CN109401820A - A kind of lubricant oil composite for industrial robot retarder - Google Patents
A kind of lubricant oil composite for industrial robot retarder Download PDFInfo
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- CN109401820A CN109401820A CN201710706960.3A CN201710706960A CN109401820A CN 109401820 A CN109401820 A CN 109401820A CN 201710706960 A CN201710706960 A CN 201710706960A CN 109401820 A CN109401820 A CN 109401820A
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- 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
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/141—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings monocarboxylic
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
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- C10M2207/288—Partial esters containing free carboxyl groups
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- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
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- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
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- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/108—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
- C10M2215/065—Phenyl-Naphthyl amines
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
- C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
- C10M2219/106—Thiadiazoles
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- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
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- C10M2223/04—Phosphate esters
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- 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
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- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
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- C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
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Abstract
A kind of lubricant oil composite for industrial robot retarder includes: 84.0~95.91wt% of polyalkylene glycol, 3~10wt% of seal compatibility modifier, 0.1~2.0wt% of extreme-pressure anti-friction additive, 0.01~1.0wt% of metal deactivator, 10~200 μ g/g of 0.05~1.0wt% of rust inhibitor, 0.5~3.0wt% of antioxidant and defoaming agent;Wherein, the polyalkylene glycol is the PO unit of the EO unit and 30%-50% using ethylene oxide and propylene oxide as the linear polymer of primary raw material, in the polymer including 50%-70%;The seal compatibility modifier is saturated polyol ester or dibasic acid esters.Above-mentioned lubricant oil composite has excellent viscosity temperature characteristic and cryogenic property, excellent oxidation stability, good extreme pressure anti-wear and resistance to rust and corrosion and anti-foaming, oil film can quickly be formed, operation temperature is reduced, it is energy-saving, improve the transmission efficiency of retarder, the abrasion between the flank of tooth is reduced, the lubricating requirement of multi-axis industrial robot's multi-stage speed reducer can be met.
Description
Technical field
The present invention relates to a kind of lubricant oil composite, especially a kind of lubricating oil for industrial robot multi-stage speed reducer
Composition belongs to technical field of lubricating oil.
Background technique
Industrial robot is mainly made of ontology, retarder, servo-system and the big component of controller four, wherein retarder
Be one of its core component, referred to as " joint of robot ", account for the one third of robot overall cost, play a motor,
The power that internal combustion engine etc. runs at high speed engages the gear wheel on output shaft by the pinion gear on input shaft to slow down and transmit more
The purpose of big torque.Its require transmission chain is short, small in size, power is big, light weight and it is easily controllable the features such as.
Industrial robot retarder special oil is to ensure that industrial robot Gear Transmission in Reducer working efficiency and extension subtract
The important lubriation material of fast device service life.In retarder, primarily serving prevents retarder tooth surface abrasion, reduces retarder vibration
It is dynamic, retarder kinematic accuracy is improved, the heat generated by retarder gear tooth friction, the isolation flank of tooth and air, moisture, dust are taken away
Contact, and the effects of avoid retarder from getting rusty, corrode.It facts have proved: if lubrication will correctly guarantee retarder positioning accurate
Degree is accurate and prolongs its service life, and making the actual motion service life is more than projected life;Conversely, just will appear initial failure and positioning
The reduction of precision.
With industrial robot retarder towards " miniaturization, lightweight, precise treatment, it is high-power, heavily loaded, high speed " direction
Develop, the gear drive working condition in retarder is also increasingly harsher.Such as, it is higher using temperature, it is higher load and
Pressure and longer part life.These require that its matched lubricating oil product has higher viscosity index (VI) and low temperature properties
Can, better wear resistance, bearing capacity and lower coefficient of friction, more preferably antioxygenic property and inhibit deposit ability
And more preferably antifoam property and longer Oil life.
