CN103695088B - Lubricating agent for cold forging of magnesium and magnesium alloy materials - Google Patents
Lubricating agent for cold forging of magnesium and magnesium alloy materials Download PDFInfo
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- CN103695088B CN103695088B CN201310701764.9A CN201310701764A CN103695088B CN 103695088 B CN103695088 B CN 103695088B CN 201310701764 A CN201310701764 A CN 201310701764A CN 103695088 B CN103695088 B CN 103695088B
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Abstract
The invention discloses a lubricating agent for cold forging of magnesium and magnesium alloy materials. No.46 total-loss system oil is adopted as base oil, and is matched with multiple kinds of compound additives. The lubricating agent comprises an oiliness agent, an antiwear agent, an extreme pressure agent, an antioxidant, an anti-foaming agent and a friction modifier. The lubricating agent for cold forging of the magnesium and magnesium alloy materials, disclosed by the invention, is higher in adsorption property, and can form a uniform and continuous oil film layer with a certain thickness between a forged piece and a mould, thereby reducing the friction coefficient in a forging process, reducing the impaction of a metal fluid to the mould, and decreasing the adherence and coking of the forged piece; the lubricating agent is better in pressure-bearing property, and is capable of protecting the forged piece and the mould from being cracked; the lubricating agent is stable in components, does not corrode metal, and is suitable for lubrication in a cold forging process of the magnesium and magnesium alloy materials.
Description
Technical field
The invention belongs to the field of lubricant that non-ferrous metal forging processing and lubrication, especially Mg-based hydrogen storage material cold forging are made.
Background technology
The fusing point of magnesium is 650 DEG C, and the density of magnesium alloy is 1.75 ~ 1.85g/cm
3, lighter than aluminium alloy by 36%, lighter than zinc alloy by 73%, be only about 1/4 of steel, thus its specific tenacity and specific rigidity higher.There is excellent damping and amortization, electromagnetic wave shielding, damping, machinability and polishing and surface treatment properties in addition.Therefore, magnesium alloy is described as the metal of 21 century, obtains in recent years and develops rapidly, becomes one of minimus structural metallic materials.At Mg alloy formed technical elements, use cold forging technology for making effectively can solve magnesium alloy as easy as rolling off a log oxidizing fire in melting and the course of processing, the problem that production difficulty is large.And in cold forging processes, between mould and forging, need good lubricant to separate, while avoiding forging damage, burn failure, the effect of cooling, cleaning, lubrication can also be played.Therefore, the lubricant that use properties is excellent is the essential condition of magnesium alloy materials Cold forging development.
Magnesium alloy is that base adds other elementary composition alloys with magnesium.Be characterized in: the little (1.8g/cm of density
3left and right), specific tenacity is high, larger than Young's modulus, good heat dissipation, and shock absorbing is good, and the loading capacity that withstands shocks is larger than aluminium alloy, and the corrosive nature of resistance to organism and alkali is good.The specific tenacity of magnesium alloy higher than aluminium alloy and steel, a little less than the fibre reinforced plastics that specific tenacity is the highest; Specific rigidity is suitable with steel with aluminium alloy, far above fibre reinforced plastics; Wear resisting property is more much better than soft steel.Therefore, increasingly extensive application is just being obtained in fields such as automotive industry, communication electronics industry and aerospace.
Magnesium alloy belongs to inductile material, normally forges on pressing machine.Magnesium alloy forged starting material are ingot casting and extrusion blank mainly.And the cold die forging course of processing, Mg-based hydrogen storage material is mostly be out of shape under room temperature, can reduce the degree of oxidation of active metal.Because the travel speed of hydropress is slow, can ensure that Mg-based hydrogen storage material has higher plasticity when forging; Meanwhile, the travel speed of pressing machine is slow, the poor fluidity of magnesium alloy, and forging cools soon, is applicable to single impression die forging.Use the forging surface quality of Mg-based hydrogen storage material cold swaging technique processing good, dimensional precision is high, can make metal strengthening, homogeneous microstructure, improves the mechanical property of forging.
Summary of the invention
The technical problem to be solved in the present invention is to provide the lubricant that a kind of Mg-based hydrogen storage material cold forging is made, this lubricant has higher absorption property, one deck uniformly continous can be formed and the certain thickness oil film of tool between forging and mould, reduce the frictional coefficient in forging process, slow down metal fluid to the impact of mould, reduce forging adhesion and coking; And load performance is good, can available protecting forging, mould not ftracture; Component is stablized, and not corroding metal, is applicable to the lubrication of Mg-based hydrogen storage material cold-forging technique.
The present invention solves the problems of the technologies described above by following technical scheme: adopt oil based on No. 46 total loss system oil, coordinate multiple composite additive, its each component and mass percent are:
| Component | Content (mass percent) |
| Base oil | Surplus |
| Oiliness improver | 5.0%～15.0% |
| Anti-wear agent | 3.0%～8.0% |
| Extreme pressure agent | 3.0%～5.0% |
| Oxidation inhibitor | 0.8%～1.2% |
| Kilfoam | 0.005%～0.01% |
| Friction improver | 1.0%～3.0% |
Base oil is No. 46 total loss system oil.
