What is Washing machine: Definition and 36 Discussions

A washing machine (laundry machine, clothes washer, or washer) is a home appliance used to wash laundry. The term is mostly applied to machines that use water as opposed to dry cleaning (which uses alternative cleaning fluids and is performed by specialist businesses) or ultrasonic cleaners. The user adds laundry detergent, which is sold in liquid or powder form, to the wash water.

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  1. Z

    Understanding Electric Shock in Floating-Neutral and Floating-Ground Scenarios

    Hello, let's say the AC generator and the washing machine, with a live metal frame due to a fault, are floating-neutral and floating-ground. These are many combinations where both get and get not bonded/grounded. Can anybody tell us in which case the person gets an electric shock when touches...
  2. S

    Washing machine - centripetal force

    During summer i wash light items - t-shirts, boxer shorts and low-cut socks, washing machine is just 1/4 full and it cant balance during spin properly. During winter with bigger items there is no such problem. So i was wondering, could a temporary solution be to just use some kind of basket...
  3. S

    Appliances Neutral drain function in washing machines

    It would be interesting to me (but not essential) to see a visual explanation of how the gear case in a Whilepool/Kenmore direct drive washer implements the neutral drain function. The neutral drain function is a period of time when the washer is pumping out water but not spinning or...
  4. thomas_shvekher

    Newton's First Law to explain Washing Machine Spin Cycle

    I truly am not sure. I assume it is that because everything has inertia, an a tendency to remain in a constant state of motion, when the clothes are quickly spun around they cannot remain in a constant state of motion (of either rest or constant velocity), but the water is "pushed"/spun out of...
  5. Z

    Angular deceleration of a washing machine spin cycle

    6.0 rev - 1 s 1 rev - 1/6 5.0 rev - (1/6) x 5 = (5/6) s = 0.833 s I do not know how to calculate the angular acceleration
  6. kyphysics

    Could New Washing Machine Be Damaged by Delivery Guy?

    When our new washing machine was delivered, the delivery/installation guy ran a "test wash" cycle. I did not look inside the machine when he did this, as I stood to the side. After the test cycle finished, he left and I assumed all was good, b/c he said it worked. I could, of course, hear...
  7. S

    Convert 1 phase to 3 phase by using an old washing machine

    We were in the process of going off grid when a tree fell over our power line. Hence we got off grid before we were ready as we didn't want to repair the power line. Now everything in the house runs on solar power, except for the well pump. The problem with the well pump is that it is a 3 phase...
  8. kyphysics

    Do You Call a Plumber if Washing Machine is Dripping Water in Tub?

    Two questions: 1.) If you have a washing machine that is dripping water into the tub (no leaks outside that I can see), would that typically be a problem that plumbers are called for or some other sort of repair/handyman/technician? 2.) Anyone know what's up with mine? IT WAS WORKING FINE...
  9. Y

    Comp Sci How does a washing machine make use of digital electronics?

    I know what Boolean algebra and logic gates are, but I am having a hard time to describe how washing machines operate on digital electronics. Here's my attempt 'Washing machine have various functions like different cycle settings for various temperatures or cycle duration, or a delayed start...
  10. Caw

    Centripetal force problem involving a washing machine

    Summary:: Just want to know if I'm on the right track with this question. Hi, so this is what I have for my assignment: A washing machines drum is rotating rapidly about a vertical axis (a so-called toploader). A wet sock is stuck on the inside, halfway up the drum, and the drum begins to slow...
  11. MotoMike

    Study of an unbalanced washing machine

    the washer is a front loading type with axle of the drum going from the center of the front door to the back of the washer. the axle is close to horizontal. the pedestal is made for the washers and has a drawer in the bottom. the washer is firmly attached to the pedestal, essentially bolted...
  12. O

    Analytical mathematical modeling of the torque caused by the laundry

    Hello my dear physicists, I'm trying to model the varied generated (needed)Torque to rotate a washing machine Drum during a Washing Process so i assumed that the Model has as Input the target vilocity and as an Output the new needed torque to rotate the Drum(to be as a input for the motor...
  13. B

    How to measure water flowing from a washing machine pump?

    Hi all Am trying to find a way to measure the vol/time flow of water from the washing machine. Is there an electronic component that can be used like a coil of copper wire over the tube and the do something with a microcontroller perhaps and it figures out much flow? by electromagnetic...
  14. F

    I Reynolds number of washing machine like object

    What would the reynolds number be for a closed pipe spinning like a washing machine? would the characteristic length be the diameter... if so why. Everything I have read is so vauge on this. How can I determine it for strange situations? Can I skip it and figure out if flow is laminar or...
  15. OS_Dad

    Salvaged Washing Machine Motor to Power Chicken Plucker

    Hi Folks, I came across this knowledgeable site through Google. What I am trying to do is use a salvaged Whirlpool 2 speed washing machine motor to power a chicken plucker I an making. The original switch crapped out on me and I am now trying to wire the motor directly to a simple on/off...
  16. marcophys

    What lives in washing machines and eats aluminium alloy?

