CN105274288A - Method for making bearing steel blacken after quenching - Google Patents
Method for making bearing steel blacken after quenching Download PDFInfo
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- CN105274288A CN105274288A CN201410783924.3A CN201410783924A CN105274288A CN 105274288 A CN105274288 A CN 105274288A CN 201410783924 A CN201410783924 A CN 201410783924A CN 105274288 A CN105274288 A CN 105274288A
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Abstract
The invention discloses a method for making bearing steel blacken after quenching and belongs to the technical field of metal heat treatment and surface treatment. Quenching oil adopted for the method is prepared from, by mass, 17-19 parts of refined basic oil, 0.2-0.6 part of a catalytic cold composite agent, 0.1-0.3 part of a blacking composite agent, 0.2-0.5 part of a brightening agent and 1-2 parts of surfacants. The quenching oil adopted for the method can make bearing steel parts (including bearing sleeve rings, rollers and holders) automatically blacken after quenching, ideal quenching hardness and a metallographic structure can be obtained, mechanical strength and tenacity needed by workpieces are achieved, the effect that the surface automatically blackens can also be achieved, the procedure that anti-rust treatment is performed on the surface again in a coating manner after heat treatment is reduced, energy is saved, procedures are simplified, and efficiency is improved.
Description
Technical field
The invention belongs to metal heat treatmet and technical field of surface, more particularly, relate to a kind of method made from blackout after bearing steel by quenching.
Background technology
Metal improves intensity and the metallographic structure of metal usually by heat-treating methods, to obtain desired character, quenchant is then one of key factor obtaining high quenching quality, and conventional quenchant has salt solution, water, mineral oil, air etc.Blackout is a kind of conventional means of chemical surface treatment, and principle makes metallic surface produce layer oxide film, with isolated air, reaches antirust object.In prior art, quenching is the operation that twice are different from blackening process, because quenchant is different from the requirement of hair blackening liquid, is difficult to thermal treatment and the perfect adaptation of surface blackening process two procedures, economizes on resources.
Through retrieval, China Patent Publication No. is CN102212662A, the applying date is that the patent application document on June 9th, 2011 discloses a kind of ultra quick quenching oil and preparation method thereof, said composition comprises the raw material of following percentage: the refined mineral oil of 80-97%, 1-10% urges cryogen, the oxidation inhibitor of 1-5%, the anion surfactant of 1-6%, the kinematic viscosity of this refined mineral oil 40 DEG C time is 6 ~ 9mm
2/ s; This urges cryogen to be the mixture of oiliness resol and polybutene; This oxidation inhibitor is alkylated diphenylamine; This anion surfactant is petroleum sodium sulfonate.China Patent Publication No. is CN102925881A, the applying date is that the patent application document on November 14th, 2012 discloses a kind of iron and steel lower middle temperature blackening treatment solution, this iron and steel lower middle temperature blackening treatment solution comprises low medium temperature phosphating solution and filled coloring liquid, and its formula is: low medium temperature phosphating solution, containing primary zinc phosphate 30 ~ 50 grams in often liter, zinc nitrate 80 ~ 100 grams, 20 ~ 30 grams, manganous phosphate molysite, CH additive 3 ~ 6 grams, pH phosphoric acid conditioning agent, its amount is for making solution ph be 1 ~ 3, and surplus is water; Filled coloring liquid, containing water-soluble synthetic resin acrylate-Vinyl acetate copolymer latex 10 ~ 15 grams in often liter, bright weighting agent 2 ~ 4 grams, solubility pigment dyestuff tinting material, its amount is added as required, and surplus is water.
Quenching of the prior art and blackening process all separate and carry out, and are used for the quenching to metal and process of surface treatment after also not having correlative study to point out hardening liquid simply can be mixed with hair blackening liquid simultaneously.Bearing plays a part fixing in mechanical transmission course and reduces load frictional coefficient, is the important foundation component of all kinds of mechanized equipment.The processing and making process of bearing comprises machining, thermal treatment, surface treatment, usual thermal treatment and surface treatment cannot complete in a procedure, mainly because thermal treatment rear bearing part there will be moderate finite deformation, and surface treatment procedure cannot realize in quenching process.
