CN106147947A - A kind of punching oil and the application in aluminium and copper material are processed thereof - Google Patents
A kind of punching oil and the application in aluminium and copper material are processed thereof Download PDFInfo
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Abstract
The invention provides a kind of punching oil, including following components: the white oil of 70wt%～90wt%；The Porous deproteinized bone solvent of 5wt%～20wt%；The synthetic ester of 1wt%～10wt%；The sulfide aliphatic acid ester of 1wt%～10wt%.Owing to the base oil in the punching oil that the present invention provides is made up of alkane, non yellowing under light illumination, do not generate macula lutea, there is superior UV stability, and owing to alkane chemical process is stable, the most oxidizable so that punching oil has superior oxidation stability.The punching oil that the present invention provides is adding man-hour for aluminium and copper material, more weak to the corrosivity of copper material and aluminium.And, the punching oil that the present invention provides also has superior greasy property, natural volatile performance and cooling performance, and does not consume ozone, and VOC content is extremely low, biodegradable, has the higher value of environmental protection.
Description
Technical field
The present invention relates to stamping technology field, particularly relate to a kind of punching oil and process at aluminium and copper material
In application.
Background technology
Pressed part is in Hyundai Motor, tractor, electromechanics, electrical equipment, instrument and meter, electronic product and day
Often the articles for daily use occupies sizable ratio.In Punching Process, friction occurs mainly in workpiece
During with mould relative motion, the heavy load of at this moment diel band to be born impact and higher work temperature
Degree, speed of related movement is fast simultaneously.In such a situa-tion, in order to ensure the bright and clean of pressed part surface
Degree, and control friction, this just requires that punching oil has good lubricity, extruding wear resistence, anticorrosion
Property and rust-preventing characteristic etc., thus while producing qualified pressed part, reach to protect the purpose of stamping machine.
High-speed aluminium fin punching oil is the lubrication developed for refrigeration industry high velocity ram machine processing aluminum fin-stock
Oil product, the full-bodied punching oil of the former use of such punch press carries out the punch process lubrication of fin, after processing
The punching oil of fin surface need to use solvent clean, to ensure the heat transfer efficiency of fin.Clean used cleaning
Agent is generally trichloro ethylene, and the health of operator and the protection of environment are all brought adverse effect；Also have
Cleaning with alkaline cleaner, this can bring discharging of waste liquid problem.And in fin and condensing tube contact position because of
Capillarity and mechanical isolation effect, punching oil is not easy to be cleaned.
Along with the enhancing of people's environmental consciousness, to the mid-80, offshore company develops volatility punching press
Oil, uses the method for nature volatilization or volatilization of heating to remove the Residual oil of surface of the work after punch machining process,
Different solvents cleans just can meet the processing request scaring operation, without discharging of waste liquid, reduces and pollutes.As
HC-L200 volatility punching oil disclosed in prior art, based on hydrofinishing narrow fraction lightweight has
Oil, adding the fatty acid ester refered in particular to is oiliness improver and the additive such as homemade wetting agent and composite antirust agent
Blending obtains, and this volatility punching oil has a good volatile performance, and have preferable greasy property,
Hydrophilic, cryogenic property and decay resistance, but it has not focused on punching oil during depositing
Stability, UV stability and oxidation stability can not meet production needs.
Summary of the invention
It is an object of the invention to provide a kind of punching oil and the application in aluminium and copper material are processed thereof, this
The punching oil that invention provides has preferable UV stability and oxidation stability.
The invention provides a kind of punching oil, including following components:
The white oil of 70wt%～90wt%；
The Porous deproteinized bone solvent of 5wt%～20wt%；
The synthetic ester of 1wt%～10wt%；
The sulfide aliphatic acid ester of 1wt%～10wt%.
Preferably, the content ＜ 50ppm of aromatic hydrocarbons in described white oil；
The content ＜ 50ppm of benzene in described white oil；
The content ＜ 5ppm of sulfur in described white oil.
