Quantitative study of shrinkage and warpage behavior for microcellular and conventional injection molding
This research investigated the effects of processing conditions on the shrinkage and warpage (S&W) behavior of a box‐shaped, polypropylene part using conventional and microcellular injection molding. Two sets of 26‐1 fractional factorial design of experiments (DOE) were employed to perform the e...
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| Veröffentlicht in: | Polymer engineering and science 2005-10, Vol.45 (10), p.1408-1418 |
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| creator | Kramschuster, Adam Cavitt, Ryan Ermer, Donald Chen, Zhongbao Turng, Lih-Sheng |
| description | This research investigated the effects of processing conditions on the shrinkage and warpage (S&W) behavior of a box‐shaped, polypropylene part using conventional and microcellular injection molding. Two sets of 26‐1 fractional factorial design of experiments (DOE) were employed to perform the experiments and proper statistical theory was used to analyze the data. After the injection molding process reached steady state, molded samples were collected and measured using an optical coordinate measuring machine (OCMM), which had been evaluated using a proper R&R (repeatability and reproducibility) measurement study. By analyzing the statistically significant main and two‐factor interaction effects, the results show that the supercritical fluid (SCF) content (nitrogen in this case, in terms of SCF dosage time) and the injection speed affect the S&W of microcellular injection molded parts the most, whereas pack/hold pressure and pack/hold time have the most significant effect on the S&W of conventional injection molded parts. Also, this study quantitatively showed that, within the processing range studied, a reduction in the S&W could be achieved with the microcellular injection molding process. POLYM. ENG. SCI., 45:1408–1418, 2005. © 2005 Society of Plastics Engineers |
| doi_str_mv | 10.1002/pen.20410 |
| format | Article |
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Two sets of 26‐1 fractional factorial design of experiments (DOE) were employed to perform the experiments and proper statistical theory was used to analyze the data. After the injection molding process reached steady state, molded samples were collected and measured using an optical coordinate measuring machine (OCMM), which had been evaluated using a proper R&R (repeatability and reproducibility) measurement study. By analyzing the statistically significant main and two‐factor interaction effects, the results show that the supercritical fluid (SCF) content (nitrogen in this case, in terms of SCF dosage time) and the injection speed affect the S&W of microcellular injection molded parts the most, whereas pack/hold pressure and pack/hold time have the most significant effect on the S&W of conventional injection molded parts. Also, this study quantitatively showed that, within the processing range studied, a reduction in the S&W could be achieved with the microcellular injection molding process. POLYM. ENG. SCI., 45:1408–1418, 2005. © 2005 Society of Plastics Engineers</description><identifier>ISSN: 0032-3888</identifier><identifier>EISSN: 1548-2634</identifier><identifier>DOI: 10.1002/pen.20410</identifier><identifier>CODEN: PYESAZ</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>Analysis ; Applied sciences ; Cellular ; Exact sciences and technology ; Forms of application and semi-finished materials ; Injection molding ; Injection moulding ; Machinery and processing ; Moulding ; Plastics ; Polymer industry, paints, wood ; Polymer melts ; Polymers ; Supercritical processes ; Technology of polymers ; Viscosity</subject><ispartof>Polymer engineering and science, 2005-10, Vol.45 (10), p.1408-1418</ispartof><rights>Copyright © 2005 Society of Plastics Engineers</rights><rights>2006 INIST-CNRS</rights><rights>COPYRIGHT 2005 Society of Plastics Engineers, Inc.