CN102732358A - Cold extrusion lubricant and use method thereof - Google Patents
Cold extrusion lubricant and use method thereof Download PDFInfo
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- CN102732358A CN102732358A CN2012102026844A CN201210202684A CN102732358A CN 102732358 A CN102732358 A CN 102732358A CN 2012102026844 A CN2012102026844 A CN 2012102026844A CN 201210202684 A CN201210202684 A CN 201210202684A CN 102732358 A CN102732358 A CN 102732358A
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Abstract
The present invention discloses a cold extrusion lubricant and a use method thereof. The lubricant is prepared by mixing two lubricants, wherein one is an oily lubricant, the other is an aqueous lubricant, a ratio of the oily lubricant to the aqueous lubricant is 1:4-6, the oily lubricant is a petroleum-base mineral oil, and the aqueous lubricant is a polymer of PAG macromolecule. Compared with the lubricant in the prior art, the lubricant of the present invention has advantages of simple formulation, good lubricating effect, long shelf-life time, and the like.
Description
Technical field
The invention belongs to the cold extrusion technical field of lubricant preparation, particularly a kind of cold extrusion lubricant and method of use thereof.
Background technology
The size of cold-stamped metal plastic deformation drag mainly receives the constraint of mould strength.In moulding process, the successive extruding acutely rubs metal and mould, and transient temperature can reach 200-300 ℃, even up to 400 ℃.So, except the quality that improves mould, also must take the effective lubricating measure.From the characteristic of plastic working, the cold extrusion lubricant should satisfy following condition: 1. voltage endurance capability will reach more than the 200MPa.2. lubricant will fully be covered on the metal compressive surface.3. keep extremely low frictional coefficient.What traditional technology was used is phosphatization-saponification process.And because phosphatization-saponification treatment process is various, the treatment time is long, and the phosphatization specification of quality is strict, and simultaneously, etching waste liquor pollutes environment, thereby new lubricating system is all being sought to replace phosphatization-saponification process in countries in the world.
Mostly the fastening piece lubricant of domestic application of present stage is (gleitmo) the special-purpose lubricated water wax of fastening piece of Germany's " but Z-TEK mill "; It is a kind of water-soluble high molecular polymer cream; Workpiece is immersed in the water wax, and taking-up need centrifugally be got rid of even, and needs 60-100 ℃ hot-air seasoning.Because " but Z-TEK mill " (gleitmo) water wax is a kind of high molecular polymer; Be difficult to the coating uniformity at fastener surface, and water wax easy scale formation, cause in the use loss bigger; Cost is high; Simultaneously " but Z-TEK mill " (gleitmo) quality guaranteed period short, after the product that " but Z-TEK mill " applies was deposited 2 years, its lubricant effect just descended to some extent.
Through preliminary search, find that existing a lot of cold extrusion lubricant all can add some solids in its prescription, mainly as follows:
1, application number is the top coat that is used for cold extrusion shaped metallic conduit accessory material base that 200610039594.2 patent of invention discloses a kind of easy to clean, it by gypsum, machinery oil, three kinds of components of railway grease by weight being 1: (3 ~ 10): (0.1 ~ 0.8) mixes; Wherein, the gypsum staple is hydrous calcium sulfate (CaSO42H2O), and its granularity requirements is for being not less than 300 orders, and machinery oil is an oils easy to lubricate, and railway grease is fusible solid-state sticker.The thickness of top coat is 100-250 μ m.Apply the present invention equably at the outer surface of tube blank of treating cold extrusion shaped or stress deformation, processing back products surface quality evenly do not have pull, mould do not have pull, and can reduce the vibration degreasing process, usage charges are low.It is in cold extrusion shaped metal products processing.
