WMachine_LapWoonK
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Transcript of WMachine_LapWoonK
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How a Washing Machine WorksLapWoon Keung2005
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What is a Washing MachineA washing machine is an machine that washes clothes, linen
Was made to help wash clothes easier
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Steps to Cleaning Clothes
Decide on: Load size (small, medium, large, x-large)TempHow machine should agitateTime
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Steps to Cleaning ClothesFill tub with clothes; Fills with water; Agitator starts to spin;After agitating Drains waterSpins clothesRefills; agitates more Drains Spins more.
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History of the Machine that Washes Before washing machines people cleaned clothes in the stream Then its beat with rocks or they scrubs clothes clean on a washboard.
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History of the Machine that Washes
First electronic: American - Alva J. Fisher - 1901Had Electronic vertical-tube machine with built-in turbo washers or Vertical axle fitted with blade.
Alva J. Fisher - Thor
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History of Washing MachineReplaced steam boiler and the washtub; wooden bins that was filled with soap hot water
First mechanical washing machine used heavy blades
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History of Washing Machine
Principle of tossing clothes inside in a rotating cylinderUsed in 1850 in a English laundry.Used in 1840 by the French: Industrial model, double sheathing, 4 compartments, driven by a crank.
1915 Crank to turn agitator
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Inside of a Washing MachineTwo Steel TubsOuter = Seals water. Mounted so that inner can move without banging.Inner = Holds clothes and with the agitator in the middle with holes around the side of the tub. Attached to gearbox
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Inside a Washing MachineThere are 3 pulleyOne side of frame moves upOther side frame goes downHas Damping SystemUses friction to absorb force of the dangling pulleys
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Inside a Washing MachineEach four corner has mechanism that:Works like disc brakeAttached to springSqueeze two pads against metal plateAttached to black frame
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PlumbingJobsFills washing machine with correct temperature of waterRe-circulate water from bottom of the wash tub back to the top, during wash cycle
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PlumbingHook for two water lines on backCold HotHooked to the body of the solenoid valveSolenoid valveFeed into a single hoseHot valve, cold valve or both valve will open
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PlumbingBefore hose release water into tub, it is send through anti-siphon devicePrevent water from being sucked back into the water lineWhite plastic device has big opening that allows air inSuction would only get air, not water
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PlumbingWater InletWater enters that wayNozzle to the right: Overflow portConnected to pipes that dump water onto floorGoes to floor instead of the tub and motor
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PumpRe-circulates water and drains itHas 2 separate pump in oneBottom half: Hooked to drain lineTop half: Re-circulates wash water
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PumpVanes of the bottom layer of the pump: Push water around
The pump can reverse directionSpins different way while doing different jobs.
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Pump Clutch is hooked up to pump Drain hose loops all the way to the top of machine One end is hooked to bottom of tub Open to atmosphere
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Drive Mechanism
A piece of rubber seals the outer tub to the gearboxHas 2 jobsAgitate clothes: Moving them back and forth inside tubSpin Tub to force water out
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Inside the GearboxPulleyPie-shaped gears has link on itWasher goes to spin cycle - locks up, everything spins at same speedGears - angled teeth
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ControlCycle switchSpeed and temp. control switchWater level control switch plumbingDesigned before micro-controllers were being used in appliances
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About MeI love music, especially hardcore metal rock. Some bands are: Ill Nino, Dragpipe, Bush, Boiler Room, Brand New, Motograter, Project 86, Powerman 5000, Drowning Pool, Full Devil Jacket, Puya, Adema, Clutch, Coal Chamber, The F-Ups, The Kittie, Korn, SOAD, The Union Underground, Sworn Enemy and Mushroom Head, plus more.The Union UndergroundBrand NewDragpipeIll NinoBoiler RoomMotograterProject 86Powerman 5000KORN
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BibliographyWashing Machine. The World Book Encyclopedia. 2003ed.Walerie-Anne Giscard dEstaing. The Second World Almanac Book of Invention. New York; Pharos Book, 1986.Karim Nice. How Washing Machine Work. How Stuff Works. 1998-2005. How Stuff Works. May 3, 2005