Summary of the invention
1. the problem that will solve
Separate for quenching of the prior art and blackening process and carry out, there is the problems such as the wasting of resources, efficiency is low, the invention provides a kind of method made from blackout after bearing steel by quenching, adopt and by refining base oil, the quenching oil of urging cold multiple agent, the multiple agent of blackout, brightening agent and tensio-active agent to prepare, bearing steel is quenched, automatically bearing steel class part (comprising bearing ring, roller, retainer) turns black after can be made to quench, by thermal treatment and the perfect adaptation of surface treatment two procedures, economize on resources, improve timeliness.
2. technical scheme
In order to solve the problem, the technical solution adopted in the present invention is as follows:
A method of certainly turning black after making bearing steel by quenching, the steps include:
(1) prepare quenching oil, composition and each constituent mass number of quenching oil are: refining base oil 17-19 part, urge cold multiple agent 0.2-0.6 part, the multiple agent 0.1-0.3 part of blackout, brightening agent 0.2-0.5 part, tensio-active agent 1-2 part, wherein the kinematic viscosity 28-42mm of refining base oil
2/ s, pour point≤-9 DEG C, acid number≤0.02mgKOH/g; Described urges cold multiple agent to be the mixture of polyisobutene and Ethylene Propylene Terpolymer, and wherein the mass ratio of polyisobutene and Ethylene Propylene Terpolymer is 2:1; The multiple agent of described blackout is the mixture of acrylate, staining agent and wetting agent, and wherein the mass ratio of acrylate, staining agent and wetting agent is 1:2:1;
(2) bearing steel workpiece is heated to more than 900 DEG C, insulation 1.5-2h;
(3) the quenching oil quenching that the bearing steel workpiece after terminating immerses preparation in step (1) is incubated in step (2);
(4) when the temperature of step (3) centre bearer steel workpiece is down to 80-100 DEG C, it is taken out from quenching oil, then carry out air cooling.
Preferably, composition and each constituent mass number of the middle quenching oil of described step (1) are: refining base oil 18 parts, urge cold multiple agent 0.3 part, the multiple agent 0.16 part of blackout, brightening agent 0.3 part, 1.24 parts, tensio-active agent.
Preferably, in described step (1), tensio-active agent is oiliness resol; Described staining agent is BlackAFR, and described wetting agent is oil soluble azone.
Preferably, in described step (1), the preparation method of quenching oil is:
A () takes 0.13-0.4 part polyisobutene in proportion and mixes with 0.07-0.2 part Ethylene Propylene Terpolymer, be then heated to 50-65 DEG C, is cooled to room temperature and obtains urging cold multiple agent after insulation 1-2h;
B () takes 0.025-0.075 part acrylate by mass fraction, 0.05-0.15 part staining agent mixes with 0.025-0.075 part wetting agent, obtains multiple agent of turning black;
C () takes 0.07-0.17 part sulfonated petro-leum by mass fraction and mixes with 0.13-0.33 part diprotic acid, obtain brightening agent;
D () takes refining base oil 17-19 part by mass fraction, what then add the middle preparation of step (a) urges cold multiple agent, and stirring at normal temperature 30min, forms mixture 1;
E () takes 1-2 part tensio-active agent by mass fraction, then add the brightening agent of preparation in step (c), mix post-heating to 30-50 DEG C, after insulation 20-30min, obtains mixture 2;
F mixture 1 in step (d) mixes with the mixture 2 in step (e) by (), be then heated to 30-40 DEG C of insulation 20-25min, obtain mixture 3;
G multiple for blackout in step (b) agent joins in the mixture 3 obtained in step (f) by (), stir 45-60min, the quenching oil that to obtain described in claim 1 a kind of can make from blackout after bearing steel by quenching.
Preferably, in described step (a), polyisobutene and Ethylene Propylene Terpolymer are heated to 60 DEG C, are cooled to room temperature after insulation 1.5h and obtain urging cold multiple agent.
Preferably, in described step (e), tensio-active agent mixes post-heating to 40 DEG C with brightening agent, after insulation 25min, obtains mixture 2.
