Comparison on gas bubble and pulse trains of deep-cavity electrical discharge machining with/without rotary ultrasonic assistance
Fundamental observation of bubbles and debris in deep-cavity electrical discharge machining (EDM) with an ultrasonic spindle aimed at achieving higher machining efficiency is proposed and compared. Various discharge pulse trains for EDM, rotary EDM (R-EDM), ultrasonic vibration-assisted EDM (UA-EDM)...
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| Veröffentlicht in: | International journal of advanced manufacturing technology 2016-11, Vol.87 (5-8), p.2153-2164 |
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| container_title | International journal of advanced manufacturing technology |
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| creator | Hsue, Albert Wen-Jeng Hao, Tian-Jun |
| description | Fundamental observation of bubbles and debris in deep-cavity electrical discharge machining (EDM) with an ultrasonic spindle aimed at achieving higher machining efficiency is proposed and compared. Various discharge pulse trains for EDM, rotary EDM (R-EDM), ultrasonic vibration-assisted EDM (UA-EDM), and rotary ultrasonic EDM (RU-EDM) are investigated. Their effects on the removal efficiency, machining stability, and the tool wear rate are studied as well. It is found that EDM in deep cavity is actually discharged in the gas bubble most of the time except the short period at the very beginning stage. The main bubble at EDM tool jumping is maintained with a constant volume. And, the volume results in the boundary height of the bubble at the next EDM stroke. In which, ultrasonic vibration of sufficient strength was found to split main bubble quickly and improve the material removal rate at about 49 % through much higher frequency of pulse trains. Appended with rotation, the rotary ultrasonic vibration EDM can improve the tool wear rate but reduces the MRR in compared with conventional EDM. |
| doi_str_mv | 10.1007/s00170-016-8557-9 |
| format | Article |
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Various discharge pulse trains for EDM, rotary EDM (R-EDM), ultrasonic vibration-assisted EDM (UA-EDM), and rotary ultrasonic EDM (RU-EDM) are investigated. Their effects on the removal efficiency, machining stability, and the tool wear rate are studied as well. It is found that EDM in deep cavity is actually discharged in the gas bubble most of the time except the short period at the very beginning stage. The main bubble at EDM tool jumping is maintained with a constant volume. And, the volume results in the boundary height of the bubble at the next EDM stroke. In which, ultrasonic vibration of sufficient strength was found to split main bubble quickly and improve the material removal rate at about 49 % through much higher frequency of pulse trains. 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Various discharge pulse trains for EDM, rotary EDM (R-EDM), ultrasonic vibration-assisted EDM (UA-EDM), and rotary ultrasonic EDM (RU-EDM) are investigated. Their effects on the removal efficiency, machining stability, and the tool wear rate are studied as well. It is found that EDM in deep cavity is actually discharged in the gas bubble most of the time except the short period at the very beginning stage. The main bubble at EDM tool jumping is maintained with a constant volume. And, the volume results in the boundary height of the bubble at the next EDM stroke. In which, ultrasonic vibration of sufficient strength was found to split main bubble quickly and improve the material removal rate at about 49 % through much higher frequency of pulse trains. Appended with rotation, the rotary ultrasonic vibration EDM can improve the tool wear rate but reduces the MRR in compared with conventional EDM.