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Types and Classification of washing machines
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Surveys articles of washing machines
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Classification of washing machines
In the countries of the European Community there is a home appliances classification - it is executed on the basis of uniform European test EN 95/12 (EU commission Directive 95/12/ÅÑ of 23 May 1995). Modern WASHING MACHINES share on a way of activation of a washing solution:
With rotating working bodies.
Vibrating liquids with the directed stream or air.
WASHING MACHINES of the first type the most widespread. From used in our daily activity we know WM activation and drum-type types. WASHING MACHINES activation type has a tank in which there is a rotating activator (blades, a disk with blades). Though other variant is possible — the activator is at a stop, and the tank rotates, but the variant in a life does not meet for a long time already. Anything difficult in these machines is not present — they are simple and cheap. However, in similar WM for household application it is possible to forget about qualitative washing. There is one more class of washing machines – so-called air - bubble. In them hashing of a washing solution (and washing away of a dirt from linen) occurs because in a solution by means of a special supercharger air vials are formed. These vials have considerable getting action — they push linen into a volume water stream, thereby, increasing efficiency of washing. However recently for various reasons similar WM are made in small volumes. An another matter - WASHING MACHINES of drum-type type, they have received most a wide circulation. Basically, these machines structurally differ only on a way of loading of linen — with vertical and face-to-face loading. At the expense of various additional technical innovations quality of washing by machines of this type can be not worse, than in the WASHING MACHINES intended for washing commercially. A basis of such machines — a tank with washing solution in which the drum with the linen loaded into it rotates.
Key parameters on which WASHING MACHINES are classified: on degree of mechanization and automation of processes of processing of linen, automatic and automatic drying machine, whenever possible heating of a solution with washing-up liquids; on speed squeezing (on a class squeezing — degrees of residual humidity of linen — there is an international alphabetic classification, by the sizes and case type (classical full-size, vertical, built in, narrow, etc.) ; On the maximum weight of loaded (dry) linen; on a set of the basic programs of washing and additional functions, whenever possible linen drying; on a control system (mechanical, electronic), on power consumption (there is an international alphabetic classification); on a class (quality) of washing (exists international alphabetic), etc. It is possible to list similar division long enough, actually for users following parameters are important: a set of programs of washing and additional functions, and also convenience of using; washing classes, power consumption, overall dimensions and case type; service life, durability; service support. It is necessary to notice that some identical modes and functions of WM at different manufacturers have various names. Actually, to surprise with something really standing already it is difficult enough: Basic elements of a design of WASHING MACHINES and set of their basic minimum possibilities, as a rule, remain without changes. There are parameters’ and technical something like: 2000 rpm at squeezing, "silent" plastic tanks, systems of definition of pollution of water. On speed — is it possible to think of the following — and what becomes with linen at such high speed squeezing? Dry it will be exact, and here its integrity is raised by the doubts. Besides mechanical loadings on drum bearings at such turns will be that that long these elements will not serve (possibly, bearings will work at similar loadings at squeezing during all warranty period of the WASHING MACHINE, but no more).
On plastic use — it is valid, WM with a plastic tank have small noise level (and smaller weight). And now minuses - tanks from plastic are short-lived, is frequent in them cracks which cannot be closed up are formed. Besides replacement of bearings in them presents certain difficulties (for example, replacement of bearings by not folding tanks is simply impossible). The Primary factor for manufacturers at use in WASHING MACHINES of plastic tanks is minimum expenses by their manufacture. However, it is necessary to give due — in all WM in which high speed squeezing (1600 rpm and above), are established tanks only from stainless steel. Under the control over cleanliness of water — the gauge of impurity of water represents a transparent tube through which walls pass an infra-red beam. One aspect is not considered only – in due course on internal walls of a tube can settle various pollution, the beam will arrive on a photo detector weakened, and soon WASHING MACHINE electronics will wrongly define that water is constantly polluted. Alternative one — periodic cleaning of the specified tube. Similar gauges stand in many dishwashers — this "illness" is known well by experts of service services. It would be desirable to stop on such parameter, as service life of WM. It depends on many indicators — features of manufacture and a design, quality of accessories, manufacturers, observance of service regulations, intensity of operation of a concrete WASHING MACHINE, etc. Many manufacturers (not all) aspire to improve this parameter. As to concrete model of the WM, the consumer cannot affect a part of indicators (if the choice) is already made. It can prolong as much as possible time of trouble-free work of the WASHING MACHINE only at the expense of observance of rules of its operation, a choice of service support. In any case key parameters, sufficient for classification of this or that model of the WASHING MACHINE are described in its maintenance instruction — important only to distinguish, what of them the basic and what — are not present. Essentially new parameters for classification of WM should be expected in the near future only at the expense of expansion of service possibilities (for example, increases in a set of programs of the washing, the improved design, functionality, etc.). These parameters, naturally, will be realized in the beginning on high-class models, and then — gradually on budgetary models. There is one more tendency by manufacture of WASHING MACHINES of various brands is maximum unification of models within a concrete grocery ruler (design, the design features completing, a set of the basic functions, etc.)
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