CN106010750A - Isostatic press oil for sinter molding of rare earth magnet steel, and preparation method of isostatic press oil - Google Patents

Isostatic press oil for sinter molding of rare earth magnet steel, and preparation method of isostatic press oil Download PDF

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Publication number
CN106010750A
CN106010750A CN201610340519.3A CN201610340519A CN106010750A CN 106010750 A CN106010750 A CN 106010750A CN 201610340519 A CN201610340519 A CN 201610340519A CN 106010750 A CN106010750 A CN 106010750A
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oil
mentioned
rare earth
isostatic press
sinter molding
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赵小军
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Zhejiang Mould Petrochemical Co Ltd
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Zhejiang Mould Petrochemical Co Ltd
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Priority to CN201610340519.3A priority Critical patent/CN106010750A/en
Publication of CN106010750A publication Critical patent/CN106010750A/en
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/045—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/08—Inorganic acids or salts thereof
    • C10M2201/082—Inorganic acids or salts thereof containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/087—Boron oxides, acids or salts
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    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/287—Partial esters
    • C10M2207/289—Partial esters containing free hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/221—Six-membered rings containing nitrogen and carbon only
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/045—Metal containing thio derivatives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/02—Esters of silicic acids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/06—Organic compounds derived from inorganic acids or metal salts
    • C10M2227/061—Esters derived from boron
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/02—Unspecified siloxanes; Silicones
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2290/00—Mixtures of base materials or thickeners or additives
    • C10M2290/02—Mineral base oils; Mixtures of fractions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2290/00—Mixtures of base materials or thickeners or additives
    • C10M2290/04—Synthetic base oils
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/04—Detergent property or dispersant property

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)

Abstract

The invention discloses isostatic press oil for sinter molding of rare earth magnet steel. The isostatic press oil is colorless and odorless transparent liquid and has the characteristics of being low in viscosity, good in fluidity, high in viscosity index and the like; the isostatic press oil is capable of evenly passing pressure, and products processed by using the isostatic press oil are easy to clean; a flow promoting agent adopting triethanolamine oleate as a main material is added into the isostatic press oil, and the flow promoting agent has good dispersity and fluidity, is fine, smooth and soft in material texture and has good stability, so that the viscosity of the oil is well reduced, and the fluidity of the oil is improved. Furthermore, gel prepared by taking ethyl orthosilicate as a silicon source is added into the isostatic press oil, and the gel is capable of effectively promoting the dispersity of all raw materials and further adjusting the viscosity of the finished product oil at the same time, so that the stability of the finished product oil is improved.

