CN104450141A - Fully-synthetic water-based lubricating fluid for welding multilayer composite aluminum alloy pipe, and application of fully-synthetic water-based lubricating fluid - Google Patents
Fully-synthetic water-based lubricating fluid for welding multilayer composite aluminum alloy pipe, and application of fully-synthetic water-based lubricating fluid Download PDFInfo
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Abstract
The invention discloses a fully-synthetic water-based lubricating fluid for welding a multilayer composite aluminum alloy pipe, and application of the fully-synthetic water-based lubricating fluid. The lubricating fluid comprises 5 to 50 weight percent of basic liquid, 0.1 to 5 weight percent of an anti-wear agent, 0.05 to 5 weight percent of an anti-rusting agent, 0.1 to 6 weight percent of a pH regulator, 0.1 weight percent of a complexing agent and the balance of water, wherein the basic liquid is at least one of polyoxyethylene-polyoxypropylene block polyether and fatty acid polyoxyethylene ether, of water-soluble polyether. The lubricating fluid has high lubricating property, detergency, anti-wear property and cooling property, and is environment-friendly and pollution-free.
Description
Technical field
The invention belongs to non-ferrous metal forming process field, specifically, the present invention relates to a kind of total synthesis water-base lubricating fluid and application thereof of welding MULTILAYER COMPOSITE aluminium-alloy pipe.
Background technology
MULTILAYER COMPOSITE aluminium-alloy pipe is mainly used in car radiator aspect.Batch quantity-produced production line of high-frequency welded tube forms by overlapping monomer infrastructure device more, and wherein the place of most critical is: hight frequency welding power supply, tube forming unit, aligning unit and molding roller, high-speed flying shear unit etc.Use lubricating fluid should ensure: stable molding, reliable, shaping time edge do not produce the phenomenons such as fold, overlap joint, dewlap, in Cheng Guanhou pipe, razor does not scratch when rejecting burr, and certain shaping speed should be had, in order to avoid welded tube produces defect, there is certain production efficiency simultaneously, on the contact surface because speed improves in tube forming, straightening process, tube surfaces occurrence temperature sharply rises.Heavy wear or sintering is there is in order to reduce in tube forming process, thus the effect requiring lubricant to play antifriction and prevent wearing and tearing, cool, lubricate, to improve the seed output and quality of drawing process processing, prevent the defect such as surface tear, fold, bending, bias, crackle, broken end, metal press-in.
The shaping lubricating fluid of aluminium alloy mainly adopts full oil lubrication and emulsion lubrication at present, in molding process, require that lubricating fluid has good oilness, and require that lubricating fluid has good resistance to abrasion at high-speed flying shear unit, the lubricating fluid mainly emulsion used in hight frequency welding MULTILAYER COMPOSITE aluminium-alloy pipe process at present, completely water base lubricating fluid does not also have commercially available prod, and there is many use problems in emulsion, first oil is Nonrenewable energy resources, emulsion is easily putrid and deteriorated, there is environmental issue, in use easily there is aluminium soap in emulsion, easily there is the defects such as corrosion on shaping pipe surface, there is the feature that detergency is poor simultaneously.
Usually require that the shaping lubricating fluid of aluminium has stronger oilness, strength of lubricant film is large, resistance to abrasion and sticky warm nature good, extreme pressure property, cooling, cleaning and oilness are good, reduce the wearing and tearing of shaping jig, there is the shear-stress that well flows, improve metallic surface smooth finish and specification precision, have certain chemical stability and minimizing to occur the features such as oil mark.Guarantee that the aluminium and aluminium alloy pipe after drawing has best bright finish.Water-based lubricating liquid is single-phase due to solution, there is not demulsifying phenomenon, and not perishable smelly, is following lubricating fluid developing direction.
Therefore, existing lubricating fluid is further improved.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, one object of the present invention is to propose a kind of total synthesis water-base lubricating fluid and application thereof of welding MULTILAYER COMPOSITE aluminium-alloy pipe, and this lubricating fluid has good oilness, detergency, resistance to abrasion and cooling, and environmental friendliness is pollution-free.
