A material with metallic properties, composed of two or more elements of which at least one is a metal.
Wire that is cold-drawn to a smaller size, then softened through high temperature treatment (1200 degrees F for low carbon steel). This reduces its unit strength and increases its elongation to its maximum.
The heating and controlled cooling of a material to reduce hardness, or obtain desired mechanical, physical, or other properties.
See "Support Screen".
Wire cloth screen placed below a vibrating screen with steel or rubber balls or plastic discs, larger than the top and bottom openings, which are set in motion on this deck, clearing clogged material in the vibrating screen above.
See "Reinforced Edges", also, "Shrouds".
Term used in sheet metal and louver trades to designate a line of wire cloth materials used to keep animals and debris out of various spaces. Screening is usually a 2 mesh, with wire sizes from .041 to .080 in alloys of aluminum, brass, copper, galvanized or stainless steel.
Filling in and clogging of opening, caused by entrapment of particles from the filtered material. The opening becomes "blind" to the process flow.
A group of industrial wire cloth specifications, woven of extremely smooth and durable stainless steel with a plain square mesh pattern. Wire diameter is lighter than mill grade, and a high percentage of open area is typical. It is used for dry or wet sifting and separating.
Plain-weave steel wire cloth of medium mesh sizes in market grade diameters. Generally supplied in rolls of 24", 30", or 36" wide for use in flour mills.
A tear or variable length in the cloth; bursts normally occur near the edges.
Wire cloth which has been passed through a pair of heavy rollers to reduce the thickness of the cloth or to flatten the intersections of the wires and provide a smooth surface. The term "rolled" is also used.
Steel whose major properties depend on its carbon content.
Stainless steel wire cloth with .022" opening (26 mesh/.016" dia.).
A tank or basin that is used to remove suspended solids through gravity settling.
Wire cloth having a mesh count of less than 30 x 30.
To stamp wire cloth in order to shape or compact it. Wire mesh discs can be coined at the edges to lock the wires together and reduce ravelling.
In perforating, a product produced from hot-rolled, pickled coil that has been given substantial cold reduction at room temperature. The resulting product usually requires further processing to make it suitable for most common applications. The usual end product is characterized by improved surface, greater uniformity in thickness, and improved mechanical properties as compared with hot-rolled sheet.
Durable wire cloth livestock flooring woven to a flat-top weave using galvanized wire. Designed with a high percentage of open space, flooring not only helps reduce time and labor costs, but also keeps a drier, healthier environment for animals.
Number of opening in a lineal inch (see "Mesh")
A smooth, contoured indentation that is formed into wire to provide a locking surface for perpendicular wires to reduce the deformation of hole size and shape in use. See "Double Crimp", "Flat Top", "Intermediate Crimp", "Lock Crimp", "Pre Crimped".
Size reduction of a material into particles that are still relatively coarse in dimensions. See "Grinding".
To change the properties of a polymeric system into a more stable, useable condition by use of heat, radiation, or chemical additives.
Galvanized wire cloth in 8 x 8 mesh with .032 diameter wire. Used in cotton mills to polish lint from cotton.
Separation of solids and the liquids in which they are retained. The liquids pass through a screening surface.
A popular diamond-pattern cloth (commonly 1.5" opening), generally using .135" dia. wire (10 ga.) in an intermediate crimp weave. Used for window and machine guards and grilles.
"Slotted opening" screen which due to particular application and/or length of the slot requires two shute wires in adjacent crimps followed by the long slot - and repeated. Also, referred to as "double bar".
Wire cloth with equal crimps in both warp and shute wires, to lock the wires in position, using pre-crimped wire. Also, referred to as "over and under", "double crimp", and "regular crimp". Normally, the material flow is at right angles to the deep crimp.
In perforating, the shaping of a flat metal blank into the desired contour by causing the metal to flow over a draw ring and around a punch. The flow of metal is restrained by sufficient blank-holder pressure to prevent the blank from buckling.
Filter cloth with warp wires of larger diameter than the shute wires. While the warp wires remain straight, adjacent shoot wires slightly overlap, forming a dense, strong material with small, irregular and twisting passageways that appear triangular when diagonally viewing the material. There are no straight through openings and the weave may be plain or twilled. Also referred to as "corduroy filter cloth".