Preferably, described white oil viscosity ＜ 5mm at 20 DEG C2/s(cSt)；
Described white oil viscosity ＜ 3mm at 40 DEG C2/s(cSt)。
Preferably, the content ＜ 0.01wt% of aromatic hydrocarbons in described Porous deproteinized bone solvent；
The content ＜ 3ppm of benzene in described Porous deproteinized bone solvent.
Preferably, the aniline point ＜ of described Porous deproteinized bone solvent 80 DEG C；
The viscosity ＜ 3mm of described Porous deproteinized bone solvent at 20 DEG C2/s(cSt)。
Preferably, the saponification number of described synthetic ester is 250～270；
The acid number of described synthetic ester≤1.48mg KOH/g.
Preferably, the viscosity ＜ 3.5mm of described synthetic ester at 20 DEG C2/s(cSt)；
The viscosity ＜ 2.5mm of described synthetic ester at 40 DEG C2/s(cSt)。
Preferably, in described sulfide aliphatic acid ester, the content of sulfur is 10wt%～20wt%.
Preferably, including following components:
The white oil of 75wt%～95wt%；
The Porous deproteinized bone solvent of 8wt%～15wt%；
The synthetic ester of 3wt%～8wt%；
The sulfide aliphatic acid ester of 3wt%～8wt%.
The invention provides the application in aluminium and copper material are processed of the punching oil described in technique scheme.
The invention provides a kind of punching oil, including following components: the white oil of 70wt%～90wt%；5
The Porous deproteinized bone solvent of wt%～20wt%；The synthetic ester of 1wt%～10wt%；The sulfurized fat of 1wt%～10wt%
Fat acid esters.Owing to the base oil in the punching oil that the present invention provides is made up of alkane, non yellowing under light illumination,
Do not generate macula lutea, there is superior UV stability, and owing to alkane chemical process is stable, it is the most oxidizable,
Punching oil is made to have superior oxidation stability.
And, the punching oil that the present invention provides is adding man-hour for aluminium and copper material, to copper material and aluminium
Corrosivity is more weak.The present invention test result indicate that, at 100 DEG C, and the punching oil effect that the present invention is provided
In copper sheet 3h, scaling index is 1.The punching oil that the present invention provides also has excellent greasy property,
Prevent metal surface from directly contacting, protect workpiece, extend die life；Also there is excellent volatile performance,
It is not required to heating, can naturally volatilize, noresidue；Cooling performance is preferable, decreases the frictional heat adding man-hour；
Also there is superior environmental-protecting performance, do not consume ozone, VOC low emissions, biodegradable.
Detailed description of the invention
The invention provides a kind of punching oil, including following components:
The white oil of 70wt%～90wt%；
The Porous deproteinized bone solvent of 5wt%～20wt%；
The synthetic ester of 1wt%～10wt%；
The sulfide aliphatic acid ester of 1wt%～10wt%.
The base oil of the punching oil that the present invention provides is made up of alkane so that punching oil non yellowing under light illumination,
Do not generate macula lutea, there is superior UV stability, and owing to alkane chemical process is stable, it is the most oxidizable,
There is superior oxidation stability.And, the punching oil that the present invention provides is being processed for aluminium and copper material
Time, more weak to the corrosivity of copper material and aluminium.The present invention test result indicate that, at 100 DEG C, by this
The punching oil of bright offer acts on copper sheet 3h, and scaling index is 1.The punching oil that the present invention provides also has
There is excellent greasy property, prevent metal surface from directly contacting, protect workpiece, extend die life；Also
There is excellent volatile performance, be not required to heating, can naturally volatilize, noresidue；Cooling performance is preferable, subtracts
Lack the frictional heat adding man-hour；Also there is superior environmental-protecting performance, do not consume ozone, VOC low emission
Thing, biodegradable.
