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The Assembly Line
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Henry Ford American car manufacturer, Henry Ford (1863-1947) invented an improved assembly line and installed the first conveyor belt- based assembly line in his car factory in Ford's Highland Park, Michigan plant, around 1913-14.
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Henry Ford announced his goal for the Ford Motor Company: to create "a motor car for the great multitude." At that time, automobiles were expensive, custom- made machines. Henry Ford
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The Model T Ford's engineers took the first step towards this goal by designing the Model T, a simple, sturdy car, offering no factory options -- not even a choice of color. The Model T, first produced in 1908, kept the same design until the last one -- number 15,000,000 -- rolled off the line in 1927.
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D31384 “You can paint it any color, so long as it's black”
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The assembly line reduced production costs for cars by reducing assembly time. Ford's famous Model T was assembled in ninety-three minutes. From the start, the Model T was less expensive than most other cars, but it was still not attainable for common people.
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Ford realized he'd need a more efficient way to produce the car in order to lower the price. He and his team looked at other industries and found four principles that would further their goal:
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1. Interchangeable Parts: Using interchangeable parts meant making the individual pieces of the car the same every time. That way any valve would fit any engine, any steering wheel would fit any car. This meant improving the machinery and cutting tools used to make the parts. But once the machines were adjusted, a low- skilled laborer could operate them, replacing the skilled craftsperson who formerly made the parts by hand.
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2. Continuous Flow : To improve the flow of the work, it needed to be arranged so that as one task was finished, another began, with minimum time spent in set-up.
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3. Division of Labor: Ford divided the labor by breaking the assembly of the Model T into 84 distinct steps. Each worker was trained to do just one of these steps.
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4. Reducing Wasted Effort: If he brought the work to the workers, they spent less time moving about. Ford called in Frederick Taylor to do time and motion studies to determine the exact speed at which the work should proceed and the exact motions workers should use to accomplish their tasks.
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Ford put these principles into play gradually over five years, fine-tuning and testing as he went along. In 1913, they came together in the first moving assembly line ever used for large-scale manufacturing.
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Ford produced cars at a record-breaking rate. That meant he could lower the price and still make a good profit by selling more cars. Ford had another notion, rather original in its time: the workers were also potential consumers!
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In 1914, Ford workers' wages were raised to $5 a day -- an excellent wage -- and they soon proved him right by buying their own Model Ts. He believed that well-paid workers would put up with dull work, be loyal, and buy his cars.
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Ford's manufacturing principles were adopted by countless other industries. Henry Ford went beyond his 1907 goal of making cars affordable for all; he changed the habits of a nation, and shaped its very character. http://www.pbs.org/wgbh/aso/databank/entries/dt13as.html
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