</rights><rights>Copyright Society of Plastics Engineers Oct 2005</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5410-c96d08a3e549f380caa2b3f7d1a665537da9cdcd6c69419263800329f7893ca13</citedby><cites>FETCH-LOGICAL-c5410-c96d08a3e549f380caa2b3f7d1a665537da9cdcd6c69419263800329f7893ca13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fpen.20410$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fpen.20410$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17175576$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Kramschuster, Adam</creatorcontrib><creatorcontrib>Cavitt, Ryan</creatorcontrib><creatorcontrib>Ermer, Donald</creatorcontrib><creatorcontrib>Chen, Zhongbao</creatorcontrib><creatorcontrib>Turng, Lih-Sheng</creatorcontrib><title>Quantitative study of shrinkage and warpage behavior for microcellular and conventional injection molding</title><title>Polymer engineering and science</title><addtitle>Polym Eng Sci</addtitle><description>This research investigated the effects of processing conditions on the shrinkage and warpage (S&W) behavior of a box‐shaped, polypropylene part using conventional and microcellular injection molding. Two sets of 26‐1 fractional factorial design of experiments (DOE) were employed to perform the experiments and proper statistical theory was used to analyze the data. After the injection molding process reached steady state, molded samples were collected and measured using an optical coordinate measuring machine (OCMM), which had been evaluated using a proper R&R (repeatability and reproducibility) measurement study. By analyzing the statistically significant main and two‐factor interaction effects, the results show that the supercritical fluid (SCF) content (nitrogen in this case, in terms of SCF dosage time) and the injection speed affect the S&W of microcellular injection molded parts the most, whereas pack/hold pressure and pack/hold time have the most significant effect on the S&W of conventional injection molded parts. Also, this study quantitatively showed that, within the processing range studied, a reduction in the S&W could be achieved with the microcellular injection molding process. POLYM. ENG. SCI., 45:1408–1418, 2005. © 2005 Society of Plastics Engineers</description><subject>Analysis</subject><subject>Applied sciences</subject><subject>Cellular</subject><subject>Exact sciences and technology</subject><subject>Forms of application and semi-finished materials</subject><subject>Injection molding</subject><subject>Injection moulding</subject><subject>Machinery and processing</subject><subject>Moulding</subject><subject>Plastics</subject><subject>Polymer industry, paints, wood</subject><subject>Polymer melts</subject><subject>Polymers</subject><subject>Supercritical processes</subject><subject>Technology of polymers</subject><subject>Viscosity</subject><issn>0032-3888</issn><issn>1548-2634</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp1kV1v0zAUhiMEEmVwwT-IkLjgIp0dx4l9OVVjTNoG4_PSOvNH5s61i5109N_PWQsIqciyfGQ976v3nFMUrzGaY4Tq47X28xo1GD0pZpg2rKpb0jwtZgiRuiKMsefFi5SWKLOE8llhr0fwgx1gsBtdpmFU2zKYMt1G6--g1yV4Vd5DXE_1jb6FjQ2xNPmurIxBaudGB_ERk8FvdDYLHlxp_VLLqS5XwSnr-5fFMwMu6Vf796j49v706-JDdfHx7HxxclFJmmNXkrcKMSCaNtwQhiRAfUNMpzC0LaWkU8ClkqqVLW8wz-2xqTduOsaJBEyOijc733UMP0edBrEMY8yRkqgxa2uGCMlQtYN6cFpYb8IQQfba6wgueG1s_j7BpOMYczrx8wN8PkrnORwUvPtHkJlB_xp6GFMS518-H2TzQFOK2oh1tCuIW4GRmLYq8lbF41Yz-3bfHSQJzkTw0qa_gg53lHZt5o533H0Otv2_ofh0evXbeT8Sm3LSPwqId6LtSEfFj6szwfH3RcMumbgmD7fjvsc</recordid><startdate>200510</startdate><enddate>200510</enddate><creator>Kramschuster, Adam</creator><creator>Cavitt, Ryan</creator><creator>Ermer, Donald</creator><creator>Chen, Zhongbao</creator><creator>Turng, Lih-Sheng</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Wiley Subscription Services</general><general>Society of Plastics Engineers, Inc</general><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>ISR</scope><scope>3V.