In one aspect of the invention, the present invention proposes a kind of total synthesis water-base lubricating fluid welding MULTILAYER COMPOSITE aluminium-alloy pipe, comprising:
The basal liquid of 5 ~ 50wt%;
The anti-wear agent of 0.1 ~ 5wt%;
The rust-preventive agent of 0.05 ~ 5wt%;
The pH adjusting agent of 0.1 ~ 6wt%;
The complexing agent of 0.1wt%; And
The water of surplus,
Wherein,
Described basal liquid is be selected from the PULLRONIC F68 block polyether in water soluble polyether and at least one in aliphatic acid polyethenoxy ether.
Pass through to use liquid based on water soluble polyether according to the total synthesis water-base lubricating fluid of the welding MULTILAYER COMPOSITE aluminium-alloy pipe of the embodiment of the present invention, because water soluble polyether has good film forming, oilness, therefore obtained lubricating fluid is made to have good spreadability and detergency in metallic surface, thus surface smoothness and the specification precision of composite aluminum alloy pipe can be significantly improved, obtained composite aluminum alloy pipe is met indefectible, the features such as surface-brightening, this basal liquid can be dissolved into clear solution completely in water simultaneously, thus can become in pipe process to form good lubricant film at aluminium alloy, and can arrange in pairs or groups with other auxiliary agents, thus make obtained lubricating fluid have good oilness, detergency, resistance to abrasion, cooling and chemical stability, and environmental friendliness is pollution-free.
In addition, the total synthesis water-base lubricating fluid of welding MULTILAYER COMPOSITE aluminium-alloy pipe according to the above embodiment of the present invention can also have following additional technical characteristic:
In some embodiments of the invention, described lubricating fluid comprises: the described basal liquid of 5 ~ 20wt%; The described anti-wear agent of 1 ~ 3wt%; The described rust-preventive agent of 0.1 ~ 3wt%; The described pH adjusting agent of 1 ~ 4wt%; The described complexing agent of 0.1wt%; And the water of surplus.Thus, the lubricating fluid with good oilness, detergency, resistance to abrasion, cooling and chemical stability can be obtained further.
In some embodiments of the invention, the pH of described lubricating fluid is 6 ~ 10.Thus, the chemical stability of lubricating fluid can be significantly improved.
In some embodiments of the invention, the molecular-weight average of described basal liquid is 1000 ~ 3000.Thus, the chemical stability of lubricating fluid can be improved further.
In some embodiments of the invention, described anti-wear agent is be selected from least one in water miscible C8 ~ C20 lipid acid phosphoric acid ester, phosphoric acid butoxyethyl, phosphoric acid 2-diethyl acetamidomalonate and phosphoric acid glycol ester.Thus, the resistance to abrasion of lubricating fluid can be significantly improved.
In some embodiments of the invention, described rust-preventive agent is be selected from least one in C8-C20 lipid acid, triethanolamine oleate and Starso, at least one in preferred fatty acid and Starso.Thus, the rust-preventing characteristic of lubricating fluid can be significantly improved.
In some embodiments of the invention, described pH adjusting agent is be selected from least one in diethanolamine, trolamine and diisopropanolamine (DIPA).Thus, the chemical stability of lubricating fluid can be improved further.
In some embodiments of the invention, described complexing agent is be selected from least one in EDTA and citric acid.Thus, the chemical stability of lubricating fluid can be improved further.
In another aspect of the present invention, the present invention proposes a kind of method of welding MULTILAYER COMPOSITE aluminium-alloy pipe, the method adopts lubricating fluid described above the carrying out to described composite aluminum alloy pipe to weld.