Preferably, in described step (f), mixture 1 mixture 2 is mixed, be then heated to 40 DEG C of insulation 20min, obtain mixture 3.
Preferably, add in mixture 3 after multiple for blackout agent being heated to 50 DEG C in described step (g), stir 55min, obtain described a kind of quenching oil that can make from blackout after bearing steel by quenching.
3. beneficial effect
Compared to prior art, beneficial effect of the present invention is:
(1) the invention provides a kind of method made from blackout after bearing steel by quenching, adopt by refining base oil, urge cold multiple agent, the multiple agent of blackout, the quenching oil that brightening agent and tensio-active agent prepare, bearing steel is quenched, bearing steel class part can be made (to comprise bearing ring, roller, retainer) the rear blackout automatically of quenching, by the thermal treatment of metal and the perfect adaptation of surface treatment two procedures, bearing steel class part can be realized and (comprise bearing ring, roller, retainer etc.) the rear blackout automatically of quenching, economize on resources, improve timeliness, fill up blank about the research thermal treatment of metal and surface treatment carried out simultaneously in field,
(2) quenching oil adopted in the present invention can make GCr15 bearing steel class part cool with the speed of cooling of 65-85 DEG C/s when quenching and just having entered oil, and the temperature (part enters oil temperature up to more than 800 DEG C) that the surfactivity blackout preparation in quenching oil absorbs piece surface obtains higher energy is gathered into rapidly densification membrane structure at piece surface, simultaneously piece surface temperature is with quenching oil convective heat exchange and after providing the preparation heat that turns black, temperature declines rapidly, the transition point effectively crossing bearing steel hot class part heat treatment C curve obtains desirable microtexture form,
(3) quenching oil that the present invention adopts effectively can control the quenching strain of bearing steel class part, obtain desirable quenching hardness and metallographic structure, realize physical strength and the toughness of workpiece needs, and the effect of the automatic blackout in surface can be realized, reduce thermal treatment rear surface and again apply antirust treatment, save energy, reduces operation, raises the efficiency;
(4) quenching oil that adopts of the present invention can form one deck evenly and the good protective membrane of glossiness at piece surface while to bearing steel type parts quenching, and compactness and the stability of protective membrane are high, stable performance;
(5) the staining agent composition in the quenching oil component that adopts of the present invention can well be sprawled at hot metal surface uniform under the effect of tensio-active agent, wetting, realize quenching and complete with the procedure that turns black;
(6) hardening liquid adopted in the present invention has that good dispersity, heat transfer performance are good, the advantage of for shelf-stable, and after lucifuge places 2-3, reunion iso-metamorphism phenomenon can not occur quenching oil; The kinematic viscosity of the prepared quenching oil of blackout is certainly 20-65mm2/s, to the cooling rate of bearing steel class part at 65-90 DEG C/s, can generate the uniformity coefficient rete consistent with glossiness at bearing steel class piece surface while quenching, rete is tack-free, and the bonding force of rete and metallic surface is strong.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further.
Embodiment 1
A method of certainly turning black after making bearing steel by quenching, the steps include:
(1) quenching oil is prepared: moiety and each constituent mass number of quenching oil are: refining base oil 18 parts, urge cold multiple agent 0.3 part, the multiple agent 0.16 part of blackout, brightening agent 0.3 part, 1.24 parts, tensio-active agent, wherein the kinematic viscosity 28-42mm of refining base oil
2/ s, pour point≤-9 DEG C, acid number≤0.02mgKOH/g; Urge cold multiple agent to be the mixture of polyisobutene and Ethylene Propylene Terpolymer, wherein the mass ratio of polyisobutene and Ethylene Propylene Terpolymer is 2:1; The multiple agent of described blackout is the mixture of acrylate, staining agent and wetting agent, wherein acrylate, staining agent (BlackAFR, the penetrating stain that BASF AG produces) are 1:2:1 with the mass ratio of wetting agent (oil soluble azone); Described brightening agent is the mixture of sulfonated petro-leum and diprotic acid, wherein the mass ratio 1:2 of sulfonated petro-leum and diprotic acid; Described tensio-active agent is oiliness resol;
(2) bearing steel workpiece (bearing ring, nominal outside diameter is of a size of 60mm) is heated to 900 DEG C, insulation 2h;
(3) the quenching oil quenching that the bearing steel workpiece after terminating immerses preparation in step (1) is incubated in step (2);
(4) when the temperature of step (3) centre bearer steel workpiece is down to 80 DEG C, it is taken out from quenching oil, then carry out air cooling.
