CN103878703A - Strengthened grinding method for wear-resisting alloy steel workpiece surface - Google Patents
Strengthened grinding method for wear-resisting alloy steel workpiece surface Download PDFInfo
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Abstract
The invention relates to a strengthened grinding method for wear-resisting alloy steel workpiece surface. The method comprises the steps of ejecting a mixture to the surface of a wear-resisting alloy steel workpiece with speed of 100-300 m/s and an ejecting angle of 15-75 degrees, and completely covering the surface of the wear-resisting alloy steel workpiece by ejecting points, wherein the mixture is composed of steel balls, grinding powder and strengthened grinding modified liquid with the mass ratio of the steel balls to the grinding powder to the strengthened grinding modified liquid of (1:1:1) to (5:1:3); the steel balls are cast steel balls or bearing steel balls with the hardness greater than 62 HRC (rockwell hardness) and the diameter of phi1-phi8; the strengthened grinding modified liquid is composed of the following raw materials by weight percentage: 15%-25% of extreme pressure additive, 2-3% of corrosion remover, 10-15% of penetrant, 4-6% of pH conditioning agent, 2-8% of non-ionic surface active agent, 2-5% of pH buffering agent, 0.3-0.8% of softener, 1% of alkali, 0.1-0.2% of defoamer, 0.2-0.5% of antirust agent and the balance of water. By utilizing the strengthened grinding method, strengthened treatment can be carried out on the wear-resisting alloy steel workpiece surface in the grinding process of ejecting a grinding material so as to prolong the fatigue life and improve the surface hardness of a workpiece.
Description
Technical field
The method that the present invention relates to the abrasive blasting for producing special-effect, the method can be carried out intensive treatment to antifriction alloy steel workpiece surface in the process of lapping of abrasive blasting.
Background technology
Metal material surface process technology (especially process for modifying surface) can improve intensity, hardness and the anti-wear performance of material widely, has been widely used in the manufacture field of component of machine.
Prior art discloses the correlation technique of a lot of metal surface properties modifications.The people's such as Cai Xun patent of invention CN101070592B discloses " method of the composite ion-injection surface modification of copper or its alloy ", adopt compound ion implantation technique to realize hardness and the anti-wear performance at copper or its alloy surface injected with metallic elements or nonmetalloid raising workpiece, but the method needs first surface of the work to be carried out to polishing, clean, the series of process processing such as oven dry, and media element injection process needs under high ambient conditions, easily to make for a long time workpiece to produce thermal deformation, consume more heat energy simultaneously, the too complicated cost of technique is more expensive, the scope of application is little.The patent of invention CN100554519C of Chen Zhigui discloses " a kind of surface peening of long-life bearing and lubricating process ", adopt salt bath furnace to carry out nitrocarburizing processing, Quenching Treatment and lonneal processing to the inside and outside lasso of bearing and rolling element parts, can improve antisticking, the bite-resistant abrasive ability of bearing under the unlubricated condition of heavily stressed rotation, but the method equally also needs under high ambient conditions, easily to make for a long time workpiece to produce thermal deformation, also consume more heat energy, complex process and efficiency are not high enough simultaneously.The people's such as Li Wei patent of invention CN102560508A discloses " utilizing surface mechanical attrition treatment metal material to be carried out to the method for surface modification ", utilize the high diffusibility of nano material, adopt SMAT technology to carry out the infiltration of media element and annealing in process to improve its surface property to metal material, but the method is also longer to the metal material workpiece processing time, efficiency is lower, is unfavorable for producing in enormous quantities.Along with the development of nanometer technology, also more and more extensive to the application of nano material.The patent of invention CN100545309C of principality's constitution, Jinmei Zhang discloses " a kind of metal surface modification method ", deposit the step such as aligned carbon nanotube superposed layer, the cold embedding of pressure rolling by magnetophoresis, form aligned carbon nanotube composite bed in metal surface, improve anti-oxidant, the wear resistance of metal surface, but the method easily makes metal material magnetization, is unfavorable for follow-up manufacture and the use of metal material.The people's such as Zhang He patent of invention CN101979450B discloses " preparation method of lapping liquid, lapping liquid and use the Ginding process of this lapping liquid ", by deionized water, bortz powder, glycerine, antirust agent and additive preparation lapping liquid, silicon carbide wafer being carried out to attrition process has and can prevent the characteristic that scratches and mill gets rusty, but the method is only processed workpiece from mechanical angle, cannot form multiple effect, working (machining) efficiency is also not high enough.
All the time, antifriction alloy steel workpiece is carried out to Surface Machining and be all difficult to reach following complex art effect; be that ︰ can reduce workpiece surface roughness, and improve its case hardness, be formed with beneficial effects such as being beneficial to antifatigue, anti abrasive finished surface oil sac and texture and residual pressure, can realize again the efficient and energy-conservation of processing, can also make material workpiece obtain the modified layer that is more significantly beneficial to antifatigue, wear-resistant finished surface.
The Liu Xiaochu of Guangzhou University professor has proposed the strengthening grinding method (seeing that publication number is the patent application of CN101733707A) of processing for metal material surface processing the earliest in China, the method is by steel ball, grounds travel and strengthening lapping liquid mix and are injected into antifriction alloy steel workpiece surface, antifriction alloy steel workpiece surface is carried out to mechanical enhancer grinding, the method is strengthened attrition process and can improve well the case hardness of workpiece to antifriction alloy steel workpiece surface, intensity and roughness are also formed with and are beneficial to antifatigue, anti abrasive finished surface oil sac and texture and residual pressure etc.But follow-up further investigation shows, the method has the following disadvantages: only solely antifriction alloy steel workpiece surface is carried out mechanical enhancer and can not carry out chemical modification simultaneously.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of strengthening Ginding process of antifriction alloy steel workpiece surface, the method can be carried out intensive treatment to antifriction alloy steel workpiece surface in the process of lapping of abrasive blasting, to improve fatigue life and the case hardness of workpiece.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
A kind of strengthening Ginding process of antifriction alloy steel workpiece surface, the method is made up of following steps: compound is ejected on antifriction alloy steel workpiece surface with the speed of 100～300m/s and the jet angle of 15～75 °, and makes spray site cover antifriction alloy steel workpiece surface completely; Wherein, described compound grinds modification liquid=1 ︰ 1 ︰ 1～5 ︰ 1 ︰ 3 mass ratioes by Gang Qiu ︰ Yan Mo Fen ︰ strengthening steel ball, grounds travel and strengthening grinding modification liquid form; Wherein,
Described steel ball be with the diameter that hardness is greater than 62HRC be the cast steel ball of Φ 1～Φ 8mm or the steel ball of bearing steel;
Described grounds travel is that particle diameter is 80～280 object brown alundum powders;
Described strengthening is ground modification liquid and is made up of the raw material of following percentage by weight: fatty acid imidazoline quinoline borate 15～25%, Sodium Benzoate 2～3%, sodium alkyl sulfonate 10～15%, triethanolamine 4～6%, AEO 2～8%, borax (chemistry sodium tetraborate by name) 2～5%, disodium ethylene diamine tetraacetate 0.3～0.8%, NaOH 1%, polyoxypropylene 0.1～0.2%, BTA 0.2～0.5%, all the other are water; Wherein, described EP agent is the one in fatty acid imidazoline quinoline borate, phosphate amine salt compound, trimethylphenyl borate and aliphatic acid diethanol phthalein amine borate; Described anticorrisive agent is the one in Sodium Benzoate, oneself two diluted acids, ethyl-para-hydroxybenzoate and p-hydroxybenzoic acid; Described bleeding agent is the one in sodium alkyl sulfonate, alkyl sulfate sodium, AEO and APES; Described pH adjusting agent is the one in triethanolamine, sodium hydrogen phosphate, sorbic acid and citric acid; Described non-ionic surface active agent is the one in AEO, APES, fatty acid polyethylene glycol ester and polyol ester APEO; Described pH buffer is the one in borax, amion acetic acid-hydrochloric acid, Potassium Hydrogen Phthalate-NaOH and acetate; Described softening agent is the one in disodium ethylene diamine tetraacetate, dioctadecyl dimethyl ammonium chloride, polyoxyethylene alkyl ether and sodium phosphate trimer; Described alkali is the one in NaOH, sodium carbonate, sodium acid carbonate and calcium hydroxide; Described defoamer is the one in polyoxypropylene, dimethyl silicone polymer, polyoxyethylene polyoxypropylene pentaerythrite ether and tributyl phosphate; Described antirust agent is the one in BTA, alkenyl succinic acid, fatty acid amine and sulfonic amine salt.
