Surface treatment technology of sliding bearing for lead pig cold granulator

A technology of cold granulator and sliding bearing, which is applied to devices and coatings that apply liquid to the surface, can solve the problem of high cost, and achieve the advantages of improved surface wear resistance, improved impact wear resistance, and improved service life. Effect

Inactive Publication Date: 2017-07-07
蚌埠市华鼎机械科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The sliding bearings used in the lead ingot shearing device need to meet many properties, such as wear resistance, long life and high precision. However, the existing sliding bearings cannot meet the requirements of the lead ingot shearing device. The cost is too high, and a process for modifying the existing sliding bearing is needed to meet the needs of the lead ingot shearing device

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A surface treatment process for a sliding bearing used in a lead ingot cold granulator, comprising:

[0018] (1) Cleaning: Clean the outer ring and inner ring of the bearing as a whole to remove dust and impurities on the surface of the outer ring and inner ring of the bearing;

[0019] (2) Pre-assembly: Preliminary assembly of bearing outer ring, inner ring and rolling elements;

[0020] (4) pickling activation: put the bearing into the activation solution, soak it for 2 hours at 35°C, then take it out, wash the surface with clean water, and dry it at low temperature; the activation solution It is made of the following components by weight percentage: 0.02% nitric acid, 0.46% hydrochloric acid, and the rest is water;

[0021] (5) Irradiation treatment: Use a high-current pulsed ion beam composed of a mixed ion beam with an ion energy of 250keV, a beam current density of 120A / cm², and a pulse width of 80ns to irradiate the surface of the above-mentioned bearings. 3 ti...

Embodiment 2

[0027] A surface treatment process for a sliding bearing used in a lead ingot cold granulator, comprising:

[0028] (1) Cleaning: Clean the outer ring and inner ring of the bearing as a whole to remove dust and impurities on the surface of the outer ring and inner ring of the bearing;

[0029] (2) Pre-assembly: Preliminary assembly of bearing outer ring, inner ring and rolling elements;

[0030] (4) Pickling activation: Put the bearing into the activation solution, soak it for 2.5 hours at 35°C, then take it out, wash the surface with clean water, and dry it at low temperature; the activation solution It is made of the following components by weight percentage: 0.02% nitric acid, 0.46% hydrochloric acid, and the rest is water;

[0031] (5) Irradiation treatment: Use a high-current pulsed ion beam composed of a mixed ion beam with an ion energy of 250keV, a beam current density of 120A / cm², and a pulse width of 80ns to irradiate the surface of the above-mentioned bearings. 3 ...

Embodiment 3

[0037] A surface treatment process for a sliding bearing used in a lead ingot cold granulator, comprising:

[0038] (1) Cleaning: Clean the outer ring and inner ring of the bearing as a whole to remove dust and impurities on the surface of the outer ring and inner ring of the bearing;

[0039] (2) Pre-assembly: Preliminary assembly of bearing outer ring, inner ring and rolling elements;

[0040] (4) Pickling activation: Put the bearing into the activation solution, soak it for 2.2 hours at 35°C, then take it out, wash the surface with clean water, and dry it at low temperature; the activation solution It is made of the following components by weight percentage: 0.02% nitric acid, 0.46% hydrochloric acid, and the rest is water;

[0041] (5) Irradiation treatment: Use a high-current pulsed ion beam composed of a mixed ion beam with an ion energy of 250keV, a beam current density of 120A / cm², and a pulse width of 80ns to irradiate the surface of the bearings treated above. 3 ti...

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PUM

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Abstract

The invention discloses a surface treatment technology of a sliding bearing for a lead pig cold granulator. The technology comprises the steps of firstly, cleaning, secondly, pre-assembling, fourthly, pickling activation, fifthly, radiation treatment, sixthly, quenching, seventhly, tempering and eighthly, powder coating. Through the synergistic effect of whole procedure treatment, the impact-resisting wear property of the treated bearing is greatly improved, the technology is applied to a shear device of the lead pig cold granulator, the precision and the thickness of the section are greatly improved, the thickness is uniform, no knife connecting phenomenon exists, the shearing effect is better, the sectioning efficiency is high, meanwhile, energy consumption is reduced, and the service life of the shearing device is prolonged by three to four times.

Description

technical field [0001] The invention relates to the technical field of preparation of a lead ingot cold granulator, in particular to a surface treatment process for a sliding bearing used in a lead ingot cold granulator. Background technique [0002] Lead ingot cold granulator is the most advanced product on the lead-acid battery production line. The transmission device, power device, and actuator on the lead ingot cold granulator all need bearings to operate, and the lead ingot shearing device needs to use sliding bearings, which work under sliding friction. The sliding bearings used in the lead ingot shearing device need to meet many properties, such as wear resistance, long life and high precision. However, the existing sliding bearings cannot meet the requirements of the lead ingot shearing device. The cost is too high, and a process for modifying the existing sliding bearing is needed to meet the demand of the lead ingot shearing device. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F1/08B05D7/14
CPCB05D7/14B05D2202/45B05D2503/00C22F1/002C22F1/08
Inventor 余华乔
Owner 蚌埠市华鼎机械科技有限公司
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