PLAST 251 - Applied Injection Molding

Credits: 3
Lecture Contact Hours: 0.5
Lab Contact Hours: 2.5
Description: This course provides students with the knowledge and hands-on exposure to solve common issues encountered while operating an injection molding machine. Machine control parameters’ effect on a materials processibility and part quality will be investigated. Students set-up processes on the injection molding machines and duplicate industrial standards to obtain the highest quality parts with the shortest possible cycle times. The course will also cover troubleshooting and process optimization.

Prerequisites: PLAST 150.
Corequisites: None.
Recommended: None.

Course Category: Occupational
This Course is Typically Offered: Fall Only
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Course Competencies

Change the mold in an injection molding machine.
Demonstrate knowledge of all control parameters of the injection molding machine.
Demonstrate the effect of back pressure on the molding characteristics of a plastic material.
Measure the melt temperature of a material being molded in an injection molding machine.
Demonstrate the procedure required to seal a gate in an injection molding machine.
Determine the fill pattern of a mold in an injection molding machine.
Determine the amount of cavity imbalance in an injection molding machine multi-cavity mold.
Determine the effect of regrind on the molding characteristic of a plastic material.
Determine the effect of melt temperature on the quality of a molded part.