The punching oil that the present invention provides includes the white oil of 70wt%～90wt%, preferably 75wt%～85
Wt%, more preferably 78wt%～82wt%, most preferably 81wt%.In the present invention, institute at 20 DEG C
State white oil viscosity preferred ＜ 5mm2/ s (cSt), more preferably ＜ 4mm2/ s (cSt), most preferably 3.6
mm2/s(cSt)；Described white oil viscosity preferred ＜ 3mm at 40 DEG C2/ s (cSt), more preferably ＜ 2.5
mm2/ s (cSt), most preferably 2.4mm2/s(cSt)；In the present invention, described white oil viscosity can use
The test of ASTM D 445 method of testing obtains.
In the present invention, the initial boiling point of described white oil is preferably 200 DEG C～250 DEG C, more preferably 210 DEG C
～245 DEG C, most preferably 220 DEG C～240 DEG C；In an embodiment of the present invention, the initial boiling point can be specifically used to be
The white oil of 236 DEG C.In the present invention, described white oil do preferably 250 DEG C～280 DEG C, more preferably
255 DEG C～270 DEG C, most preferably 260 DEG C～265 DEG C；In an embodiment of the present invention, can specifically use dry
Point is the white oil of 262 DEG C.In the present invention, the initial boiling point of described white oil and do and can use ASTM D 86
Method of testing test obtains.
In the present invention, the content of aromatic hydrocarbons preferred ＜ 50ppm, more preferably≤40ppm in described white oil,
Most preferably≤35ppm；In an embodiment of the present invention, can specifically use arene content is the white of 30ppm
Oil.In the present invention, the content of benzene preferred ＜ 50ppm, more preferably≤20ppm in described white oil,
It is preferably≤5ppm, the most preferably 0ppm；In an embodiment of the present invention, can specifically use and do not contain
There is the white oil of benzene.In the present invention, the content of sulfur preferred ＜ 5ppm, more preferably≤3ppm in described white oil,
Most preferably≤1ppm；In an embodiment of the present invention, the white oil of sulfur content≤1ppm can specifically be used.
In the present invention, the arene content of described white oil can use UA TOTAL 1L 014 method of testing to test
Arrive；The benzene content of described white oil can use the test of ASTM D 4367 method of testing to obtain；Described white oil
Sulfur content can use the test of ASTM D 5453 method of testing to obtain.
In the present invention, the preferred ＜ of pour point-30 DEG C of described white oil, more preferably≤-40 DEG C, most preferably≤
-45℃；In an embodiment of the present invention, the white oil that can specifically use pour point to be-50 DEG C.In the present invention,
The described preferred ＞ of white oil flash 100 DEG C, more preferably 100 DEG C～105 DEG C；In an embodiment of the present invention,
The white oil that can specifically use flash-point to be 103 DEG C.In the present invention, the pour point of described white oil can use ASTM
The test of D 97 method of testing obtains；Described white oil flash can use ASTM D 93 method of testing to test
Arrive, use Pensky-Martens closed-cup method.
In the present invention, described white oil is preferably refined white oil.The present invention source to described refined white oil
There is no special restriction, use the commercial goods of refined white oil well known to those skilled in the art,
In embodiments of the invention, described refined white oil can specifically use model to be TOTAL HYDROSEAL
The refined white oil of G232H.
The punching oil that the present invention provides includes the Porous deproteinized bone solvent of 5wt%～20wt%, preferably 8wt%～15
Wt%, more preferably 9wt%～12wt%；In an embodiment of the present invention, the matter of described Porous deproteinized bone solvent
Amount content can be specially 9wt%, 10wt%, 11wt% or 12wt%.In the present invention, institute at 15 DEG C
The density stating Porous deproteinized bone solvent is preferably 750kg/m3～780kg/m3, more preferably 760kg/m3～775
kg/m3, most preferably 770kg/m3.In the present invention, the density of described Porous deproteinized bone solvent can use ASTM
The test of D 4052 method of testing obtains.In the present invention, the Saybolt color of described Porous deproteinized bone solvent is preferred
It is 25～35, more preferably 28～32, most preferably 30；In the present invention, the match of described Porous deproteinized bone solvent
Baud color can use the test of ASTM D 156 method of testing to obtain.
