Algorithm of variable forward step size planning in freeform surface machining
Multi-axis machine is widely used in freeform surface machining. The curve of tool path is discretized to line segments to get the cutter contact (CC) points according to chordal deviation error (CDE) on conventional method and mid-point point method is applied in the verification of maximum CDE. Sh...
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| creator | Zhao Shitian Zhao Dongbiao Fu Yingying |
| description | Multi-axis machine is widely used in freeform surface machining. The curve of tool path is discretized to line segments to get the cutter contact (CC) points according to chordal deviation error (CDE) on conventional method and mid-point point method is applied in the verification of maximum CDE. Shortcoming of the mid-point method is that it may lead to wrong forward step size when sign of the curvature of the two adjacent discretized points is opposite. A new algorithm for curve of tool path discretization is presented to improve the precision of the forward step size, so the forward step size is as large as possible and the CDE is uniform in every line segments. The results showed that the maximum CDE is not locate on the middle point of the two adjacent parameter points, this showed that the conventional simplified mid-point method is not as accurate as the new method. |
| doi_str_mv | 10.1109/ICINFA.2009.5204996 |
| format | Conference Proceeding |
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The curve of tool path is discretized to line segments to get the cutter contact (CC) points according to chordal deviation error (CDE) on conventional method and mid-point point method is applied in the verification of maximum CDE. Shortcoming of the mid-point method is that it may lead to wrong forward step size when sign of the curvature of the two adjacent discretized points is opposite. A new algorithm for curve of tool path discretization is presented to improve the precision of the forward step size, so the forward step size is as large as possible and the CDE is uniform in every line segments. The results showed that the maximum CDE is not locate on the middle point of the two adjacent parameter points, this showed that the conventional simplified mid-point method is not as accurate as the new method.</description><identifier>ISBN: 9781424436071</identifier><identifier>ISBN: 1424436079</identifier><identifier>EISBN: 1424436087</identifier><identifier>EISBN: 9781424436088</identifier><identifier>DOI: 10.1109/ICINFA.2009.5204996</identifier><identifier>LCCN: 2008911554</identifier><language>eng</language><publisher>IEEE</publisher><subject>Aerodynamics ; Automation ; Automotive engineering ; Computer numerical control ; Control systems ; Fluid dynamics ; Machining ; Rough surfaces ; Shape ; Surface roughness</subject><ispartof>2009 International Conference on Information and Automation, 2009, p.618-622</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5204996$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,776,780,785,786,2051,27904,54898</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5204996$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Zhao Shitian</creatorcontrib><creatorcontrib>Zhao Dongbiao</creatorcontrib><creatorcontrib>Fu Yingying</creatorcontrib><title>Algorithm of variable forward step size planning in freeform surface machining</title><title>2009 International Conference on Information and Automation</title><addtitle>ICINFA</addtitle><description>Multi-axis machine is widely used in freeform surface machining. The curve of tool path is discretized to line segments to get the cutter contact (CC) points according to chordal deviation error (CDE) on conventional method and mid-point point method is applied in the verification of maximum CDE. Shortcoming of the mid-point method is that it may lead to wrong forward step size when sign of the curvature of the two adjacent discretized points is opposite. A new algorithm for curve of tool path discretization is presented to improve the precision of the forward step size, so the forward step size is as large as possible and the CDE is uniform in every line segments. The results showed that the maximum CDE is not locate on the middle point of the two adjacent parameter points, this showed that the conventional simplified mid-point method is not as accurate as the new method.</description><subject>Aerodynamics</subject><subject>Automation</subject><subject>Automotive engineering</subject><subject>Computer numerical control</subject><subject>Control systems</subject><subject>Fluid dynamics</subject><subject>Machining</subject><subject>Rough surfaces</subject><subject>Shape</subject><subject>Surface roughness</subject><isbn>9781424436071</isbn><isbn>1424436079</isbn><isbn>1424436087</isbn><isbn>9781424436088</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2009</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo1UFFLwzAYjMhAN_cL9pI_0Jo0yZI8juK0MObL3seX9ssWabuSVEV_vRXnvRzHHcdxhKw4yzln9rEqq_12kxeM2VwVTFq7viFzLgspxZoZfUuWVpt_rfmMzKessZwrJe_IMqU3NkGqQmt5T_ab9nSJYTx39OLpB8QArkXqL_ETYkPTiANN4Rvp0ELfh_5EQ099RJwSHU3v0UONtIP6HH7dBzLz0CZcXnlBDtunQ_mS7V6fq3Kzy4JlY6aMAMYtWxtvUAhvLRju0PlG1GbaXXinjAbh6qZg1qGsAR02ykltG9mAWJDVX21AxOMQQwfx63i9Q_wAxn9TPg</recordid><startdate>200906</startdate><enddate>200906</enddate><creator>Zhao Shitian</creator><creator>Zhao Dongbiao</creator><creator>Fu Yingying</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>200906</creationdate><title>Algorithm of variable forward step size planning in freeform surface machining</title><author>Zhao Shitian ; Zhao Dongbiao ; Fu Yingying</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-583a019068f8e33f99a81bebfd3c84432fb587a3bcd209be4caebed5b479d4da3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Aerodynamics</topic><topic>Automation</topic><topic>Automotive engineering</topic><topic>Computer numerical control</topic><topic>Control systems</topic><topic>Fluid dynamics</topic><topic>Machining</topic><topic>Rough surfaces</topic><topic>Shape</topic><topic>Surface roughness</topic><toplevel>online_resources</toplevel><creatorcontrib>Zhao Shitian</creatorcontrib><creatorcontrib>Zhao Dongbiao</creatorcontrib><creatorcontrib>Fu Yingying</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Zhao Shitian</au><au>Zhao Dongbiao</au><au>Fu Yingying</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Algorithm of variable forward step size planning in freeform surface machining</atitle><btitle>2009 International Conference on Information and Automation</btitle><stitle>ICINFA</stitle><date>2009-06</date><risdate>2009</risdate><spage>618</spage><epage>622</epage><pages>618-622</pages><isbn>9781424436071</isbn><isbn>1424436079</isbn><eisbn>1424436087</eisbn><eisbn>9781424436088</eisbn><abstract>Multi-axis machine is widely used in freeform surface machining. The curve of tool path is discretized to line segments to get the cutter contact (CC) points according to chordal deviation error (CDE) on conventional method and mid-point point method is applied in the verification of maximum CDE. Shortcoming of the mid-point method is that it may lead to wrong forward step size when sign of the curvature of the two adjacent discretized points is opposite. A new algorithm for curve of tool path discretization is presented to improve the precision of the forward step size, so the forward step size is as large as possible and the CDE is uniform in every line segments. The results showed that the maximum CDE is not locate on the middle point of the two adjacent parameter points, this showed that the conventional simplified mid-point method is not as accurate as the new method.</abstract><pub>IEEE</pub><doi>10.1109/ICINFA.2009.5204996</doi><tpages>5</tpages></addata></record> |
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| ispartof | 2009 International Conference on Information and Automation, 2009, p.618-622 |
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| language | eng |
| recordid | cdi_ieee_primary_5204996 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Aerodynamics Automation Automotive engineering Computer numerical control Control systems Fluid dynamics Machining Rough surfaces Shape Surface roughness |
| title | Algorithm of variable forward step size planning in freeform surface machining |
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