2, application number is that 201010124144.X discloses a kind of titanium alloy cold-stamped lubricant that is used for, and is made up of the Fe3O4 nanoparticle that cylinder stock oil and oleic acid coat.The preparation method of said cold extrusion lubricant has two kinds, and the process step of first method is: the Fe3O4 nanoparticle that (1) preparation oleic acid coats; (2) the Fe3O4 nanoparticle that oleic acid is coated is dispersed in the said cylinder stock oil in normal pressure, room temperature.The process step of second method is: the Fe3O4 nanoparticle that (1) preparation oleic acid coats; (2) the Fe3O4 nanoparticle that oleic acid is coated places externally-applied magnetic field to magnetize processing; The Fe3O4 nanoparticle that (3) will coat through the oleic acid that magnetization is handled is dispersed in the said cylinder stock oil in normal pressure, room temperature.Said cold extrusion lubricant is used for the titanium alloy cold-extrusion shaping.
Application number is that 200910180064.3 patent of invention discloses a kind of lubricating composition that is used for cold extrusion technology; By weight, comprise 100 parts base oil, 0.5～20 part anti-wear agent, 10～40 parts friction improver, 0.1～2 part rust-preventive agent, 0.1～2 part ashless dispersant, 0.001～2 part the trapping agent of chlorine of oxidation inhibitor and 0.2～5 part.The present invention has high abrasion resistance and very low frictional coefficient; Can in cold extrusion technology, not need work material is carried out under the pre-treatment prerequisites such as phosphatization-saponification; Make the demoulding smoothly of part to be processed and mould; The product light is accurate, thereby has improved the production efficiency of cold extrusion technology greatly, and the while also makes and obtained prolongation the work-ing life of mould.
Existing cold extrusion lubricant or adding solids, or add multiple additives, its prescription is comparatively complicated, and use cost is high.
Summary of the invention
To shortcoming of the prior art, the present invention provides a kind of fill a prescription cold extrusion lubricant and method of use thereof simple, easy to use, long quality-guarantee period.
The technical scheme that the present invention adopts is: a kind of cold extrusion lubricant, form by two kinds of mix lubricant, and a kind of is oily lubricant, and a kind of is water-based lubricant, and oily lubricant and water-based lubricant ratio are 1:4 ~ 6.
Further, said oily lubricant is petroleum-based MO, and water-based lubricant is the high molecular polymkeric substance of PAG.
Further, to mix with water-based lubricant be to be that 30 ~ 80 ℃, pressure are to stir 30 ~ 50min in the pressurized vessel of 1 ~ 3 standard atmospheric pressure to form in temperature to said oily lubricant.
Method of use when above-mentioned lubricant is used for cold extrusion may further comprise the steps:
(1) workpiece to be coated is put into the container that fills lubricant, immerse fully;
(2) after workpiece soaked and finishes, taking-up drained, seasoning.
Further, in step (), the time that workpiece soaks in lubricant is 3 ~ 5min.
Further, in step (two), drain the back and use air-dry method dry.
Further, in step (two), below workpiece, be placed with container when workpiece drains, be used to reclaim lubricant.
The invention has the advantages that: 1, the present invention fills a prescription simply, only needs water-based lubricant and oily lubricant to mix promptly according to a certain percentage and processes; 2, method of use of the present invention is also simple; Only need to get final product through simply soaking, drying; Do not need heating, Germany's " but Z-TEK rubs " effective rate of utilization improves more than 30% relatively, and through evidence; Its quality guaranteed period relatively Germany's " but Z-TEK rubs " have especially significantly and to improve, can guarantee the quality more than 3 years.
Embodiment
Come further to set forth the present invention through embodiment below.
Embodiment 1
A kind of cold extrusion lubricant is formed by two kinds of mix lubricant, and a kind of is oily lubricant, and a kind of is water-based lubricant, and oily lubricant and water-based lubricant ratio are 1:4.
Further, said oily lubricant is petroleum-based MO, and water-based lubricant is the high molecular polymkeric substance of PAG.
Further, to mix with water-based lubricant be to be that 30 ℃, pressure are to stir 50min in the pressurized vessel of 1 standard atmospheric pressure to form in temperature to said oily lubricant.
