Light absorption coating for laser quenching, and preparation method thereof
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A light-absorbing paint and laser quenching technology, applied in the field of laser quenching, can solve the problems of inconvenient industrial production, poor thermal stability, high price, etc., and achieve the effects of low cost, improved performance and uniform particle size
Inactive Publication Date: 2018-01-26
XUZHOU WANDA SLEWING BEARING
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Problems solved by technology
[0003] The object of the present invention is to provide a light-absorbing coating for laser quenching and a preparation method thereof, to solve the problem that the existing light-absorbing
Method used
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Embodiment 1
[0020] The preparation method of the light-absorbing coating for laser quenching comprises the following steps:
[0021] S1: Pour 80 parts of silica, 16 parts of binder, 19 parts of metal oxide, 17 parts of thickener and 8 parts of rosin into a ball mill for ball milling. The ball milling speed is 320 rpm, and the ball milling time is 12 hours, the ball to material ratio is 15:1;
[0022] S2: Pour the ball-milled raw materials in step S1 into 170 parts of industrial alcohol, and stir evenly. The stirring speed is 120 rpm, and the stirring time is 8 minutes.
Embodiment 2
[0024] The preparation method of the light-absorbing coating for laser quenching comprises the following steps:
[0025] S1: Pour 80 parts of silica, 13 parts of binder, 22 parts of metal oxide, 12 parts of thickener and 6 parts of rosin into a ball mill for ball milling. The ball milling speed is 280 rpm, and the ball milling time is 10 hours, the ball to material ratio is 15:1;
[0026] S2: Pour the ball-milled raw materials in step S1 into 180 parts of industrial alcohol, and stir evenly. The stirring speed is 100 rpm, and the stirring time is 5 minutes.
Embodiment 3
[0028] The preparation method of the light-absorbing coating for laser quenching comprises the following steps:
[0029] S1: Pour 90 parts of silica, 15 parts of binder, 20 parts of metal oxide, 15 parts of thickener and 5 parts of rosin into a ball mill for ball milling. The ball milling speed is 300 rpm, and the ball milling time is 11 hours, the ball to material ratio is 15:1;
[0030] S2: Pour the ball-milled raw materials in step S1 into 175 parts of industrial alcohol, and stir evenly. The stirring speed is 110 rpm, and the stirring time is 7 minutes.
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Abstract
The invention discloses a light absorption coating for laser quenching, and a preparation method thereof, and belongs to the technical field of laser quenching. The light absorption coating for laserquenching comprises 80-100 parts of silica, 150-200 parts of industrial alcohol, 10-20 parts of a binder, 15-25 parts of metal oxide, 12-18 parts of a thickener and 3-8 parts of rosin. The preparationmethod of the light absorption coating for laser quenching comprises the following steps: S1, pouring 80-100 parts of silica, 10-20 parts of the binder, 15-25 parts of metal oxide, 12-18 parts of thethickener and 3-8 parts of rosin into a ball mill, and carrying out ball milling; and S2, pouring the ball-milled raw materials obtained in step S1 into 150-200 parts of industrial alcohol, and uniformly stirring the ball-milled raw materials and the industrial alcohol to obtain the light absorption coating. The light absorption coating greatly improves the hardness of workpieces to avoid local burns of the workpieces, and ball milling of the light absorption coating by using the ball mill greatly improves the performances of the light absorption coating and makes the particle size of the light absorption coating uniform and fine. The light absorption coating and the preparation method have the advantages of low cost and no pollution to the environment.
Description
technical field [0001] The invention relates to the technical field of laser quenching, in particular to a light-absorbing coating for laser quenching and a preparation method thereof. Background technique [0002] Laser quenching is the earliest technology applied in laser surface treatment technology, and it is a rapid and partial quenching process. Mainly use the laser beam to scan the surface of the workpiece, quickly heat the surface temperature of the material to above the phase transition temperature and below the melting point, and rely on the heat conduction of the workpiece substrate itself to quickly transfer the heat to the interior of the substrate to achieve the purpose of rapid cooling and quenching. This process is through solid-state self-cooling and quenching, that is, solid-state phase change recrystallization, which changes the surface structure and produces a strengthening effect. After quenching, a hardened layer with a certain thickness can be obtained...
Claims
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Application Information
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