In the present invention, the preferred ＞ of initial boiling point 120 DEG C of described Porous deproteinized bone solvent, more preferably 130 DEG C
～160 DEG C, most preferably 140 DEG C～155 DEG C；In an embodiment of the present invention, the initial boiling point can be specifically used to be
The Porous deproteinized bone solvent of 140 DEG C, 145 DEG C, 150 DEG C or 155 DEG C.In the present invention, described Porous deproteinized bone solvent
Do preferably 190 DEG C～210 DEG C, more preferably 195 DEG C～205 DEG C, most preferably 200 DEG C.At this
In invention, the initial boiling point of described Porous deproteinized bone solvent and do ASTM D 86 method of testing can be used to test
Arrive.In the present invention, the flash-point of described Porous deproteinized bone solvent preferably >=40 DEG C, more preferably 40 DEG C～45 DEG C,
Most preferably 42 DEG C.The flash-point of the most described Porous deproteinized bone solvent can use ASTM D 93 to survey
Method for testing test obtains, and uses Pensky-Martens closed-cup method.
In the present invention, using the volatility of ether as unit 1, the volatility of described Porous deproteinized bone solvent is preferred
It is 60～70, more preferably 62～68, most preferably 65.In the present invention, the waving of described Porous deproteinized bone solvent
The rate of sending out can use the test of DIN 53170 method of testing to obtain.
In the present invention, the content preferred ＜ 0.01wt% of aromatic hydrocarbons in described Porous deproteinized bone solvent, more preferably≤
0.008wt%, most preferably≤0.005wt%；The content preferred ＜ 5ppm of benzene in described Porous deproteinized bone solvent,
More preferably ＜ 3ppm, most preferably ＜ 1ppm.In the present invention, the aromatic hydrocarbons of described Porous deproteinized bone solvent contains
Amount can use the test of HPLC-IP 391 method of testing to obtain, and the benzene content of described Porous deproteinized bone solvent can use
The test of ASTM D 4367 method of testing obtains.
In the present invention, the preferred ＜ of aniline point 80 DEG C of described Porous deproteinized bone solvent, more preferably≤75 DEG C,
Preferably≤70 DEG C；In an embodiment of the present invention, the Porous deproteinized bone solvent that can specifically use aniline point to be 68 DEG C.
In the present invention, the viscosity preferred ＜ 3mm of described Porous deproteinized bone solvent at 20 DEG C2/ s (cSt), more preferably≤2
mm2/ s (cSt), most preferably≤1.5mm2/s(cSt)；In an embodiment of the present invention, 20 DEG C can specifically be used
Lower viscosity is 1.3mm2The Porous deproteinized bone solvent of/s (cSt).In the present invention, the aniline of described Porous deproteinized bone solvent
Point can use the test of ASTM D 611 method of testing to obtain；The viscosity of described Porous deproteinized bone solvent can use
The test of ASTM D 445 method of testing obtains.
The present invention does not has special restriction to the source of described Porous deproteinized bone solvent, uses those skilled in the art
Known to the commercial goods of above-mentioned Porous deproteinized bone solvent, as in an embodiment of the present invention, can specifically adopt
With the Porous deproteinized bone solvent that model is D40.
