Method for reducing friction coefficient of graphite lubricant
A graphite lubricant and friction coefficient technology, applied in lubricating compositions, additives, petroleum industry, etc., can solve the problem of high friction coefficient, and achieve the effect of improving lubricating performance, reducing manpower and good lubricating performance
Inactive Publication Date: 2004-11-10
天津市英研技术发展有限公司
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AI Technical Summary
Problems solved by technology
Therefore, the existing graphite lubricants have a relatively high friction coefficient
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1
[0017] Preferred graphite 1:
[0018] Graphite selected by X-ray diffraction technique: 77.5%;
[0019] Antioxidant (4426): 0.35%.
Embodiment 2
[0021] (preferably graphite 2):
[0022] Graphite selected by X-ray diffraction technique: 79.5%;
[0023] Antioxidant (264): 0.4%.
Embodiment 3
[0025] (preferably graphite 3):
[0026] Graphite selected by X-ray diffraction technique: 84.0%;
[0027] Antioxidant (264): 0.5%.
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Abstract
The invention relates to a graphite lubricant, in particular a process for lowering friction coefficient of graphite lubricant during seamless steel pipe rolling, wherein X light diffraction technique is employed to research the graphite crystal structure, and natural crystaline flake graphite crystal structure with small number of plies, high carbon content and large particle size is selected as the graphite for lubricant, anti-oxidant is also added to prevent graphite oxidization at high temperature, thus improving the lubricating property for graphite lubricant, and reducing the wear of core rods.
Description
technical field [0001] The invention relates to a graphite lubricant, in particular to a method for reducing the friction coefficient of the graphite lubricant in seamless steel pipe rolling. Background technique [0002] Graphite lubricants used in seamless steel pipe rolling (floating / box setting / clamping mandrel rolling technology), graphite is the main lubricating material, and the quality of graphite lubrication directly affects the performance of graphite lubricants. Quality, graphite lubricant has good lubricating performance (low friction coefficient), which can greatly reduce the wear of the mandrel and prolong the service life of the mandrel. Thereby greatly improving the quality of seamless steel pipes. In the prior art, graphite has not been carefully researched and selected. Therefore, the existing graphite lubricants have a relatively high coefficient of friction. Contents of the invention [0003] We have studied a method to reduce the friction coefficien...
Claims
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IPC IPC(8): C10M103/02C10M129/10
Inventor 高英敏解涛解峰解宏
Owner 天津市英研技术发展有限公司
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