In above-mentioned steps (1), the preparation process of quenching oil is:
A () takes 0.2 part of polyisobutene by mass fraction and mixes with 0.1 part of Ethylene Propylene Terpolymer, be then heated to 60 DEG C, is cooled to room temperature and obtains urging cold multiple agent after insulation 1.5h;
B () takes 0.04 part of acrylate by mass fraction, 0.08 part of BlackAFR mixes with 0.04 part of oil soluble azone, obtains multiple agent of turning black;
C () takes 0.1 part of sulfonated petro-leum by mass fraction and mixes with 0.2 part of diprotic acid, obtain brightening agent;
D () takes refining base oil (BASF AG's production) 18 parts by mass fraction, what then add the middle preparation of step (a) urges cold multiple agent, and stirring at normal temperature 30min, forms mixture 1;
E () takes 1.24 parts of tensio-active agents by mass fraction, then add the brightening agent of preparation in step (c), mix post-heating to 40 DEG C, after insulation 25min, obtains mixture 2;
F mixture 1 in step (d) mixes with the mixture 2 in step (e) by (), be then heated to 40 DEG C of insulation 25min, obtain mixture 3;
G () joins in the mixture 3 obtained in step (f) after multiple for the blackout in step (b) agent is heated to 50 DEG C, stir 55min, obtain above-mentioned quenching oil.
The quenching oil of the present embodiment forms one deck rete to after bearing steel workpiece (bearing ring) quenching on bearing steel workpiece surface, the bearing steel workpiece after quenching is made to have desirable microtexture form, obtain desirable quenching hardness and metallographic structure, realize physical strength and the toughness of workpiece needs; Form fine and close membrane structure at bearing steel class piece surface simultaneously, realize the effect of the automatic blackout in surface, reduce thermal treatment rear surface and again apply antirust treatment, save energy, reduce operation, production efficiency improves at least 50%.The hardening liquid of this enforcement has that good dispersity, heat transfer performance are good, the advantage of for shelf-stable, and after lucifuge places 3 years, reunion iso-metamorphism phenomenon can not occur quenching oil; The kinematic viscosity of the quenching oil of blackout certainly adopted is 42mm
2/ s is 80 DEG C/s to the cooling rate of bearing steel class part (bearing ring), and can generate the uniformity coefficient rete consistent with glossiness at bearing steel class piece surface while quenching, rete is tack-free, and the bonding force of rete and metallic surface is strong.
Embodiment 2
A method of certainly turning black after making bearing steel by quenching, the steps include:
(1) quenching oil is prepared: moiety and each constituent mass number of quenching oil are: refining base oil 17 parts, urge cold multiple agent 0.6 part, the multiple agent 0.1 part of blackout, brightening agent 0.5 part, 1 part, tensio-active agent, wherein the kinematic viscosity 28-42mm of refining base oil (China Petrochemical Industry's production)
2/ s, pour point≤-9 DEG C, acid number≤0.02mgKOH/g; Urge cold multiple agent to be the mixture of polyisobutene and Ethylene Propylene Terpolymer, wherein the mass ratio of polyisobutene and Ethylene Propylene Terpolymer is 2:1; The multiple agent of described blackout is the mixture of acrylate, staining agent and wetting agent, wherein acrylate, staining agent (BlackAFR, the penetrating stain that BASF AG produces) are 1:2:1 with the mass ratio of wetting agent (oil soluble azone); Described brightening agent is the mixture of sulfonated petro-leum and diprotic acid, wherein the mass ratio 1:2 of sulfonated petro-leum and diprotic acid; Described tensio-active agent is oiliness resol;
(2) bearing steel workpiece (retainer, nominal outside diameter is of a size of 430mm) is heated to 950 DEG C, insulation 1.5h;
(3) the quenching oil quenching that the bearing steel workpiece after terminating immerses preparation in step (1) is incubated in step (2);
(4) when the temperature of step (3) centre bearer steel workpiece is down to 90 DEG C, it is taken out from quenching oil, then carry out air cooling.
