CN109385512A - From the quenching oil and preparation method thereof to black after quenching bearing parts - Google Patents
From the quenching oil and preparation method thereof to black after quenching bearing parts Download PDFInfo
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- CN109385512A CN109385512A CN201910004732.0A CN201910004732A CN109385512A CN 109385512 A CN109385512 A CN 109385512A CN 201910004732 A CN201910004732 A CN 201910004732A CN 109385512 A CN109385512 A CN 109385512A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/58—Oils
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/02—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using non-aqueous solutions
- C23C22/03—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using non-aqueous solutions containing phosphorus compounds
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Abstract
The invention discloses a kind of quenching oils and preparation method thereof for making to black certainly after bearing parts quenching.Of the invention makes the quenching oil to black certainly after bearing parts quenching include following components and its parts by weight: 70~90 parts of base oil urges 3~10 parts of cryogen, nigrescence to colour 5~15 parts of complexing agent and 1~5 part of antioxidant, wherein, the nigrescence coloring complexing agent is the mixture for including zinc dialkyl dithiophosphate, dialkyl group pentasulfide and black dyes.Of the invention makes the quenching oil to black certainly after bearing parts quenching for when carrying out quenching cooling to bearing parts, the surface of bearing parts to be capable of forming color black film layer in homogeneous thickness；Whether the black film layer can be used to identify bearing parts quenched and play a protective role to bearing parts, prevent bearing parts from getting rusty.
Description
Technical field
The present invention relates to bearing parts quenching technology field more particularly to a kind of quenching from nigrescence after making bearing parts quenching
Kerosene and preparation method thereof.
Background technique
Quenching is a kind of heat treatment process, it, which refers to, is heated to a certain proper temperature for metal works first, then keeps
For a period of time, workpiece then is immersed to the metal heat treatmet process being quickly cooled down in quenching media immediately.The purpose of quenching is to make gold
Then austenite in category cooperates the tempering of different temperatures to martensite or bainite transformation again, to greatly improve the rigid of metal
Degree, hardness, wearability, fatigue strength and toughness, to meet the different requirements of various machine components and tool.
Nigrescence is a kind of conventional means of chemical surface treatment, and principle is that metal surface is made to generate layer oxide film, with every
Exhausted air reaches antirust purpose.
In the prior art, quench from the blackening process process that be usually twice different, due to hardening media and hair blackening liquid
It is required that it is different, it is difficult to be quenched and surface blackening processing two procedures perfect combination.
The country is not to the quenching oil that appearance can be made to reach black after bearing parts quenching at present.Domestic Bearing Quenching
Attainable color has blue, silvery white, silver gray after medium quenching.After being quenched according to GB/T34891-2017 to bearing parts
Technical requirements and JB/T13347-2017 to the technical requirements of bearing parts hardening media, appearance face after bearing parts quenching
Color is uniform silver grey, blue, black.Want to make bearing parts surface presentation black can only be by blackening processing technology come real at present
Existing, existing blackening processing technology is usually directed to the chemical reaction of low temperature or high temperature, the cost of this processing mode it is very high and
Environment is polluted, it is both not environmentally or uneconomical.
Summary of the invention
The purpose of the present invention, which first consists in, provides a kind of quenching oil for making to black certainly after bearing parts quenching, can after quenching
Color black film layer in homogeneous thickness is formed on the surface of bearing parts.
The object of the invention is also to provide a kind of preparation method of quenching oil for making to black certainly after bearing parts quenching, systems
Journey simple process and low cost, quenching oil obtained can be such that bearing parts realizes preferably from blackening effect.
The object of the invention is also to provide a kind of methods for making to black certainly after bearing parts quenching, using above-mentioned quenching oil
It realizes, quenching cooling rear bearing part can be realized preferably from blackening effect.
In order to achieve the above object, present invention firstly provides a kind of quenching oils for making to black certainly after bearing parts quenching, including
Following components and its parts by weight: 70~90 parts of base oil urges 3~10 parts of cryogen, nigrescence 5~15 parts of complexing agent of coloring and antioxygen
1~5 part of agent, wherein nigrescence coloring complexing agent be include zinc dialkyl dithiophosphate, dialkyl group pentasulfide and black
The mixture of color dyestuff.