The punching oil that the present invention provides includes the synthetic ester of 1wt%～10wt%, more preferably 3wt%～8
Wt%, most preferably 5wt%～6wt%；In an embodiment of the present invention, the mass content of described synthetic ester
4wt%, 5wt%, 6wt% or 7wt% can be specially.In the present invention, the iodine number of described synthetic ester is excellent
Choosing≤1.5, more preferably≤1.0, most preferably 0.5.In the present invention, the saponification number of described synthetic ester is excellent
Elect 250～270 as, more preferably 255～265, most preferably 258～262.In the present invention, described conjunction
Become the acid number of ester preferably≤1.48mg KOH/g, more preferably 0.2mg KOH/g～1.0mg KOH/g,
Most preferably 0.48mg KOH/g.
In the present invention, the viscosity ＜ 3.5mm of described synthetic ester at 20 DEG C2/ s (cSt), more preferably less than 3.0
mm2/ s (cSt), most preferably 2.4mm2/ s (cSt)～2.5mm2/s(cSt).In the present invention, institute at 40 DEG C
State the viscosity preferred ＜ 2.5mm of synthetic ester2/ s (cSt), more preferably≤2.1mm2/ s (cSt), most preferably 1.1
mm2/ s (cSt)～1.5mm2/s(cSt).In the present invention, the flash-point of described synthetic ester is preferably 130 DEG C
～145 DEG C, more preferably 135 DEG C～140 DEG C.
The present invention does not has special restriction to the source of described synthetic ester, uses those skilled in the art to know
The commercial goods of above-mentioned synthetic ester, concrete, in an embodiment of the present invention, can specifically use
Model is the synthetic ester of 3600.
The punching oil that the present invention provides includes the sulfide aliphatic acid ester of 1wt%～10wt%, the most excellent
Elect 3wt%～8wt% as, most preferably 5wt%～6wt%；In an embodiment of the present invention, described sulfur
The mass content changing fatty acid ester can be specially 4wt%, 5wt%, 6wt% or 7wt%.In the present invention,
The colourity of described sulfide aliphatic acid ester is preferably≤5.5, more preferably≤5.0.In the present invention, described sulfurized fat
The colourity of fat acid esters can be obtained by the test of GB/T 6540 method of testing.
In the present invention, the sulfur content of described sulfide aliphatic acid ester is preferably 10wt%～20wt%, more excellent
Elect 13wt%～17wt% as；In an embodiment of the present invention, can specifically use sulfur content be 14wt%,
The sulfide aliphatic acid ester of 15wt%, 15.5wt% or 16wt%.In the present invention, described sulfide aliphatic acid
Active sulfur content in ester preferably≤3wt%, more preferably≤2wt%, most preferably≤1wt%.In the present invention
In, the sulfur content of described sulfide aliphatic acid ester and active sulfur content can use GB/T 17040 method of testing to survey
Examination obtains.
In the present invention, at 40 DEG C, the dynamic viscosity of described sulfide aliphatic acid ester is preferably 50mm～70mm,
More preferably 55mm～65mm；In an embodiment of the present invention, dynamic viscosity at 40 DEG C can specifically be used
It is about the sulfide aliphatic acid ester of 60mm.In the present invention, the density of described sulfide aliphatic acid ester at 15 DEG C
It is preferably 950kg/m3～1000kg/m3, more preferably 970kg/m3～985kg/m3, most preferably 980
kg/m3.In the present invention, the flash-point of described sulfide aliphatic acid ester is preferably 210 DEG C～230 DEG C, more preferably
It is 215 DEG C～225 DEG C, most preferably 220 DEG C.In the present invention, the motion of described sulfide aliphatic acid ester sticks
Degree can be obtained by the test of GB/T 265 method of testing；The density of described sulfide aliphatic acid ester can be by SH/T 0604
Method of testing test obtains；The flash-point of described sulfide aliphatic acid ester can be tested by GB/T 3536 method of testing
Obtain；In the present invention, the flash-point of described sulfide aliphatic acid ester is that opening method obtains.
The present invention does not has special restriction to the source of described sulfide aliphatic acid ester, uses people in the art
The commercial goods of the above-mentioned sulfide aliphatic acid ester known to Yuan, in an embodiment of the present invention, can be concrete
Using model is the sulfide aliphatic acid ester of 3015.