Method according to the welding MULTILAYER COMPOSITE aluminium-alloy pipe of the embodiment of the present invention has good oilness, detergency, resistance to abrasion, cooling and chemical stability by use is above-mentioned, and the free of contamination lubricating fluid of environmental friendliness, surface smoothness and the specification precision of composite aluminum alloy pipe can be significantly improved, thus make obtained composite aluminum alloy pipe meet the features such as indefectible, surface-brightening.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the gained aluminium-alloy pipe surface topography spectrogram after the total synthesis water-base lubricating fluid adopting embodiment 2 to weld MULTILAYER COMPOSITE aluminium-alloy pipe welds composite aluminum alloy pipe;
Fig. 2 is the gained aluminium-alloy pipe surface topography spectrogram after adopting the emulsion of comparative example to weld composite aluminum alloy pipe;
Fig. 3 is the gained aluminium-alloy pipe surface-element analytical data spectrogram after the total synthesis water-base lubricating fluid adopting embodiment 2 to weld MULTILAYER COMPOSITE aluminium-alloy pipe welds composite aluminum alloy pipe;
Fig. 4 is the gained aluminium-alloy pipe surface-element analytical data spectrogram after adopting the emulsion of comparative example to weld composite aluminum alloy pipe.
Embodiment
Embodiments of the invention are described below in detail.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In one aspect of the invention, the present invention proposes a kind of total synthesis water-base lubricating fluid welding MULTILAYER COMPOSITE aluminium-alloy pipe.According to embodiments of the invention, this lubricating fluid comprises: the basal liquid of 5 ~ 50wt%; The anti-wear agent of 0.1 ~ 5wt%; The rust-preventive agent of 0.05 ~ 5wt%; The pH adjusting agent of 0.1 ~ 6wt%; The complexing agent of 0.1wt%; And the water of surplus, according to a particular embodiment of the invention, basal liquid can for being selected from the PULLRONIC F68 block polyether in water soluble polyether and at least one in aliphatic acid polyethenoxy ether.Contriver finds, by using liquid based on water soluble polyether, because water soluble polyether has good film forming, oilness, therefore obtained lubricating fluid is made to have good spreadability and detergency in metallic surface, thus surface smoothness and the specification precision of composite aluminum alloy pipe can be significantly improved, obtained composite aluminum alloy pipe is met indefectible, the features such as surface-brightening, this basal liquid can be dissolved into clear solution completely in water simultaneously, thus can become in pipe process to form good lubricant film at aluminium alloy, and can arrange in pairs or groups with other auxiliary agents, thus make obtained lubricating fluid have good oilness, detergency, resistance to abrasion, cooling and chemical stability, and environmental friendliness is pollution-free.
According to a particular embodiment of the invention, this lubricating fluid can comprise: the basal liquid of 5 ~ 20wt%; The anti-wear agent of 1 ~ 3wt%; The rust-preventive agent of 0.1 ~ 3wt%; The pH adjusting agent of 1 ~ 4wt%; The complexing agent of 0.1wt%; And the water of surplus.Thus, the lubricating fluid with good oilness, detergency, resistance to abrasion, cooling and chemical stability can be obtained further.
According to embodiments of the invention, the pH value of lubricating fluid is also not particularly limited, and according to a particular embodiment of the invention, the pH value of lubricating fluid can be 6 ~ 10, preferred pH is 7 ~ 8.Thus, the chemical stability of lubricating fluid is improved further.
According to embodiments of the invention, the particular type of the basal liquid used in lubricating fluid is also not particularly limited, according to a particular embodiment of the invention, can adopt molecular-weight average be 1000 ~ 3000 basal liquid.Contriver finds, molecular weight lower than 1000 polyethers, although have good oilness, but resistance to abrasion is poor, easily to wear and tear, and the polyethers that molecular weight is greater than 3000 due to viscosity large, oilness is relatively poor, thus adopt molecular-weight average be 1000 ~ 3000 polyethers based on liquid, can ensure that obtained lubricating fluid has higher lubricity and abrasion resistance.