In such scheme, the priority scheme that modification liquid is ground in described strengthening is one of following 4 kinds:
Scheme 1: fatty acid imidazoline quinoline borate 15～25%, Sodium Benzoate 2～3%, sodium alkyl sulfonate 10～15%, triethanolamine 4～6%, AEO 2～8%, borax 2～5%, disodium ethylene diamine tetraacetate 0.3～0.8%, NaOH 1%, polyoxypropylene 0.1～0.2%, BTA 0.2～0.5%, all the other are water.
Scheme 2: phosphate amine salt compound 15～25%, oneself two diluted acids 2～3%, alkyl sulfate sodium 10～15%, sodium hydrogen phosphate 4～6%, APES 2～8%, amion acetic acid-hydrochloric acid 2～5%, dioctadecyl dimethyl ammonium chloride 0.3～0.8%, sodium carbonate 1%, dimethyl silicone polymer 0.1～0.2%, alkenyl succinic acid 0.2～0.5%, all the other are water.
Scheme 3: trimethylphenyl borate 15～25%, ethyl-para-hydroxybenzoate 2～3%, AEO 10～15%, sorbic acid 4～6%, fatty acid polyethylene glycol ester 2～8%, Potassium Hydrogen Phthalate-NaOH 2～5%, polyoxyethylene alkyl ether 0.3～0.8%, sodium acid carbonate 1%, polyoxyethylene polyoxypropylene pentaerythrite ether 0.1～0.2%, fatty acid amine 0.2～0.5%, all the other are water.
Scheme 4: aliphatic acid diethanol phthalein amine borate 15～25%, p-hydroxybenzoic acid 2～3%, APES 10～15%, citric acid 4～6%, polyol ester APEO 2～8%, acetate 2～5%, sodium phosphate trimer 0.3～0.8%, calcium hydroxide 1%, tributyl phosphate 0.1～0.2%, sulfonic amine salt 0.2～0.5%, all the other are water.
Strengthening Ginding process of the present invention, can slightly grind and lappingout antifriction alloy steel workpiece surface.When lappingout, the grating of described steel ball is Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=1 ︰ 1 ︰ 1～4 ︰ 3 ︰ 1, and, average grain diameter 150～280 orders of described grounds travel; While slightly grinding, the grating of described steel ball is Φ 4mm ︰ Φ 5mm ︰ Φ 6mm ︰ Φ 7mm ︰ Φ 8=1 ︰ 1 ︰ 1 ︰ 1 ︰ 1～5 ︰ 3 ︰ 3 ︰ 2 ︰ 1, and the average grain diameter of described grounds travel is 80～120 orders.
Oblique compound high velocity jet is arrived work metal material surface of the work by strengthening Ginding process of the present invention, there is violent continuously collision in the steel ball in compound and grounds travel and antifriction alloy steel workpiece surface, make the metallic atom lattice relaxation of antifriction alloy steel workpiece surface impact zone, structure cracking, thereby inspire high energy electron and form ion plasma, modification liquid and metal material generation friction chemical reaction are ground in induction strengthening, this reaction make strengthening grind nitrogen (N) atom in modification liquid surface of the work generate nitrogen content higher there is antifriction, the rich nitrogen chemical physics rete of wear-resistant and antioxidation, thereby improve the fatigue life of workpiece.In addition, the whole process of strengthening Ginding process of the present invention is to carry out under non-compressed air and room temperature, and therefore workpiece neither can produce thermal deformation, and surface is also difficult for oxidized.
It is inseparable with the effect that described strengthening grinding modification liquid produces why strengthening Ginding process of the present invention has above-mentioned beneficial effect.Described strengthening is ground in modification liquid, EP agent in friction can with metal material generation friction chemical reaction, generate the N compound of stratiform; Anticorrisive agent can suppress the breeding of microorganism in strengthening grinding modification liquid, prevents that it lost efficacy, and can significantly improve the rust-preventing characteristic of lapping liquid to steel, iron with triethanolamine is composite simultaneously; Bleeding agent has excellent infiltration, washing, wetting, decontamination and emulsification; PH adjusting agent is ground the pH value of modification liquid for adjusting strengthening, have rust inhibition simultaneously; Non-ionic surface active agent can significantly reduce the surface tension of water, contributes to strengthening to grind modification liquid and permeates in workpiece to be machined surface; Borax is not only soluble in water, and soda acid that can cushioning liquid changes, and contained boron element has good sterilization, anticorrosion, abrasion-resistance; PH buffer can be by water softening, avoids calcium ions and magnesium ions in water to react the impact of the precipitation generating on crudy; Softening agent can promote the hydrolysis of water base EP agent, contributes to the generation of friction chemical reaction; Defoamer can be eliminated the foam that produces in process; Antirust agent can prevent workpiece process generation oxidation reaction.
Accompanying drawing explanation
Fig. 1 is that while implementing strengthening Ginding process of the present invention, nozzle and the location of workpiece are related to schematic diagram.
The specific embodiment
Example 1(lappingout)
Adopt the bearing ring inner ring that antifriction alloy steel workpiece is GCr15, it is strengthened to attrition process.