Optionally, the zinc dialkyl dithiophosphate includes that the pungent primary alkyl zinc salt of T202 sulphur phosphorus fourth, T203 sulphur phosphorus are double pungent
Primary alkyl zinc salt, the pungent primary alkyl zinc salt of T205 sulphur phosphorus third, T206 sulphur phosphorus brothers alkyl zinc salt and T207 sulphur phosphorus brothers octyl
One or more of zinc salt.
Optionally, in the nigrescence coloring complexing agent, zinc dialkyl dithiophosphate, dialkyl group pentasulfide and black
The mass ratio of dyestuff is 35-45:35-45:10-30.
Optionally, the base oil is I class, II class or III class base oil.
It is optionally, described that urge cryogen include one of ethylene-ɑ-olefin copolymer, polyolefin and pitch or a variety of.
Optionally, the antioxidant includes one of phenolic ester and octyl/butyl diphenylamines or a variety of.
The present invention also provides it is a kind of as described above quench bearing parts after from the preparation method of the quenching oil to black,
Include: in a heated condition to be uniformly mixed all components, obtains after quenching bearing parts from the quenching oil to black.
Optionally, the preparation method for making the quenching oil to black certainly after bearing parts quenching includes:
Step 1 provides reaction kettle, all components for blacking coloring complexing agent is added in the reaction kettle, by institute
It states the material in reaction kettle and is heated to 80~90 DEG C, constant temperature 0.5~1 hour, be cooled to 50~70 DEG C；
Step 2, under continuous agitation the base oil is added in reaction kettle, by institute during stirring
Stating the material in reaction kettle and being heated to temperature is 50~70 DEG C；
Step 3 urges cryogen and the antioxidant to be added in reaction kettle for described, persistently stirs and maintains in the reaction kettle
Material temperature be 50~70 DEG C；
Step 4 after stirring 1~2 hour, takes out the material in the reaction kettle, obtains quenching bearing parts after filtering
Afterwards from the quenching oil to black.
The present invention also provides a kind of methods for making to black certainly after bearing parts quenching, comprising:
Step 1 ', bearing parts is heat-treated；
Step 2 ', provide oil-quenching tank and it is as described above quench bearing parts after from the quenching oil to black, will
The quenching oil is added in the oil-quenching tank；
The sequence of the step 1 ' with step 2 ' can be overturned or be carried out simultaneously；
Step 3 ', the bearing parts through Overheating Treatment be placed in the oil-quenching tank cool down, institute in cooling procedure
The surface for stating bearing parts forms black film layer.
Optionally, the step 2 ' further include: the quenching oil in the oil-quenching tank is heated to and is maintained at 70~130
In DEG C temperature range.
Beneficial effects of the present invention:
It is of the invention quench bearing parts after from the quenching oil to black for when carrying out quenching cooling to bearing parts, axis
The surface for holding part is capable of forming color black film layer in homogeneous thickness；Since the color of black film layer is obvious, it is easy to
Can judge whether bearing parts is quenched, prevent that enterprise is caused to damage with unhardened bearing parts mixing due to quenched
It loses；The black film layer can play a protective role to bearing parts, prevent bearing parts from getting rusty, to save workpiece for enterprise
Antirust cost；Since the color thickness of the black film layer is uniform, uneven color after bearing parts quenching can be avoided
The problem of resulting in the need for Shot Blasting reduces making technology link, in addition, the quenching oil also have it is environment friendly and pollution-free excellent
Point.
The preparation method making technology of the quenching oil for making to black certainly after bearing parts quenching of the invention is simple, easy to operate,
Preparation cost is low, and when cooling for bearing parts quenching bearing parts can realize preferably from the effect that blacks quenching oil obtained
Fruit.
It is of the invention quench bearing parts after realized from the method to black using above-mentioned quenching oil, after quenching is cooling described in
The surface of bearing parts is capable of forming color black film layer in homogeneous thickness, to realize preferably from blackening effect.