According to embodiments of the invention, in lubricating fluid anti-wear agent particular type and be not particularly limited, according to a particular embodiment of the invention, anti-wear agent can for being selected from least one in water miscible C8 ~ C20 lipid acid phosphoric acid ester, phosphoric acid butoxyethyl, phosphoric acid 2-diethyl acetamidomalonate and phosphoric acid glycol ester.Contriver finds, phosphoric acid ester anti-wear agent, in boundary lubrication situation, can form boundary film with metallic surface, when zone of action temperature rising extreme pressure agent is rapid and metallic surface forms mineral membrane, thus can play good antiwear and reducing friction effect.
According to embodiments of the invention, in lubricating fluid rust-preventive agent particular type and be not particularly limited, according to a particular embodiment of the invention, rust-preventive agent can for being selected from least one in C8-C20 lipid acid, triethanolamine oleate and Starso, such as, at least one in lipid acid and Starso.Contriver finds, such rust-preventive agent has non-polar group and polar group, nonpolar group has lipophilicity, and polar group has wetting ability, polar group has the tendency being adsorbed on aluminum alloy surface, when polar group is adsorbed on metallic surface, non-polar group aligns the other end in polar group, thus the nonpolar hydrophobic layer of one deck is formed in metallic surface, prevent entering of the materials such as the ion participating in reaction, thus reach antirust object, and then significantly improve the chemical stability of lubricating fluid.
According to embodiments of the invention, in lubricating fluid pH adjusting agent particular type and be not particularly limited, according to a particular embodiment of the invention, pH adjusting agent can for being selected from least one in diethanolamine, trolamine and diisopropanolamine (DIPA).Contriver finds, such pH adjusting agent and lubricating fluid of the present invention have good consistency, thus obtain the lubricating fluid with good chemical stability.
According to embodiments of the invention, the particular type of lubricating fluid complexing agent is also not particularly limited, and according to a particular embodiment of the invention, complexing agent can for being selected from least one in EDTA and citric acid.Contriver finds, such complexing agent is the organic complexing agent with more function group, can throw out in high efficiency dispersion water in suspension, and the dirty body produced can make throw out become fluidization, the stability of adjustment water-based lubricating liquid, stop precipitation to produce, thus improve the chemical stability of lubricating fluid further.
Pass through to use liquid based on water soluble polyether according to the total synthesis water-base lubricating fluid of the welding MULTILAYER COMPOSITE aluminium-alloy pipe of the embodiment of the present invention, because water soluble polyether has good film forming, oilness, therefore obtained lubricating fluid is made to have good spreadability and detergency in metallic surface, thus surface smoothness and the specification precision of composite aluminum alloy pipe can be significantly improved, obtained composite aluminum alloy pipe is met indefectible, the features such as surface-brightening, this basal liquid can be dissolved into clear solution completely in water simultaneously, thus can become in pipe process to form good lubricant film at aluminium alloy, and can arrange in pairs or groups with other auxiliary agents, thus make obtained lubricating fluid have good oilness, detergency, resistance to abrasion, cooling and chemical stability, and environmental friendliness is pollution-free.
Concrete, the compound method of lubricating fluid is as follows, anti-wear agent is mixed according to predetermined proportion with rust-preventive agent, then stir 30 minutes after mixture being added the basal liquid of predetermined proportion, pH adjusting agent and complexing agent, be formulated as the solution of stable homogeneous, the water (pure water or deionized water) then adding surplus can obtain the total synthesis water-base lubricating fluid welding MULTILAYER COMPOSITE aluminium-alloy pipe.
In another aspect of the present invention, the present invention proposes a kind of method of welding MULTILAYER COMPOSITE aluminium-alloy pipe.According to embodiments of the invention, the method adopts carry out of above-mentioned lubricating fluid to described composite aluminum alloy pipe to weld.The method has good oilness, detergency, resistance to abrasion, cooling and chemical stability by use is above-mentioned, and the free of contamination lubricating fluid of environmental friendliness, surface smoothness and the specification precision of composite aluminum alloy pipe can be significantly improved, thus make obtained composite aluminum alloy pipe meet the features such as indefectible, surface-brightening.