The liquid passing through a screening surface.
An electrical plating process that provides a thin, even coating of zinc over the surface of carbon steel wire cloth. Recommended for counts greater than eight (8) mesh, where galvanized-after weaving is not possible.
Reduction in ductility of materials due to exposure to certain environments or temperatures.
A term used to describe a perforated configuration of elongated aperatures where the short axes of the aperatures fall in a line on every row, but the long axes of only every other row fall in line.
An open metal network produced by slitting/stamping or perforating sheet metal.
Wire cloth used for sizing and grading various types of seed, peas, beans, etc. or for separation of other light weight dry material.
The perimeter wire ends of a piece of screen cloth which are straight, not crimped, and all in the same plane.
The material presented to a screen for processing.
Non-pure metals that contain iron.
A device employing filter leaves or tubes of woven wire cloth, often with an additional filter medium. Filters are used for the clarification of a liquid or gaseous fluids or the precision removal of particles known to be present.
The clarification of a fluid by the removal of solid particles.
Wire cloth having a mesh count of more than 90 x 90.
Material having a particle size substantially smaller than a specified aperture.
Wire cloth in which the crimps are all on the underside of the screen, providing a smooth, flat surface on top. This weave offers less resistance to material flow and provides more wearing surface and longer wear life. This weave is used on support screens. Also, referred to as "Ripple-flat crimp", "smooth top" and "sta-smooth".
See "Confinement Mesh".
Chemical compounds added during a refining or smelting process to separate impurities.
For vibrating equipment, edge preparation on the screen surface usually formed on the sides parallel to the flow. The forming of the screen enables it to be tensioned down on the machine. Formed edges, whether plain hooks or hook strips (metal bands), should be specified when ordering screens because forming can be done with greater accuracy on our specially designed equipment.
The shaping of sheetmetal by bending, uniaxial stretching, biaxial stretching, compression, or a combination thereof.
Wire cloth woven of high grade bright basic wire and passed through a pickling process before being dipped and hot galvanized with zinc. In this process the wire intersections appear as soldered. Galvanized is an economical means of resisting rust and corrosion and is especially effective with the presence of atmospheric moisture. This process is not recommended for counts greater than eight mesh. The process tends to blind the openings, thus cutting down the open area of the cloth.
Wire cloth woven of high grade galvanized wire that has been zinc coated before the weaving process. Galvanizing is an economical means of resisting rust and corrosion and is especially effective with the presence of atmospheric moisture.
The measure of wire diameter. See reference section for decimal equivalents. The Washburn & Moen gauge is considered the standard in wire cloth manufacturing.
In hammermills, a screen section with specified openings for passing sized material.
On hammermills, the crushing element attached to rotor, usually free-swinging.
On hammermills, the out diameter of the circle described by the Hammer with hammer extended.
Wire that has been drawn to a smaller size after annealing. This increases its unit strength and reduces its elongation.
An inexpensive grade of square mesh, plain weave, general purpose, galvanized-after woven wire cloth. Made in one wire size only, for each of several standard meshes.
Wire cloth where the direction of a twilled weave is reversed at regular intervals to produce striped or herringbone effect.
In perforating, hot-rolled sheet is the product that is reduced from slab to required thickness at elevated temperatures.
A screening system where an electromagnetic vibrator is attached to screen cloth, which is mounted in a stationary box. In this way, only the screen itself is vibrated to achieve separation.
The entrapment of fish and other marine life against screening media because of the velocity of the intake stream.
A plain weave, fine mesh wire screening (generally 18 x 16 mesh or 18 x 14 mesh), available in aluminum, bronze, fiberglass, galvanized or stainless steel wire. Also referred to as "fly-screen".
(ID) The distance measured between the inner edges of a formed screen. Measurement is taken at right angles to the formed edge.
Wire cloth with extra crimps in warp and shute wires between intersections. Generally used in wide mesh, light wire combinations to stiffen fabric, add rigidity and assure accurate mesh. Also, referred to as "multi-crimp" and "inter-crimp".
See "Confinement Mesh".
See "Scalp Weave".
See "Bird Screening".
A group of industrial wire cloth specifications, selected for general purpose work, made of high strength, square mesh cloth, in any of several metals. The wire diameters are moderately larger than mill grade, with the resulting lower percentage of open area.