(1) preparation of compound
1. strengthening is ground modification liquid (abbreviation lapping liquid) and is respectively following 4 kinds of preparation programs:
Scheme 1: by weight percentage fatty acid imidazoline quinoline borate 15%, Sodium Benzoate 2%, sodium alkyl sulfonate 12%, triethanolamine 5%, AEO 4%, borax (chemistry sodium tetraborate by name) 3%, disodium ethylene diamine tetraacetate 0.5%, NaOH 1%, polyoxypropylene 0.1% and BTA 0.3% are joined in 57.1% water and stir, must strengthen grinding modification liquid;
Scheme 2: by weight percentage phosphate amine salt compound 16.5%, oneself two diluted acids 2.1%, alkyl sulfate sodium 10%, sodium hydrogen phosphate 4.2%, APES 7%, amion acetic acid-hydrochloric acid 2.5%, dioctadecyl dimethyl ammonium chloride 0.3%, sodium carbonate 1%, dimethyl silicone polymer 0.1% and alkenyl succinic acid 0.3% are joined in 58.1% water and stir, must strengthen and grind modification liquid;
Scheme 3: by weight percentage by trimethylphenyl borate 17.5%, ethyl-para-hydroxybenzoate 2.5%, AEO 13%, sorbic acid 5%, fatty acid polyethylene glycol ester 5%, Potassium Hydrogen Phthalate-NaOH 4%, polyoxyethylene alkyl ether 0.5%, sodium acid carbonate 1%, polyoxyethylene polyoxypropylene pentaerythrite ether 0.2%, fatty acid amine 0.4% join in 59.1% water and stir, and must strengthen and grind modification liquid;
Scheme 4: by weight percentage aliphatic acid diethanol phthalein amine borate 15.4%, p-hydroxybenzoic acid 3%, APES 13.5%, citric acid 4%, polyol ester APEO 6%, acetate 3%, sodium phosphate trimer 0.6%, calcium hydroxide 1%, tributyl phosphate 0.2%, sulfonic amine salt 0.5% are joined in 60.1% water and stir, must strengthen and grind modification liquid;
2. the steel ball that by the grating of Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=2 ︰ 2 ︰ 1, diameter is respectively to the cast steel material that the Rockwell hardness of Φ 1mm, Φ 2mm and Φ 3mm is 65HRC mixes;
3. brown alundum powder is first crossed to 150 mesh sieves, after 280 mesh sieves, the brown alundum powder above collection screen;
4. 1. the brown alundum powder that 3. steel ball that 2. Gang Qiu ︰ Yan Mo Fen ︰ strengthening grinding modification liquid=1 ︰ 1 ︰ 1 mass ratio obtains step and step obtain joins step must strengthen in grinding modification liquid and mix, and is strengthened and grinds compound used.
(2) strengthening attrition process
The preparation of institute's compound is packed in the compound storage device of strengthening grinder of inventor's independent development, again by bearing ring 2 clampings on the workbench 3 of described strengthening grinder, and be 30 degree by the angle a that makes the tangent line of any point on the shaft core line of nozzle 1 of described strengthening grinder and bearing ring 2 raceway grooves shown in Fig. 1, then start described strengthening grinder, compound is ejected in bearing ring 2 raceway grooves with the speed of 100m/s, and makes spray site cover the bearing ring inner peripheral surface of GCr15 completely.
(3) Contrast on effect
After strengthening and grinding rear bearing lasso and adopt supersonic wave cleaning machine to clean and dry, adopt JMTT numeral Rockwell apparatus to measure channel surface hardness number, adopt Olympus laser confocal microscope to measure channel surface roughness value, adopt X-ray energy spectrometer (EDS) to measure the content of the each element of channel surface, adopt ABLT-1A type automatically to control the fatigue life of rolling bearing fatigue life testing machine measurement bearing ring, load radial load 16.85kN, bearing rotating speed is 4200 rpms, until bearing ring fatigue failure, and by indices testing result with processing before compared with, comparative result is as shown in table 1 below:
The effect comparison of front and back is ground in table 1 strengthening
Example 2(slightly grinds)
Adopt the bearing ring inner ring that antifriction alloy steel workpiece is 1Cr18Ni9, it is strengthened to attrition process.
(1) preparation of compound
1. strengthening is ground modification liquid and is respectively following 4 kinds of preparation programs:
Scheme 1: by weight percentage fatty acid imidazoline quinoline borate 16%, Sodium Benzoate 2%, sodium alkyl sulfonate 11%, triethanolamine 4%, AEO 5%, borax (chemistry sodium tetraborate by name) 3.5%, disodium ethylene diamine tetraacetate 0.4%, NaOH 1%, polyoxypropylene 0.1% and BTA 0.2% are joined in 56.8% water and stir, must strengthen grinding modification liquid;
Scheme 2: by weight percentage phosphate amine salt compound 16.5%, oneself two diluted acids 3%, alkyl sulfate sodium 10.5%, sodium hydrogen phosphate 4.4%, APES 6%, amion acetic acid-hydrochloric acid 2%, dioctadecyl dimethyl ammonium chloride 0.3%, sodium carbonate 1%, dimethyl silicone polymer 0.1% and alkenyl succinic acid 0.3% are joined in 57.8% water and stir, must strengthen and grind modification liquid;
Scheme 3: by weight percentage by trimethylphenyl borate 16.7%, ethyl-para-hydroxybenzoate 2.4%, AEO 12%, sorbic acid 5.4%, fatty acid polyethylene glycol ester 7%, Potassium Hydrogen Phthalate-NaOH 3%, polyoxyethylene alkyl ether 0.5%, sodium acid carbonate 1%, polyoxyethylene polyoxypropylene pentaerythrite ether 0.2%, fatty acid amine 0.5% join in 58.8% water and stir, and must strengthen and grind modification liquid;
Scheme 4: by weight percentage aliphatic acid diethanol phthalein amine borate 18.3%, p-hydroxybenzoic acid 2.6%, APES 15%, citric acid 6%, polyol ester APEO 8%, acetate 5%, sodium phosphate trimer 0.4%, calcium hydroxide 1%, tributyl phosphate 0.1%, sulfonic amine salt 0.5% are joined in 59.8% water and stir, must strengthen and grind modification liquid;
2. the steel ball that by the grating of Φ 4mm ︰ Φ 5mm ︰ Φ 6mm ︰ Φ 7mm ︰ Φ 8mm=1 ︰ 2 ︰ 2 ︰ 1, diameter is respectively to the bearing steel material that the Rockwell hardness of Φ 1mm, Φ 2mm and Φ 3mm is 65HRC mixes;
3. brown alundum powder is first crossed to 80 mesh sieves, after 120 mesh sieves, the brown alundum powder above collection screen;
4. 1. the brown alundum powder that 3. steel ball that 2. Gang Qiu ︰ Yan Mo Fen ︰ strengthening grinding modification liquid=2 ︰ 1 ︰ 1 mass ratio obtains step and step obtain joins step must strengthen in grinding modification liquid and mix, and is strengthened and grinds compound used.
(2) strengthening attrition process
The preparation of institute's compound is packed in the compound storage device of strengthening grinder, again by bearing ring 2 clampings on the workbench 3 of described strengthening grinder, and be 35 degree by the angle a that makes the tangent line of any point on the shaft core line of nozzle 1 of described strengthening grinder and bearing ring 2 raceway grooves shown in Fig. 1, then start described strengthening grinder, compound is ejected in bearing ring 2 raceway grooves with the speed of 120m/s, and makes spray site cover the bearing ring inner peripheral surface of 1Cr18Ni9 completely.