</description><subject>Bubbles</subject><subject>CAE) and Design</subject><subject>Computer-Aided Engineering (CAD</subject><subject>Electric discharge machining</subject><subject>Engineering</subject><subject>Industrial and Production Engineering</subject><subject>Machine shops</subject><subject>Material removal rate (machining)</subject><subject>Mechanical Engineering</subject><subject>Media Management</subject><subject>Original Article</subject><subject>Production planning</subject><subject>Tool wear</subject><subject>Ultrasonic vibration</subject><subject>Wear rate</subject><issn>0268-3768</issn><issn>1433-3015</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp9kU9PGzEQxa0KpIbQD9CbpZ4NHjv-s8cqagEJiQucrYljJ0ab3a3tbcWx3xxH4cAFpJHn8nvvafwI-Q78Cjg314VzMJxx0MwqZVj3hSxgJSWTHNQZWXChLZNG26_kopTnRmvQdkH-r8fDhDmVcaBtdljoZt5s-kBx2NJp7kugNWMaCh0j3YYwMY9_U32hoQ--5uSxp9tU_B7zLtAD-n0a0rCj_1LdXx-fca40jxXzC537ZtWSkqdYSioVBx8uyXnEFvPtbS_J0-9fj-tbdv9wc7f-ec-8tKqyzoOOQoiuizEoo6UKaATwqIXnuDVGeYw8WggQVoBebQCDUgJA6Si9lkvy4-Q75fHPHEp1z-OchxbphNBCKg0KPqPAWm5X2gBvFJwon8dScohuyunQTnTA3bEPd-rDtW92xz5c1zTipCmNHXYhv3P-UPQKFvSPWQ</recordid><startdate>20161101</startdate><enddate>20161101</enddate><creator>Hsue, Albert Wen-Jeng</creator><creator>Hao, Tian-Jun</creator><general>Springer London</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope></search><sort><creationdate>20161101</creationdate><title>Comparison on gas bubble and pulse trains of deep-cavity electrical discharge machining with/without rotary ultrasonic assistance</title><author>Hsue, Albert Wen-Jeng ; Hao, Tian-Jun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c385t-9c16f22299ffe57635ea7210f62c0ad775caf0f81e1e41ac5b1ae5521156f3c63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Bubbles</topic><topic>CAE) and Design</topic><topic>Computer-Aided Engineering (CAD</topic><topic>Electric discharge machining</topic><topic>Engineering</topic><topic>Industrial and Production Engineering</topic><topic>Machine shops</topic><topic>Material removal rate (machining)</topic><topic>Mechanical Engineering</topic><topic>Media Management</topic><topic>Original Article</topic><topic>Production planning</topic><topic>Tool wear</topic><topic>Ultrasonic vibration</topic><topic>Wear rate</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hsue, Albert Wen-Jeng</creatorcontrib><creatorcontrib>Hao, Tian-Jun</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering collection</collection><jtitle>International journal of advanced manufacturing technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hsue, Albert Wen-Jeng</au><au>Hao, Tian-Jun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparison on gas bubble and pulse trains of deep-cavity electrical discharge machining with/without rotary ultrasonic assistance</atitle><jtitle>International journal of advanced manufacturing technology</jtitle><stitle>Int J Adv Manuf Technol</stitle><date>2016-11-01</date><risdate>2016</risdate><volume>87</volume><issue>5-8</issue><spage>2153</spage><epage>2164</epage><pages>2153-2164</pages><issn>0268-3768</issn><eissn>1433-3015</eissn><abstract>Fundamental observation of bubbles and debris in deep-cavity electrical discharge machining (EDM) with an ultrasonic spindle aimed at achieving higher machining efficiency is proposed and compared. Various discharge pulse trains for EDM, rotary EDM (R-EDM), ultrasonic vibration-assisted EDM (UA-EDM), and rotary ultrasonic EDM (RU-EDM) are investigated. Their effects on the removal efficiency, machining stability, and the tool wear rate are studied as well. It is found that EDM in deep cavity is actually discharged in the gas bubble most of the time except the short period at the very beginning stage. The main bubble at EDM tool jumping is maintained with a constant volume. And, the volume results in the boundary height of the bubble at the next EDM stroke. In which, ultrasonic vibration of sufficient strength was found to split main bubble quickly and improve the material removal rate at about 49 % through much higher frequency of pulse trains. 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| subjects | Bubbles CAE) and Design Computer-Aided Engineering (CAD Electric discharge machining Engineering Industrial and Production Engineering Machine shops Material removal rate (machining) Mechanical Engineering Media Management Original Article Production planning Tool wear Ultrasonic vibration Wear rate |
| title | Comparison on gas bubble and pulse trains of deep-cavity electrical discharge machining with/without rotary ultrasonic assistance |
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