Specific embodiment
Term as used herein:
" by ... preparation " it is synonymous with "comprising".Term "comprising" used herein, " comprising ", " having ", " containing "
Or its any other deformation, it is intended that cover non-exclusionism includes.For example, composition, step, method comprising listed elements,
Product or device are not necessarily limited to those elements, but may include not expressly listed other elements or such composition, step
Suddenly, method, product or the intrinsic element of device.
Conjunction " by ... form " exclude any element that do not point out, step or component.If in claim,
This phrase will make claim closed, so that it is not included the material in addition to the material of those descriptions, but relative
Except customary impurities.When phrase " by ... form " be rather than immediately following theme in the clause that appears in claim main body after
When, only it is limited to element described in the clause；Other elements be not excluded the claim as a whole it
Outside.
Equivalent, concentration or other values or parameter are excellent with range, preferred scope or a series of upper limit preferred values and lower limit
When the Range Representation that choosing value limits, this should be understood as specifically disclosing by any range limit or preferred value and any range
Any pairing of lower limit or preferred value is formed by all ranges, regardless of whether the range separately discloses.For example, when open
When range " 1~5 ", described range should be interpreted as including range " 1~4 ", " 1~3 ", " 1~2 ", " 1~2 and 4~
5 ", " 1~3 and 5 " etc..When numberical range is described herein, unless otherwise stated, otherwise the range is intended to include its end
Value and all integers and score in the range.
In these embodiments, unless otherwise specified, described part and percentage is by mass.
" mass parts " refer to the basic measurement unit for indicating the mass ratio relationship of multiple components, and 1 part can indicate arbitrary list
Position quality, can such as be expressed as 1g, may also indicate that 2.689g etc..If we say that the mass parts of component A are a parts, the matter of B component
Measuring part is b parts, then it represents that the quality of component A and the mass ratio a:b of B component.Alternatively, indicating that the quality of component A is aK, B group
The quality divided is bK (K is arbitrary number, indicates multiplying factor).It can not misread, unlike mass fraction, all components
The sum of mass parts be not limited to 100 parts of limitation.
"and/or" is used to indicate that one of illustrated situation or both may to occur, for example, A and/or B includes (A
And B) and (A or B)；
The present invention provides a kind of quenching oil to black certainly after quenching bearing parts, including following components and its parts by weight:
70~90 parts of base oil urges 3~10 parts of cryogen, nigrescence to colour 5~15 parts of complexing agent and 1~5 part of antioxidant, wherein described
The coloring complexing agent that blacks is the mixture for including zinc dialkyl dithiophosphate, dialkyl group pentasulfide and black dyes.
Present inventor is had found by lot of experiments, in the nigrescence coloring complexing agent, dialkyl dithio phosphorus
Sour zinc, dialkyl group pentasulfide and these three substances of black dyes are indispensable, and three is together using can play collaboration
Effect can be in bearing when guaranteeing to carry out quenching cooling to bearing parts using the quenching oil containing nigrescence coloring complexing agent
Piece surface forms that color thickness is uniform and anti abrasive black film layer.
Optionally, the zinc dialkyl dithiophosphate includes that the pungent primary alkyl zinc salt of T202 sulphur phosphorus fourth, T203 sulphur phosphorus are double pungent
Primary alkyl zinc salt, the pungent primary alkyl zinc salt of T205 sulphur phosphorus third, T206 sulphur phosphorus brothers alkyl zinc salt and T207 sulphur phosphorus brothers octyl
One or more of zinc salt.
Optionally, the dialkyl group pentasulfide is commercially available 32 dialkyl group pentasulfide of TPS.
Specifically, in the nigrescence coloring complexing agent, zinc dialkyl dithiophosphate, dialkyl group pentasulfide and black
The mass ratio of dyestuff is 35-45:35-45:10-30.
In the specific embodiment for blacking coloring complexing agent, zinc dialkyl dithiophosphate, dialkyl group five vulcanize
The mass ratio of object and black dyes is 40:40:20.
Optionally, the base oil is I class, II class or III class base oil.As shown in table 1, in the world to API base oil
Grade separation.
