Improvement of Simultaneous 5-Axis Controlled Machining Accuracy by CL-Data Modification
As the motion accuracy of 5-axis machining centers directly influences the geometrical shape accuracy of the machined workpieces, accuracy enhancement of the 5-axis machining centers is strongly needed. To improve the shape accuracy during the machining by a 5-axis machine tool, a method that modifi...
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| Veröffentlicht in: | International journal of automation technology 2019-09, Vol.13 (5), p.583-592 |
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| container_title | International journal of automation technology |
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| creator | Sato, Ryuta Morishita, Kiichi Nishida, Isamu Shirase, Keiichi Hasegawa, Masanobu Saito, Akira Iwasaki, Takayuki |
| description | As the motion accuracy of 5-axis machining centers directly influences the geometrical shape accuracy of the machined workpieces, accuracy enhancement of the 5-axis machining centers is strongly needed. To improve the shape accuracy during the machining by a 5-axis machine tool, a method that modifies the CL-data based on the motion trajectory errors normal to the machined surface at each command point has been proposed. In this study, the proposed method is applied to simultaneous 5-axis controlled machining to improve motion accuracy. A normal vector calculation method for the simultaneous 5-axis controlled motion is newly proposed, and the compensation method is applied to turbine blade machining by 5-axis controlled motion. Measurement tests of the cutting motion for blade shape machining by a ball-end mill were carried out with a different control mode of NC. The CL-data for the machining tool path was also modified based on the calculated trajectory of the tool center point. Experimental results reveal that the feed speed and machining accuracy significantly depend on the control mode of NC, and that the shape accuracy can be improved by applying the proposed compensation method without any decrease in motion speed. |
| doi_str_mv | 10.20965/ijat.2019.p0583 |
| format | Article |
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To improve the shape accuracy during the machining by a 5-axis machine tool, a method that modifies the CL-data based on the motion trajectory errors normal to the machined surface at each command point has been proposed. In this study, the proposed method is applied to simultaneous 5-axis controlled machining to improve motion accuracy. A normal vector calculation method for the simultaneous 5-axis controlled motion is newly proposed, and the compensation method is applied to turbine blade machining by 5-axis controlled motion. Measurement tests of the cutting motion for blade shape machining by a ball-end mill were carried out with a different control mode of NC. The CL-data for the machining tool path was also modified based on the calculated trajectory of the tool center point. Experimental results reveal that the feed speed and machining accuracy significantly depend on the control mode of NC, and that the shape accuracy can be improved by applying the proposed compensation method without any decrease in motion speed.</description><identifier>ISSN: 1881-7629</identifier><identifier>EISSN: 1883-8022</identifier><identifier>DOI: 10.20965/ijat.2019.p0583</identifier><language>eng</language><publisher>Tokyo: Fuji Technology Press Co. Ltd</publisher><subject>Accuracy ; Axis movements ; Compensation ; Cutting parameters ; End milling cutters ; Five axis ; Geometric accuracy ; Machine shops ; Machine tools ; Machining ; Machining centres ; Mathematical analysis ; Trajectories ; Turbine blades ; Workpieces</subject><ispartof>International journal of automation technology, 2019-09, Vol.13 (5), p.583-592</ispartof><rights>Copyright © 2019 Fuji Technology Press Ltd.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c551t-8529acbb3e19759d24bbc4560bdadf99308bcb55e5fe49e68f1b2b041ecdf76d3</citedby><cites>FETCH-LOGICAL-c551t-8529acbb3e19759d24bbc4560bdadf99308bcb55e5fe49e68f1b2b041ecdf76d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,860,27901,27902</link.rule.ids></links><search><creatorcontrib>Sato, Ryuta</creatorcontrib><creatorcontrib>Morishita, Kiichi</creatorcontrib><creatorcontrib>Nishida, Isamu</creatorcontrib><creatorcontrib>Shirase, Keiichi</creatorcontrib><creatorcontrib>Hasegawa, Masanobu</creatorcontrib><creatorcontrib>Saito, Akira</creatorcontrib><creatorcontrib>Iwasaki, Takayuki</creatorcontrib><creatorcontrib>Production Engineering Center, IHI Corporation, Yokohama, Japan</creatorcontrib><creatorcontrib>Department of Mechanical Engineering, Kobe University 1-1 Rokko-dai, Nada, Kobe 657-8501, Japan</creatorcontrib><title>Improvement of Simultaneous 5-Axis Controlled Machining Accuracy by CL-Data Modification</title><title>International journal of automation technology</title><description>As the motion accuracy of 5-axis machining centers directly influences