Solid lubricating, friction-reducing and repairing agent of wheel rail as well as preparation method and application thereof
A solid lubricant and solid lubrication technology, which is applied in the direction of track lubrication, track wetting/lubrication, railway car body parts, etc., can solve the problem that the wheel and rail have no friction reduction and repair effect
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Embodiment 1
[0041] 10 kg of natural rubber
[0042] Acrylonitrile-butadiene-styrene rubber dosage 1.0 kg
[0043] 10 grams of vulcanization accelerator TT, 70 grams of vulcanization accelerator DM, 100 grams of anti-aging agent RD, 200 grams of activator ZnO, 150 grams of activator stearic acid, 100 grams of sulfur, appropriate amount of pigment
[0044] The amount of sub-nanometer tremolite powder is 4.0 kg
[0045] Iron sulfide Fes dosage 2.0 kg
[0046] Silane coupling agent dosage 0.04 kg
[0047] After the above raw materials are quantitatively weighed, the finished product is obtained according to the above-mentioned method for preparing the wheel-rail solid lubrication anti-friction repair agent, and its physical and chemical properties are as follows: density 1.68 g / cm 3 , compressive strength 8.3MPa, volume resistivity 6.2×10 14 ohm cm. Dongfeng DF 4 The operation of diesel locomotives shows that the average wear rate of the rim is less than 0.45 mm / 10,000 km.
Embodiment 2
[0049] Polystyrene-butadiene-styrene ternary block copolymer rubber 10 kg
[0050] 10 grams of vulcanization accelerator TT, 80 grams of vulcanization accelerator DM, 80 grams of antioxidant RD, 200 grams of activator ZnO, 200 grams of activator stearic acid, 100 grams of sulfur, appropriate amount of pigment
[0051] Sub-nanometer actinolite powder dosage 2.0 kg
[0052] Zinc sulfide Zns dosage 4.0 kg
[0053] Silane coupling agent dosage 0.03 kg
[0054] After the above raw materials are quantitatively weighed, the finished product is obtained according to the above-mentioned method for preparing the wheel-rail solid lubrication anti-friction repair agent, and its density is 1.67 g / cm after measurement. 3 . The use of electric locomotives shows that the average wear rate of the rim is less than 0.4 mm / 10,000 km.
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