1. Point contact: The steel wires of adjacent layers in the strand are in the form of point contact. Except for the central steel wire, the diameters of the steel wires in each layer are equal, and the strands are formed by layered twisting.
2. Line contact: There is a linear contact form between the steel wires of adjacent layers in the strand, and the strand is formed by twisting steel wires of different diameters at one time.
3. Surface contact: There is a surface contact form between the steel wires of adjacent layers in the strand.
4. Point and line contact stainless steel wire rope: There are two contact forms of point and line between the steel wires of adjacent layers in the strand. The strands are twisted in stages from steel wires of different diameters.
5. Special-shaped strand stainless steel wire rope: The special-shaped strand stainless steel wire rope is named for its triangular, oval or fan-shaped cross-section.
6. Galvanized stainless steel wire rope: Galvanized (or drawn after galvanized) on the surface of the steel wire, and then twisted into a stainless steel wire rope.
7. Stainless steel wire rope twist direction: The so-called steel wire rope (or strand) twist direction refers to the direction of the helix twisted by the strands in the rope (or the wires in the strands). Determining method: Place the rope (or strand) vertically and observe. If the spiral direction of the strand (filament) is from left to upper right, it is left twist, which can be indicated by "". According to the twisting direction of strands and ropes, steel wire ropes are divided into:
aRight alternating twisted stainless steel wire rope: right twisted rope, left twisted strands
b Left alternating twisted stainless steel wire rope: left twisted rope, right twisted strands
c Right-hand twist stainless steel wire rope: right-hand twist for rope, right-hand twist for strands
d Left twisted stainless steel wire rope in the same direction: left twisted rope, left twisted strands
eRight-hand mixed twist stainless steel wire rope: right-hand twisted rope, left-hand twisted part of the strands, and right-hand twisted strands
f left mixed twist stainless steel wire rope: left twisted rope, some strands right twisted, some strands left twisted.
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