Sandvik UJ440i is your ideal solution for operating in the toughest climatic conditions. This mobile jaw crusher is designed to be versatile, mobile, and productive, wherever you need it.
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FILTER AND SPIN GRIDS
There are two main techniques:
- Welded technology
- Looped technology
GIRON offers both versions to suit your applications and problems. In both cases, the product flows over a totally smooth surface made possible by the succession of wires. The space between each profile creates a gap, known as an interstice, fissure or slot.
In the welded versionThe wire is manufactured by rolling from round wire. Rolling is the most common process, generating a profile with slightly rounded edges. These profiles are then welded to perpendicularly positioned cross-members.
In the curly versionThe trapezoidal wire was stamped from round wire. GIRON’s contoured fissure grids have been developed for over 50 years. Stamping produces protruding edges for high drainage efficiency. These profiles are then assembled on rounds. At GIRON, the steel round is 7 mm in diameter and the loops have a pitch of 70 mm.
This technique guarantees opening accuracy unsurpassed gap widths, especially for very fine cracks. Grids can be supplied flat or curved, bare or with all types of reinforcement such as flats, angles or other accessories.
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WELDED MESH
These screens consist of a welded mesh of steel bars. The upper surface, in contact with the product to be screened, is always installed parallel to the direction of material flow.
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Perforated Sheets
These sheets are made from solid sheet metal. The holes (meshes) are then produced by material removal processes such as perforation, punching, flame cutting, laser cutting, plasma cutting or waterjet cutting.
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