The present invention does not has special restriction to the preparation method of described punching oil, uses those skilled in the art
Known to the preparation method of compositions, by the white oil described in technique scheme, Porous deproteinized bone solvent, synthesis
Ester and sulfide aliphatic acid ester mix.
Present invention also offers the application in aluminium and copper material are processed of the punching oil described in technique scheme,
Be particularly used in aluminum and the punching press of aluminium alloy sheet, calendering and flattening process, be particularly applied to air-conditioning,
In refrigerator heat radiator in the processing technique of aluminum fin-stock；Can be also used for copper pipe punching, stretch, roll and
Bending machining, is particularly applied in air-conditioning, refrigerator heat radiator with in the processing technique loseed.The present invention
Described aluminum and the punching press of aluminium alloy sheet, calendering and smooth technical process are not had special restriction, uses
Aluminum well known to those skilled in the art and the punching press of aluminium alloy sheet, calendering and flattening process；Equally
The present invention to the punching of described copper pipe, stretch, roll and the method for bending machining does not has special restriction,
Use the punching of copper pipe well known to those skilled in the art, stretch, roll and the technical scheme of bending machining
?.
The invention provides a kind of punching oil, including following components: the white oil of 70wt%～90wt%；5
The Porous deproteinized bone solvent of wt%～20wt%；The synthetic ester of 1wt%～10wt%；The sulfurized fat of 1wt%～10wt%
Fat acid esters.Due to the base oil in the punching oil that the present invention provides be made up of alkane so as to get punching oil
Non yellowing under light illumination, does not generate macula lutea, has superior UV stability, and owing to alkane chemistry adds
Apt fixed, the most oxidizable, there is superior oxidation stability.
And, the punching oil that the present invention provides is adding man-hour for aluminium and copper material, to copper material and aluminium
Corrosivity is more weak.The present invention test result indicate that, at 100 DEG C, and the punching oil effect that the present invention is provided
In copper sheet 3h, scaling index is 1.The punching oil that the present invention provides also has excellent greasy property,
Prevent metal surface from directly contacting, protect workpiece, extend die life；Also there is excellent volatile performance,
It is not required to heating, can naturally volatilize, noresidue；Cooling performance is preferable, decreases the frictional heat adding man-hour；
Also there is superior environmental-protecting performance, do not consume ozone, VOC low emissions, biodegradable.
In order to further illustrate the present invention, the punching oil that the present invention provided below in conjunction with embodiment and
Application in aluminum component and copper piece processing is described in detail, but can not be interpreted as them protecting the present invention
Protect the restriction of scope.
In the following embodiments, use model be TOTAL HYDROSEAL G232H refined white oil,
Model be the Porous deproteinized bone solvent of D 40, model be 3600 synthetic ester and model be the sulfurized fatty of 3015
Acid esters.
Embodiment 1
By the refined white oil of 81wt%, the Porous deproteinized bone solvent of 9wt%, the synthetic ester of 5wt% and 5wt%
Sulfide aliphatic acid ester mixes, and obtains punching oil after stirring.
The punching oil obtained is carried out performance test by the present invention, and dynamic viscosity uses the test in GB/T 265
Method, flash-point use the method for testing in ASTM D 93, corrosivity to use the test in GB/T 5096
Method, result is as shown in table 1, the performance test results of the punching oil that table 1 obtains for the embodiment of the present invention；
The punching oil obtained also is used for punching course according to process for stamping disclosed in prior art by the present invention,
Result shows, just can meet for providing mould excellent with the extreme pressure agent being far smaller than prior art adding proportion
Protection, and remain little after punching press, it is not necessary to clean, reduce the technical process of later stage cleaning；The present invention provides
Punching oil in do not include the component of aromatic hydrocarbons and sulfur, while there is relatively high life and stability, reduce
Catalyzed corrosion to metal surface；The punching oil evaporation rate that the present invention provides is stable, and volatile matter is tasteless,
Nontoxic, environmental protection；And, the punching oil using the present invention to provide can extend die life.