1 basis API oil classification of table
Optionally, described to urge cryogen for heavy polymer, the heavy polymer includes that ethylene-ɑ-alkene is total
One of polymers, polyolefin and pitch are a variety of.
What the present invention selected urges cryogen to have very high thermo oxidative stability, and the performance of quenching oil can be made more stable, made
Use longer life expectancy.
Optionally, the antioxidant includes one of phenolic ester and octyl/butyl diphenylamines or a variety of.
The antioxidant that the present invention selects has excellent oxidation and corrosion inhibition and thermal stability, can be effectively controlled greasy filth
It is formed, extends the service life of quenching oil, reduce the cost that enterprise uses quenching oil.
Specifically, the black dyes is the organic black dyes of oil-soluble, it can be monomeric compound, or mixing
Object.
Specifically, the every physical and chemical index for the quenching oil that the present invention blacks certainly after quenching bearing parts are as follows:
Kinematic viscosity (40 DEG C) mm2/ s:13~110 (test method: GB/T265-1988)；
Corrode (100 DEG C of 3h of copper sheet): 2c~3a (test method: GB/T5096-1985)；
Total acid number (mgKOH/g): 2~3 (test methods: GB/T 7304-2014)；
Flash-point (opening) DEG C: 170~250 (test methods: GB/T3536-2008).
It is of the invention quench bearing parts after from the quenching oil to black for when carrying out quenching cooling to bearing parts, axis
The surface for holding part is capable of forming color black film layer in homogeneous thickness；Since the color of black film layer is obvious, it is easy to
Can judge whether bearing parts is quenched, prevent that enterprise is caused to damage with unhardened bearing parts mixing due to quenched
It loses；The black film layer can play a protective role to bearing parts, prevent bearing parts from getting rusty, to save workpiece for enterprise
Antirust cost；Since the color thickness of the black film layer is uniform, uneven color after bearing parts quenching can be avoided
The problem of resulting in the need for Shot Blasting reduces making technology link, in addition, the quenching oil also have it is environment friendly and pollution-free excellent
Point.
The present invention also provides a kind of preparation methods of above-mentioned quenching oil for making to black certainly after bearing parts quenching, comprising:
It is uniformly mixed all components under heating condition, obtains after quenching bearing parts from the quenching oil to black.
Optionally, all components are uniformly mixed.
In the preferred embodiment of the present invention, the preparation method of the quenching oil for making to black certainly after bearing parts quenching
Include:
Step 1 provides reaction kettle, all components for blacking coloring complexing agent is added in the reaction kettle, by institute
It states the material in reaction kettle and is heated to 80~90 DEG C, constant temperature 0.5~1 hour, be cooled to 50~70 DEG C；
Step 2, under continuous agitation the base oil is added in reaction kettle, by institute during stirring
Stating the material in reaction kettle and being heated to temperature is 50~70 DEG C；
Step 3 urges cryogen and the antioxidant to be added in reaction kettle for described, persistently stirs and maintains in the reaction kettle
Material temperature be 50~70 DEG C；
Step 4 after stirring 1~2 hour, takes out the material in the reaction kettle, obtains quenching bearing parts after filtering
Afterwards from the quenching oil to black.
Specifically, the step 1, into step 4, the revolving speed of stirring is 500-2000r/min.
Specifically, the purpose filtered in the step 4 is to remove the impurity and suspended particulate in raw material components, after guarantee
The black thicknesses of layers that bearing parts surface is formed when face quenching is cooling is uniform.
Optionally, the step 4 is filtered using the strainer of 100-200 mesh.
The preparation method making technology of the quenching oil for making to black certainly after bearing parts quenching of the invention is simple, easy to operate,
Preparation cost is low, and when being used for cooling to bearing parts quenching bearing parts can realize preferably from nigrescence quenching oil obtained
Effect.