In above-mentioned steps (1), the preparation process of quenching oil is:
A () takes 0.4 part of polyisobutene by mass fraction and mixes with 0.2 part of Ethylene Propylene Terpolymer, be then heated to 50 DEG C, is cooled to room temperature and obtains urging cold multiple agent after insulation 2h;
B () takes 0.025 part of acrylate by mass fraction, 0.05 part of BlackAFR mixes with 0.025 part of oil soluble azone, obtains multiple agent of turning black;
C () takes 0.17 part of sulfonated petro-leum by mass fraction and mixes with 0.33 part of diprotic acid, obtain brightening agent;
D () takes refining base oil 17 parts by mass fraction, what then add the middle preparation of step (a) urges cold multiple agent, and stirring at normal temperature 30min, forms mixture 1;
E () takes 1 part of tensio-active agent by mass fraction, then add the brightening agent of preparation in step (c), mix post-heating to 30 DEG C, after insulation 30min, obtains mixture 2;
F mixture 1 in step (d) mixes with the mixture 2 in step (e) by (), be then heated to 30 DEG C of insulation 20min, obtain mixture 3;
G () joins in the mixture 3 obtained in step (f) after multiple for the blackout in step (b) agent is heated to 50 DEG C, stir 45min, obtain above-mentioned quenching oil.
The quenching oil of the present embodiment forms one deck rete to after bearing steel workpiece (retainer) quenching on bearing steel workpiece surface, the bearing steel workpiece after quenching is made to have desirable microtexture form, obtain desirable quenching hardness and metallographic structure, realize physical strength and the toughness of workpiece needs; Form fine and close membrane structure at bearing steel class piece surface simultaneously, realize the effect of the automatic blackout in surface, reduce thermal treatment rear surface and again apply antirust treatment, save energy, reduce operation, production efficiency improves at least 60%.The hardening liquid prepared under this implementation condition has that good dispersity, heat transfer performance are good, the advantage of for shelf-stable, and after lucifuge places 2 years, reunion iso-metamorphism phenomenon can not occur quenching oil; The kinematic viscosity of the prepared quenching oil of blackout is certainly 65mm
2/ s, to the cooling rate of bearing steel class part at 65 DEG C/s, can generate the uniformity coefficient rete consistent with glossiness at bearing steel class piece surface while quenching, rete is tack-free, and the bonding force of rete and metallic surface is strong.
Embodiment 3
A method of certainly turning black after making bearing steel by quenching, the steps include:
(1) prepare quenching oil: moiety and each constituent mass number of quenching oil are: refining base oil 19 parts, urge cold multiple agent 0.2 part, the multiple agent 0.3 part of blackout, brightening agent 0.2 part, 2 parts, tensio-active agent, wherein the kinematic viscosity 28-42mm of refining base oil
2/ s, pour point≤-9 DEG C, acid number≤0.02mgKOH/g; Urge cold multiple agent to be the mixture of polyisobutene and Ethylene Propylene Terpolymer, wherein the mass ratio of polyisobutene and Ethylene Propylene Terpolymer is 2:1; The multiple agent of described blackout is the mixture of acrylate, staining agent and wetting agent, wherein acrylate, staining agent (BlackAFR, the penetrating stain that BASF AG produces) are 1:2:1 with the mass ratio of wetting agent (oil soluble azone); Described brightening agent is the mixture of sulfonated petro-leum and diprotic acid, wherein the mass ratio 1:2 of sulfonated petro-leum and diprotic acid; Tensio-active agent is oiliness resol;
(2) bearing steel workpiece (bearing roller nominal outside diameter is of a size of 28mm) is heated to 980 DEG C, insulation 1h;
(3) the quenching oil quenching that the bearing steel workpiece after terminating immerses preparation in step (1) is incubated in step (2);
(4) when the temperature of step (3) centre bearer steel workpiece is down to 100 DEG C, it is taken out from quenching oil, then carry out air cooling.