Wire cloth having a mesh count of 30 x 30 to 90 x 90 inclusive.
Specified as a number, refers to the number of openings in a lineal inch measured from the center of one wire to a point 1" distant. (If clear openings are required, refer to the definition of space).
One micron is equivalent to .001 mm or .00003973 inches. The micron is the unit of measurement of the particle-retention of filter media. Also, sometimes used as measurement standard for space cloth.
Finer mesh of Dutch Weave Cloth in meshes giving retentions of 50 microns or finer.
See "Strainer Cloth".
Group of industrial wire cloth specifications with lighter wire than market grade. Standard wire diameter of this grade produces a medium percentage of open area. Used for food processing applications such as flour milling and sifting, seed and feed sifting. See Reference Table.
Non-pure metals containing no iron, i.e. brass, aluminum, etc.
The ratio of the area of the open spaces to the total area of a screening surface, expressed as a percentage.
See "Space".
(OD) The distance measured between the outer edges of a formed screen. Measurement is taken at right angles to the formed edge.
Intake screening device that does not employ mechanical cleaning.
Intake screening device that does not employ mechanical cleaning.
A type of screening surface, with various shape openings used for the purpose of separating material.
Wire cloth in which each warp wire and each shute wire pass over one and under the next adjacent complementary wire in both directions. There are no crimp operations prior to weaving as all crimp comes from the weaving force.
"Dutch wire cloth" which each warp and shute wire passing alternatively over and under all crimp comes from the weaving force.
The wedging or jamming of openings in a screening surface by near size particles, preventing passage of under size particles. See "Blinding".
Wire cloth woven with warp and shute crimped before weaving. (The opposite of "plain weave".). Openings are very accurate and the weave is tighter than plain weave. Generally preferred for vibrating or sizing machines. See "Double Weave".
Off-count mesh woven in copper, nickel or monel and used by makers of commercial clothes-pressing machines, in the head and buck to distribute the heat evenly. Mesh sizes in use are: 50 x 40, 60 x 50, and 64 x 56.
Flat, curved or cylindrical panels made of looped, round and/or wedge shaped wires for precise openings. Mainly used on dewatering equipment. Also, referred to as "wedge wire screen."
A plate through which holes have been drilled or punched.
The unfinished edges of wire cloth running the length of the screen.
See "Slotted Openings".
See "Rice Wire Cloth".
A process of removing impurities from metals by introducing air and flux into the molten metal. The impurities are removed as gases or slag.
A formed hook on the tensioning edge of a screen panel, that is strengthened with the addition of sheet metal. See "Angle Insert" and "Welded Angle".
The ability of wire cloth, as a filter medium, to prevent the passage of solids. It is expressed by the diameter (usually in microns) of the largest spherical solid particle that will normally pass through.
Wire mesh made of hard-drawn wire and generally available in 12 x 14 mesh, used in polishing rice. Also referred to as "brush cloth" or "reel wire".
Wire cloth in which the interlocking crimps are on the underside of the screen in addition to shallow forming crimps that are shaped in a downward angle in relation to the top of the screen. This provides a surface that is less resistant to material flow whle providing additional hardness to a given wire. See "Flat Top Weave".
The normal unit of bulk sale for wire cloth. The normal length is 100 feet, +/- 10%. Widths range from 24" up, with tolerances of 1/16" to 1/4" according to mesh. Invoices are based on the actual length supplied.
See "Calendered Wire Cloth".
The dimensions of any shaped opening in a screening surface that will make essentially the same separation as specified round hole.
The combining of at least two nonidentical wire cloth screens into one set of reinforced hooks to form one screen. Usually the finer mesh screen is placed above the larger mesh or support screen. Also referred to as "half sandwich screen".
Wire cloth in which deep crimps in the wires are at the points of intersection to lock wires securely in place. Usually used for heavy-duty screening. Also, referred to as "lock-crimp", "arch crimp" and "press-lock".
A mechanical process which accomplishes a division of particles on the basis of size, and their acceptance or rejection by a screening surface.
The medium containing the apertures for passage of the undersize material.