The present invention also provides a kind of methods for making to black certainly after bearing parts quenching, comprising:
Step 1 ', bearing parts is heat-treated；
Step 2 ', provide oil-quenching tank and it is above-mentioned make bearing parts quench after from black quenching oil, by the quenching
Oil is added in the oil-quenching tank；
The sequence of the step 1 ' with step 2 ' can be overturned or be carried out simultaneously；
Step 3 ', the bearing parts through Overheating Treatment be placed in the oil-quenching tank cool down, institute in cooling procedure
The surface for stating bearing parts forms black film layer.
Specifically, the step 1 ' in, the temperature being heat-treated to bearing parts is 700~900 DEG C, heat treatment time
It is 0.5-1 hours.
Optionally, the step 2 ' further include: the quenching oil in the oil-quenching tank is heated to and is maintained at 70~130
In DEG C temperature range.
Specifically, the step 3 ' obtained in black film layer with a thickness of 1-3, color and thickness are uniform, and resistance to
Abrasion.
It is of the invention quench bearing parts after realized from the method to black using above-mentioned quenching oil, after quenching is cooling described in
The surface of bearing parts is capable of forming color black film layer in homogeneous thickness, to realize preferably from blackening effect.
Quench bearing parts of the invention below by the form being compared to comparative example 1-3 with embodiment 1-3
It is described in detail afterwards from the technical effect of the quenching oil to black.
Specifically, base oil is 70N base oil in the quenching oil of following comparative example 1-3 and embodiment 1-3, urge cold
Agent is pitch, and antioxidant is octyl/butyl diphenylamines, and the black dyes in following comparative example 2-3 and embodiment 1-3 is equal
For the entitled AUTOMATE purchased from Angus Chemical (ANGUS Chemical Company)TM BLACK 1XS
The black dyes of Liquid Dye.
The indices of the quenching oil of following comparative example 1-3 and embodiment 1-3 are detected by following standard:
Kinematic viscosity (40 DEG C) mm2/ s: examination criteria GB/T265-1988；
Corrode (100 DEG C of 3h of copper sheet): examination criteria GB/T5096-1985；
Total acid number (mgKOH/g): examination criteria GB/T 7304-2014；
Flash-point (opening) DEG C: examination criteria GB/T3536-2008.
When the quenching oil of following comparative example 1-3 and embodiment 1-3 is used for quenching technical, the technical conditions of quenching technical are equal
Are as follows: Equipment for Heating Processing is controlled atmosphere roller mesh-belt furnace, and heat treatment process temperature is 840 ± 10 DEG C, the heat treatment process time
It is 40~50 minutes, the temperature of quenching oil is 100 ± 10 DEG C when quenching is cooling, and the workpiece quenched is model 6209/
01 bearing ring.
Standard GB/T34891-2017 is all made of after quenching to carry out the indices (including appearance) of bearing ring
It checks.
Comparative example 1
A kind of quenching oil, including following components and its parts by weight: 80 parts of base oil urges 5 parts of cryogen, nigrescence coloring complexing agent
10 parts and 5 parts of antioxidant.
The mixing that coloring complexing agent is zinc thiocarbamate compound and thiocarbamic acid molybdenum compound that blacks
Object, wherein the zinc thiocarbamate compound is 40:40 with thiocarbamic acid molybdenum compound mass ratio.
The indices of the quenching oil of the comparative example 1 are as follows:
Kinematic viscosity (40 DEG C) mm2/ s:53；
Corrode (100 DEG C of 3h of copper sheet): 3a；
Total acid number (mgKOH/g): 2.61；
Flash-point (opening) DEG C: 214.
After carrying out quenching cooling to bearing ring using the quenching oil of the comparative example 1, the black of bearing ring surface formation
Film layer with a thickness of 0.3, and black film layer in uneven thickness, uneven color.
Comparative example 2
A kind of quenching oil, including following components and its parts by weight: 80 parts of base oil urges 5 parts of cryogen, nigrescence coloring complexing agent
10 parts and 5 parts of antioxidant.
The mixture that coloring complexing agent is zinc dialkyl dithiophosphate and black dyes that blacks, wherein described two
The mass ratio of alkyl zinc dithiophosphate and black dyes is 80:20.
The zinc dialkyl dithiophosphate is the pungent primary alkyl zinc salt of sulphur phosphorus fourth.
