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Session 1053

Mold Design for Injection Molding: A Successful Industry-University Partnership Case Study

Masud Salimian Advanced Engineering Design Center, Morgan State University

Abstract

In spring semester of 1999, a visit from Black and Decker Power Tool Division to Morgan State University’s School of Engineering and ensuing meetings resulted in establishing a partnership with tremendous success in a number of areas on which the partnership had focused. One of the areas, the mold design for the injection molding machine, was extremely successful and became a model for further work in that area. The project involved the use of the machines, equipment and tools of the Advanced Engineering Design Center (AEDC) with involvement of the Industrial, Manufacturing & Information Engineering program’s graduate and undergraduate students at Morgan State University and the help of faculty and staff. From Black and Decker, polymer engineers and experts, mold designers and machine shop experts were involved.

During the concept development meetings we decided that an actual part would be made for distribution in an upcoming conference. The logo of an upcoming conference was considered and a portion of the logo consisting of an odometer type shape to be developed as a design for a key chain. The requirements for designing and developing the mold for the injection molding process were identified and plans for developing necessary skills were devised. An experienced mold maker from Black and Decker held several sessions with the students to provide them with basic elements of mold design. The faculty held theoretical discussions separately. Additional training was provided on the operation of the Haas VF-2 CNC machining center. Using Mastercam, the appropriate design was developed for the two halves of the mold. The molds were then machined on the CNC machine; mold then was assembled and installed on a Cincinnati Milacron SX-85 injection-molding machine, which successfully produced the key chains. During the development phase, Black and Decker provided expertise in all aspect of the design. Help was provided in selection and acquisition of the polymers, design of the runners and gates, ejection pins and hot stamping of the key chains for an additional color.

Through developing a product from the concept to final product, those involved developed a better sense of understanding and appreciation for complicated manufacturing requirements of a rather simple product. The final product was distributed to all participants of the conference. This paper presents an account of the design process, with emphasizing the lessons learned, things to consider and those to avoid for a successful industry-university partnership.

Proceedings of the 2001 American Society for Engineering Education Annual Conference & Exposition Copyright  2001, American Society for Engineering Education

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Salimian, M. (2001, June), Mold Design For Injection Molding: A Successful Industry University Partnership Case Study Paper presented at 2001 Annual Conference, Albuquerque, New Mexico. 10.18260/1-2--9570