In above-mentioned steps (1), the preparation process of quenching oil is:
A () takes 0.13 part of polyisobutene by mass fraction and mixes with 0.07 part of Ethylene Propylene Terpolymer, be then heated to 65 DEG C, is cooled to room temperature and obtains urging cold multiple agent after insulation 1h;
B () takes 0.075 part of acrylate in proportion, 0.15 part of BlackAFR mixes with 0.075 part of oil soluble azone, obtains multiple agent of turning black;
C () takes 0.07 part of sulfonated petro-leum by mass fraction and mixes with 0.13 part of diprotic acid, obtain brightening agent;
D () takes refining base oil 19 parts by mass fraction, what then add the middle preparation of step (a) urges cold multiple agent, and stirring at normal temperature 30min, forms mixture 1;
E () takes 2 parts of tensio-active agents by mass fraction, then add the brightening agent of preparation in step (c), mix post-heating to 50 DEG C, after insulation 23min, obtains mixture 2;
F mixture 1 in step (d) mixes with the mixture 2 in step (e) by (), be then heated to 35 DEG C of insulation 20min, obtain mixture 3;
G () joins in the mixture 3 obtained in step (f) after multiple for the blackout in step (b) agent is heated to 50 DEG C, stir 60min, obtain above-mentioned quenching oil.
The quenching oil of the present embodiment forms one deck rete to after bearing steel workpiece (bearing roller) quenching on bearing steel workpiece surface, the bearing steel workpiece after quenching is made to have desirable microtexture form, obtain desirable quenching hardness and metallographic structure, realize physical strength and the toughness of workpiece needs; Form fine and close membrane structure at bearing steel class piece surface simultaneously, realize the effect of the automatic blackout in surface, reduce thermal treatment rear surface and again apply antirust treatment, save energy, reduce operation, production efficiency improves at least 50%.The hardening liquid prepared under this implementation condition has that good dispersity, heat transfer performance are good, the advantage of for shelf-stable, and after lucifuge places 3 years, reunion iso-metamorphism phenomenon can not occur quenching oil; The kinematic viscosity of the quenching oil of blackout certainly adopted is 20mm
2/ s, to the cooling rate of bearing steel class part at 90 DEG C/s.
Claims (8)
1. a method of certainly turning black after making bearing steel by quenching, the steps include:
(1) prepare quenching oil, composition and each constituent mass number of quenching oil are: refining base oil 17-19 part, urge cold multiple agent 0.2-0.6 part, the multiple agent 0.1-0.3 part of blackout, brightening agent 0.2-0.5 part, tensio-active agent 1-2 part, wherein the kinematic viscosity 28-42mm of refining base oil
2/ s, pour point≤-9 DEG C, acid number≤0.02mgKOH/g; Described urges cold multiple agent to be the mixture of polyisobutene and Ethylene Propylene Terpolymer, and wherein the mass ratio of polyisobutene and Ethylene Propylene Terpolymer is 2:1; The multiple agent of described blackout is the mixture of acrylate, staining agent and wetting agent, and wherein the mass ratio of acrylate, staining agent and wetting agent is 1:2:1;
(2) bearing steel workpiece is heated to more than 900 DEG C, insulation 1.5-2h;
(3) the quenching oil quenching that the bearing steel workpiece after terminating immerses preparation in step (1) is incubated in step (2);
(4) when the temperature of step (3) centre bearer steel workpiece is down to 80-100 DEG C, it is taken out from quenching oil, then carry out air cooling.
2. a kind of method made from blackout after bearing steel by quenching according to claim 1, it is characterized in that: composition and each constituent mass number of the middle quenching oil of described step (1) are: refining base oil 18 parts, urge cold multiple agent 0.3 part, the multiple agent 0.16 part of blackout, brightening agent 0.3 part, 1.24 parts, tensio-active agent.
3. a kind of method made from blackout after bearing steel by quenching according to claim 1 and 2, is characterized in that: in described step (1), tensio-active agent is oiliness resol; Described staining agent is BlackAFR, and described wetting agent is oil soluble azone.
