHRPHWULF�SDUW�GHYLDWLRQV�RQ�PXOWLSOH�IXQFWLRQDO�NH\�FKDUDFWHULVWLFV�DQG�WKH�VHFRQG�RQH�FRQVLGHUHG�WKH�DVVHPEO\�VHTXHQFH�DV�DQRWKHU�³GHVLJQ´�SDUDPHWHU�HVSHFLDOO\� LQ� WKH�¿HOG�RI�ERG\�FRQVWUXFWLRQ��VXFK�DV� LQ�DXWR-PRWLYH�DQG�DLUFUDIW� LQGXVWULHV��%DVHG�RQ�D�TXDOLWDWLYH�DQG�TXDQWLWDWLYH�FRPSDULVRQ�EHWZHHQ�WKHVH�DSSURDFKHV��LW�FDQ�EH�IRXQG��WKDW�WKH�WROHUDQFH�DQDO\VLV�IUDPHZRUN�EDVHG�RQ�6NLQ�0RGHO�6KDSHV�RYHUFRPHV�PDMRU�VKRUWFRPLQJV�RI�SURSULHWDU\�&$7�WRROV��VXFK�DV�WKH�OLPLWHG�FRQIRU-PDQFH�WR�*'7�VWDQGDUGV��WKH�ODFNLQJ�FRQVLGHUDWLRQ�RI�IRUP�GHYLDWLRQV�DQG�WKH�PLVVLQJ�OLQN�WR�VXEVHTXHQW�VWHSV�DQG�DFWLYLWLHV�RI�JHRPHWULF�YDULDWLRQV�PDQDJHPHQW��+RZHYHU��DGGLWLRQDO�HIIRUWV�DUH�UHTXLUHG�LQ�RUGHU�WR�GHYHORS�D�FRPSUHKHQVLYH�&$7�WKHRU\�EDVHG�RQ�WKH�6NLQ�0RGHO�FRQFHSW��

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38 39

Acknowledgments7KH�DXWKRUV�JUDWHIXOO\�DFNQRZOHGJH�D�PRELOLW\�IXQGLQJ�RI�WKH�%DYDULDQ�$FDGHPLF�&HQWHU�IRU�)UDQFH��%)+=��XQGHU�WKH�UHIHUHQFH�QXPEHU�$]���B����7KH�DXWKRUV�ZRXOG�DOVR�OLNH�WR�WKDQN�%HLMLQJ�0XQLFLSDO�(GXFDWLRQ�&RPPLVVLRQ��%XLOG�D�3URMHFW��IRU�LWV�VXSSRUW�

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