Two kinds of components are dissolved each other, and oily lubricant is the small macromolecular particle of poling in the high molecular polymer of water-based.Workpiece soaks for some time at the lubricant that two kinds of components constitute, drain, seasoning or air-dry after, the PAG high molecular polymer becomes solid-like, there is the atomic small-particle of many oily lubricants its inside, resistance is very little in cold extrusion shaped process.Compare with Germany's " but Z-TEK mill " simultaneously, its quality guaranteed period is longer, and after the product that Germany's " but Z-TEK mill " applies was deposited 2 years, its lubricant effect just descended to some extent, and the product that lubrication prescription of the present invention applies is after 3 years, and its lubricant effect does not have to decay basically.
Embodiment 2
A kind of cold extrusion lubricant is formed by two kinds of mix lubricant, and a kind of is oily lubricant, and a kind of is water-based lubricant, and oily lubricant and water-based lubricant ratio are 1:5.
Further, said oily lubricant is petroleum-based MO, and water-based lubricant is the high molecular polymkeric substance of PAG.
Further, to mix with water-based lubricant be to be that 50 ℃, pressure are to stir 40min in the pressurized vessel of 2 standard atmospheric pressures to form in temperature to said oily lubricant.
Two kinds of components are dissolved each other, and oily lubricant is the small macromolecular particle of poling in the high molecular polymer of water-based.Workpiece soaks for some time at the lubricant that two kinds of components constitute, drain, seasoning or air-dry after, the PAG high molecular polymer becomes solid-like, there is the atomic small-particle of many oily lubricants its inside, resistance is very little in cold extrusion shaped process.Compare with Germany's " but Z-TEK mill " simultaneously, its quality guaranteed period is longer, and after the product that Germany's " but Z-TEK mill " applies was deposited 2 years, its lubricant effect just descended to some extent, and the product that lubrication prescription of the present invention applies is after 3 years, and its lubricant effect does not have to decay basically.
Embodiment 3
A kind of cold extrusion lubricant is formed by two kinds of mix lubricant, and a kind of is oily lubricant, and a kind of is water-based lubricant, and oily lubricant and water-based lubricant ratio are 1:6.
Further, said oily lubricant is petroleum-based MO, and water-based lubricant is the high molecular polymkeric substance of PAG.
Further, to mix with water-based lubricant be to be that 80 ℃, pressure are to stir 30min in the pressurized vessel of 3 standard atmospheric pressures to form in temperature to said oily lubricant.
Two kinds of components are dissolved each other, and oily lubricant is the small macromolecular particle of poling in the high molecular polymer of water-based.Workpiece soaks for some time at the lubricant that two kinds of components constitute, drain, seasoning or air-dry after, the PAG high molecular polymer becomes solid-like, there is the atomic small-particle of many oily lubricants its inside, resistance is very little in cold extrusion shaped process.Compare with Germany's " but Z-TEK mill " simultaneously, its quality guaranteed period is longer, and after the product that Germany's " but Z-TEK mill " applies was deposited 2 years, its lubricant effect just descended to some extent, and the product that lubrication prescription of the present invention applies is after 3 years, and its lubricant effect does not have to decay basically.
Method of use when above-mentioned lubricant is used for cold extrusion may further comprise the steps:
(1) workpiece to be coated is put into the container that fills lubricant, immerse fully;
(2) after workpiece soaked and finishes, taking-up drained, seasoning.
Further, in step (), the time that workpiece soaks in lubricant is 3 ~ 5min.
Further, in step (two), drain the back and use air-dry method dry.
Further, in step (two), below workpiece, be placed with container when workpiece drains, be used to reclaim lubricant.
Compare Germany's " but Z-TEK mill ", it is simple that method of use of the present invention has a coating processes, do not need heating, and the high advantage of utilization ratio of lubricant is compared Germany's " but Z-TEK mill " simultaneously, and effective rate of utilization improves more than 30%.