(3) Contrast on effect
After strengthening and grinding rear bearing lasso and adopt supersonic wave cleaning machine to clean and dries, adopt respectively the indices of the described apparatus measures raceway groove of example 1 step (3), and by this testing result and process compared with front each index, comparative result is as shown in table 2 below:
The effect comparison of front and back is ground in table 2 strengthening
The impact of the different jet velocity strengthening of example 3(grinding effect)
1, adopting antifriction alloy steel workpiece is 1Cr13 bearing ring inner ring, and it is strengthened to attrition process.
(1) preparation of compound
1. by weight percentage fatty acid imidazoline quinoline borate 18%, Sodium Benzoate 2.2%, sodium alkyl sulfonate 12.5%, triethanolamine 4.5%, AEO 2%, borax (chemistry sodium tetraborate by name) 2.5%, disodium ethylene diamine tetraacetate 0.6%, NaOH 1%, polyoxypropylene 0.2% and BTA 0.4% are joined in 56.1% water and stir, must strengthen grinding modification liquid;
2. the steel ball that by the grating of Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=2 ︰ 1 ︰ 1, diameter is respectively to the cast steel material that the Rockwell hardness of Φ 1mm, Φ 2mm and Φ 3mm is 65HRC mixes;
3. brown alundum powder is first crossed to 150 mesh sieves, after 280 mesh sieves, the brown alundum powder above collection screen;
4. 1. the brown alundum powder that 3. steel ball that 2. Gang Qiu ︰ Yan Mo Fen ︰ strengthening grinding modification liquid=2 ︰ 1 ︰ 2 mass ratioes obtain step and step obtain joins step must strengthen in grinding modification liquid and mix, and is strengthened and grinds compound used.
(2) strengthening attrition process
1. the preparation of institute's compound is packed in the compound storage device of strengthening grinder, again by bearing ring 2 clampings on the workbench 3 of described strengthening grinder, and be 40 degree by the angle a that makes the tangent line of any point on the shaft core line of nozzle 1 of described strengthening grinder and bearing ring 2 raceway grooves shown in Fig. 1; Then start described strengthening grinder, make compound with 40,60,80,100,200,300,320,360 and a kind of speed of 400m/s be ejected into respectively in 9 bearing ring 2 raceway grooves, and make spray site cover the bearing ring inner peripheral surface of each 1Cr13 completely.
2, Contrast on effect
After 9 bearing rings after strengthening is ground adopt supersonic wave cleaning machine to clean and dry, adopt respectively the indices of the described apparatus measures raceway groove of example 1 step (3), result is as shown in table 3 below.From table 3,100～300m/s jet velocity effect is best.
Effect comparison after the different jet velocity strengthenings of table 3 are ground
The impact of example 4(spray angle on grinding effect)
(1) antifriction alloy steel workpiece is 2Cr13 bearing ring inner ring, totally 8.
(2) compound method of compound is as follows:
1. by weight percentage fatty acid imidazoline quinoline borate 17%, Sodium Benzoate 2.5%, sodium alkyl sulfonate 11.5%, triethanolamine 5.5%, AEO 3%, borax (chemistry sodium tetraborate by name) 2%, disodium ethylene diamine tetraacetate 0.7%, NaOH 1%, polyoxypropylene 0.1% and BTA 0.5% are joined in 56.2% water and stir, must strengthen grinding modification liquid;
2. the steel ball that by the grating of Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=3 ︰ 1 ︰ 1, diameter is respectively to the cast steel material that the Rockwell hardness of Φ 1mm, Φ 2mm and Φ 3mm is 66HRC mixes;
3. brown alundum powder is first crossed to 150 mesh sieves, after 280 mesh sieves, the brown alundum powder above collection screen;
4. 1. the brown alundum powder that 3. steel ball that 2. Gang Qiu ︰ Yan Mo Fen ︰ strengthening grinding modification liquid=2 ︰ 1 ︰ 1 mass ratio obtains step and step obtain joins step must strengthen in grinding modification liquid and mix, and is strengthened and grinds compound used.
(3) method described in employing example 1 is strengthened attrition process, and the technological parameter of strengthening attrition process is: 1. the jet velocity of compound is 150m/s; 2. each bearing ring inner ring selects following a kind of jet angle to process: 5 degree, 10 degree, 15 degree, 45 degree, 75 degree, 80 degree, 85 degree, 90 degree.
(4) Contrast on effect
After 8 bearing rings after strengthening is ground adopt supersonic wave cleaning machine to clean and dry, adopt respectively the indices on the described processed rear bearing ring raceways of the apparatus measures surface of step in example 1 (3), result is as shown in table 4 below.From table 4, the jet angle effect of 15～75 ° is best.
Effect comparison after the different spray angle strengthenings of table 4 are ground
The impact of example 5(different gradation steel ball on grinding effect)
1, lappingout
(1) antifriction alloy steel workpiece is 25Cr2Mo bearing ring inner ring, totally 7.
(2) preparation of compound
1. modification liquid is ground in strengthening, by weight percentage fatty acid imidazoline quinoline borate 19%, Sodium Benzoate 2.2%, sodium alkyl sulfonate 13%, triethanolamine 6%, AEO 6%, borax (chemistry sodium tetraborate by name) 4%, disodium ethylene diamine tetraacetate 0.8%, NaOH 1%, polyoxypropylene 0.2% and BTA 0.4% are joined in 47.4% water and stir, must strengthen grinding modification liquid;
2. the material of steel ball is that Rockwell hardness is the bearing steel of 66HRC, and diameter is respectively Φ 1mm, Φ 2mm and Φ 3mm;
3. brown alundum powder is first crossed to 150 mesh sieves, after 280 mesh sieves, the brown alundum powder above collection screen;
4. 1. the brown alundum powder that 3. steel ball that 2. Gang Qiu ︰ Yan Mo Fen ︰ strengthening grinding modification liquid=3 ︰ 1 ︰ 1 mass ratio obtains step and step obtain joins step must strengthen in grinding modification liquid and mix, and is strengthened and grinds compound used;
The above-mentioned steps 2. grating of described steel ball is following 7 kinds of schemes:
Scheme 1: Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=1 ︰ 1 ︰ 3,
Scheme 2: Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=1 ︰ 1 ︰ 2;
Scheme 3: Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=1 ︰ 1 ︰ 1;
Scheme 4: Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=2 ︰ 2 ︰ 1;
Scheme 5: Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=4 ︰ 3 ︰ 1;
Scheme 6: Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=5 ︰ 4 ︰ 1;
Scheme 7: Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=6 ︰ 3 ︰ 1.
(3) lappingout bearing ring channel
(3) method described in employing example 1 is strengthened attrition process, and the technological parameter of strengthening attrition process is: 1. the jet velocity of compound is 150m/s; 2. jet angle 50 is spent; 3. each bearing ring inner ring adopts respectively a kind of compound of steel ball grating to carry out lappingout.
(4) Contrast on effect
After 7 bearing rings after strengthening is ground adopt supersonic wave cleaning machine to clean and dry, adopt respectively the indices on the described processed rear bearing ring raceways of the apparatus measures surface of example 1 step (3), result is as shown in table 5 below.From table 5, when lappingout, steel ball grating is that the effect of Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=1 ︰ 1 ︰ 1～4 ︰ 3 ︰ 1 is best.