The dedicated oil product of synthesis type PAG robot is because have more excellent high temperature lubricating, detergency and low temperature
Mobility has replaced traditional mineral type and PAO type product to be widely applied in industrial robot multi-stage speed reducer.Its scene
24000-48000 hours oil product drain periods, also significantly larger than traditional mineral type and PAO product 8000-12000 hours
Drain period.But as the polyethers PAG of polarity base oil, there is also many deficiencies, wherein low additive dissolubility and impression
Property, it is always one of the problem for restricting PAG product development.For PAG industrial robot special oil product development, each function adds
Add the adaptability and intermiscibility of agent Yu polyether oil PAG, choosing etc. of grinding of anti-foaming agent is all that the dedicated oil product of PAG type industrial robot is opened
The focus of attention in hair.In addition, do not have also unified robot specialized oil product standard or specification for following both at home and abroad at present, state
Outer company is to industrial robot retarder special oil technical know-how, and the formula technique of domestic robot special oil is also also in sky
It is white.
Summary of the invention
The purpose of the present invention is to provide a kind of lubricant oil composites for industrial robot retarder.
To achieve the above object, the present invention provides a kind of lubricant oil composite for industrial robot retarder, includes
Following components: 84.0~95.91wt% of polyalkylene glycol, 3~10wt% of seal compatibility modifier, extreme-pressure anti-friction additive
0.1~2.0wt%, 0.01~1.0wt% of metal deactivator, 0.05~1.0wt% of rust inhibitor, antioxidant 0.5
10~200 μ g/g of~3.0wt% and defoaming agent;
Wherein, the polyalkylene glycol is to be somebody's turn to do using ethylene oxide and propylene oxide as the linear polymer of primary raw material
Propylene oxide (PO) unit of ethylene oxide (EO) unit and 30%-50% in polymer including 50%-70%, preferably comprises
The polymer of 55%-60%EO unit;The seal compatibility modifier is saturated polyol ester or dibasic acid esters.
The polymer architecture is the water-soluble linear polyalkylene glycol without branch or esterification structure, compared to other water
Insoluble or oil-soluble polyalkylene glycol or EO unit number are lower than for the water soluble polyalkylene glycol of the ratio, have more
Excellent greasy property is especially shown above lower coefficient of friction and MTM traction coeficient.
Since adaptability of the polyalkylene glycol to sealing material is bad, especially neoprene, butadiene-styrene rubber etc..And in machine
In people's retarder, using lubricating oil as lubricant medium for lubricating grease, leakage problem is than more prominent, by adding
Saturated polyol ester or di esters seal compatibility modifier can alleviate the seal compatibility problem of oil product.
Further, the polyalkylene glycol is polyethylene oxide polypropylene oxide monobutyl base ether.
Further, the seal compatibility modifier is the season penta of the trimethylolpropane fatty acid ester of saturation, saturation
One of four alcohol fatty acid esters and adipic acid isomery ester are a variety of.
Further, the extreme-pressure anti-friction additive is trialkylphosphate, triaryl phosphate, trialkyl thiophosphoric acid
Ester, triaryl thiophosphate, isomery alkyl phenyl phosphate ester, phosphate arylamine salt, isostearic acid and heterocycle/phosphorous
Acid-mixed closes one of amine salt or a variety of.Isomery alkyl phenyl phosphate ester and heterocycle/phosphorous acid mixing amine salt not only have tradition
The characteristics such as the extreme pressure of phosphor-included additive, wear-resistant, antifriction also have both the anti-oxidant and metal passivation that traditional phosphor-included additive does not have
The effect of agent, and improve the big problem of traditional phosphor-included additive corrosivity.
Further, the metal deactivator is benzotriazole di-n-butylamine formaldehyde condensation products, the contracting of benzotriazole dioctylamine formaldehyde
Close one in object, thiadiazoles lauryl mercaptan hydrogen peroxide condensation product and thiadiazoles Stearyl mercaptan hydrogen peroxide condensation product
Kind is a variety of.
Further, the rust inhibitor be the amine salt of aliphatic phosphate ester, alkenyl succinic acid half ester, have it is two thio
One of amine salt, dinonyl naphthalene-carboxylic acid barium, acylsarcosine and imidazoles of the alkyl phosphoric acid of phosphoric acid derivatives are a variety of.
In rust-proof mechanism, antirust agent plays anti-rust action often through adsorbed film is formed with metal surface, particularly with
For traditional mineral oil, since base oil polarity is small, often the lower dosage of antirust agent can play anti-rust action well.