The indices of the quenching oil of the comparative example 2 are as follows:
Kinematic viscosity (40 DEG C) mm2/ s:45；
Corrode (100 DEG C of 3h of copper sheet): 2d；
Total acid number (mgKOH/g): 2.43；
Flash-point (opening) DEG C: 209.
After carrying out quenching cooling to bearing ring using the quenching oil of the comparative example 2, the black of bearing ring surface formation
Film layer with a thickness of 0.5, and black film layer in uneven thickness, uneven color.
Comparative example 3
A kind of quenching oil, including following components and its parts by weight: 80 parts of base oil urges 5 parts of cryogen, 10 parts of nigrescence colorant
And 5 parts of antioxidant.
The nigrescence colorant is black dyes.
The zinc dialkyl dithiophosphate is the pungent primary alkyl zinc salt of T202 sulphur phosphorus fourth.
The indices of the quenching oil of the comparative example 3 are as follows:
Kinematic viscosity (40 DEG C) mm2/ s:85；
Corrode (100 DEG C of 3h of copper sheet): 3a；
Total acid number (mgKOH/g): 2.63；
Flash-point (opening) DEG C: 232.
After carrying out quenching cooling to bearing ring using the quenching oil of the comparative example 2, the black of bearing ring surface formation
Film layer with a thickness of 0.2, and black film layer in uneven thickness, uneven color.
Embodiment 1
A kind of quenching oil for making to black certainly after bearing parts quenching, including following components and its parts by weight: 80 parts of base oil,
Urge 5 parts of cryogen, black 10 parts of complexing agent of coloring and 5 parts of antioxidant.
The coloring complexing agent that blacks is the mixed of zinc dialkyl dithiophosphate, dialkyl group pentasulfide and black dyes
Close object, wherein the mass ratio of zinc dialkyl dithiophosphate, dialkyl group pentasulfide and black dyes is 40:40:20.
The zinc dialkyl dithiophosphate is the pungent primary alkyl zinc salt of T202 sulphur phosphorus fourth.
The dialkyl group pentasulfide is commercially available 32 dialkyl group pentasulfide of TPS.
The indices of the quenching oil of the embodiment 1 are as follows:
Kinematic viscosity (40 DEG C) mm2/ s:42；
Corrode (100 DEG C of 3h of copper sheet): 2c；
Total acid number (mgKOH/g): 2.32；
Flash-point (opening) DEG C: 207.
After carrying out quenching cooling to bearing ring using the quenching oil of the embodiment 1, the black of bearing ring surface formation
Film layer with a thickness of 3, and the thickness of black film layer is uniform, and color is uniform.
Embodiment 2
A kind of quenching oil for making to black certainly after bearing parts quenching, including following components and its parts by weight: 75 parts of base oil,
Urge 13 parts of cryogen, black 5 parts of complexing agent of coloring and 7 parts of antioxidant.
It includes zinc dialkyl dithiophosphate, dialkyl group pentasulfide and black dyes that the nigrescence, which colours complexing agent to be,
Mixture, wherein the mass ratio of zinc dialkyl dithiophosphate, dialkyl group pentasulfide and black dyes be 35:45:
20。
The zinc dialkyl dithiophosphate is the double pungent primary alkyl zinc salts of T203 sulphur phosphorus and the pungent primary alkyl zinc of T205 sulphur phosphorus third
The mixture of salt.
The dialkyl group pentasulfide is commercially available 32 dialkyl group pentasulfide of TPS.
The indices of the quenching oil of the embodiment 2 are as follows:
Kinematic viscosity (40 DEG C) mm2/ s:58；
Corrode (100 DEG C of 3h of copper sheet): 2d；
Total acid number (mgKOH/g): 2.41；
Flash-point (opening) DEG C: 211.
After carrying out quenching cooling to bearing ring using the quenching oil of the embodiment 2, the black of bearing ring surface formation
Film layer with a thickness of 2, and the thickness of black film layer is uniform, and color is uniform.