Effect comparison after table 5 different gradation steel ball lappingout
2, slightly grind
(1) antifriction alloy steel workpiece is 25Cr2Mo bearing ring inner ring, totally 7.
(2) preparation of compound
1. by weight percentage fatty acid imidazoline quinoline borate 20%, Sodium Benzoate 2.6%, sodium alkyl sulfonate 14%, triethanolamine 4%, AEO 7%, borax (chemistry sodium tetraborate by name) 5%, disodium ethylene diamine tetraacetate 0.3%, NaOH 1%, polyoxypropylene 0.1% and BTA 0.2% are joined in 45.8% water and stir, must strengthen grinding modification liquid;
2. the material of steel ball is that Rockwell hardness is the bearing steel of 66HRC, and diameter is respectively Φ 4mm, Φ 5mm, Φ 6mm, Φ 7mm and Φ 8mm;
3. brown alundum powder is first crossed to 80 mesh sieves, after 120 mesh sieves, the brown alundum powder above collection screen;
4. 1. the brown alundum powder that 3. steel ball that 2. Gang Qiu ︰ Yan Mo Fen ︰ strengthening grinding modification liquid=3 ︰ 1 ︰ 1 mass ratio obtains step and step obtain joins step must strengthen in grinding modification liquid and mix, and is strengthened and grinds compound used;
The above-mentioned steps 2. grating of described steel ball is following 7 kinds of schemes:
Scheme 1: Φ 4mm ︰ Φ 5mm ︰ Φ 6mm ︰ Φ 7mm ︰ Φ 8mm=1 ︰ 1 ︰ 1 ︰ 1 ︰ 3;
Scheme 2: Φ 4mm ︰ Φ 5mm ︰ Φ 6mm ︰ Φ 7mm ︰ Φ 8mm=1 ︰ 1 ︰ 1 ︰ 1 ︰ 2;
Scheme 3: Φ 4mm ︰ Φ 5mm ︰ Φ 6mm ︰ Φ 7mm ︰ Φ 8mm=1 ︰ 1 ︰ 1 ︰ 1 ︰ 1;
Scheme 4: Φ 4mm ︰ Φ 5mm ︰ Φ 6mm ︰ Φ 7mm ︰ Φ 8mm=3 ︰ 2 ︰ 2 ︰ 1 ︰ 1;
Scheme 5: Φ 4mm ︰ Φ 5mm ︰ Φ 6mm ︰ Φ 7mm ︰ Φ 8mm=5 ︰ 3 ︰ 3 ︰ 2 ︰ 1;
Scheme 6: Φ 4mm ︰ Φ 5mm ︰ Φ 6mm ︰ Φ 7mm ︰ Φ 8mm=6 ︰ 4 ︰ 3 ︰ 2 ︰ 1;
Scheme 7: Φ 4mm ︰ Φ 5mm ︰ Φ 6mm ︰ Φ 7mm ︰ Φ 8mm=7 ︰ 4 ︰ 3 ︰ 2 ︰ 1;
(3) slightly grind bearing ring channel
Method described in employing example 2 is strengthened attrition process, and the technological parameter of strengthening attrition process is: 1. the jet velocity of compound is 180m/s; 2. jet angle 60 is spent; 3. each bearing ring inner ring adopts respectively a kind of compound of steel ball grating slightly to grind.
(4) Contrast on effect
After 7 bearing rings after strengthening is ground adopt supersonic wave cleaning machine to clean and dry, adopt respectively the indices on the described processed rear bearing ring raceways of the apparatus measures surface of example 1 step (3), result is as shown in table 6 below.From table 6, while slightly grinding, steel ball grating is that the effect of Φ 4mm ︰ Φ 5mm ︰ Φ 6mm ︰ Φ 7mm ︰ Φ 8=1 ︰ 1 ︰ 1 ︰ 1 ︰ 1～5 ︰ 3 ︰ 3 ︰ 2 ︰ 1 is best.
Effect comparison after table 6 different gradation steel ball slightly grinds
The impact of example 6(different-diameter steel ball on grinding effect)
1, lappingout
(1) antifriction alloy steel workpiece is GCr15 bearing ring inner ring, totally 7.
(2) preparation of compound
1. by weight percentage fatty acid imidazoline quinoline borate 21%, Sodium Benzoate 2.2%, sodium alkyl sulfonate 12.5%, triethanolamine 5.5%, AEO 5%, borax (chemistry sodium tetraborate by name) 4%, disodium ethylene diamine tetraacetate 0.8%, NaOH 1%, polyoxypropylene 0.2% and BTA 0.4% are joined in 47.4% water and stir, must strengthen grinding modification liquid;
2. the material of steel ball is that Rockwell hardness is the bearing steel of 66HRC, and diameter is respectively Φ 0.1mm～Φ 6mm;
3. brown alundum powder is first crossed to 150 mesh sieves, after 280 mesh sieves, the brown alundum powder above collection screen;
4. 1. the brown alundum powder that 3. steel ball that 2. Gang Qiu ︰ Yan Mo Fen ︰ strengthening grinding modification liquid=3 ︰ 1 ︰ 1 mass ratio obtains step and step obtain joins step must strengthen in grinding modification liquid and mix, and is strengthened and grinds compound used;
Above-mentioned steps 2. diameter and the grating thereof of described steel ball is following 7 kinds of schemes:
Scheme 1: press Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=1 ︰ 1 ︰ 1;
Scheme 2: Φ 0.4mm ︰ Φ 0.5mm ︰ Φ 0.6mm=1 ︰ 1 ︰ 1;
Scheme 3: Φ 0.7mm ︰ Φ 0.8mm ︰ Φ 0.9mm=1 ︰ 1 ︰ 1;
Scheme 4: Φ 0.8mm ︰ Φ 0.9mm ︰ Φ 1mm=1 ︰ 1 ︰ 1;
Scheme 5: Φ 0.1mm ︰ Φ 0.2mm ︰ Φ 0.3mm=1 ︰ 1 ︰ 1;
Scheme 6: Φ 2mm ︰ Φ 3mm ︰ Φ 4mm=1 ︰ 1 ︰ 1;
Scheme 7: Φ 4mm ︰ Φ 5mm ︰ Φ 6mm=1 ︰ 1 ︰ 1.
(3) lappingout bearing ring channel
Method described in employing example 1 is strengthened attrition process, and the technological parameter of strengthening attrition process is: 1. the jet velocity of compound is 160m/s; 2. jet angle 60 is spent; 3. each bearing ring inner ring adopts respectively a kind of compound of steel ball grating to grind.
(4) Contrast on effect
After 7 bearing rings after strengthening is ground adopt supersonic wave cleaning machine to clean and dry, adopt respectively the indices on the described processed bearing ring of the apparatus measures surface of example 1 step (3), result is as shown in table 7 below.From table 7, when lappingout, steel ball size is that the effect of Φ 1mm～Φ 3mm is best.
Effect comparison after table 7 different-diameter steel ball lappingout
2, slightly grind
(1) antifriction alloy steel workpiece is GCr15 bearing ring inner ring, totally 6.