The base oil used in the present invention be EO unit number be greater than 50% polyalkylene glycol, molecular structure it is special
Property, cause it bigger than normal compared with polarity for conventional mineral oil and synthetic oil, there are competing in metal surface for this highly polar and antirust agent
Absorption is striven, in addition extreme pressure anti-wear additives also have competitive Adsorption with antirust agent, and is difficult antirust agent in metal surface shape
At adsorbed film, cause oil product rustless property bad.These antirust agent mentioned in the present invention and combination can be very good to reduce base
The polarity of plinth oil makes that adsorbed film can be formed with metal surface under its lesser dosage, passes through GB/T11143 rust prevention test A method
Index request.
Further, the antioxidant is 2,6- di-tert-butyl p-cresol, N- phenyl-α-naphthylamine, dialkyl group two
One of aniline and dialkyl dithio amino formate are a variety of.
Further, the defoaming agent is siloxanes, organosilicon acid esters, polyalkyl acrylate and polyethylene glycol stearoyl
One of ether is a variety of.
Further, the polyalkylene glycol is 100.0~1200.0mm in 40 DEG C of kinematic viscosity2/ s, preferably
For 100-220mm/s2。
Further, the extreme-pressure anti-friction additive be tricresyl phosphate, trithiophenyl phosphate, tributyl phosphate,
Tributyl thiophosphate, trioctyl phosphate, tri o cresyl thiophosphate monooctyl ester, diisooctyl phosphorodithioate, diisopropyl phosphate
Octadecylamine salt, isopropyl octyl phosphate octadecylamine salt, two isohesyl phosphate octadecylamine salt and diisooctyl phosphoric acid ester ten
One of eight amine salt are a variety of.
Further, the metal deactivator is benzotriazole, tolyl-triazole, methylbenzotrazole, tolyl-triazole
One of sodium and methylbenzotrazole sodium are a variety of.
Further, the antioxidant is or N- phenyl-α-naphthylamine and butyl octyl diphenylamines condensation product or N-
Phenyl-α-naphthylamine and butyl nonyl diphenylamine condensation product, N- phenyl-α-naphthylamine and dioctyl diphenylamine condensation product, N- phenyl-α-
Naphthylamines and dinonyldiphenylamine condensation product, second, n-butyl dithiocarbamate ester, di-n-octyl dithiocarbamate and
One of two dodecyl dithiocarbamates are a variety of.
Further, the defoaming agent is silicone surfactant and dimethyl silicone polymer.
Further, the viscosity grade of the lubricant oil composite is No. 150.
The beneficial effects of the present invention are: industrial robot gear reducer lube composition provided by the invention is a kind of performance
Industrial robot gear reducer lube composition excellent, technical difficulty is big, with strong points, it is excellent cryogenic property, wear-resistant
Damage performance, antirust, anti-corrosive performance, thermal stability and antifoam property can meet six axis multi-stage speed reducer power train of industrial robot
The lubricating requirement of system.Moreover, having higher viscosity index (VI), lower traction coeficient, more preferably compared with same kind of products at abroad
Wear resistence and thermal oxidation stability.And the production is at low cost, can produce good warp applied to industrial robot field
Benefit of helping and social benefit.
Detailed description of the invention
The coefficient of friction comparison of Fig. 1 lubricant oil composite and comparative example 1, comparative example 2.
The traction coeficient comparison of Fig. 2 lubricant oil composite and comparative example 1, comparative example 2.
Specific embodiment
Effect of the invention is further illustrated by the following examples.However, it should be understood that the following examples are not limitations
The scope of the present invention, any change without departing from present inventive concept and range, is within the scope of the present invention.
A kind of lubricant oil composite for industrial robot retarder includes following components: polyalkylene glycol 84.0
~95.91wt%, 3~10wt% of seal compatibility modifier, 0.1~2.0wt% of extreme-pressure anti-friction additive, metal deactivator
0.01~1.0wt%, 0.05~1.0wt% of rust inhibitor, 0.5~3.0wt% of antioxidant and defoaming agent 10~200
μg/g;
Wherein, the polyalkylene glycol is to be somebody's turn to do using ethylene oxide and propylene oxide as the linear polymer of primary raw material
The PO unit of EO unit and 30%-50% in polymer including 50%-70% preferably comprises the poly- of 55%-60%EO unit
Close object;The seal compatibility modifier is saturated polyol ester or dibasic acid esters.