Description

A kind of isostatic pressed oil for rare earth magnetic steel sinter molding and preparation method thereof
Technical field
The invention mainly relates to isostatic pressed oil field, particularly relate to a kind of for rare earth magnetic steel sinter molding etc. quiet Force feed and preparation method thereof.
Background technology
Owing to isostatic pressing machine oil is relatively fewer on market, corresponding isostatic pressing machine special oil does not the most occur.Greatly Most users uses antiwear hydraulic oil, kerosene product as an alternative, the general 80-90 of antiwear hydraulic oil of this kind Mineral oil, the antiwear recombiner of 1-3, the antioxidant of 0.5, the defoamer composition of 0.03-0.3, and traditional Isostatic pressing machine oil color is deep, taste is big, viscosity is big, poor fluidity, viscosity index (VI) are low, process Product difficulty in the cleaning of postorder is relatively big, and the reason causing this phenomenon is the caused (face such as base oil, additive Color, abnormal smells from the patient).Other antiwear hydraulic oil not isostatic pressed special oil, does not has isostatic pressed oil to be applicable to isostatic pressed Some advantages on machine.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of for rare earth magnetic steel sinter molding Isostatic pressed oil and preparation method thereof, the good easy cleaning of isostatic pressed oil mobility of the present invention, pressure transmission is equal The even blank pressed density concordance that improves, and oil product physicochemical properties are stable, and response rate height reduces waste.
The present invention is achieved by the following technical solutions:
A kind of isostatic pressed for rare earth magnetic steel sinter molding is oily, and it is made up of the raw material of following weight parts:
White mineral oil 90-95, hydrogenated base oil 4-6,8-hydroxyquinoline 0.01-0.02, antiwear additive 3-5, anti-bubble Agent 0.03-0.1, antioxidant 0.4-0.6, triisopropyl borate ester 1-2, flow promortor 2-3, boric acid 0.04-0.07, Tetraethyl orthosilicate 0.1-0.2, sp-80 0.04-0.06.
Wherein, described antiwear additive is zinc dialkyl dithiophosphate.Described anti-foaming agent is organosiloxane. Described antioxidant is DBPC 2,6 ditertiary butyl p cresol.
Wherein, described flow promortor is made up of the raw material of following weight parts: triethanolamine oleate 7.5-8, Ammonium molybdate 0.1-0.2, stearic acid potash soap 2-3, dehydrated alcohol 0.6-1；
The preparation method of described flow promortor comprises the following steps:
By above-mentioned dehydrated alcohol, triethanolamine oleate mixing, stir, add stearic acid potash soap, send into In the water-bath of 60-70 DEG C, insulated and stirred 10-13 minute, discharging, add above-mentioned ammonium molybdate, stir, Ethanol is distilled off, to obtain final product.
The preparation method of a kind of isostatic pressed oil for rare earth magnetic steel sinter molding, comprises the following steps:
(1) above-mentioned 8-hydroxyquinoline is joined in the dehydrated alcohol of its weight 20-27 times, stirring and dissolving；
(2) 18-20% of the 30-40% and above-mentioned white mineral oil weight that take above-mentioned sp-80 weight mixes, stirring Uniformly, add triisopropyl borate ester, insulated and stirred 3-5 minute at 60-79 DEG C, add above-mentioned boric acid, stir Mix to room temperature, obtain white mineral oil emulsion；
(3) above-mentioned tetraethyl orthosilicate is joined in the deionized water of its weight 28-30 times, under stirring condition The ethanol solution of the 8-hydroxyquinoline that dropping above-mentioned steps (1) obtains, rising high-temperature after dropping is 50-60 DEG C, dropping concentration is the ammonia spirit of 10-15%, and regulation pH is 10-13, insulation reaction 30-40 Minute, mixing with above-mentioned white mineral oil emulsion, 600-1000 rev/min is stirred 2-4 minute, and dehydration obtains pretreatment Base oil；
(4) above-mentioned pretreatment base oil is mixed with remaining each raw material, stirring 1-2 hour at 50-60 DEG C, i.e. Obtain described isostatic pressed oil.
The invention have the advantage that
The product of the present invention is the transparency liquid of colorless and odorless, and the features such as viscosity is little, good fluidity can uniformly pass Pass pressure, it is ensured that the even density concordance of isostatic pressing goods.
Oil Recovery rate exceeds normal hydraulic oil 50%, reduces oil product waste.
Workpiece product is readily cleaned, and using triethanolamine oleate in the flow promortor wherein added is major ingredient, it Having good dispersibility and mobility, material matter exquisiteness is soft, and good stability can well reduce oil body Viscosity, strengthens mobility, and the present invention is also added into the gel prepared with tetraethyl orthosilicate for silicon source, and this gel can To be effectively promoted the dispersibility between each raw material, regulation finished product oil viscosity the most further, improves product oil Stability.
Detailed description of the invention
Embodiment 1
A kind of isostatic pressed for rare earth magnetic steel sinter molding is oily, and it is made up of the raw material of following weight parts:
White mineral oil 95, hydrogenated base oil 4,8-hydroxyquinoline 0.02, antiwear additive 3, anti-foaming agent 0.03, antioxygen Agent 0.4, triisopropyl borate ester 1, flow promortor 2-3, boric acid 0.07, tetraethyl orthosilicate 0.2, sp-80 0.06.
Wherein, described antiwear additive is zinc dialkyl dithiophosphate.Described anti-foaming agent is organosiloxane. Described antioxidant is DBPC 2,6 ditertiary butyl p cresol.
Wherein, described flow promortor is made up of the raw material of following weight parts: triethanolamine oleate 7.5, Ammonium molybdate 0.2, stearic acid potash soap 2, dehydrated alcohol 0.6；
The preparation method of described flow promortor comprises the following steps:
By above-mentioned dehydrated alcohol, triethanolamine oleate mixing, stir, add stearic acid potash soap, send into In the water-bath of 70 DEG C, insulated and stirred 13 minutes, discharging, add above-mentioned ammonium molybdate, stir, distillation removes Remove ethanol, to obtain final product.
