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Ion implantation strengthening method for sealing ring
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An ion implantation and ion implanter technology, applied in the direction of ion implantation plating, metal material coating process, coating, etc. The effect of reducing production cost and good economic performance
Inactive Publication Date: 2016-09-07
XUZHOU YONGJIA HYDRAULIC EQUIP
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[0003] In order to improve the service life of the sealing ring, the traditional method is mainly to prevent the damage of the sealing ring during the installation process, such as removing the burr at the installation position of the sealing ring, prohibiting the forced installation of the sealing ring and applying lubrication in the sealing ring when installing the sealing ring Oil, none of these methods can fundamentally change the wear resistance of the sealing ring
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Embodiment 1
[0020] An ion implantation strengthening method for a sealing ring, the specific steps are as follows
[0021] In the pretreatment stage, the sealing surface of the sealing ring was cleaned by ultrasonic vibration in distilled water for 5 minutes, and then taken out and air-dried.
[0022] In the ion implantation stage, put the sealing ring into the wide-beam ion implanter, use N+ as the implanted ion, the implantation capacity is 80keV, and the implantation dose is 10 14 ions / cm2, the implantation time is 0.5h, and the thickness of the final ion implantation layer on the sealing surface of the sealing ring is 200nm.
Embodiment 2
[0024] An ion implantation strengthening method for a sealing ring, the specific steps are as follows
[0025] In the pretreatment stage, the sealing surface of the sealing ring was cleaned by ultrasonic vibration in distilled water for 5 minutes, and then taken out and air-dried.
[0026] In the ion implantation stage, put the sealing ring into the wide-beam ion implanter, use N+ as the implanted ion, the implantation capacity is 300keV, and the implantation dose is 10 14 ions / cm2, the implantation time is 1h, and the thickness of the final ion-implanted layer on the sealing surface of the sealing ring is 500nm.
[0027] In the post-processing stage, the ion-implanted sealing surface was cleaned by ultrasonic vibration in distilled water for 5 minutes, and then taken out and air-dried.
Embodiment 3
[0029] An ion implantation strengthening method for a sealing ring, the specific steps are as follows
[0030] In the pretreatment stage, the sealing surface of the sealing ring was cleaned by ultrasonic vibration in distilled water for 5 minutes, and then taken out and air-dried.
[0031] In the ion implantation stage, put the sealing ring into the wide-beam ion implanter, use N+ as the implanted ion, the implantation capacity is 450keV, and the implantation dose is 10 17 ions / cm2, the injection time is 2h, and the thickness of the final ion implantation layer on the sealing surface of the sealing ring is 1 μm.
[0032] In the post-processing stage, the ion-implanted sealing surface was cleaned by ultrasonic vibration in distilled water for 5 minutes, and then taken out and air-dried.
[0033] Through this method, ions are implanted onto the surface of a large number of sealing rings at one time, and the macromolecular chains on the surface are broken to generate free radica...
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Abstract
The invention discloses an ion implantation strengthening method for a sealing ring and relates to the technical field of strengthening of sealing rings. The method includes the following specific steps that, in the preprocessing stage, a sealing face of the sealing ring is subjected to ultrasonic vibration cleaning in distilled water, and the sealing face is taken out and dried in air; in the ion implantation stage, the sealing ring is placed into an ion implantation machine, N+ is selected as implanted ions, and the thickness of a final ion implantation layer of the sealing face of the sealing ring ranges from 200 nanometers to 1 micron; and in the postprocessing stage, the sealing face subjected to ion implantation is subjected to ultrasonic vibration cleaning in distilled water, and the sealing face is taken out and dried in air. The ion implantation strengthening method for the sealing ring has the advantages that on the basis that an original sealing ring material is not changed, the abrasion resistance and the corrosion resistance of the sealing ring are improved, and good economic performance is achieved.
Description
technical field [0001] The invention relates to the technical field of strengthening of sealing rings, in particular to an ion implantation strengthening method of sealing rings. Background technique [0002] The sealing ring is an important component of the hydraulic cylinder, and the damage of the sealing ring will cause the leakage of hydraulic oil in the hydraulic cylinder, which will lead to the failure of the hydraulic cylinder. During the working process of the hydraulic cylinder, the reasons for the damage of the sealing ring are roughly divided into the following points: (1) Fatigue damage. During long-term use of the sealing surface, the piston is under the effect of alternating loads, causing fatigue on the sealing surface, showing cracks and peeling layer. Rubber is prone to aging after long-term use; (2) mechanical wear, that is, the sealing surface will be damaged by scratches, bruises, squeezes, etc. during the movement of the piston rod. Between the two sea...
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