(2) preparation of compound
1. by weight percentage fatty acid imidazoline quinoline borate 18%, Sodium Benzoate 2.6%, sodium alkyl sulfonate 13%, triethanolamine 4%, AEO 7.5%, borax (chemistry sodium tetraborate by name) 5%, disodium ethylene diamine tetraacetate 0.3%, NaOH 1%, polyoxypropylene 0.1% and BTA 0.2% are joined in 48.3% water and stir, must strengthen grinding modification liquid;
2. the material of steel ball is that Rockwell hardness is the bearing steel of 66HRC, and diameter is respectively Φ 0.8mm～Φ 9mm;
3. brown alundum powder is first crossed to 80 mesh sieves, after 120 mesh sieves, the brown alundum powder above collection screen;
4. 1. the brown alundum powder that 3. steel ball that 2. Gang Qiu ︰ Yan Mo Fen ︰ strengthening grinding modification liquid=3 ︰ 1 ︰ 1 mass ratio obtains step and step obtain joins step must strengthen in grinding modification liquid and mix, and is strengthened and grinds compound used;
Above-mentioned steps 2. diameter and the grating thereof of described steel ball is following 7 kinds of schemes:
Scheme 1: Φ 4mm ︰ Φ 5mm ︰ Φ 6mm ︰ Φ 7mm ︰ Φ 8mm=1 ︰ 1 ︰ 1 ︰ 1 ︰ 1
Scheme 2: Φ 0.8mm ︰ Φ 0.9mm ︰ Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=1 ︰ 1 ︰ 1 ︰ 1 ︰ 1;
Scheme 3: Φ 1mm ︰ Φ 2mm ︰ Φ 3mm ︰ Φ 4mm ︰ Φ 5mm=1 ︰ 1 ︰ 1 ︰ 1 ︰ 1;
Scheme 4: Φ 2mm ︰ Φ 3mm ︰ Φ 4mm ︰ Φ 5mm ︰ Φ 6mm=1 ︰ 1 ︰ 1 ︰ 1 ︰ 1;
Scheme 5: Φ 5mm ︰ Φ 6mm ︰ Φ 7mm ︰ Φ 8mm ︰ Φ 9mm=1 ︰ 1 ︰ 1 ︰ 1 ︰ 1;
Scheme 6: Φ 6mm ︰ Φ 7mm ︰ Φ 8mm ︰ Φ 9mm ︰ Φ 10mm=1 ︰ 1 ︰ 1 ︰ 1 ︰ 1;
(3) slightly grind bearing ring channel
Method described in employing example 2 is strengthened attrition process, and the technological parameter of strengthening attrition process is: 1. the jet velocity of compound is 155m/s; 2. jet angle 60 is spent; 3. each bearing ring inner ring adopts respectively a kind of compound of steel ball grating to grind.
(4) Contrast on effect
After 6 bearing rings after strengthening is ground adopt supersonic wave cleaning machine to clean and dry, adopt respectively the indices on the described processed bearing ring of the apparatus measures surface of example 1 step (3), result is as shown in table 8 below.From table 8, while slightly grinding, steel ball size is that the effect of Φ 4mm～Φ 8mm is best.
Effect comparison after table 8 different-diameter steel ball slightly grinds
The impact of example 7(grounds travel particle diameter on grinding effect)
1, lappingout
(1) antifriction alloy steel workpiece is 3Cr13 bearing ring inner ring, totally 5.
(2) preparation of compound
1. by weight percentage fatty acid imidazoline quinoline borate 22%, Sodium Benzoate 3%, sodium alkyl sulfonate 15%, triethanolamine 4.2%, AEO 8%, borax (chemistry sodium tetraborate by name) 4.5%, disodium ethylene diamine tetraacetate 0.4%, NaOH 1%, polyoxypropylene 0.2% and BTA 0.3% are joined in 41.4% water and stir, must strengthen grinding modification liquid;
2. the steel ball that by the grating of Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=3 ︰ 2 ︰ 1, diameter is respectively to the cast steel material that the Rockwell hardness of Φ 1mm, Φ 2mm and Φ 3mm is 65HRC mixes;
3. brown alundum powder is crossed to the sieve of different pore size;
4. 1. the brown alundum powder that 3. steel ball that 2. Gang Qiu ︰ Yan Mo Fen ︰ strengthening grinding modification liquid=4 ︰ 1 ︰ 1 mass ratio obtains step and step obtain joins step must strengthen in grinding modification liquid and mix, and is strengthened and grinds compound used;
Above-mentioned steps 3. described brown alundum powder particle diameter is following 5 kinds of schemes:
Scheme 1: brown alundum powder is crossed to 150 mesh sieves, after 280 mesh sieves, the brown alundum powder above collection screen;
Scheme 2: brown alundum powder is crossed to 280 mesh sieves, the brown alundum powder below collection screen;
Scheme 3: brown alundum powder is crossed to 150 mesh sieves, the brown alundum powder above collection screen;
Scheme 4: brown alundum powder is crossed to 100 mesh sieves, the brown alundum powder above collection screen;
Scheme 5: brown alundum powder is crossed to 340 mesh sieves, the brown alundum powder below collection screen.
(3) lappingout bearing ring channel
Method described in employing example 1 is strengthened attrition process, and the technological parameter of strengthening attrition process is: 1. the jet velocity of compound is 200m/s; 2. jet angle 60 is spent; 3. each bearing ring inner ring adopts respectively a kind of compound of particle diameter brown alundum powder to grind.
(4) Contrast on effect
After 5 bearing rings after strengthening is ground adopt supersonic wave cleaning machine to clean and dry, adopt respectively the indices on the described processed bearing ring of the apparatus measures surface of example 1 step (3), result is as shown in table 9 below.From table 9, when lappingout, the particle diameter of brown alundum powder is less than or equal to 150 orders, is more than or equal to 280 object effects best.
Effect comparison after table 9 grounds travel different-grain diameter lappingout
2, slightly grind
(1) antifriction alloy steel workpiece is 3Cr13 bearing ring inner ring, totally 5.
(2) preparation of compound
1. by weight percentage fatty acid imidazoline quinoline borate 23%, Sodium Benzoate 2%, sodium alkyl sulfonate 10%, triethanolamine 4%, AEO 2.5%, borax (chemistry sodium tetraborate by name) 2.5%, disodium ethylene diamine tetraacetate 0.3%, NaOH 1%, polyoxypropylene 0.1% and BTA 0.2% are joined in 54.4% water and stir, must strengthen grinding modification liquid;
2. the steel ball that by the grating of Φ 4mm ︰ Φ 5mm ︰ Φ 6mm ︰ Φ 7mm ︰ Φ 8mm=4 ︰ 3 ︰ 2 ︰ 1 ︰ 1, diameter is respectively to the bearing steel material that the Rockwell hardness of Φ 4mm, Φ 5mm, Φ 6mm, Φ 7mm and Φ 8mm is 65HRC mixes;
3. brown alundum powder is crossed to the sieve of different pore size;
4. 1. the brown alundum powder that 3. steel ball that 2. Gang Qiu ︰ Yan Mo Fen ︰ strengthening grinding modification liquid=4 ︰ 1 ︰ 2 mass ratioes obtain step and step obtain joins step must strengthen in grinding modification liquid and mix, and is strengthened and grinds compound used;
Above-mentioned steps 3. described brown alundum powder particle diameter is following 5 kinds of schemes:
Scheme 1: brown alundum powder is first crossed to 80 mesh sieves, after 120 mesh sieves, the brown alundum powder above collection screen;
Scheme 2: brown alundum powder is crossed to 120 mesh sieves, the brown alundum powder below collection screen;
Scheme 3: brown alundum powder is crossed to 80 mesh sieves, the brown alundum powder above collection screen;
Scheme 4: brown alundum powder is crossed to 50 mesh sieves, the brown alundum powder above collection screen;
Scheme 5: brown alundum powder is crossed to 160 mesh sieves, the brown alundum powder below collection screen.
