Lubrication and structural elongation of steel wir
2022-09-26- Detail
Lubrication and structural elongation of crane steel wire rope
1. lubrication of steel wire rope
coating lubricating oil on steel wire rope can prevent steel wire from rusting, lubricate and reduce friction between steel wires, steel wire rope and pulley and other components. If the user has no special requirements, the rope core and the surface of the steel wire rope are generally coated with lubricating oil in production, and the steel wire rope is sprayed with high drop point lubrication to pull the black knob oil for important uses and places with serious corrosion; Friction improves the structural capacity of the company, generally 1000lb, and the scientific research investment reaches 259million euros. The friction increasing grease is coated with steel wire rope
2. Structural elongation of steel wire rope
the relevant data obtained from the steel wire rope experiment are as follows: the elongation of steel wire rope is composed of elastic elongation and structural elongation, and the structural elongation is permanent elongation. Some applications (such as permanent suspension load-bearing structural members, reciprocating load-bearing ropes, ropes for equal length lifting, etc.) require that the structural elongation of steel wire ropes must be eliminated, and pretensioning is an effective means to eliminate the structural elongation of steel wire ropes. The following is the elongation value of some steel wire rope structures (for reference)
six strand and eight strand fiber core steel wire rope 10%
six strand and eight strand metal core steel wire rope 0.5%
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