Above embodiment is a preferred implementation of the present invention; Only be used for further setting forth the present invention; Protection scope of the present invention is not done any restriction; Those of ordinary skills are not breaking away from distortion and the retouching of being done under essence of the present invention and the teachings, all should be regarded as within protection scope of the present invention, and protection scope of the present invention is specifically looked its claims and decided.
Claims (7)
1. a cold extrusion lubricant is characterized in that, it is formed by two kinds of mix lubricant, and a kind of is oily lubricant, and another kind is a water-based lubricant, and oily lubricant and water-based lubricant ratio are 1:4 ~ 6.
2. according to the said a kind of cold extrusion lubricant of claim 1, it is characterized in that said oily lubricant is petroleum-based MO, water-based lubricant is the high molecular polymkeric substance of PAG.
3. according to claim 1 or 2 said a kind of cold extrusion lubricants, it is characterized in that it is to be that 30 ~ 80 ℃, pressure are to stir 30 ~ 50min in the pressurized vessel of 1 ~ 3 standard atmospheric pressure to form in temperature that said oily lubricant mixes with water-based lubricant.
4. the method for use when above-mentioned lubricant is used for cold extrusion is characterized in that, may further comprise the steps:
(1) workpiece to be coated is put into the container that fills lubricant, immerse fully;
(2) after workpiece soaked and finishes, taking-up drained, seasoning.
5. according to the method for use of said this lubricant of claim 3, it is characterized in that in step (), the time that workpiece soaks is 3 ~ 5min in lubricant.
6. according to the method for use of said this lubricant of claim 3, it is characterized in that, in step (two), drain the back and use air-dry method dry.
7. according to the method for use of claim 4 or 5 said these lubricants, it is characterized in that, in step (two), below workpiece, be placed with container when workpiece drains, be used to reclaim lubricant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102026844A CN102732358A (en) | 2012-06-19 | 2012-06-19 | Cold extrusion lubricant and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102026844A CN102732358A (en) | 2012-06-19 | 2012-06-19 | Cold extrusion lubricant and use method thereof |
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| CN102732358A true CN102732358A (en) | 2012-10-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713653A (en) * | 2022-03-24 | 2022-07-08 | 上海工程技术大学 | Machining method and forming die assembly for long rod part with threaded teeth for vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408830A (en) * | 2001-09-21 | 2003-04-09 | 新日本石油株式会社 | Lubricant composition for aluminum processing |
| US20030176294A1 (en) * | 2000-09-05 | 2003-09-18 | Mamoru Yamamoto | Aqueous one step type lubricanting agent for efficient cold forging |
| CN101724498A (en) * | 2009-10-23 | 2010-06-09 | 启东市合成化工厂有限公司 | Emulsified steel plate cold-rolling lubrication oil |
| CN102002416A (en) * | 2009-09-01 | 2011-04-06 | 中国石油化工股份有限公司 | Cold rolling oil composition and use thereof |
-
2012
- 2012-06-19 CN CN2012102026844A patent/CN102732358A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030176294A1 (en) * | 2000-09-05 | 2003-09-18 | Mamoru Yamamoto | Aqueous one step type lubricanting agent for efficient cold forging |
| CN1408830A (en) * | 2001-09-21 | 2003-04-09 | 新日本石油株式会社 | Lubricant composition for aluminum processing |
| CN102002416A (en) * | 2009-09-01 | 2011-04-06 | 中国石油化工股份有限公司 | Cold rolling oil composition and use thereof |
| CN101724498A (en) * | 2009-10-23 | 2010-06-09 | 启东市合成化工厂有限公司 | Emulsified steel plate cold-rolling lubrication oil |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713653A (en) * | 2022-03-24 | 2022-07-08 | 上海工程技术大学 | Machining method and forming die assembly for long rod part with threaded teeth for vehicle |
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Application publication date: 20121017 |