The preparation method of a kind of isostatic pressed oil for rare earth magnetic steel sinter molding, comprises the following steps:
(1) above-mentioned 8-hydroxyquinoline is joined in the dehydrated alcohol of its weight 20 times, stirring and dissolving；
(2) take the 30% of above-mentioned sp-80 weight to mix with the 20% of above-mentioned white mineral oil weight, stir, Add triisopropyl borate ester, insulated and stirred 5 minutes at 79 DEG C, add above-mentioned boric acid, stir to room temperature, Obtain white mineral oil emulsion；
(3) above-mentioned tetraethyl orthosilicate is joined in the deionized water of its weight 28 times, drip under stirring condition The ethanol solution of the 8-hydroxyquinoline that above-mentioned steps (1) obtains, rising high-temperature after dropping is 60 DEG C, drips Adding the ammonia spirit that concentration is 15%, regulation pH is 13, and insulation reaction 40 minutes, with above-mentioned white mineral oil emulsion Mixing, 1000 revs/min are stirred 2 minutes, and dehydration obtains pretreatment base oil；
(4) above-mentioned pretreatment base oil is mixed with remaining each raw material, stir 2 hours at 60 DEG C, obtain institute State isostatic pressed oil.
Embodiment 2
A kind of isostatic pressed for rare earth magnetic steel sinter molding is oily, and it is made up of the raw material of following weight parts:
White mineral oil 90, hydrogenated base oil 6,8-hydroxyquinoline 0.01, antiwear additive 5, anti-foaming agent 0.01, antioxygen Agent 0.6, triisopropyl borate ester 2, flow promortor 2-3, boric acid 0.04, tetraethyl orthosilicate 0.1, sp-80 0.04.
Wherein, described antiwear additive is zinc dialkyl dithiophosphate.Described anti-foaming agent is organosiloxane. Described antioxidant is DBPC 2,6 ditertiary butyl p cresol.
Wherein, described flow promortor is made up of the raw material of following weight parts: triethanolamine oleate 8, molybdenum Acid ammonium 0.1, stearic acid potash soap 3, dehydrated alcohol 1；
The preparation method of described flow promortor comprises the following steps:
By above-mentioned dehydrated alcohol, triethanolamine oleate mixing, stir, add stearic acid potash soap, send into In the water-bath of 60 DEG C, insulated and stirred 13 minutes, discharging, add above-mentioned ammonium molybdate, stir, distillation removes Remove ethanol, to obtain final product.
The preparation method of a kind of isostatic pressed oil for rare earth magnetic steel sinter molding, comprises the following steps:
(1) above-mentioned 8-hydroxyquinoline is joined in the dehydrated alcohol of its weight 20 times, stirring and dissolving；
(2) take the 30% of above-mentioned sp-80 weight to mix with the 20% of above-mentioned white mineral oil weight, stir, Add triisopropyl borate ester, insulated and stirred 5 minutes at 79 DEG C, add above-mentioned boric acid, stir to room temperature, Obtain white mineral oil emulsion；
(3) above-mentioned tetraethyl orthosilicate is joined in the deionized water of its weight 28 times, drip under stirring condition The ethanol solution of the 8-hydroxyquinoline that above-mentioned steps (1) obtains, rising high-temperature after dropping is 60 DEG C, drips Adding the ammonia spirit that concentration is 15%, regulation pH is 13, and insulation reaction 40 minutes, with above-mentioned white mineral oil emulsion Mixing, 1000 revs/min are stirred 2 minutes, and dehydration obtains pretreatment base oil；
(4) above-mentioned pretreatment base oil is mixed with remaining each raw material, stir 2 hours at 60 DEG C, obtain institute State isostatic pressed oil.
The isostatic pressed oil performance test of the present invention:
Experiment test example:
Experimental facilities: Taiyuan letter machinery certain type isostatic pressing machine two；Device parameter: the effective internal diameter of high pressure chest 200mm, high pressure chest effective depth 300mm, maximum functional pressure: 100-400Mpa, installed power: 9KW.
Experimental technique: two homotype isostatic pressing machines are selected respectively isostatic pressed oil and the wear-resistant hydraulic pressure of routine of the present invention Oil, as isostatic pressed medium, records each loss, viscosity and viscosity index (VI), product table after certain time uses Face oxidisability and compactness Testing index.
Experiment purpose: obtained the isostatic pressed oil of the present invention and the property of conventional isostatic pressed medium by experimental data contrast Can difference.
Experimental result:
Record entry The isostatic pressed oil of the present invention Antiwear hydraulic oil
Service life 13140 6000
Viscosity 20 48
Viscosity index (VI) 110 90
Product quality Qualified Qualified
Experiment conclusion: by same brand same specification isostatic pressing machine, at same machined parameters, same material, same Big small workpiece, same process time, under conditions of six of same cooling filtering device are identical, according to 2880 Hour use, according to the change of every 480 fuel tank liquid level height of hour record, at contrast " record Underscore reduces data ", obtain 3 groups or 6 groups of data, by the contrast of size of data, simply draw etc. quiet The service wear amount of force feed, can extrapolate the service life of the present invention and antiwear hydraulic oil, ties from above-mentioned experiment Really surface, the isostatic pressed oil of the present invention and antiwear hydraulic oil are to product quality (surface oxidation and compactness index) Difference is little, all can meet demand, but combine knowable to viscosity and viscosity index (VI) record, the isostatic pressed of the present invention Oil viscosity after a long time use is the least, can again recycle, and conventional antiwear hydraulic oil is along with viscous Degree becomes big, and loss becomes big therewith, and isostatic pressed can not uniformly transfer simultaneously, thus is difficult to recycle.So card Bright, the oil loss of the present invention is less, and the response rate, than Normal hydraulic innage 50%, reduces oil product waste, flowing Property the feature such as good, pressure can be uniformly transferred, it is ensured that the even density concordance of isostatic pressing goods.

