Hello, I'm Subhan Baig


Mechanical engineering student based in Toronto.
Welcome to my online portfolio!

Mechanical Fixture for water-resistant shield application

Component Breakdown (Video)
6 Step Process & functionality (Video)

Summary

The mechnical fixture showcased above is designed to accurately align and apply a plastic water resistant shield (Plastic orange strip) onto a prebuilt mapping module within a defined tolerance. During my internship with veoneer Canada from 2020-2021 I was tasked to create a fixture that would minimize human error and reduce the process timing for a specific manufacturing stage. The mechanical fixture was designed and assembled by me using SolidWorks. The fixture works in 6 simple steps and is specifically designed to be easily operable and understandable by a user. The 6 steps along with the simulation of the fixtures functionality and different components are shown in the videos above. * All parts are designed  by me except the lever system, it's a standard lever taken from a third-party manufacturer *.

PCBA Gauge Block

Showcases all the components of the gauge block and how the PCBA is inserted

Summary 

The mechanical jig showcased above is a gauge block, it is designed to check if a routed PCBA sample is cut to the proper dimensions. It is intended to double-check samples to ensure the router / cutting machine is functioning properly and cutting within the given  tolerance. This is another project I designed during my internship at Veoneer Canada. The design includes multiple features to minimize user error and follows a simplistic design while highlighting all the key components. One of the key components is the step / stair shaped blocks, these are designed to be a poke-yoke feature so the user can only place the PCBA in one orientation. Another feature are the labeled outer walls these indicate where the cuts should be so they are easily identifiable when the PCBA is placed into the Gauge block. The images above and below highlight the gauge block design, a 2-D drawing of the block is also showcased.

The 2-D mechanical drawing completed by me follows strict ISME standards and is made to be easily interpreable by a machinist or machine shop. It highlights all the key components with an emphasis on torelancing. The gauge block is designed to be precise to highlight any errors made by the routing machine when cutting the PCBA.

Gearbox Design For A Windmill Water Pump

The gearbox design project referenced below was completed for a design course as a group effort comprised of 3 people including myself. The purpose of the design project was to design and assemble a fully functional gearbox for a windmill. The 3D design, stress simulations, and assembly were created using SolidWorks. 

The progression towards completion of the 3D design involved hand sketches of the idea , custom designing gears, and performing stress and load analysis on the bearing and gears. Multiple stress simulations had to be performed to determine a suitable material emphasizing the material properties to meet the given criteria. The properties included being durable, malleable, cost-effective and light weight. Creating gears in solidworks using toolbox or performing analysis on different component was unfamiliar for me but allowed me to further expand my knowledge of solidworks and enabled me to self-learn new skills.

The gearbox is comprised of individual components whose dimensions and materials were decided through calculations and trial and error testing. Calculations included gear ratio and gear properties, axial load and bending to determine shaft diameter, and safety factor calculations to determine the bearing ability to support the design.

The following images display the completed 3-D gearbox assembly for the windmill and its placement of all the individual components included.

© 2022 Subhan Baig. subhanb@my.yorku.ca
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