Embodiment 3
A kind of quenching oil for making to black certainly after bearing parts quenching, including following components and its parts by weight: 85 parts of base oil,
Urge 5 parts of cryogen, black 5 parts of complexing agent of coloring and 5 parts of antioxidant.
It includes zinc dialkyl dithiophosphate, dialkyl group pentasulfide and black dyes that the nigrescence, which colours complexing agent to be,
Mixture, wherein the mass ratio of zinc dialkyl dithiophosphate, dialkyl group pentasulfide and black dyes be 50:30:
20。
The zinc dialkyl dithiophosphate is T206 sulphur phosphorus brothers alkyl zinc salt and T207 sulphur phosphorus brothers octyl zinc salt
Mixture.
The dialkyl group pentasulfide is commercially available 32 dialkyl group pentasulfide of TPS.
The indices of the quenching oil of the embodiment 3 are as follows:
Kinematic viscosity (40 DEG C) mm2/ s:67；
Corrode (100 DEG C of 3h of copper sheet): 2c；
Total acid number (mgKOH/g): 2.34；
Flash-point (opening) DEG C: 224.
After carrying out quenching cooling to bearing ring using the quenching oil of the embodiment 3, the black of bearing ring surface formation
Film layer with a thickness of 2.5, and the thickness of black film layer is uniform, and color is uniform.
Specifically, the bearing parts referred in the present invention includes bearing ring, bearing washer, rolling element and retainer etc.
Deng.The material of the bearing parts is usually steel.
As known to those skilled in the art, 100 parts usually are divided by one millimeter in mechanical dimension's metering, wherein
Portion representated by length unit be known as one, one is 0.01 millimeter, 10 microns.
The numberical range of each technological parameter as involved in the present invention can not all embody in the above-described embodiments,
As long as but those skilled in the art's envisioned any numerical value fallen into the above-mentioned numberical range completely can be implemented this
Invention also includes any combination of occurrence in several numberical ranges certainly.Herein, due to space considerations, be omitted to
Out in certain one or more numberical range occurrence embodiment, this disclosure for being not to be construed as technical solution of the present invention do not fill
Point.
The Applicant declares that the present invention is explained by the above embodiments detailed process equipment and process flow of the invention,
But the present invention is not limited to the above detailed process equipment and process flow, that is, it is above-mentioned detailed not mean that the present invention must rely on
Process equipment and process flow could be implemented.It should be clear to those skilled in the art, any improvement in the present invention,
Addition, concrete mode selection of equivalence replacement and auxiliary element to each raw material of product of the present invention etc., fall in protection of the invention
In range.
Claims (10)
1. a kind of quenching oil for making to black certainly after bearing parts quenching, which is characterized in that including following components and its parts by weight: base
70~90 parts of plinth oil urges 3~10 parts of cryogen, nigrescence to colour 5~15 parts of complexing agent and 1~5 part of antioxidant, wherein the hair
Black coloring complexing agent is the mixture for including zinc dialkyl dithiophosphate, dialkyl group pentasulfide and black dyes.
2. from the quenching oil to black after as described in claim 1 quenching bearing parts, which is characterized in that the dialkyl group two
Thiophosphoric acid zinc includes the pungent primary alkyl zinc salt of T202 sulphur phosphorus fourth, T203 sulphur phosphorus double pungent primary alkyl zinc salts, the pungent primary alkane of T205 sulphur phosphorus third
One or more of base zinc salt, T206 sulphur phosphorus brothers alkyl zinc salt and T207 sulphur phosphorus brothers octyl zinc salt.
3. from the quenching oil to black after as described in claim 1 quenching bearing parts, which is characterized in that the nigrescence coloring
In complexing agent, the mass ratio of zinc dialkyl dithiophosphate, dialkyl group pentasulfide and black dyes is 35-45:35-45:
10-30。
4. from the quenching oil to black after as described in claim 1 quenching bearing parts, which is characterized in that the base oil is
I class, II class or III class base oil.
5. from the quenching oil to black after as described in claim 1 quenching bearing parts, which is characterized in that described to urge cryogen packet
Include one of ethylene-ɑ-olefin copolymer, polyolefin and pitch or a variety of.