Embodiment 2
By the refined white oil of 85wt%, the Porous deproteinized bone solvent of 6wt%, the synthetic ester of 4.5wt% and 4.5wt%
Sulfide aliphatic acid ester mixing, obtain punching oil after stirring.
The punching oil obtained is carried out performance test by the present invention, and dynamic viscosity uses the test in GB/T 265
Method, flash-point use the method for testing in ASTM D 93, corrosivity to use the test in GB/T 5096
Method, result is as shown in table 1, the performance test results of the punching oil that table 1 obtains for the embodiment of the present invention；
The punching oil obtained also is used for punching course according to process for stamping disclosed in prior art by the present invention,
Result shows, just can meet for providing mould excellent with the extreme pressure agent being far smaller than prior art adding proportion
Protection, and remain little after punching press, it is not necessary to clean, reduce the technical process of later stage cleaning；The present invention provides
Punching oil in do not include the component of aromatic hydrocarbons and sulfur, while there is relatively high life and stability, reduce
Catalyzed corrosion to metal surface；The punching oil evaporation rate that the present invention provides is stable, and volatile matter is tasteless,
Nontoxic, environmental protection；And, the punching oil using the present invention to provide can extend die life.
Embodiment 3
By the refined white oil of 75wt%, the Porous deproteinized bone solvent of 12wt%, the synthetic ester of 8wt% and 5wt%
Sulfide aliphatic acid ester mixing, obtain punching oil after stirring.
The punching oil obtained is carried out performance test by the present invention, and dynamic viscosity uses the test in GB/T 265
Method, flash-point use the method for testing in ASTM D 93, corrosivity to use the test in GB/T 5096
Method, result is as shown in table 1, the performance test results of the punching oil that table 1 obtains for the embodiment of the present invention；
The punching oil obtained also is used for punching course according to process for stamping disclosed in prior art by the present invention,
Result shows, just can meet for providing mould excellent with the extreme pressure agent being far smaller than prior art adding proportion
Protection, and remain little after punching press, it is not necessary to clean, reduce the technical process of later stage cleaning；The present invention provides
Punching oil in do not include the component of aromatic hydrocarbons and sulfur, while there is relatively high life and stability, reduce
Catalyzed corrosion to metal surface；The punching oil evaporation rate that the present invention provides is stable, and volatile matter is tasteless,
Nontoxic, environmental protection；And, the punching oil using the present invention to provide can extend die life.
The performance test results of the punching oil that table 1 embodiment of the present invention obtains
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Outward appearance (is estimated) | Filbert transparency liquid | Filbert transparency liquid | Filbert transparency liquid |
| Density (15 DEG C of kg/m3) | 808 | 810 | 823 |
| Dynamic viscosity (20 DEG C of g/cm3) | 1.4 | 2.8 | 2.5 |
| Flash-point (DEG C remain silent cup) | 78 | 103 | 80 |
| Moisture | Nothing | Nothing | Nothing |
| Corrosivity (100 DEG C of 3h copper sheets) | 1 | 1 | 1 |
| Natural temperature (ASTM E 659 DEG C) | ＞ 150 | ＞ 150 | ＞ 150 |
| Flammability limits-lower limit (%) | 1 | —— | —— |
| Flammability limits-upper limit (%) | 6 | —— | —— |
| Phase transition temperature (DEG C) | 275～325 | —— | —— |
| Dissolubility (water mg/L) | ＜ 1 | ＜ 1 | ＜ 1 |
| Air pressure (hPa) | ＜ 0.001 | ＜ 0.001 | ＜ 0.001 |
| Viscosity (20 DEG C of mm2/s) | 7mm2/s | —— | —— |
| Volatile organic compound content | 0% | 0% | 0% |
As can be seen from Table 1, the punching oil that the present invention provides is more weak for the corrosivity of copper sheet；And have
Preferably UV stability, oxidation stability and greasy property, volatile organic compound content is 0%.
