CN1108362C - Water soluble lubricant for metal cold plasticity processing - Google Patents
Water soluble lubricant for metal cold plasticity processing Download PDFInfo
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- CN1108362C CN1108362C CN 98121131 CN98121131A CN1108362C CN 1108362 C CN1108362 C CN 1108362C CN 98121131 CN98121131 CN 98121131 CN 98121131 A CN98121131 A CN 98121131A CN 1108362 C CN1108362 C CN 1108362C
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- China
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- lubricant
- machine processing
- metal cold
- fatty acid
- extreme
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Abstract
The present invention relates to a machine processing lubricant. The components of the machine processing lubricant are composed of extreme pressure additives, an oily lubricant, a buffering agent, a rust preventive and an accelerating agent. When the machine processing lubricant is prepared, the buffering agent, the rust preventive and the accelerating agent are added to a high concentration mixed fatty acid soap water solution as well as stirred, and the extreme pressure additives are added after the buffering agent, the rust preventive, the accelerating agent and the high concentration mixed fatty acid soap water solution are uniformly stirred. The machine processing lubricant has the advantages that when the water-soluble lubricant of the present invention is used, the consumption of the lubricant and the energy consumption during cold plastic processing can be lowered during the cold plastic processing of metal; working liquid has high stability, and the working liquid can be used for a long time; when a current working procedure (phosphorization) generates an acid carrying equal pressure normal phenomenon, the working liquid is still not destroyed; the use temperature of the machine processing lubricant is lower than the use temperature of a universal stearic acid soap lubricant, and the machine processing lubricant is favorable for work in winter.
Description
The invention belongs to a kind of machining lubricant.
The processing of cold plasticity such as punching press, cold-drawn is one of working method main in metallurgy, the mechanical industry, this working method, workpiece is in the state of plastic deformation under the extreme pressure, therefore harsh requirement has been proposed lubricant, at present, widely used is the aqueous solution or the suspension of soap, stearate soap (soda soap, calcium soap, zinc soap), and its weak point is: consumption is many, energy consumption is big, causes cold moulding tooling cost height; The lubricity deficiency, be difficult to adapt to the requirement that further adds aximal deformation value and improve processing speed, the reason that produces this problem is that this series lubricant agent belongs to oily lubricant, can only rely on the lubrication of its molecular structure itself, and when extreme pressure effect aggravation, when its molecular structure was destroyed, its lubrication also disappeared thereupon or reduces sharply, over-all properties deficiencies such as next is the component dullness, and is anticorrosion, stable.
For solving the deficiency of above oily lubricant, purpose of the present invention provides a kind of metal cold plasticity processing soluble oil that is used for, and utilizes water-soluble extreme pressure agent, and polynary component is formed, adapting to the many-sided technical requirements of cold moulding complete processing, and the synergistic function between the performance each component.
The present invention is a kind of metal cold moulding processing soluble oil that has adopted the polynary component of extreme-pressure additive, and its component is:
1. extreme-pressure additive: this is to contain sulphur, two kinds of extreme pressure elements of phosphorus in a kind of molecular structure, and the content of sulphur, phosphorus is up to the above water-soluble salt of 30% (weight), and has and help organic oiliness group of adhering in the metallic surface.Its structural formula is:
R
1, R
2--be C
2～C
12Alkane or aromatic hydrocarbons, can be same organic group, also can be different organic group dialkyl dithiophosphates (sodium, ammonium).
M--is sodium or ammonium.
Its commodity EP-SP series product by name have EP-SP148, EP-SP24 (sodium, ammonium), and its content in lubricant of the present invention is 0.5～5%.
2. oily lubricant: this is a kind of C
8～C
16The mixed fatty acid soda soap, its content is 40～60%.
3. buffer reagent: it removes has buffer pH value function, has certain lubrication assistant function again, and they are borax, boric acid, Sodium phosphate dibasic, potassium primary phosphate, can use separately, also can compound action, and its content is 2～10%.
4. rust-preventive agent: trolamine, C
16～C
18Fat primary amine, C
16～C
18The trimethylene diamines is a nitrogen-containing organic compound, and its content is 0.1～1.0%, can mix use, also can use separately.
5. promotor: promote between lubricant and the workpiece surface chemical reaction to take place, improve lubricant effect, also have certain antirust function.They are Sodium Nitrite, SODIUMNITRATE, and its content is 1～5%.
More than several raw materials all be produced in Dalian Grease Chemical Plant.
Above-mentioned five kinds of components, prepare blending by following order:
1. at first prepare the mixed fatty acid soap aqueous solution of high density, and keep 60～90 ℃;
2. under agitation add buffer reagent, rust-preventive agent, promotor, after stirring, add extreme-pressure additive at last, continue to stir;
Cooling gradually after treating all, become solid, profile can be made bulk, granular, strip, during use, add 15～25 times in water by the user, be dissolved into the lubricated working fluid of dilution rapidly, working fluid can be taked spray or immersion way will lubricate working fluid and put on workpiece surface, treat promptly to form at workpiece surface after the moisture evaporation film of one deck lubricant, the use temperature of working fluid is 45～55 ℃.