The polymer architecture is the water-soluble linear polyalkylene glycol without branch or esterification structure, compared to other water
Insoluble or oil-soluble polyalkylene glycol or EO unit number are lower than for the water soluble polyalkylene glycol of the ratio, have more
Excellent greasy property is especially shown above lower coefficient of friction and MTM traction coeficient.
Since adaptability of the polyalkylene glycol to sealing material is bad, especially neoprene, butadiene-styrene rubber etc..And in machine
In people's retarder, using lubricating oil as lubricant medium for lubricating grease, leakage problem is than more prominent, by adding
Saturated polyol ester or di esters seal compatibility modifier can alleviate the seal compatibility problem of oil product.
Further, the polyalkylene glycol is polyethylene oxide polypropylene oxide monobutyl base ether.
Further, the seal compatibility modifier is the season penta of the trimethylolpropane fatty acid ester of saturation, saturation
One of four alcohol fatty acid esters and adipic acid isomery ester are a variety of.
Further, the extreme-pressure anti-friction additive is trialkylphosphate, triaryl phosphate, trialkyl thiophosphoric acid
Ester, triaryl thiophosphate, isomery alkyl phenyl phosphate ester, phosphate arylamine salt, isostearic acid and heterocycle/phosphorous
Acid-mixed closes one of amine salt or a variety of.Isomery alkyl phenyl phosphate ester and heterocycle/phosphorous acid mixing amine salt not only have tradition
The characteristics such as the extreme pressure of phosphor-included additive, wear-resistant, antifriction also have both the anti-oxidant and metal passivation that traditional phosphor-included additive does not have
The effect of agent, and improve the big problem of traditional phosphor-included additive corrosivity.
Further, the metal deactivator is benzotriazole di-n-butylamine formaldehyde condensation products, the contracting of benzotriazole dioctylamine formaldehyde
Close one in object, thiadiazoles lauryl mercaptan hydrogen peroxide condensation product and thiadiazoles Stearyl mercaptan hydrogen peroxide condensation product
Kind is a variety of.
Further, the rust inhibitor be the amine salt of aliphatic phosphate ester, alkenyl succinic acid half ester, have it is two thio
One of amine salt, dinonyl naphthalene-carboxylic acid barium, acylsarcosine and imidazoles of the alkyl phosphoric acid of phosphoric acid derivatives are a variety of.The present invention
The base oil of middle use is the polyalkylene glycol that EO unit number is greater than 50%, and the particularity of molecular structure causes it relatively to pass
Polarity is bigger than normal for system mineral oil and synthetic oil, in addition also there is competitive Adsorption with antirust agent in extreme pressure anti-wear additives, tradition
Common antirust agent cannot usually play a role in the polarity base oil, and these types of antirust agent can solve this
A little problems.
Further, the antioxidant is 2,6- di-tert-butyl p-cresol, N- phenyl-α-naphthylamine, dialkyl group two
One of condensation product and dialkyl dithio amino formate of aniline are a variety of.
Further, the defoaming agent is siloxanes, organosilicon acid esters, polyalkyl acrylate and polyethylene glycol stearoyl
One of ether is a variety of.
Further, the polyalkylene glycol is 100.0~1200.0mm in 40 DEG C of kinematic viscosity2/ s, preferably
For 100-220mm/s2。
Further, the extreme-pressure anti-friction additive be tricresyl phosphate, trithiophenyl phosphate, tributyl phosphate,
Tributyl thiophosphate, trioctyl phosphate, tri o cresyl thiophosphate monooctyl ester, diisooctyl phosphorodithioate, diisopropyl phosphate
Octadecylamine salt, isopropyl octyl phosphate octadecylamine salt, two isohesyl phosphate octadecylamine salt and diisooctyl phosphoric acid ester ten
One of eight amine salt are a variety of.
Further, the metal deactivator is benzotriazole, tolyl-triazole, methylbenzotrazole, tolyl-triazole
One of sodium and methylbenzotrazole sodium are a variety of.