Oiliness improver is industrial lard and 60% ~ 40% epoxy soybean oil compound of mass ratio 40% ~ 60%.
Anti-wear agent is clorafin 42.
Extreme pressure agent is tritolyl phosphate.
Oxidation inhibitor be mass ratio 40% ~ 60%2,6-ditertbutylparacresol and 60% ~ 40% to, to di-iso-octyldiphenylamine compound.
Kilfoam is dimethyl silicone oil.
Friction improver is lanolin.
The lubricant that Mg-based hydrogen storage material cold forging of the present invention is made, there is higher absorption property, one deck uniformly continous can be formed and the certain thickness oil film of tool between forging and mould, reduce the frictional coefficient in forging process, slow down metal fluid to the impact of mould, reduce forging adhesion and coking; And load performance is good, can available protecting forging, mould not ftracture; Component is stablized, and not corroding metal, is applicable to the lubrication of Mg-based hydrogen storage material cold-forging technique.
Embodiment
Embodiment 1:
Following component is in harmonious proportion by mass percentage and forms:
| Component | Content (mass percent) |
| No. 46 total loss system oil | 69.8% |
| Mass ratio 40% industrial lard and 60% epoxy soybean oil | 13.0% |
| Clorafin 42 | 8.0% |
| Tritolyl phosphate | 5.0% |
| Mass ratio 40%2,6-ditertbutylparacresol and 60% to, to di-iso-octyldiphenylamine | 1.19% |
| Dimethyl silicone oil | 0.01% |
| Lanolin | 3.0% |
Above component summation is 100%.
Embodiment 2:
Following component is in harmonious proportion by mass percentage and forms:
| Component | Content (mass percent) |
| No. 46 total loss system oil | 86.0% |
| Mass ratio 60% industrial lard and 40% epoxy soybean oil | 6.0% |
| Clorafin 42 | 3.0% |
| Tritolyl phosphate | 3.0% |
| Mass ratio 60%2,6-ditertbutylparacresol and 40% to, to di-iso-octyldiphenylamine | 0.892% |
| Dimethyl silicone oil | 0.008% |
| Lanolin | 1.1% |
Above component summation is 100%.
Embodiment 3:
Following component is in harmonious proportion by mass percentage and forms:
| Component | Content (mass percent) |
| No. 46 total loss system oil | 77.0% |
| Mass ratio 50% industrial lard and 50% epoxy soybean oil | 10.0% |
| Clorafin 42 | 6.0% |
| Tritolyl phosphate | 4.0% |
| Mass ratio 50%2,6-ditertbutylparacresol and 50% to, to di-iso-octyldiphenylamine | 0.997% |
| Dimethyl silicone oil | 0.007% |
| Lanolin | 2.0% |
Above component summation is 100%.
The main physical and chemical index of embodiment 1 product is:
| Project | Quality index |
| Moisture, % | Vestige |
| 40 DEG C of kinematic viscosity mm 2/s | 49.6 |
| Flash-point (opening) DEG C, | 180 |
| Mechanical impurity, % | Nothing |
| Last non seizure load (Pb), Kg | 115 |
| Pour point, DEG C, | -10 |
| Water soluble acid or alkali | Nothing |
| Corrosion test (copper sheet, 100 DEG C, 3h), level | 1 |
| Viscosity index, is not less than | 97 |
Claims (1)
1. the lubricant made of Mg-based hydrogen storage material cold forging, it is characterized in that oil based on employing No. 46 total loss system oil, coordinate multiple composite additive, its each component and mass percent are:
Wherein:
Oiliness improver is industrial lard and 60% ~ 40% epoxy soybean oil compound of mass ratio 40% ~ 60%;
Anti-wear agent is clorafin 42;
Extreme pressure agent is tritolyl phosphate;
Oxidation inhibitor be mass ratio 40% ~ 60%2,6-ditertbutylparacresol and 60% ~ 40% to, to di-iso-octyldiphenylamine compound;
Kilfoam is dimethyl silicone oil;
Friction improver is lanolin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310701764.9A CN103695088B (en) | 2013-12-18 | 2013-12-18 | Lubricating agent for cold forging of magnesium and magnesium alloy materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310701764.9A CN103695088B (en) | 2013-12-18 | 2013-12-18 | Lubricating agent for cold forging of magnesium and magnesium alloy materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103695088A CN103695088A (en) | 2014-04-02 |
| CN103695088B true CN103695088B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310701764.9A Active CN103695088B (en) | 2013-12-18 | 2013-12-18 | Lubricating agent for cold forging of magnesium and magnesium alloy materials |
Country Status (1)
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| CN (1) | CN103695088B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880571A (en) * | 2010-06-30 | 2010-11-10 | 东莞市垠星科技发展有限公司 | Metal processing oil for tapping |
-
2013
- 2013-12-18 CN CN201310701764.9A patent/CN103695088B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880571A (en) * | 2010-06-30 | 2010-11-10 | 东莞市垠星科技发展有限公司 | Metal processing oil for tapping |
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|---|---|
| CN103695088A (en) | 2014-04-02 |
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