4. a kind of method made from blackout after bearing steel by quenching according to claim 3, is characterized in that: in described step (1), the preparation method of quenching oil is:
A () takes 0.13-0.4 part polyisobutene in proportion and mixes with 0.07-0.2 part Ethylene Propylene Terpolymer, be then heated to 50-65 DEG C, is cooled to room temperature and obtains urging cold multiple agent after insulation 1-2h;
B () takes 0.025-0.075 part acrylate by mass fraction, 0.05-0.15 part staining agent mixes with 0.025-0.075 part wetting agent, obtains multiple agent of turning black;
C () takes 0.07-0.17 part sulfonated petro-leum by mass fraction and mixes with 0.13-0.33 part diprotic acid, obtain brightening agent;
D () takes refining base oil 17-19 part by mass fraction, what then add the middle preparation of step (a) urges cold multiple agent, and stirring at normal temperature 30min, forms mixture 1;
E () takes 1-2 part tensio-active agent by mass fraction, then add the brightening agent of preparation in step (c), mix post-heating to 30-50 DEG C, after insulation 20-30min, obtains mixture 2;
F mixture 1 in step (d) mixes with the mixture 2 in step (e) by (), be then heated to 30-40 DEG C of insulation 20-25min, obtain mixture 3;
G multiple for blackout in step (b) agent joins in the mixture 3 obtained in step (f) by (), stir 45-60min, the quenching oil that to obtain described in claim 1 a kind of can make from blackout after bearing steel by quenching.
5. a kind of method made from blackout after bearing steel by quenching according to claim 4, is characterized in that: in described step (a), polyisobutene and Ethylene Propylene Terpolymer are heated to 60 DEG C, is cooled to room temperature and obtains urging and coldly answer agent after insulation 1.5h.
6. a kind of method made from blackout after bearing steel by quenching according to claim 4, is characterized in that: in described step (e), tensio-active agent mixes post-heating to 40 DEG C with brightening agent, after being incubated 25min, obtains mixture 2.
7. a kind of method made from blackout after bearing steel by quenching according to claim 6, is characterized in that: mixed by mixture 1 mixture 2 in described step (f), is then heated to 40 DEG C of insulation 20min, obtains mixture 3.
8. a kind of method made from blackout after bearing steel by quenching according to claim 7, it is characterized in that: add in mixture 3 after multiple for blackout agent being heated to 50 DEG C in described step (g), stir 55min, obtain described a kind of quenching oil that can make from blackout after bearing steel by quenching.
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| CN105925770A (en) * | 2016-07-11 | 2016-09-07 | 马鞍山金泉工业介质科技有限公司 | Quenching oil capable of enabling screw to blacken automatically after quenched and quenching method thereof |
| CN105925776A (en) * | 2016-05-27 | 2016-09-07 | 安庆银亿轴承有限公司 | Heat treatment process for bearing retainer |
| CN105925769A (en) * | 2016-07-11 | 2016-09-07 | 马鞍山金泉工业介质科技有限公司 | Chain piece specific quenching oil and quenching method thereof |
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| CN105969957A (en) * | 2016-07-11 | 2016-09-28 | 马鞍山金泉工业介质科技有限公司 | Quenching oil capable of making fastener become black by itself after quenching and application method of quenching oil |
| CN106893828A (en) * | 2017-03-01 | 2017-06-27 | 尚可仕工业介质（盐城）有限公司 | A kind of rapid quenching medium and preparation technology |
| CN109385512A (en) * | 2019-01-03 | 2019-02-26 | 常州龙邦润滑油有限公司 | From the quenching oil and preparation method thereof to black after quenching bearing parts |
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| CN105969957B (en) * | 2016-07-11 | 2018-06-26 | 马鞍山金泉工业介质科技有限公司 | A kind of quenching oil that fastener can be made to black certainly after quenching and its application method |
| CN106893828A (en) * | 2017-03-01 | 2017-06-27 | 尚可仕工业介质（盐城）有限公司 | A kind of rapid quenching medium and preparation technology |
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