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Plastic Injection Machine: How to Implement our Software Architecture

Capstone project 2020
Muhammad Rafay Ashfaq (Electrical Engineering) and the team working on their Capstone project.

1. Introduction

For our capstone project, my colleagues and I worked on improving an existing  Plastic Injection Molding Machine from an electrical and mechanical engineering standpoint. Maintaining the machine’s overall vertical layout, an improvement in its usability and performance was required. To improve its user friendliness, The new design includes wall mounting capability with position height control, electric screw jack to provide a force up to 1000N, PID band-heater temperature controllers and a touch interface to operate these systems. Unfortunately due to COVID-19 restrictions, we were unable to implement the screw-jack feature but you will find it in the schematics and it is an important part of the overall design. 

This blog post will provide you with instructions on how to set up your very own injection machine electrical architecture based on our redesign and give you an understanding of how the different components come together to operate as one.


3D model of the designed injection machine. Continue reading “Plastic Injection Machine: How to Implement our Software Architecture”

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Design of a plastic injection machine – Engineering Capstone project 2020

The three engineering students Kazi Owais Ahmed (Mechanical Engineering), Muhammad Rafay Ashfaq (Electrical Engineering) and Hamza Haider (Electrical Engineering) worked on their new design for a plastic injection machine.

The goal of the group project was to further develop the mechanical and electrical engineering aspects of the Precious Plastic injection machine V02 which enables users to manually inject melted plastic into a mold to create plastic objects. For this capstone project, the group implemented features like a touch screen with integrated user interface to access and control the movement of an integrated electric screw jack. This system enables the user to operate a piston handsfree. A new heating system was successfully designed and implemented. The blueprints and schematics will be published on this website – stay tuned!