Further, the antioxidant is or N- phenyl-α-naphthylamine and butyl octyl diphenylamines condensation product or N-
Phenyl-α-naphthylamine and butyl nonyl diphenylamine condensation product, N- phenyl-α-naphthylamine and dioctyl diphenylamine condensation product, N- phenyl-α-
Naphthylamines and dinonyldiphenylamine condensation product, second, n-butyl dithiocarbamate ester, di-n-octyl dithiocarbamate and
One of two dodecyl dithiocarbamates are a variety of.
Further, the defoaming agent is silicone surfactant and dimethyl silicone polymer.
Further, the viscosity grade of the lubricant oil composite is No. 150.
Industrial robot gear reducer lube composition provided by the invention can be prepared in accordance with the following methods: according to combination
One or more polyalkylene glycol are proportionally added into the stainless steel blending kettle of belt stirrer by the viscosity grade of object,
Secondly the desired amount of seal compatibility modifier in proportion, extreme-pressure anti-friction additive, metal deactivator, rust inhibitor, antioxygen
Change additive, defoaming agent are added sequentially in blending kettle, are warming up at 50~60 DEG C and are stirred 4 hours, until mixture homogeneous transparent.
Embodiment 1
Lubricant oil composite, it includes: the water soluble polyalkylene glycol base oil of the unit containing 60%EO of 93.58wt%
(component A);The isotridecanol adipate (component B) of 5.0wt%;0.50wt% tricresyl phosphate and 0.1wt% bis- are different pungent
Base phosphate octadecylamine salt (component C);The benzotriazole dioctylamine formaldehyde condensation products (component D) of 0.02wt%;0.20wt% isopropyl
Base isooctyl phosphoric acid ester lauryl amine salt (component E);0.40wt% 2, the dialkyl group of 6- di-tert-butyl p-cresol and 0.20wt%
Diphenylamines (component F);20 μ g/g siloxanes anti-foaming agents (component G).The sum of the above components are 100%wt%.
Embodiment 2
Lubricant oil composite, it includes: the water soluble polyalkylene glycol base oil of the unit containing 50%EO of 93.58wt%
(component A);The saturation pentaerythritol ester (component B) of 5.0wt%;0.30wt% tricresyl phosphate and 0.3wt% isopropyl three
Aryl phosphate ester (component C);The benzotriazole dioctylamine formaldehyde condensation products (component D) of 0.02wt%;0.20wt% laurylene base fourth
Diacid half esters (component E);0.40wt% 2, the dialkyl diphenylamine (component F) of 6- di-tert-butyl p-cresol and 0.20wt%;
20 μ g/g siloxanes anti-foaming agents (component G).The sum of the above components are 100%wt%.
Embodiment 3
Lubricant oil composite, it includes: the water soluble polyalkylene glycol base oil of the unit containing 60%EO of 93.68wt%
(component A);The pungent decylate (component B) of the trimethylolpropane of 5.0wt%;0.30wt% tricresyl phosphate and 0.2wt%'s
2,5- dimercaptothiodiazole phosphite ester amine salt (component C);The benzotriazole dioctylamine formaldehyde condensation products (component D) of 0.02wt%;
0.10wt% acylsarcosine and 0.10wt% imidazoles (component E);0.40wt% 2,6- di-tert-butyl p-cresol and 0.20wt%
Dialkyl diphenylamine (component F);20 μ g/g siloxanes anti-foaming agents (component G).The sum of the above components are 100%wt%.
Comparative example 1: for commercially available 150 product of collaboration Kyodo Yushi TMO.
Comparative example 2: for commercially available Castrol Optigear Synthetic RO150 product.
Lubricant oil composite embodiment 1, embodiment 2, embodiment 3 and comparative example 1, comparative example 2 main physicochemical property see
Table 1.
The main physicochemical property of 1 embodiment 1 of table, embodiment 2, embodiment 3 and comparative example 1, comparative example 2
Comparison
1 test result of table shows:
(1) in terms of viscosity temperature characteristic and cryogenic property: embodiment 1, embodiment 2, the oil viscosity index of embodiment 3 are big
In 200, and pour point is respectively less than -39 DEG C, shows that oil product has excellent viscosity temperature characteristic and cryogenic property.It ensure that oil product in high temperature
Under film strength and the flowability under low temperature.
