washer


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washer

1. a flat ring or drilled disc of metal used under the head of a bolt or nut to spread the load when tightened
2. any flat ring of rubber, felt, metal, etc., used to provide a seal under a nut or in a tap or valve seat
4. Chemical engineering a device for cleaning or washing gases or vapours; scrubber
5. Austral a face cloth; flannel

Washer

 

a machine part mounted under a nut or bolt head. Plain washers (Figure 1, a) are used to increase the load distribution where the load-bearing surface is uneven or of a soft material, where the bolt hole is elongated, or where the hole diameter is enlarged. Bevel washers (Figure l,b) and spherical washers (Figure 1, c) are used to prevent the nut or bolt head from warping during tightening. Open, or C, washers (Figure 1, d) are quick-release types used in fixtures to save time in removing a used part and mounting a new one. Packing washers made of a soft material

Figure 1. Washers: (a) plain, (b) bevel, (c) spherical, (d) open, (e) spring lock, (f) tab lock, (g) end plate

are mounted under the heads of threaded plugs to provide a hermetic seal. Spring lock washers (Figure l,e) reduce the likelihood that a bolt or nut will loosen since the elastic force of the compressed washer acts on the connection. Tab lock washers have sections that can be bent (Figure 1, f) to prevent a nut or bolt from turning with respect to a load-bearing shaft or other part. End plates (Figure 1, g) prevent axial displacement of parts mounted on a shaft (such parts may be held fixed or rotate on the shaft).

washer

[′wäsh·ər]
(design engineering)
A flattened, ring-shaped device used to improve the tightness of a screw fastener.
(engineering)
A device for removing dirt and soluble impurities from pulp and paper stock.
A system for washing photographic materials to remove soluble products of developing or fixing.
A power-driven machine for washing clothes and household linens. Also known as washing machine.

washer

washers
A flat ring, usually thin, of metal, rubber, or other material, depending on its use; used to prevent leakage, to provide insulation; used as the bearing surface under the head of a fastener, such as a bolt, to assure tightness, relieve friction, improve stress distribution, or span large clearance holes.
References in periodicals archive ?
Nowadays, there are a lot of different models and styles of washers to choose from.
The company purchased a high-pressure washer to clean their stockpiles of clay-contaminated stone, which contained non-liberated sand products.
A week earlier, the nation's leading appliance chain displayed four Energy Star washers -- a Kenmore Elite, Whirlpool and two Maytag Neptunes -- at $999.
get a dryer with 30 percent to 40 percent more capacity than your washer extractors to allow for effective airflow.
With the washer running and the trigger locked "off," adjust pressure and spray settings, or insert nozzle tips in the spray wand (right photo, p.
There has not been a lot of technological advances in the pressure washer industry in the last three years, so the components of the pressure washer are similar to what they were three years ago.
Leading clothes washer manufacturers support the new regulations, as they see in the mandates a chance to standardize international operations (front-loaders are de rigeur under EU regs) and increase profits and market share by squeezing out smaller manufacturers who won't be able to stay in business under the new rules.
The SmartWasher Combo is a full featured parts washer that does double duty as a break washer.
The Top-Load Washer models also have a capacity,, of 3.
You bet/It turns out that there are problems with the NSNs for both the inner and outer washers.
Key Capability: The PLI washers are useful with joints that are inaccessible to torque wrenches.