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Continuous Improvement: The Lessons of History (or, There is nothing new under the sun) SCM 352 Dr. Ron Lembke
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Cotton Gin at Work
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Eli Whitney introduced interchangeable parts in large musket contract for U.S. Army Interchangeable parts the true secret of Ford’s success Made possible by advances in measurement and tool steel
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Beginning of Standards iPhone/Android? PC/Mac? Before standardized parts, need Screws 1860s Machine Tool industry: Silicon Valley of its day All screws custom made by tool & die shops according to what they thought best William Sellers: 1864 “On a Uniform System of Screw Threads”
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Sellers vs. Whitworth 3 cutters & 2 lathes vs. 1 cutter & 1 lathe Simple geometry vs. difficult Rounded top vs. straight: ease of manufacturing, ease of assembly
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Not Just What you Know Machine tool makers didn’t want to be commoditized like gun makers The standard people expect to win usually does. Navy Board found it superior, asked Singer Sewing Machine, Baldwin Locomotive which would win (already adopted). Pennsylvania RR adopted (Sellers on the Board) British tanks & trucks couldn’t be repaired in WWII because Britain adopted Whitworth
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Frederick W. Taylor Frederick W. Taylor: Father of “Scientific Management” Find ways to improve work environment and work processes Quantify, measure & track everything: Time required to haul wheelbarrow:
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Factory Life “Schmidt” Taylor’s Factory
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Frank and Lillian Gilbreth Systematically study a work environment and find the best way to achieve a particular task With Taylor, pioneered “industrial engineering” -- time and motion studies “Cheaper by the Dozen”
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Motion Capture Lights illuminate key motion joints For Computer Generation, convert to 3D
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Barry Zito
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Chronocyclegraph light-1914
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Bricklayer
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Typesetter
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Drill Press
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Pencil Holder Color coded slots Groove for grabbing pencil
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Ergonomic chairs
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Andrew Carnegie Telegraph operator to RR division superintendent Adopted latest technology, built first steel plant laid out to optimize flow Focused on knowing, lowering unit cost Raise prices with everyone else in booms, slash prices in recession
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Andrew Carnegie Production: US England 18688,500111,000 19029,138,0001,862,000 Steel Prices: (per ton) 1870$100 1890$12 How? Continuous Process Improvement
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The Richest Man in the World Found out strike organizers, fired before 1886 “Triumphant Democracy”, Forum magazine- workers’ right to unionize 1889 “Gospel of Wealth:” rich need to help the poor ($25m annual income) 1892 Homestead strike: 12 hour gunfight, Pinkerton defeated (12 died), state militia called in, strike breakers hired 1901 sells out to J.P. Morgan: $480m Built 2,500 libraries. “The man who dies rich dies disgraced.” 1919 dies, having given away 90%
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Skibo Castle
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Henry Ford Continuous Process Improvement Advances in metal cutting allowed him to cut pre-hardened steel, produce identical parts Standardized parts facilitated standardization of jobs, moving assembly line Model T: 1908 $850 1920’s: $250
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Ford’s Rouge Plant
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Vertical Integration Owned forests, iron mines, rubber plantation, coal mines, ships, railroad lines Dock facilities, blast furnaces, foundries, rolling mills, stamping plants, an engine plant, glass manufacturing, a tire plant, its own power plant, and 90 miles of RR track 1927 Model A Production begins 15,000,000 cars in 15 years 120,000 employees in WWII
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Details to the Max In his autobiographies “My Life and Work” (1922), and “Today and Tomorrow” (1926), Ford gives great detail on innovations he and his company have made, including: Glass making, Artificial leather Steering wheels out of Fordite heat treating -- saved $36m in 4 years (1922) Forging parts, wiremaking Riveting, bronze bushings, springs
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Managing Workers “It is a reciprocal relation -- the boss is the partner of his worker, the worker is partner of his boss. Both are indispensable.” -- MLAW p. 117
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Paying for Good Employees “One frequently hears that wages have to be cut because of competition, but competition is never really met by lowering wages. The only way to get a low-cost product is to pay a high price for a high grade of human service and to see to it through management that you get that service.” T&T p. 43
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Mindless Work “Repetitive Labour -- the doing of one thing over and over again and always in the same way -- is a terrifying prospect to a certain kind of mind. It is terrifying to me. I could not possibly do the same thing day in and day out, but to other minds, perhaps I might say to the majority of minds, repetitive operations hold no terrors. In fact, to some types of mind thought is absolutely appalling. To them the ideal job is one where their creative instinct need not be expressed.” MLAW p. 103
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Mindless Work When you come right down to it, most jobs are repetitive. A business man has a routine that he follows with great exactness; the work of a bank president is nearly all routine; the work of under officers and clerks in a bank is purely routine. Indeed, for most purposes and most people, it is necessary to establish something in the way of a routine and to make most motions purely repetitive -- otherwise the individual will not get enough done to be able to live off his own exertions. -- MLAW pp 103-4.
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Shigeo Shingo and Toyota Toyota’s quest for Quality Focused on allowing product to flow through the plant as evenly as possible. Kanban and JIT are two important ways to achieve this Continuous process improvement Continuous process improvement 19771989
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The Lessons of History Continuously improving your products, your services is the only way you will survive Ignore your customers, and they’ll go away Those who do not learn from the past are doomed to repeat it.
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