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Rotational molding is the art and science of turning plastic powder in useful hollow plastic objects. Swing arm, shuttle, clamshell and "rock-'n-roll" machines are used in the industry to produce objects ranging from plastic beach balls to 20 foot canoes. This PREP site will feature a typical shuttle machine, a typical process cycle, and give the student a range of products that can be expected. It will also give some idea of the sintering process associated with rotational molding. Multi-media including video clips, digital stills and text will |
be used to give the student a virtual tour of this economically important process. For more information about tools for teaching blow molding, contact Dr. Stan Baczek, associate professor of Plastics and Polymer Technology at Penn College. Watch for details of the Plastics Manufacturing Center's Rotational Center of Excellence. |
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photographs |
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| Plastics student Liz Webster, of Montoursville, Pa., prepares to start the rotational molding machine. Click on the image to see a larger view of it. |
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Plastics student Chris Wenner, of Williamsport,
Pa., removes a part from the rotational molding machine. Click on
the image to see a larger view of it.
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| animations |
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The animation shown here is an example of a preliminary
Flash module developed by Ian
R. Harrison at Penn State University
as part of a series on Polymer
Science and Engineering topics covering Properties, Characterization
and Processing.
Contact Prof. Harrison for further details |
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Coming Soon!
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