(3) slightly grind bearing ring channel
Method described in employing example 2 is strengthened attrition process, and the technological parameter of strengthening attrition process is: 1. the jet velocity of compound is 175m/s; 2. jet angle 55 is spent; 3. each bearing ring inner ring adopts respectively a kind of compound of particle diameter brown alundum powder to grind.
(4) Contrast on effect
After 5 bearing rings after strengthening is ground adopt supersonic wave cleaning machine to clean and dry, adopt respectively the indices on the described processed bearing ring of the apparatus measures surface of example 1 step (3), result is as shown in table 10 below.From table 10, while slightly grinding, the particle diameter of brown alundum powder is less than or equal to 80 orders, is more than or equal to 120 object effects best.
Effect comparison after table 10 grounds travel different-grain diameter slightly grinds
The impact of modification liquid on grinding effect ground in the different strengthenings of example 8()
(1) antifriction alloy steel workpiece is 1Cr17Ni7 bearing ring inner ring, totally 5.
(2) preparation of compound
1. strengthening is ground modification liquid and is respectively following 5 kinds:
Scheme 1: by weight percentage acrylate copolymer 10%, Sodium Benzoate 2%, triethanolamine 20%, polyethylene 5%, polyoxypropylene 0.1% and BTA 0.3% are joined in 62.6% water and stir, obtain lapping liquid;
Scheme 2: by weight percentage isopropyl alcohol 12%, malonic acid 2%, trimethyl mono methoxy silane 0.5%, hydrogen peroxidase 10 .8%, triethanolamine 25% and BTA 0.3% are joined in 59.4% water and stir, obtain lapping liquid;
Scheme 3: by weight percentage propylene glycol monomethyl ether 12%, malonic acid 2%, polyacrylic acid 0.5%, hydrogen peroxidase 10 .8%, triethanolamine 25% and BTA 0.3% are joined in 59.4% water and stir, obtain lapping liquid;
Scheme 4: by weight percentage isopropyl alcohol 11%, azimido-toluene compound 3.5%, propylene glycol monopropyl ether 0.5%, polyacrylic acid 3%, hydrogen peroxidase 10 .8%, triethanolamine 23% and BTA 0.3% are joined in 46.1% water and stir, obtain lapping liquid;
Scheme 5～8: identical with above-mentioned example 1;
Scheme 9～12: identical with above-mentioned example 2;
2. the steel ball that by the grating of Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=3 ︰ 3 ︰ 1, diameter is respectively to the cast steel material that the Rockwell hardness of Φ 1mm, Φ 2mm and Φ 3mm is 65HRC mixes;
3. brown alundum powder is first crossed to 150 mesh sieves, after 280 mesh sieves, the brown alundum powder above collection screen;
4. the brown alundum powder that 3. steel ball that 2. Gang Qiu ︰ Yan Mo Fen ︰ lapping liquid=4 ︰ 1 ︰ 3 mass ratioes obtain step and step obtain joins step and 1. obtains in lapping liquid and mix, and is strengthened and grinds compound used.
(3) strengthening attrition process
Compound is packed in the compound storage device of strengthening grinder, again respectively by 4 bearing ring 2 clampings on the workbench 3 of described strengthening grinder, and be 45 degree by the angle a that makes the tangent line of any point on the shaft core line of nozzle 1 of described strengthening grinder and bearing ring 2 raceway grooves shown in Fig. 1, then start described strengthening grinder, compound is ejected in bearing ring 2 raceway grooves with 250m/s, meanwhile spray site moves relative to finished surface, makes spray site cover finished surface.
(4) Contrast on effect
After 4 bearing rings after strengthening is ground adopt supersonic wave cleaning machine to clean and dry, adopt respectively the indices on the described processed rear bearing ring raceways of the apparatus measures surface of step in example 1 (3), result is as shown in table 11 below.From table 11, the grinding effect of the strengthening grinding modification liquid of scheme 2 is best.
The effect comparison of table 11 different schemes lapping liquid lappingout
The comparison of friction of workpiece coefficient before and after example 9(strengthening attrition process)
Grind gained bearing ring and identical bearing ring to be processed, as fretting wear sample, and carries out friction-wear test as follows with it take example 1 strengthening.
(1) adopt benzinum to two bearings lasso ultrasonic cleaning 30min;
(2) by bearing ring clamping to be processed to SRV friction wear testing machine, couple adopts the cast steel ball that Rockwell hardness is 66HRC, starting friction abrasion tester carries out fretting wear to bearing ring channel, it is 25Hz that testing machine vibration frequency is set, amplitude is 1mm, load is 350N, and fraction time is 30min, at interval of the coefficient of friction of a material of 5 minutes records;
(3) take off step (2) gained fretting wear sample, the bearing ring clamping by strengthening after attrition process to SRV friction wear testing machine, repeating step (2).
Before and after the strengthening attrition process recording, the comparing result of each time point coefficient of friction of workpiece is as shown in table 13 below:
Table 12 is strengthened the comparison of attrition process front and back friction of workpiece coefficient
| Time/min | 0 | 5 | 10 | 15 | 20 | 25 | 30 |
| Before processing | 0.120 | 0.110 | 0.114 | 0.126 | 0.131 | 0.135 | 0.140 |
| After processing | 0.065 | 0.064 | 0.066 | 0.067 | 0.065 | 0.064 | 0.066 |
Claims (7)
1. the strengthening Ginding process of an antifriction alloy steel workpiece surface, the method is made up of following steps: compound is ejected on antifriction alloy steel workpiece surface with the speed of 100～300m/s and the jet angle of 15～75 °, and makes spray site cover antifriction alloy steel workpiece surface completely; Wherein, described compound grinds modification liquid=1 ︰ 1 ︰ 1～5 ︰ 1 ︰ 3 mass ratioes by Gang Qiu ︰ Yan Mo Fen ︰ strengthening steel ball, grounds travel and strengthening grinding modification liquid form; Wherein,
Described steel ball is that the diameter that hardness is greater than 62HRC is the cast steel ball of Φ 1～Φ 8mm or the steel ball of bearing steel;
Described grounds travel is that particle diameter is 80～280 object brown alundum powders;
Described strengthening is ground modification liquid and is made up of the raw material of following percentage by weight: EP agent 15～25%, anticorrisive agent 2～3%, bleeding agent 10～15%, pH adjusting agent 4～6%, non-ionic surface active agent 2～8%, pH buffer 2～5%, softening agent 0.3～0.8%, alkali 1%, defoamer 0.1～0.2%, antirust agent 0.2～0.5%, and all the other are water; Wherein, described EP agent is the one in fatty acid imidazoline quinoline borate, phosphate amine salt compound, trimethylphenyl borate and aliphatic acid diethanol phthalein amine borate; Described anticorrisive agent is the one in Sodium Benzoate, oneself two diluted acids, ethyl-para-hydroxybenzoate and p-hydroxybenzoic acid; Described bleeding agent is the one in sodium alkyl sulfonate, alkyl sulfate sodium, AEO and APES; Described pH adjusting agent is the one in triethanolamine, sodium hydrogen phosphate, sorbic acid and citric acid; Described non-ionic surface active agent is the one in AEO, APES, fatty acid polyethylene glycol ester and polyol ester APEO; Described pH buffer is the one in borax, amion acetic acid-hydrochloric acid, Potassium Hydrogen Phthalate-NaOH and acetate; Described softening agent is the one in disodium ethylene diamine tetraacetate, dioctadecyl dimethyl ammonium chloride, polyoxyethylene alkyl ether and sodium phosphate trimer; Described alkali is the one in NaOH, sodium carbonate, sodium acid carbonate and calcium hydroxide; Described defoamer is the one in polyoxypropylene, dimethyl silicone polymer, polyoxyethylene polyoxypropylene pentaerythrite ether and tributyl phosphate; Described antirust agent is the one in BTA, alkenyl succinic acid, fatty acid amine and sulfonic amine salt.