Claims (6)

1. the isostatic pressed oil for rare earth magnetic steel sinter molding, it is characterised in that it is by following weight The raw material composition of part:
White mineral oil 90-95, hydrogenated base oil 4-6,8-hydroxyquinoline 0.01-0.02, antiwear additive 3-5, anti-bubble Agent 0.03-0.1, antioxidant 0.4-0.6, triisopropyl borate ester 1-2, flow promortor 2-3, boric acid 0.04-0.07, Tetraethyl orthosilicate 0.1-0.2, sp-80 0.04-0.06.
2. the isostatic pressed oil being used for rare earth magnetic steel sinter molding as claimed in claim 1, its feature exists In, described antiwear additive is zinc dialkyl dithiophosphate.
3. the isostatic pressed oil being used for rare earth magnetic steel sinter molding as claimed in claim 1, its feature exists In, described anti-foaming agent is organosiloxane.
4. the isostatic pressed oil being used for rare earth magnetic steel sinter molding as claimed in claim 1, its feature exists In, described antioxidant is 2,6 ditertiary butyl p cresol.
5. the isostatic pressed oil being used for rare earth magnetic steel sinter molding as claimed in claim 1, its feature exists In, described flow promortor is made up of the raw material of following weight parts:
Triethanolamine oleate 7.5-8, ammonium molybdate 0.1-0.2, stearic acid potash soap 2-3, dehydrated alcohol 0.6-1；
The preparation method of described flow promortor comprises the following steps:
By above-mentioned dehydrated alcohol, triethanolamine oleate mixing, stir, add stearic acid potash soap, send into In the water-bath of 60-70 DEG C, insulated and stirred 10-13 minute, discharging, add above-mentioned ammonium molybdate, stir, Ethanol is distilled off, to obtain final product.
6. a preparation method for the isostatic pressed oil for rare earth magnetic steel sinter molding as claimed in claim 1, It is characterized in that, comprise the following steps:
(1) above-mentioned 8-hydroxyquinoline is joined in the dehydrated alcohol of its weight 20-27 times, stirring and dissolving；
(2) 18-20% of the 30-40% and above-mentioned white mineral oil weight that take above-mentioned sp-80 weight mixes, stirring Uniformly, add triisopropyl borate ester, insulated and stirred 3-5 minute at 60-79 DEG C, add above-mentioned boric acid, stir Mix to room temperature, obtain white mineral oil emulsion；
(3) above-mentioned tetraethyl orthosilicate is joined in the deionized water of its weight 28-30 times, under stirring condition The ethanol solution of the 8-hydroxyquinoline that dropping above-mentioned steps (1) obtains, rising high-temperature after dropping is 50-60 DEG C, dropping concentration is the ammonia spirit of 10-15%, and regulation pH is 10-13, insulation reaction 30-40 Minute, mixing with above-mentioned white mineral oil emulsion, 600-1000 rev/min is stirred 2-4 minute, and dehydration obtains pretreatment Base oil；
(4) above-mentioned pretreatment base oil is mixed with remaining each raw material, stirring 1-2 hour at 50-60 DEG C, i.e. Obtain described isostatic pressed oil.
CN201610340519.3A 2016-05-20 2016-05-20 Isostatic press oil for sinter molding of rare earth magnet steel, and preparation method of isostatic press oil Pending CN106010750A (en)

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