</scope><scope>7SR</scope><scope>7XB</scope><scope>88I</scope><scope>8AF</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>L6V</scope><scope>M2O</scope><scope>M2P</scope><scope>M7S</scope><scope>MBDVC</scope><scope>P5Z</scope><scope>P62</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>Q9U</scope><scope>S0X</scope></search><sort><creationdate>200510</creationdate><title>Quantitative study of shrinkage and warpage behavior for microcellular and conventional injection molding</title><author>Kramschuster, Adam ; Cavitt, Ryan ; Ermer, Donald ; Chen, Zhongbao ; Turng, Lih-Sheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5410-c96d08a3e549f380caa2b3f7d1a665537da9cdcd6c69419263800329f7893ca13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Analysis</topic><topic>Applied sciences</topic><topic>Cellular</topic><topic>Exact sciences and technology</topic><topic>Forms of application and semi-finished materials</topic><topic>Injection molding</topic><topic>Injection moulding</topic><topic>Machinery and processing</topic><topic>Moulding</topic><topic>Plastics</topic><topic>Polymer industry, paints, wood</topic><topic>Polymer melts</topic><topic>Polymers</topic><topic>Supercritical processes</topic><topic>Technology of polymers</topic><topic>Viscosity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kramschuster, Adam</creatorcontrib><creatorcontrib>Cavitt, Ryan</creatorcontrib><creatorcontrib>Ermer, Donald</creatorcontrib><creatorcontrib>Chen, Zhongbao</creatorcontrib><creatorcontrib>Turng, Lih-Sheng</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Gale In Context: Science</collection><collection>ProQuest Central (Corporate)</collection><collection>Engineered Materials Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Research Library</collection><collection>Science Database</collection><collection>Engineering Database</collection><collection>Research Library (Corporate)</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>ProQuest Central Basic</collection><collection>SIRS Editorial</collection><jtitle>Polymer engineering and science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kramschuster, Adam</au><au>Cavitt, Ryan</au><au>Ermer, Donald</au><au>Chen, Zhongbao</au><au>Turng, Lih-Sheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Quantitative study of shrinkage and warpage behavior for microcellular and conventional injection molding</atitle><jtitle>Polymer engineering and science</jtitle><addtitle>Polym Eng Sci</addtitle><date>2005-10</date><risdate>2005</risdate><volume>45</volume><issue>10</issue><spage>1408</spage><epage>1418</epage><pages>1408-1418</pages><issn>0032-3888</issn><eissn>1548-2634</eissn><coden>PYESAZ</coden><abstract>This research investigated the effects of processing conditions on the shrinkage and warpage (S&W) behavior of a box‐shaped, polypropylene part using conventional and microcellular injection molding. Two sets of 26‐1 fractional factorial design of experiments (DOE) were employed to perform the experiments and proper statistical theory was used to analyze the data. After the injection molding process reached steady state, molded samples were collected and measured using an optical coordinate measuring machine (OCMM), which had been evaluated using a proper R&R (repeatability and reproducibility) measurement study. By analyzing the statistically significant main and two‐factor interaction effects, the results show that the supercritical fluid (SCF) content (nitrogen in this case, in terms of SCF dosage time) and the injection speed affect the S&W of microcellular injection molded parts the most, whereas pack/hold pressure and pack/hold time have the most significant effect on the S&W of conventional injection molded parts. Also, this study quantitatively showed that, within the processing range studied, a reduction in the S&W could be achieved with the microcellular injection molding process. POLYM. ENG. SCI., 45:1408–1418, 2005. © 2005 Society of Plastics Engineers</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><doi>10.1002/pen.20410</doi><tpages>11</tpages></addata></record> |
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| subjects | Analysis Applied sciences Cellular Exact sciences and technology Forms of application and semi-finished materials Injection molding Injection moulding Machinery and processing Moulding Plastics Polymer industry, paints, wood Polymer melts Polymers Supercritical processes Technology of polymers Viscosity |
| title | Quantitative study of shrinkage and warpage behavior for microcellular and conventional injection molding |
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