Virginia Commonwealth University VCU Scholars Compass Capstone Design Expo Posters College of Engineering 2016 Method of Mold Release from Process Equipment Craig Paris Virginia Commonwealth University Jason Marshall Virginia Commonwealth University Trae Fuller Virginia Commonwealth University Follow this and additional works at: https://scholarscompass.vcu.edu/capstone Part of the Chemical Engineering Commons © The Author(s) Downloaded from https://scholarscompass.vcu.edu/capstone/131 This Poster is brought to you for free and open access by the College of Engineering at VCU Scholars Compass It has been accepted for inclusion in Capstone Design Expo Posters by an authorized administrator of VCU Scholars Compass For more information, please contact libcompass@vcu.edu Team Members: Craig Paris, Jason Marshall, Trae Fuller Faculty Adviser: Dr Bennett C Ward Sponsor: Church & Dwight Co., Inc Sponsor Mentor: Brad Drum Method of Mold Release from Process Equipment Background Issues: • Separation of a mold and spindle, the sponsor destroys the glass molds around the spindle piece in order to retrieve the spindle for reuse If grommets are damaged, they are discarded and replaced • Grommets are relatively inexpensive to replace Conclusion Average Torque Required for Mold Removal • The mechanical puller prototype was successful in removing the spindles from the glass molds A production ready device was built and installed by the sponsor 70 65 60 Average Torque • Approximately 3,300 molds/year are destroyed Replacement molds are expensive (~$30/per) Data Analysis 55 50 45 40 35 30 25 Objective: • Build, test, and certify a commercial device to remove glass molds from spindles without damage occurring to the either piece of equipment Molds Without Lubricant After Enduring Operation Cycle Newly Assembled Molds Without Lubricant Newly Assembled Molds with LPS Dry Film Silicone Lubricant • Investigation Lubrication: • Investigate dry and oil-based lubricants Test friction coefficient, torque requirements Mechanical Puller: • Design and develop a mechanical device that uses rotational torque (pound force-inch) to extract the glass mold from the spindle 7.0 • Roughly $13,000/year of total cost saved in materials and wages • Grommet modification and lubricants were not cost effective and robust 6.0 Coefficient of Friction Grommet: • Compare grommets of different composition to the original Test friction coefficient, torque requirements, surface area modification Coefficients of Friction for Rubber Grommets and Lubricants The torque range for the molds were established during extraction 5.0 • If the torque requirements were above or below the range, risk of damage to the molds or the equipment were noticed 4.0 3.0 2.0 Acknowledgements 1.0 0.0 Silicone SBR Dry With LPS Dry Film Lubricant Nitrile • Dr Wei Zhang of PEG LLC • Kelly Shelton, Lucas Puetz, and Adi Jakupovic from The Shop VA, LLC • The employees of Church & Dwight Co., Inc ... Inc Sponsor Mentor: Brad Drum Method of Mold Release from Process Equipment Background Issues: • Separation of a mold and spindle, the sponsor destroys the glass molds around the spindle piece... damage occurring to the either piece of equipment Molds Without Lubricant After Enduring Operation Cycle Newly Assembled Molds Without Lubricant Newly Assembled Molds with LPS Dry Film Silicone Lubricant... 3,300 molds/year are destroyed Replacement molds are expensive (~$30/per) Data Analysis 55 50 45 40 35 30 25 Objective: • Build, test, and certify a commercial device to remove glass molds from