As seen from the above embodiment, the invention provides a kind of punching oil, including following components: 70wt%～90
The white oil of wt%；The Porous deproteinized bone solvent of 5wt%～20wt%；The synthetic ester of 1wt%～10wt%；1wt%～10
The sulfide aliphatic acid ester of wt%.Owing to the base oil in the punching oil that the present invention provides is made up of alkane so that
The punching oil arrived non yellowing under light illumination, does not generate macula lutea, has superior UV stability, and due to
Alkane chemical process is stable, the most oxidizable so that punching oil has superior oxidation stability.And,
The punching oil that the present invention provides is adding man-hour for aluminium and copper material, more weak to the corrosivity of copper material and aluminium.
The punching oil that the present invention provides also has excellent greasy property, prevents metal surface from directly contacting, protection
Workpiece, extends die life；Also there is excellent volatile performance, be not required to heating, can naturally volatilize, nothing
Residual；Cooling performance is preferable, decreases the frictional heat adding man-hour；Also there is superior environmental-protecting performance,
Do not consume ozone, VOC low emissions, biodegradable.
The above is only the preferred embodiment of the present invention, it is noted that general for the art
For logical technical staff, under the premise without departing from the principles of the invention, it is also possible to make some improvement and profit
Decorations, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a punching oil, including following components:
The white oil of 70wt%～90wt%；
The Porous deproteinized bone solvent of 5wt%～20wt%；
The synthetic ester of 1wt%～10wt%；
The sulfide aliphatic acid ester of 1wt%～10wt%.
Punching oil the most according to claim 1, it is characterised in that the content of aromatic hydrocarbons in described white oil
＜ 50ppm；
The content ＜ 50ppm of benzene in described white oil；
The content ＜ 5ppm of sulfur in described white oil.
Punching oil the most according to claim 1, it is characterised in that described white oil viscosity at 20 DEG C
＜ 5mm2/s(cSt)；
Described white oil viscosity ＜ 3mm at 40 DEG C2/s(cSt)。
Punching oil the most according to claim 1, it is characterised in that aromatic hydrocarbons in described Porous deproteinized bone solvent
Content ＜ 0.01wt%；
The content ＜ 3ppm of benzene in described Porous deproteinized bone solvent.
Punching oil the most according to claim 1, it is characterised in that the aniline of described Porous deproteinized bone solvent
Point ＜ 80 DEG C；
The viscosity ＜ 3mm of described Porous deproteinized bone solvent at 20 DEG C2/s(cSt)。
Punching oil the most according to claim 1, it is characterised in that the saponification number of described synthetic ester is
250～270；
The acid number of described synthetic ester≤1.48mg KOH/g.
Punching oil the most according to claim 1, it is characterised in that at 20 DEG C, described synthetic ester is viscous
Degree ＜ 3.5mm2/s(cSt)；
The viscosity ＜ 2.5mm of described synthetic ester at 40 DEG C2/s(cSt)。
Punching oil the most according to claim 1, it is characterised in that sulfur in described sulfide aliphatic acid ester
Content be 10wt%～20wt%.
Punching oil the most according to claim 1, it is characterised in that include following components:
The white oil of 75wt%～95wt%；
The Porous deproteinized bone solvent of 8wt%～15wt%；
The synthetic ester of 3wt%～8wt%；
The sulfide aliphatic acid ester of 3wt%～8wt%.
10. the application in aluminium and copper material are processed of the punching oil described in claim 1～9 any one.
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Cited By (1)
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| CN109181832A (en) * | 2018-10-09 | 2019-01-11 | 中国石油化工股份有限公司 | Punching press fluid composition and application thereof |
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