(Self-edged) The finished edges of wire cloth running the length of the roll, which are produced by the weaving operation and prevent unraveling of the wire cloth. Where the selvage edge is a specific requirement, it should be specified when ordering. Also referred to as "loop edge".
The specific process of particles being presented to apertures and being rejected if larger than the opening or passed through if smaller.
A screen with reciprocating motion.
In the mud equipment industry, mechanical devices (vibrating & rotating cylindrical screens) used to screen solids from the mud, with the entire circulated volume passing through or over the screens. See "Primary Separator".
Wires running across the width of the cloth as woven. Also referred to as "fill or weft wires".
A term used to describe a perforated configuration of elongated apertures where the long axes of the apertures fall in line on every row, but the short axes of only every other row fall in line.
A screen with rotary motion substantially in the plane of the screening surface.
Material that has been screened or classified prior to a process.
The absence of firmness in woven wire cloth.
Wire cloth with rectangular openings which provide the maximum open area and tend to prevent blinding or clogging of material. The smaller dimension controls the sizing of material. The warp mesh-count and wire size are indicated before the shoot mesh-count and wire size (i.e. 12 x 14 mesh/041" & .035" wire). Also, referred to as "oblong", "off-count", "rectangular", "rek-tang", "single bar" and "ton-cap".
"Hardware cloth" slit to narrow widths (3", 4", 6", or 8") and supplied in 100 foot rolls, in 8 mesh and 4 mesh. Used in the construction industry for vent screening.
Actual clear opening or space between the inside edge of two parallel wires.
Wire cloth which is designated by the width, in inches or fractions thereof, of the open space between the inside faces of parallel wires in both the warp and shute.
Wire mesh cloth used to restrict incandescent particles of a burning material. Generally used on burning barrels, wig-warm burners, etc.
Wire cloth with the mesh count and wire diameter the same in both directions. The direct opposite of "off-count" or "slotted openings".
In perforating, the ability of a metal or shape to resist deflection.
A twilled weave with multiple wires in both the warp and the shute. Also, referred to as "bunched wire".
An assembly of woven wire cloth for the removal of unwanted foreign particles from a stream of liquid or gas. It includes any necessary fittings or reinforcements, is usually complete in itself, and may be considered, primarily, as a protective device.
Plain-weave, off-count brass mesh cloth with a high percentage of open area. Although developed originally for the dairy industry, this cloth now has a wide market for various straining operations. Available meshes range from 40 x 32 to 120 x 88. In addition, 20 x 20/.010" diameter and 30 x 30/.007" diameter square mesh brass wire cloth are classified as strainer cloth.
A heavy wire mesh, either flat-top weave or calendered, supporting a finer mesh in filtration or straining. Also, referred to as a "back-up screen".
The maximum tensile load per square unit of cross section that a material is able to withstand.
Wire cloth woven of wire that has been tin coated before the weaving process. Generally available in "mill grade" wire diameters.
Slotted opening screen which, due to particular application and/or length of slot, requires three shute wires in adjacent crimps followed by the long slot - and repeated. Also called "Ty-rod", "triple-bar" and "sta-clear".
A cylinder mounted on rollers on a shaft with the screen surface forming the circumference. Also known as revolving, scrubber, or barrel screen.
Wire cloth in which each warp wire and each shute wire passes successively over two and under the adjacent pair of wires, in a staggered arrangement creating a diagonal pattern in the cloth.
"Dutch wire cloth" in a combination of plain dutch and twilled.
An inexpensive, general purpose, welded fabric manufactured from galvanized wire. Edges are smooth with cross wires flush trimmed. Available in several standard opening and wire diameters only.
A woven wire, punch plate, or synthetic screen oscillated by mechanical or electrical means.
The foundation wire of woven wire cloth, formed of wires running the long way of the material as woven.
The manner in which the warp and fill wires are interwoven. See "Flat-top Weave", "Intermediate Crimp", "Plain Weave", "Ripple-flat Crimp", and "Scalp Weave". Also, "Herringbone-twill", "Dutch", "Twilled" and "Twilled Dutch".
See "Profile Screen".
A general term for welded material, made from metallic wires. Products and usages range from baskets or containers to racks, guards and dewatering screens.
A general term for screening material woven with metallic wires.
A type of screening surface, woven in square, rectangular or slotted openings.
