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Phosphating rope

Hits:Updated:2015-09-30 15:09:16【Print】【Close】

    Rope consequences ranging from sudden rupture was destroyed, while people injured. Extend the service life of wire rope, which means security, reliability and economy improve. Phosphate is a good treatment technology increase life rope, wire rope surface layer that is formed phosphate coating, phosphate coating the porous structure may increase the amount of grease stored in the wire rope surface, reducing friction factor promoting the slide , delaying the wire surface fretting damage occurs, inhibiting the initiation of fatigue microcracks, thus greatly extend the service life of the rope.
    Currently phosphate treatment is widely used in automobiles, light industry, chemical industry, electronics, defense and other areas of friction.
    Phosphating metal phosphate solution components can be divided according to the alkali metal phosphate, iron phosphate, zinc phosphate, manganese phosphate, zinc, calcium phosphate, zinc-manganese phosphate and organic phosphate and the like. Phosphide rope wire rope with a major role in the phosphate coating is to improve the wear resistance and corrosion resistance of the steel surface to improve the surface of the grease storage capacity in steel and coated with grease joint action Save
    Small friction factor, so give priority manganese phosphate, followed by zinc-manganese phosphate. Also asked phosphate fast, so as to have enough production scale in the production of a small diameter wire rope. In addition, you can use high temperature phosphate and phosphate unit area of ​​high current electrolysis, in order to improve the speed phosphate. Shorten the reaction time.
Wire in phosphate process will be part of the material is dissolved, phosphate coating film focuses 3-15g / m2, the wire diameter is almost unchanged after phosphate; phosphate coating film weight of more than 20g / m 2 increase in diameter value for the traveler also very limited, the mechanical properties of the wire no significant change before and after the phosphate. Heavy phosphate coating film can follow the relevant national standard GB measurement conversion coating mass per unit area of ​​film / T9792-2003 metal material on the gravimetric method for detection. For phosphate after twisting wire rope products stock split testing wire rope phosphate coating film weight, you can start with an organic solvent to grease surface coated wire thorough cleaning, measured by the gravimetric method described above phosphate coating film after dried weight can.
    After the wire phosphide, typically produce phosphate wastewater. Thus the phosphated wire production line at the same time it is necessary to the expansion of the existing wastewater treatment system. After waste water treatment, some can reuse use; part of wastewater treated in line with the relevant requirements of the national standard GB 8978-1996 the direct emissions.
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