Preparation method for wear-resistant coating of traction wheel of high-speed elevator
A technology for high-speed elevators and traction wheels, applied in coatings, metal material coating processes, etc., can solve problems such as the application of structural materials that cannot be large, and achieve the effects of effective mechanical protection, rich edges, and fine grains
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Embodiment 1
[0026] A method for preparing a high-speed elevator traction sheave wear-resistant coating according to this embodiment comprises the following steps:
[0027] Step 1, tungsten oxide powder (WO 3 Mass content greater than 99%, average particle size 2 / g~280m 2 / g, C content is 70% ~ 80%, average particle size <10μm) placed in a ball mill, with absolute ethanol and silicon carbide balls as the medium, ball milled for 8 hours; the ball milled material was dried at 80°C 6h, then sintering under vacuum conditions, the heating rate of sintering is 10°C / min, the sintering temperature is 1400°C, the holding time is 4h, and the vacuum degree is 400Pa to obtain tungsten carbide powder; the quality of the tungsten oxide powder is tungsten oxide 80% of the total mass of powder and graphene powder;
[0028] Step 2. Prepare tungsten-molybdenum-based amorphous alloy powder with a particle size of 10 μm by gas atomization. The specific method is: according to the nominal composition of tun...
Embodiment 2
[0034] A method for preparing a high-speed elevator traction sheave wear-resistant coating according to this embodiment comprises the following steps:
[0035] Step 1, tungsten oxide powder (WO 3 Mass content greater than 99%, average particle size 2 / g~280m 2 / g, C content is 70% ~ 80%, average particle size <10μm) placed in a ball mill, with absolute ethanol and silicon carbide balls as the medium, ball milled for 10h; the ball milled material was dried at 100°C 7h, then sintering under vacuum conditions, the heating rate of sintering is 15°C / min, the sintering temperature is 1600°C, the holding time is 5h, and the vacuum degree is 600Pa to obtain tungsten carbide powder; the quality of the tungsten oxide powder is tungsten oxide 82% of the total mass of powder and graphene powder;
[0036] Step 2. Prepare tungsten-molybdenum-based amorphous alloy powder with a particle size of 15 μm by gas atomization. The specific method is: according to the nominal composition of tungst...
Embodiment 3
[0041] A method for preparing a high-speed elevator traction sheave wear-resistant coating according to this embodiment comprises the following steps:
[0042] Step 1, tungsten oxide powder (WO 3 Mass content greater than 99%, average particle size 2 / g~280m 2 / g, C content is 70% ~ 80%, average particle size <10μm) placed in a ball mill, using absolute ethanol and silicon carbide balls as the medium, ball milled for 12h; the ball milled material was dried at 120°C 8h, then sintering under vacuum conditions, the heating rate of sintering is 20°C / min, the sintering temperature is 1800°C, the holding time is 6h, and the vacuum degree is 800Pa to obtain tungsten carbide powder; the quality of the tungsten oxide powder is tungsten oxide 84% of the total mass of powder and graphene powder;
[0043] Step 2. Prepare tungsten-molybdenum-based amorphous alloy powder with a particle size of 20 μm by gas atomization. The specific method is: according to the nominal composition of tungs...
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