Below with reference to specific embodiment, present invention is described, it should be noted that, these embodiments are only descriptive, and do not limit the present invention in any way.
Embodiment 1
Formula composition: the water of the triethanolamine oleate of the polyoxyethylene poly-oxygen propylene aether (molecular-weight average is 1500) of 5wt%, the phosphoric acid butoxyethyl of 1wt%, 0.1wt%, the trolamine of 1wt%, the EDTA of 0.1wt% and surplus;
Preparation method:
Anti-wear agent is mixed according to predetermined proportion with rust-preventive agent, then stir 30 minutes add the basal liquid of predetermined proportion, pH adjusting agent and complexing agent in mixture after, be formulated as the solution of stable homogeneous, the water (pure water or deionized water) then adding surplus can obtain the total synthesis water-base lubricating fluid welding MULTILAYER COMPOSITE aluminium-alloy pipe.
Embodiment 2
Formula composition: the fatty alcohol-polyoxyethylene ether (molecular-weight average is 1000-1500) of 10wt%, the lauric acid phosphoric acid ester of 1.5wt%, 1wt%'s contains hendecoic acid and Starso mixture; The water of the trolamine of 2wt%, the EDTA of 0.1wt% and surplus;
Preparation method: with embodiment 1.
Embodiment 3
Formula composition: the polyoxyethylene poly-oxygen propylene aether (molecular-weight average is 2500) of 20wt%, the phosphoric acid glycol ester of 3wt%, 3wt%'s contains triethanolamine oleate and Starso mixture; The water of the trolamine of 4wt%, the citric acid of 0.1wt% and surplus;
Preparation method: with embodiment 1.
Comparative example
Formula composition: the nonionogenic tenside of the mineral oil of 40 ~ 60wt%, the petroleum sodium sulfonate of 10 ~ 20wt%, 1 ~ 10wt%, the triethanolamine borate of 1 ~ 5wt%, 10 ~ 20wt% chlorinatedpolyolefins, the trolamine of 5 ~ 15wt% and the water of surplus;
Preparation method: first triethanolamine borate, chlorinatedpolyolefins, trolamine, a small amount of water are mixed according to predetermined proportion, then in mixture, add petroleum sodium sulfonate and the nonionogenic tenside of predetermined proportion, mineral oil is heated to 60 degrees Celsius, then along with stirring, above obtained mixing solutions limit is joined in mineral oil, until mix, without precipitation, then add people's excess water, mix and stop heating, obtain emulsion.
Evaluate:
1, respectively to embodiment 2 and comparative example obtain lubricating fluid the polishing machine of composite aluminum alloy pipe is evaluated.
2, evaluation index and testing method:
Polishing machine is tested: laboratory apparatus uses MR-H5 type high-speed loop block abrasion tester, hight frequency welding aluminium-alloy pipe trier, use the metallic surface pattern after Dutch FEI ambient electronic flying-spot microscope Quanta 200 FEG observation frictional experiment and ultimate analysis, friction pair is that GCr15 bearing steel is to Al alloy block, speed of experiment is respectively 1m/s, 2m/s, 3m/s, 4m/s.