2. the strengthening Ginding process of a kind of antifriction alloy steel workpiece surface according to claim 1, it is characterized in that, described strengthening is ground modification liquid and is made up of the raw material of following percentage by weight: fatty acid imidazoline quinoline borate 15～25%, Sodium Benzoate 2～3%, sodium alkyl sulfonate 10～15%, triethanolamine 4～6%, AEO 2～8%, borax 2～5%, disodium ethylene diamine tetraacetate 0.3～0.8%, NaOH 1%, polyoxypropylene 0.1～0.2%, BTA 0.2～0.5%, all the other are water.
3. the strengthening Ginding process of a kind of antifriction alloy steel workpiece surface according to claim 1, it is characterized in that, described strengthening is ground modification liquid and is made up of the raw material of following percentage by weight: phosphate amine salt compound 15～25%, oneself two diluted acids 2～3%, alkyl sulfate sodium 10～15%, sodium hydrogen phosphate 4～6%, APES 2～8%, amion acetic acid-hydrochloric acid 2～5%, dioctadecyl dimethyl ammonium chloride 0.3～0.8%, sodium carbonate 1%, dimethyl silicone polymer 0.1～0.2%, alkenyl succinic acid 0.2～0.5%, all the other are water.
4. the strengthening Ginding process of a kind of antifriction alloy steel workpiece surface according to claim 1, it is characterized in that, described strengthening is ground modification liquid and is made up of the raw material of following percentage by weight: trimethylphenyl borate 15～25%, ethyl-para-hydroxybenzoate 2～3%, AEO 10～15%, sorbic acid 4～6%, fatty acid polyethylene glycol ester 2～8%, Potassium Hydrogen Phthalate-NaOH 2～5%, polyoxyethylene alkyl ether 0.3～0.8%, sodium acid carbonate 1%, polyoxyethylene polyoxypropylene pentaerythrite ether 0.1～0.2%, fatty acid amine 0.2～0.5%, all the other are water.
5. the strengthening Ginding process of a kind of antifriction alloy steel workpiece surface according to claim 1, it is characterized in that, described strengthening is ground modification liquid and is made up of the raw material of following percentage by weight: aliphatic acid diethanol phthalein amine borate 15～25%, p-hydroxybenzoic acid 2～3%, APES 10～15%, citric acid 4～6%, polyol ester APEO 2～8%, acetate 2～5%, sodium phosphate trimer 0.3～0.8%, calcium hydroxide 1%, tributyl phosphate 0.1～0.2%, sulfonic amine salt 0.2～0.5%, all the other are water.
6. according to the strengthening Ginding process of a kind of antifriction alloy steel workpiece surface one of claim 1～5 Suo Shu, it is characterized in that, the grating of described steel ball is Φ 1mm ︰ Φ 2mm ︰ Φ 3mm=1 ︰ 1 ︰ 1～4 ︰ 3 ︰ 1, and, the particle diameter of described grounds travel is less than or equal to 150 orders, is more than or equal to 280 orders.
7. according to the strengthening Ginding process of a kind of antifriction alloy steel workpiece surface one of claim 1～5 Suo Shu, it is characterized in that, the grating of described steel ball is Φ 4mm ︰ Φ 5mm ︰ Φ 6mm ︰ Φ 7mm ︰ Φ 8=1 ︰ 1 ︰ 1 ︰ 1 ︰ 1～5 ︰ 3 ︰ 3 ︰ 2 ︰ 1, and, the average grain diameter of described grounds travel is less than or equal to 80 orders, is more than or equal to 120 orders.
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| CN105127911A (en) * | 2015-07-08 | 2015-12-09 | 安徽三联泵业股份有限公司 | Nanometer meerschaum doped wet blasting sand material for pump body casting processing |
| CN105002339A (en) * | 2015-07-23 | 2015-10-28 | 柳州市众力金铭热处理有限公司 | Method for improving wear resistance of 65 Mn steel rod for quartz sand rod mill |
| RU2677908C1 (en) * | 2018-05-08 | 2019-01-22 | федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный авиационный технический университет" | Alloyed steel parts chemical-heat treatment method |
| CN109554659A (en) * | 2018-11-30 | 2019-04-02 | 广州大学 | A kind of water base reinforcing superfine processing method of the rich nitrogen on alloy workpiece surface and microstoning formula of liquid |
| CN109681532A (en) * | 2019-01-07 | 2019-04-26 | 广州大学 | A kind of combined machining method of roller bearing inner ring |
| CN110640635B (en) * | 2019-09-24 | 2020-12-08 | 广州大学 | Coating-writing type metal workpiece surface reinforced grinding processing method and equipment |
| CN110640635A (en) * | 2019-09-24 | 2020-01-03 | 广州大学 | Coating-writing type metal workpiece surface reinforced grinding processing method and equipment |
| CN110846484A (en) * | 2019-11-12 | 2020-02-28 | 广州大学 | Reinforced grinding equipment for processing bearing inner ring raceway |
| CN110846484B (en) * | 2019-11-12 | 2021-02-02 | 广州大学 | Reinforced grinding equipment for processing bearing inner ring raceway |
| CN111020252A (en) * | 2019-12-30 | 2020-04-17 | 绵阳市天铭机械有限公司 | Processing technology of aluminum alloy plate |
| CN111020252B (en) * | 2019-12-30 | 2021-02-02 | 绵阳市天铭机械有限公司 | Processing technology of aluminum alloy plate |
| CN112276141A (en) * | 2020-09-04 | 2021-01-29 | 广州锻造一厂股份有限公司 | Deep hole machining method for large-sized forged part |
| CN112961651A (en) * | 2021-02-06 | 2021-06-15 | 上海佘山精密轴承有限公司 | Oilstone grinding fluid and preparation method thereof |
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