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I refer to it occasionally since I toured it once upon a time but General Motors built a new assembly factory near Lansing, Michigan that was the most advanced facility in the world at the time.

It's 320,000 sq. meters and employs about 3,800 people across three shifts, so call it 1,300/shift to make the math easy. That's about 1 employee per 250 sq. meters. Except that the machines and robots that build the modern world are enormous. They take up a huge percentage of the area of the factory.

The work that the humans actually performed was typically in small teams of 4-5 people as they wound cabling through the frame, ensured everything was aligned properly, performed a few welds that their 5-axis welders couldn't efficiently reach, etc. It was fascinating to see where the robotic investment wasn't worth it at the time.



I find the fact that some of these jobs are still not effective to be done by robots fascinating. At what point will we automate those jobs as well? Is it just the cost/benefit ratio is wrong currently? I cannot believe that it's strictly impossible to make a robot that can do all those task.


At the time, most of the human workers were doing things that required significant dexterity beyond the ability of the robots.

Taking a wiring harness;

https://i.imgur.com/H3XVf92.png

Routing it through the firewall and then making a dozen connections is simple for a worker, but extremely complex for a robot.

That factory was turning out 1 car/minute, so the $30/hr guy plugging harnesses in would add maybe $0.50 to the cost of the car? When you're selling vehicles with MSRPs over $40k (this was a large SUV assembly facility), the threshold for automating something is higher than you might expect.




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