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Visiting the EV Teardown Titan

In Season Three, Episode One of the IMTS+ Original Series "Manufacturing Explorers," Max and Travis Egan explore Munro & Associates, dissecting EV car components to learn about electric vehicle design, from bodies to batteries.
Oct 03, 2023

To build things better, sometimes you need to tear them down,鈥痑nd there鈥檚 no one better than Sandy Munro, known as the 鈥淭eardown Titan.鈥 Munro and his team of lean manufacturing experts at have deconstructed every almost EV on the market. They share their findings on the 鈥溾 YouTube channel, which has 515 videos and 383,000 subscribers. OEMs contract with Munro for its services to learn how to increase product value, quality, and profit through better engineering and assembly. 

In Season Three, Episode One of the 鈥,鈥 brought to you by , Munro walks my son Max and me through rows upon rows of disassembled EV car bodies, motors, transmissions, and batteries. We learn the good, the bad, and the lean of EV design, starting with Tesla Model 3. Munro & Associates took the car to pieces in 2017.  

鈥淲hen we tore it apart, I was very, very unhappy. The fastening was ridiculous,鈥 says Munro. The Model 3 used more than 120 parts and fasteners, four different fastening methods, and three different materials. It resembled a science experiment. 

By 2020 and the Model Y, the parts count was down to two large castings plus a plastic liner cover, two straps with 40 fasteners, and used all aluminum. Eight months later, another iteration came out. 鈥淭his Model Y has a single aluminum casting. Consequently, even though aluminum is more expensive than steel, when you look at total accounted cost, this Model Y was cheaper than the Model 3 and its 120 parts.鈥  

After looking at EV bodies, we focused on electric motors and transmissions. 鈥淚 was really curious about the manufacturing process,鈥 says Max. 鈥淭he size and power difference between an electric motor and an internal combustion engine is surprising.鈥  

鈥淭he cost and weight of an EV motor is practically dirt compared to even the most efficient internal combustion engine,鈥 says Munro. He also notes that EVs require just a fraction (perhaps 1/20th) of the manufacturing space. 

To conclude the Episode, we examined a deconstructed Model Y battery. Rather than one giant battery, it is made up of 4,680 palm-sized 鈥渃ans鈥 embedded in fire-resistant pink foam.  

 鈥淚 loved learning why Munro deconstructed these cars so clients can learn how to improve and lower cost,鈥 says Max.  

See how the Teardown Titan tears down to build back better in Seasons Three, Episode One of 鈥淢anufacturing Explorers,鈥 an , on IMTS.com. But don鈥檛 stop there 鈥 continue your own exploration of innovation by catching Seasons One and Two as well as dozens of other shows and articles. IMTS+ is a treasure trove celebrating our vibrant manufacturing technology community.  

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Author
Travis Egan
Chief Revenue Officer
Recent technology News
Manufacturing is the process of transforming raw materials into something with value. When you add a fervor for art, a keenness for progress, or a desire to help, you get a passion project.
It is the quintessential event that brings our industry together 鈥 whether it鈥檚 the moment they walk into the Grand Concourse, captivated by the energy of the vibrant crowd, or the enduring relationships they build.
IMTS 2024 brought the manufacturing technology community together for six exhilarating days filled with opportunities to explore new solutions and build meaningful connections.
From industry icons to next-generation innovators, presenters on the IMTS+ Main Stage shared a common conviction that the future of the manufacturing industry is limited only by imagination 鈥 and there is no shortage of that.
IMTS is the exclusive North American event to discover the latest technologies, hear new ideas, and connect with the best and brightest in the industry. If you couldn鈥檛 make this time, or to get a refresher on the highlights, read on鈥
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