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A cutting fluid, general-purpose technology, applied in the field of metal cutting, can solve problems such as precipitation, unstable working fluid, etc.
Active Publication Date: 2021-09-10
WUXI GAORUNJIE CHEM
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Abstract
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Problems solved by technology
At present, cutting fluid products in use generally react with calcium salts and magnesium salts in dilution water, resulting in unstable working fluid, accompanied by the phenomenon of oil and soap precipitation
Method used
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Embodiment 1
[0027]
[0028] Preparation process of cutting fluid: heat mineral oil to 60°C, add vegetable oleic acid, couplant, monoethanolamine, preservative, and surfactant in turn, stir for 0.5h, add water, stir for 0.5h, cool down to 30°C, add sterilizing agent, antifoaming agent, stir for 1h, let stand for 1-2h, filter and fill.
[0029] Stability test of cutting fluid to hard water:
[0030] Experimental process: Put 100ml of 5% cutting fluid diluted with hard water into a stoppered measuring cylinder, and let it stand at room temperature for 24 hours.
[0031]
[0032] Note: The oil separation is a transparent liquid layer, and the soap separation is a white to yellow flocculent suspension.
[0033] The results of the stability test show that nonylphenol polyoxyethylene ether, Span 80 and oleyl ether carboxylic acid have a synergistic effect, which can significantly improve the hard water resistance of the cutting fluid.
Embodiment 2
[0035]
[0036]
[0037] Preparation process of cutting fluid: heat mineral oil to 60°C, add vegetable oleic acid, couplant, monoethanolamine, preservative, and surfactant in turn, stir for 0.5h, add water, stir for 0.5h, cool down to 30°C, add sterilizing agent, antifoaming agent, stir for 1h, let stand for 1-2h, filter and fill.
Embodiment 3
[0039]
[0040] Preparation process of cutting fluid: heat mineral oil to 60°C, add vegetable oleic acid, couplant, monoethanolamine, preservative, and surfactant in turn, stir for 0.5h, add water, stir for 0.5h, cool down to 30°C, add sterilizing agent, antifoaming agent, stir for 1h, let stand for 1-2h, filter and fill.
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Abstract
The invention discloses a general-purpose cutting fluid. The general-purpose cutting fluid comprises: 300-400 parts of mineral oil, 65-73 parts of vegetable oleic acid, 40-60 parts of alcohol amine, and 102-160 parts of preservative 55-80 parts of surfactant, 2-6 parts of couplant, 5-10 parts of bactericide, 1-3 parts of defoamer, 400-500 parts of water. The general-purpose cutting fluid of the present invention does not contain nitrite and sulfide, and is an environmentally friendly product. The working fluid is stable and has excellent resistance to hard water. It can be applied to various water quality conditions in different regions and can meet various CNC, The technological requirements of gantry numerical control, drilling machines, grinding machines and other mechanical processing and the anti-corrosion requirements of various conventional metal materials simplify the maintenance and management procedures of oil products in the production process of large-scale machining enterprises and reduce the comprehensive use cost.
Description
technical field [0001] The invention belongs to the field of metal cutting, and in particular relates to a general-purpose cutting fluid. Background technique [0002] Cutting fluid is an industrial medium used to cool and lubricate workpieces and tools in metal processing such as turning and grinding. In order to adapt to processing conditions and product requirements, it must have certain cleaning and antirust properties. [0003] However, the cutting fluid currently used has the following defects, [0004] 1. As the forms of metal cutting tend to be more abundant, commonly used processes include milling, drilling, planing, broaching, turning and grinding. There are few applicable types of processes, and cutting fluid products with low adaptability to working conditions are no longer suitable for large metal Due to the characteristics of processing conditions, due to the large number of equipment and many processing procedures, the use of various types of cutting fluids w...
Claims
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Application Information
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