the geometrical shape accuracy of the machined workpieces, accuracy enhancement of the 5-axis machining centers is strongly needed. To improve the shape accuracy during the machining by a 5-axis machine tool, a method that modifies the CL-data based on the motion trajectory errors normal to the machined surface at each command point has been proposed. In this study, the proposed method is applied to simultaneous 5-axis controlled machining to improve motion accuracy. A normal vector calculation method for the simultaneous 5-axis controlled motion is newly proposed, and the compensation method is applied to turbine blade machining by 5-axis controlled motion. Measurement tests of the cutting motion for blade shape machining by a ball-end mill were carried out with a different control mode of NC. The CL-data for the machining tool path was also modified based on the calculated trajectory of the tool center point. Experimental results reveal that the feed speed and machining accuracy significantly depend on the control mode of NC, and that the shape accuracy can be improved by applying the proposed compensation method without any decrease in motion speed.</description><subject>Accuracy</subject><subject>Axis movements</subject><subject>Compensation</subject><subject>Cutting parameters</subject><subject>End milling cutters</subject><subject>Five axis</subject><subject>Geometric accuracy</subject><subject>Machine shops</subject><subject>Machine tools</subject><subject>Machining</subject><subject>Machining centres</subject><subject>Mathematical analysis</subject><subject>Trajectories</subject><subject>Turbine blades</subject><subject>Workpieces</subject><issn>1881-7629</issn><issn>1883-8022</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNotkDtPwzAAhC0EElXpzmiJOcWPOLHHKrwqtWIAJDbLdmxwlcTFdhD994SW6W443ek-AK4xWhIkKnbrdypPFovlHjFOz8AMc04Ljgg5P3pc1BURl2CRkteI4arEjNYz8L7u9zF8294OGQYHX3w_dlkNNowJsmL14xNswpBj6Drbwq0yn37wwwdcGTNGZQ5QH2CzKe5UVnAbWu-8UdmH4QpcONUlu_jXOXh7uH9tnorN8-O6WW0KwxjOBWdEKKM1tVjUTLSk1NqUrEK6Va0TgiKujWbMMmdLYSvusCYaldia1tVVS-fg5tQ73fgabcpyF8Y4TJOSlBXjGOOaTSl0SpkYUorWyX30vYoHiZE8IpR_COUfQnlESH8BUzNl_w</recordid><startdate>20190905</startdate><enddate>20190905</enddate><creator>Sato, Ryuta</creator><creator>Morishita, Kiichi</creator><creator>Nishida, Isamu</creator><creator>Shirase, Keiichi</creator><creator>Hasegawa, Masanobu</creator><creator>Saito, Akira</creator><creator>Iwasaki, Takayuki</creator><general>Fuji Technology Press Co. 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Takayuki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c551t-8529acbb3e19759d24bbc4560bdadf99308bcb55e5fe49e68f1b2b041ecdf76d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Accuracy</topic><topic>Axis movements</topic><topic>Compensation</topic><topic>Cutting parameters</topic><topic>End milling cutters</topic><topic>Five axis</topic><topic>Geometric accuracy</topic><topic>Machine shops</topic><topic>Machine tools</topic><topic>Machining</topic><topic>Machining centres</topic><topic>Mathematical analysis</topic><topic>Trajectories</topic><topic>Turbine blades</topic><topic>Workpieces</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sato, Ryuta</creatorcontrib><creatorcontrib>Morishita, Kiichi</creatorcontrib><creatorcontrib>Nishida, Isamu</creatorcontrib><creatorcontrib>Shirase, 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To improve the shape accuracy during the machining by a 5-axis machine tool, a method that modifies the CL-data based on the motion trajectory errors normal to the machined surface at each command point has been proposed. In this study, the proposed method is applied to simultaneous 5-axis controlled machining to improve motion accuracy. A normal vector calculation method for the simultaneous 5-axis controlled motion is newly proposed, and the compensation method is applied to turbine blade machining by 5-axis controlled motion. Measurement tests of the cutting motion for blade shape machining by a ball-end mill were carried out with a different control mode of NC. The CL-data for the machining tool path was also modified based on the calculated trajectory of the tool center point. Experimental results reveal that the feed speed and machining accuracy significantly depend on the control mode of NC, and that the shape accuracy can be improved by applying the proposed compensation method without any decrease in motion speed.</abstract><cop>Tokyo</cop><pub>Fuji Technology Press Co. Ltd</pub><doi>10.20965/ijat.2019.p0583</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| source | J-STAGE Free; DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Accuracy Axis movements Compensation Cutting parameters End milling cutters Five axis Geometric accuracy Machine shops Machine tools Machining Machining centres Mathematical analysis Trajectories Turbine blades Workpieces |
| title | Improvement of Simultaneous 5-Axis Controlled Machining Accuracy by CL-Data Modification |
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