Conclusion: Fig. 1 is the aluminium-alloy pipe surface topography spectrogram using embodiment 2 gained lubricating fluid, Fig. 2 is the aluminium-alloy pipe surface topography spectrogram using comparative example gained emulsion, Fig. 3 is for using embodiment 2 lubricating fluid gained aluminium-alloy pipe surface-element analytical data spectrogram, and Fig. 4 is the emulsion gained aluminium-alloy pipe surface-element analytical data spectrogram using comparative example.As seen from the figure, adopt the aluminium-alloy pipe surface unusual light of the gained of the total synthesis water-base lubricating fluid of the welding MULTILAYER COMPOSITE aluminium-alloy pipe of embodiment 2, without obviously scratching, without sticky aluminium, the phenomenon such as corrosion-free, and pass through the aluminum alloy surface of aluminium-alloy pipe surface oxygen content lower than the emulsion gained of use comparative example of the lubricating fluid gained of the known use embodiment 2 of ultimate analysis, show to use the aluminium-alloy pipe surface of total synthesis water-base lubricating fluid lubrication not by aqueous corrosion, there is good rust-preventing characteristic, crizzle is little simultaneously, no marking is without point corrosion, defect is not almost had to produce, and there is point corrosion in the aluminium-alloy pipe surface of emulsion lubrication, poor lubricity simultaneously, there is obvious cut.Compared with using the aluminium-alloy pipe surface of emulsion lubrication, total synthesis water-base lubricating fluid of the present invention has good rust-preventing characteristic and oilness, has good abrasion resistance simultaneously.From macroscopic perspective, from microcosmic and macroscopic perspective, the aluminium-alloy pipe surface of glossiness and emulsion lubrication quite, all illustrates that the total synthesis water-base lubricating fluid that the present invention welds MULTILAYER COMPOSITE aluminium-alloy pipe has good oilness, rust-preventing characteristic, detergency is fine simultaneously, easy cleaning.
In addition, preparation method of the present invention is simple, need not heat, not only saved the energy but also have good environment friendly, oilness, the advantages such as rust-preventing characteristic compared with emulsion.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification sheets or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (9)
1. weld a total synthesis water-base lubricating fluid for MULTILAYER COMPOSITE aluminium-alloy pipe, it is characterized in that, comprising:
The basal liquid of 5 ~ 50wt%;
The anti-wear agent of 0.1 ~ 5wt%;
The rust-preventive agent of 0.05 ~ 5wt%;
The pH adjusting agent of 0.1 ~ 6wt%;
The complexing agent of 0.1wt%; And
The water of surplus,
Wherein,
Described basal liquid is be selected from the PULLRONIC F68 block polyether in water soluble polyether and at least one in aliphatic acid polyethenoxy ether.
2. lubricating fluid according to claim 1, is characterized in that, comprising:
The described basal liquid of 5 ~ 20wt%;
The described anti-wear agent of 1 ~ 3wt%;
The described rust-preventive agent of 0.1 ~ 3wt%;
The described pH adjusting agent of 1 ~ 4wt%;
The described complexing agent of 0.1wt%; And
The water of surplus.
3. lubricating fluid according to claim 2, is characterized in that, the pH value of described lubricating fluid is 6 ~ 10.
4. lubricating fluid according to claim 2, is characterized in that, the molecular-weight average of described basal liquid is 1000 ~ 3000.
5. lubricating fluid according to claim 2, is characterized in that, described anti-wear agent is be selected from least one in water miscible C8 ~ C20 lipid acid phosphoric acid ester, phosphoric acid butoxyethyl, phosphoric acid 2-diethyl acetamidomalonate and phosphoric acid glycol ester.
6. lubricating fluid according to claim 2, is characterized in that, described rust-preventive agent is be selected from least one in C8-C20 lipid acid, triethanolamine oleate and Starso, at least one in preferred fatty acid and Starso.
7. lubricating fluid according to claim 2, is characterized in that, described pH adjusting agent is be selected from least one in diethanolamine, trolamine and diisopropanolamine (DIPA).
8. lubricating fluid according to claim 2, is characterized in that, described complexing agent is be selected from least one in EDTA and citric acid.
9. weld a method for MULTILAYER COMPOSITE aluminium-alloy pipe, it is characterized in that, adopt carry out of lubricating fluid to described composite aluminum alloy pipe described in any one of claim 1 ~ 8 to weld.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107459980A (en) * | 2016-06-06 | 2017-12-12 | 中石化石油工程技术服务有限公司 | A kind of drilling fluid Thermo-sensitive controlled release lubricant and preparation method thereof |
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| US4452711A (en) * | 1983-01-20 | 1984-06-05 | Aluminum Company Of America | Aqueous metalworking lubricant containing polyoxypropylene-polyoxyethylene-polyoxypropylene block copolymers |
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