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Thread Number: 87487
/ Tag: Modern Automatic Washers
Cost of Suspension |
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Post# 1120432 6/16/2021 at 07:31 (1,036 days old) by chetlaham  (United States) |
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Post# 1120433 , Reply# 1 6/16/2021 at 07:57 (1,036 days old) by Launderess (Quiet Please, There´s a Lady on Stage) |
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Quite a lot I shouldn't wonder. It is one reason h-axis washing machines cost more than top loaders with a central beater.
At basic level if you left out extraction (as all early h-axis washers did), money goes into making them water tight, etc.... But designing various suspension systems and putting them to use cost money. Remember Bendix tied up the market for years due to their patents for h-axis washing machines. If anyone else wanted to design such a machine they either had to pay money to Bendix to license their patents, or work out some other new way themselves. You have cheaper suspension systems with just four springs, concrete weight on top of tub, and two shocks. Or, there's Miele's famous cast iron cradle (instead of concrete), shocks, springs, etc... Asko like many commercial machines with with four shocks instead of two, etc... In any event you want something robust because suspension system must withstand the not small amount of forces generated by 11, 20, 50, 60, 100, or whatever pounds of sopping wet (cotton) wash. This being said modern computer controls of motor and tub movements have allowed at least for domestic washing machines a bit more leeway in "robust" suspensions. My older Miele needed all that cast iron heft to help contain tub movements. Even so when Big Bertha starts spinning with an unbalanced load, whoaa Nellie! | ||
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Post# 1120443 , Reply# 2 6/16/2021 at 11:34 (1,036 days old) by chetlaham (United States) |
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| Post# 1120455 , Reply# 4 6/16/2021 at 13:50 (1,036 days old) by vacerator (Macomb, Michigan) | ||
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They need a suspension to damper shaking and vibration. Especially on a wooden main floor laundry room over a basement or crawl space. Even with, many require large friction pads to curtail walking. The exepction may be when a dryer is stacked above the washer. | ||
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Post# 1120465 , Reply# 5 6/16/2021 at 15:20 (1,036 days old) by chetlaham (United States) |
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Post# 1120491 , Reply# 6 6/16/2021 at 20:00 (1,036 days old) by Launderess (Quiet Please, There´s a Lady on Stage) |
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Without a suspension system H-axis machines that wash and extract must be bolted into several feet of concrete. This was one reason why early Bendix front loaders were a hard sell. Not everyone could or would do this so sales weren't what they might have been.
Again when Bendix did come up with a suspension system it locked what would be best bits down in patents. So anyone else either had to pay or come up with their own idea that worked. There is no free lunch with physics. Forces generated by a H-axis washer when extracting even at low rpms is quite considerable, and they must go somewhere. If machine is bolted into concrete (no suspension system) all those forces are sent down though machine into floor to be dissipated through building. This still happens with a suspension system, but forces are lessened. Commercial and industrial washing machines for years now above a certain weight capacity have suspension systems. This and or it is preferred to bolt down because forces generated by several hundred pounds of wet wash being extracted puts substantial forces into a building, and not all are able to handle. Sometimes even several floors above you can still feel things vibrating. | ||
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Post# 1120522 , Reply# 9 6/17/2021 at 05:43 (1,035 days old) by foraloysius (Leeuwarden, Friesland, the Netherlands) |
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Eudora gets away with having no suspension, but I guess that would work mainly on such compacts. I don't see this working on a machine like the Niagara, but who knows. The pendulum senses when the machine is too much off balance and ends the spin immediately. It will try over and over until it spins with a good balance.
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Post# 1120524 , Reply# 10 6/17/2021 at 05:56 (1,035 days old) by henene4 (Heidenheim a.d. Brenz (Germany)) |
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There is no suspension per se, but the cabinet is allowed to swing with the rest. Weigth of the machine and the rigidity of the machine are what act as dampers/springs. | ||
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Post# 1120526 , Reply# 11 6/17/2021 at 06:15 (1,035 days old) by chetlaham (United States) |
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Bad Arse Washer This is exactly what I have in mind. 27 inches, cheap, and like the niagra.
I have three versions in mind:
1) A top loading no spin impeller machine with a filter flo sized out tub. Just an outer tub like you mention, grate at the bottom to drain the water out and a line frequency motor driven impellar.
2) A 27 inch stabber like machine with the same top loading concept as the niagra. Front serviceable internals.
3) A 27 inch front load washer economized for price.
I think 2 and 3 will work and clean better relying on gravity. Front serviceable on #2 because I have combo 52 and Lorain Furniture in mind.
If you have the liberty can you share more info on this concept washer? Or Email me the what you can share?
I really like that I'm hearing so far.
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Post# 1120527 , Reply# 12 6/17/2021 at 06:22 (1,035 days old) by combo52 (50 Year Repair Tech Beltsville,Md) |
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Reply # 9 Hi Louis that's a pretty fun machine I am sure us guys would to play with one at a wash-in, but it is very crude and the makers did not even save that much money building it.
They basally just saved a set of shocks and 2 springs and a rubber door boot and ended up with a crude machine that will shake itself apart in less than ten years, however it does show what can be built without sophisticated engineering but I can only imagine the complaints users would have about noise and vibration let along poor water extraction but I am sure that few people that use this machine would not have a clothes dryer anyway,
Thanks for posting this, John | ||
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Post# 1120528 , Reply# 13 6/17/2021 at 06:24 (1,035 days old) by chetlaham (United States) |
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@foraloysius | ||
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Post# 1120531 , Reply# 14 6/17/2021 at 07:16 (1,035 days old) by foraloysius (Leeuwarden, Friesland, the Netherlands) |
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These are still sold.
www.eudora-qualitaet-ein-... They seem to hold up very good, there are still a lot of those older ones around. I guess it's the quality of the materials that let them last so long. They are European compact models, so smaller than regular European washers. Extraction is pretty good with a top spin speed on the new models up to 1100 rpm. The capacity is only 3kg (about 7 lbs) so there is a limit to the practical use. I recently came across one in a picture of a house boat with limited laundry space.
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Post# 1120532 , Reply# 15 6/17/2021 at 07:18 (1,035 days old) by foraloysius (Leeuwarden, Friesland, the Netherlands) |
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Post# 1120534 , Reply# 16 6/17/2021 at 07:40 (1,035 days old) by chetlaham (United States) |
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