Advantage of the present invention: use soluble oil of the present invention, add man-hour in the metal cold moulding, can avoid between bigger extreme pressure state bed die and workpiece, taking place interlock or damage workpiece surface, and can reduce the energy consumption that lubricant consumption and cold moulding add man-hour, the working fluid good stability can life-time service, and during abnormalities such as current operation (phosphatization) appearance band acid, this working fluid still is not damaged, and use temperature is lower than general stearate soap series lubricant agent, helps winter job.
The present invention's embodiment
Example 1:EP-SP48 extreme pressure agent 3%, C
8～C
16Mixed fatty acid sodium 55%, borax 3%, Sodium phosphate dibasic 3%, trolamine 0.1%, C
16～C
18Trimethylene diamines 0.2%, Sodium Nitrite 2%, SODIUMNITRATE 1%, above total solid matters 67.3%, all the other are moisture content.
Example 2:EP-SP24 extreme pressure agent 2%, C
8～C
16Mixed fatty acid sodium 50%, borax 4%, potassium primary phosphate 2%, trolamine 0.1%, C
16～C
18Fat primary amine 0.2%, Sodium Nitrite 5%, above total solid matters 63.3%, all the other are moisture content.
With the lubricant of example 1, example 2,15 times of dilute with waters are mixed with working fluid, and temperature keeps 45～55 ℃.With 15 times of general sodium stearate type lubricants (total solids 66.8%) also dilute with water, be mixed with working fluid, temperature keeps 65～70 ℃, three lubricated working fluids are carried out the application performance contrast of cold moulding processing, the workpiece of cold moulding processing is a colddrawing seamless pipe, grade of steel is No. 10 steel, workpiece is through pickling, phosphatization is given processing, and soaks 7 minutes at above-mentioned three lubricated working fluids respectively, treats that the surface is substantially after the drying, on pull out the machine drawing, drawing condition is: coefficient of extension 1.4, and 25 meters/minute of drawing speeies, drawing mode is vertical mould, under the same conditions, example 1, example 2 lubricants are at 4.5～4.7 gram/M that are carried as of workpiece surface
2, the sodium stearate type is 5.1～5.2 gram/M
2, it is about 10% to be higher than the former, pull out dynamo-electric stream greater than the former 7%～8%.Simultaneous test shows that the lubricity of lubricant of the present invention under the extreme pressure condition is good, brings the consumption of lubricant low thus, and heat energy, power consumption are few.
Claims (2)
1. a soluble oil that is used for metal cold plasticity processing is characterized in that adopting the metal cold moulding of the polynary component of extreme-pressure additive to process soluble oil, and its component and weight percent are:
1) extreme-pressure additive EP-SP48, EP-SP24 0.5～5%
2) oily lubricant C
8～C
16Mixed fatty acid soda soap 40～60%
3) buffer reagent borax, boric acid, Sodium phosphate dibasic, phosphoric acid hydrogen dimethylamino 2～10%
4) rust-preventive agent trolamine, C
16～C
18Fat primary amine, 0.1～1%
C
16～C
18The trimethylene diamines
5) promotor Sodium Nitrite, SODIUMNITRATE 1～5%
All the other compositions are water.
2. preparation method who is used for the soluble oil of metal cold plasticity processing is characterized in that preparation is in proper order:
1) following ratio at first prepares the mixed fatty acid soap aqueous solution of high density, and keeps 60～90 ℃;
2) under agitation add buffer reagent, rust-preventive agent, promotor, after stirring, add extreme-pressure additive at last, continue to stir;
Cooling gradually becomes solid after treating all, and profile can be made bulk, granular, strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98121131 CN1108362C (en) | 1998-12-25 | 1998-12-25 | Water soluble lubricant for metal cold plasticity processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98121131 CN1108362C (en) | 1998-12-25 | 1998-12-25 | Water soluble lubricant for metal cold plasticity processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1258727A CN1258727A (en) | 2000-07-05 |
| CN1108362C true CN1108362C (en) | 2003-05-14 |
Family
ID=5227042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98121131 Expired - Fee Related CN1108362C (en) | 1998-12-25 | 1998-12-25 | Water soluble lubricant for metal cold plasticity processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1108362C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298823C (en) * | 2002-02-01 | 2007-02-07 | 中国石油化工集团公司 | Lubricating oil composition for wide steel strip hot continuous mill rolling process |
| CN102676277A (en) * | 2011-09-06 | 2012-09-19 | 安徽江南机械有限责任公司 | Water soluble antirusting fluid, and preparation method and using method thereof |
-
1998
- 1998-12-25 CN CN 98121131 patent/CN1108362C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1258727A (en) | 2000-07-05 |
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