Tip for Problem 3

During the 10^th Week Practica you will make a plate through injection molding and a tray pattern through thermoforming. Compare these processes to those learned earlier in the course.

This is a thought question. To help you prepare the answer consider the following.

• Read the practica  manual.
• What is thermoforming? What other processes is it similar to?
• How is thermoforming performed in practice?
• What is injection molding? What processes is it similar to?
• How is injection molding accomplished in practice?