6. from the quenching oil to black after as described in claim 1 quenching bearing parts, which is characterized in that the antioxidant packages
Include one of phenolic ester and octyl/butyl diphenylamines or a variety of.
7. a kind of preparation method of the quenching oil such as claimed in any one of claims 1 to 6 for making to black certainly after bearing parts quenching,
Include: in a heated condition to be uniformly mixed all components, obtains after quenching bearing parts from the quenching oil to black.
8. from the preparation method of the quenching oil to black after as claimed in claim 7 quenching bearing parts, which is characterized in that institute
It states after quenching bearing parts and includes: from the preparation method of the quenching oil to black
Step 1 provides reaction kettle, and all components for blacking coloring complexing agent are added in the reaction kettle, will be described anti-
It answers the material in kettle to be heated to 80~90 DEG C, constant temperature 0.5~1 hour, is cooled to 50~70 DEG C；
The base oil is added in reaction kettle for step 2, under continuous agitation, during stirring will it is described instead
Answering the material in kettle to be heated to temperature is 50~70 DEG C；
Step 3 urges cryogen and the antioxidant to be added in reaction kettle for described, persistently stirs and maintains the object in the reaction kettle
The temperature of material is 50~70 DEG C；
Step 4 after stirring 1~2 hour, takes out the material in the reaction kettle, is obtained after quenching bearing parts after filtering certainly
The quenching oil of nigrescence.
9. a kind of method for making to black certainly after bearing parts quenching characterized by comprising
Step 1 ', bearing parts is heat-treated；
Step 2 ', provide oil-quenching tank and as it is as claimed in any one of claims 1 to 6 make bearing parts quench after from nigrescence
The quenching oil is added in the oil-quenching tank by quenching oil；
The sequence of the step 1 ' with step 2 ' can be overturned or be carried out simultaneously；
Step 3 ', the bearing parts through Overheating Treatment be placed in the oil-quenching tank cool down, axis described in cooling procedure
The surface for holding part forms black film layer.
10. from the method to black after as claimed in claim 9 quenching bearing parts, which is characterized in that the step 2 ' also
It include: the quenching oil in the oil-quenching tank to be heated to and is maintained in 70~130 DEG C of temperature ranges.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5376186A (en) * | 1991-10-18 | 1994-12-27 | Idemitsu Kosan Co., Ltd. | Heat treating oil composition |
| CN104451051A (en) * | 2014-11-05 | 2015-03-25 | 常州龙邦润滑油有限公司 | Quenching oil for blackening bearing parts and preparation method of quenching oil |
| CN104480262A (en) * | 2014-12-01 | 2015-04-01 | 昌利锻造有限公司 | Rapid quenching oil and preparation method thereof |
| CN105274288A (en) * | 2014-12-16 | 2016-01-27 | 马鞍山金泉工业介质科技有限公司 | Method for making bearing steel blacken after quenching |
| CN108474051A (en) * | 2015-11-02 | 2018-08-31 | 瑞典应用纳米表面公司 | Steel part, its manufacturing method and the equipment of kollag coating and the quenching oil used during manufacturing |
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2019
- 2019-01-03 CN CN201910004732.0A patent/CN109385512A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5376186A (en) * | 1991-10-18 | 1994-12-27 | Idemitsu Kosan Co., Ltd. | Heat treating oil composition |
| CN104451051A (en) * | 2014-11-05 | 2015-03-25 | 常州龙邦润滑油有限公司 | Quenching oil for blackening bearing parts and preparation method of quenching oil |
| CN104480262A (en) * | 2014-12-01 | 2015-04-01 | 昌利锻造有限公司 | Rapid quenching oil and preparation method thereof |
| CN105274288A (en) * | 2014-12-16 | 2016-01-27 | 马鞍山金泉工业介质科技有限公司 | Method for making bearing steel blacken after quenching |
| CN108474051A (en) * | 2015-11-02 | 2018-08-31 | 瑞典应用纳米表面公司 | Steel part, its manufacturing method and the equipment of kollag coating and the quenching oil used during manufacturing |
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Application publication date: 20190226 |