    The washing machine stopped spinning, so I dismantled it. Here's what I found: I'm thinking it might have become a big battery, as the steel drive shaft was embedded in the alloy drive bracket, which in turn had 6 studs bolting it to the stainless steel drum. It was all enclosed in the sealed...
  17. M

    Detecting Washing Machine Drum Out Of Balance Limits

    I am a noobie and I am not really sure this is the right forum to post to, so please excuse me if I am posting in the wrong place. I had considered General Physics and Classical Physics, but I hope I have made my best choice and I don't think it is acceptable to post in more than one forum...
  18. hawaiibrewer

    Trying to Wire a Washing Machine Motor To Power a Grain Mill

    Aloha, I'm new here and stumbled across this site in my attempt to salvage a whirlpool washer motor to repurpose as a motor to grind barley to make my beer. Until now, I just used a hand crank and decided it's time to modernize. I just salvaged a nice looking, 3 speed, 1/2 hp motor from a...
  19. UMath1

    Centripetal Force Washing Machine

    I know that the centripetal force is the resultant force which points to the center. So in the case of a washing machine, what force pushes the clothes and water to the outer edge? There is not centrifugal force, but then how come all the clothes appear to get pushed to the circumference of the...
  20. L

    Build electric washing machine from saw motor

    Hi everybody, I've been trying to find instructions on how to build an electric washing machine but am not having any luck! I found non-electric manual operated makeshift washers, but I need something with a little more oomph! The closest thing I've found is someone made a power saw from a...
  21. M

    What is the Acceleration (on Drum of Dancing Washing Machine?

    I have bought a washing machine on sale. It is rated at: Its gross weight with clothes and water=100kg, At least 50kg of the machine's weight is due to concrete blocks attached to the inner drum. Max Centrifuging Speed=1400rpm, Max Clothes load=7kg. It dances(when taken for a spin, that is.)...
  22. sunergeo

    Determining correct wiring for an old washing machine motor

    I have an old washing machine that finally bit the dust, so I've decided to attempt several projects with its remains. I want to try to make a mechanical chicken plucker using the tub and motor. I've disassembled and salvaged all the useful parts and scrap metal, but when it got down to trying...
  23. N

    Washing machine gate opener

    Hello Guys, Can I use a washing machine's motor in a sliding gate opener project ?
  24. R

    Washing machine drain pump motor type

    Hi guys! recently I have changed my washing machine drain pump (looks like this http://www.yourspares.co.uk/parts/ys140670/universal-askoll-washing-machine-magnet-motor-pump-C00273407.aspx) and I am just curious what type of the motor is used? There is like a transformer on the back but there...
  25. Evo

    Man Puts Toddler in Washing Machine and Turns it On

    What on Earth are these people thinking? http://shine.yahoo.com/parenting/worst-parent-week-dad-puts-toddler-washing-machine-183500809.html
  26. P

    Proper Wiring of Old Washing Machine Motor

    I recently purchased an old small drill press. It hosts a retasked old washing machine motor as the power source. Only problem is that the wiring was snafu, and I could use some help with that. This is a FSP motor, 115 volt 1725 rpm, 1/3 horsepower. The motor input wiring are to a set of...
  27. T

    Washing machine motor soap extruder

    Hello I am trying to start a small home business making soap. I am on a really tight budget and also very new to the extrusion process. While I may be extruding soap, I understand that the process is very similar to plastic extrusion. I want to extrude soap bars using a machine...
  28. G

    Centripetal force discussion question (Washing machine).

    Note: This discussion question is from my University Textbook, as it so happens you can only get the solutions to half of the odd numbered exercise questions... :grumpy: Disclaimer: I have been trying to wrap my head around this answer for a good 5 hours now, so it's not like I'm coming here...
  29. I

    What to do with a washing machine motor?

    Hello all. Today I salvaged the electric motor out of a washing machine that was being thrown out. It is in perfect working order. As a budding mechanical engineer, (I am still in school, applying to universities just now) I would love to do something useful and fun with it. Anybody have any...
  30. A

    Artificial gravity in a washing machine

    Homework Statement If a washing machine's drum has a radius of 26 cm and spins at 4 rev/s, what is the strength of the artificial gravity to which the clothes are subjected? Express your answer as a multiple of g. Homework Equations w = distance/time w= (angular velocity) The...
  31. S

    Upright Washing Machine - Why no shaking during final spin cycle?

    Hello all As anyone with a front-loading washing machine knows, watching them in action can be great entertainment. Well, I was bored tonight and did just that. During the final spin cycle, the drum spins really, really fast (not too sure how many rpm) to wring most of the water out of the...
  32. E

    Washing Machine Hazard Rate Problem

    Homework Statement The number of years that a washing machine functions is a random variable whose hazard rate function, h(t), is given by - 0.2 if 0 < t < 2 - 0.2 + 0.3(t - 2) if 2 <= t <= 5 - 1.1 if t > 5 If the washing machine is still working six years after being purchased, what...
  33. ~christina~

    How many revolutions does a washing machine tub make during a spin cycle?

    [SOLVED] Washing Machine revolution Homework Statement A tub of a washing machine goes into it's spin cycle , starting from rest and gaining angular speed steadily for 8.00s, at which time it is turning at 5.00rev/s. At this point the person doing the laundry opens the lid and a safety...
  34. B

    Static Friction of a washing machine

    Here is my problem, A washing machine has a weight of 975 N. It requires a minimum force of 350 N to move it along a tile floor. What is the coefficient of static friction between the washing machine and the tile floor? This is the equation I used to find the coefficient of static friction...
  35. M

    Can you wash sneakers in a washing machine?

    Can u wash sneakers in a washing machine?? I have no clue how to wash shoes. Staying by myself is sooo damn hard... :mad: Is it ok if i just dump them in a washing machine.. some people say i should but others say its a really dumb idea.
  36. T

    Rotational motion of a washing machine

    Hi everyone….well I have just started to learn about rotational motion, therefore, I am really confused so I have two different problems that I need help on. 1.) Q: A washing machine goes into the “spin cycle”. From rest the washer starts rotating, gaining 1 rev/sec of rotational velocity...
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