(2) in terms of resistance to rust and corrosion: the copper corrosion of embodiment 1, embodiment 2, embodiment 3 is not more than 1 grade and liquid
Mutually corrosion A method is rustless as a result, showing oil product with excellent resistance to rust and corrosion.And the copper sheet of 1 oil product of comparative example is rotten
Corrosion can be poor, easily generates corrosion to cupric multimaterial component.
(3) in terms of antifoam property: embodiment 1, embodiment 2, the high/low temperature of embodiment 3 and comparative example 1, comparative example 2
Antifoam property illustrates that each oil product has excellent antifoam property, can inhibit the generation of oil product foam, guarantee oil no more than 50/0
Normal use of the product in retarder.
(4) in terms of extreme pressure anti-wear: the P of embodiment 3B、PD, ZMZ value be above other embodiments, show what it was used
2,5- this heterocycles of dimercaptothiodiazole phosphite ester amine salt/phosphorous acid mixing amine salt is for promoting oil product bearing capacity and extreme pressure
Aspect of performance is more excellent compared to other extreme pressure anti-wear additives.And other embodiments oil product is compared to comparative example 1 and comparative example 2,
Bearing capacity and extreme pressure property are also substantially suitable.
(5) in terms of oxidation stability: embodiment 1, embodiment 2, the rotary oxygen bomb value of embodiment 3 are all larger than 250min,
And it is higher than comparative example 1, comparative example 2, show that oil product has excellent Oxidation Stability, it is possible to provide the longer drain period.
The comparison of coefficient of friction and MTM traction coeficient
Other than conventional physico-chemical properties analysis, coefficient of friction, traction coeficient are also industrial robot retarder lubrication
One of the important indicator of oil.Wherein low coefficient of friction and low traction coefficient, can bring the promotion of retarder transmission efficiency, work
Make the decline of temperature, and reduces power output and energy consumption.
The coefficient of friction comparison of lubricant oil composite embodiment 1, embodiment 2, embodiment 3 and comparative example 1, comparative example 2, is shown in
Shown in Fig. 1.Measuring friction coefficient is carried out with reference to SH/T 0762-2005 method.
Fig. 1 is the comparison of four ball coefficient of frictions, and test result shows: firstly, comparative example 2 is as commercially available PAO type industry
Robot product, for other 4 kinds of PAG type products, coefficient of friction is higher.In other 4 kinds of PAG type oil products, embodiment 1
Coefficient of friction it is minimum, followed by embodiment 2 is embodiment 3 and comparative example 1 again, the reason is that selecting in example 3
Although heterocycle/phosphorous acid mixing amine salt has excellent extreme pressure property, in the coefficient of friction examination of characterization oil product wear resistence superiority and inferiority
It tests, to be slightly worse than using isopropyl triaryl phosphate and diisooctyl phosphoric acid ester octadecylamine salt as the product of antiwear additive.But it is total
For body, 3 embodiment products of the invention all have lower coefficient of friction compared to comparative example 1, comparative example 2, it is possible to provide
Better oiliness and abrasion resistance.
The MTM traction coeficient pair of lubricant oil composite embodiment 1, embodiment 2, embodiment 3 and comparative example 1, comparative example 2
Than as shown in Figure 2.Using the micro- traction force tester of MTM2 by measurement oil product traction coeficient in constant load, temperature and transmission
Than under, change with time situation.Experimental condition are as follows: 70 DEG C of test temperature, transmission ratio 50:1,35N load.
Fig. 2 is the comparison of MTM traction coeficient, and test result shows: MTM traction coeficient result and four ball coefficient of friction trend
It is almost the same.Comparative example 2 is used as commercially available PAO type industrial robot product, for other 4 kinds of PAG type products, traction
Coefficient highest, performance is slightly poor compared with PAG in terms of characterizing it for improving retarder efficiency.In other 4 kinds of PAG type oil products, embodiment 1
Traction coeficient it is minimum, followed by embodiment 2 is embodiment 3 and comparative example 1 again.In general, of the invention 3 implementation
Example product has lower traction coeficient, corresponding actual condition, it is possible to provide higher transmission compared to comparative example 1, comparative example 2
Efficiency, and reduce energy consumption.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
Various corresponding changes and modifications, but these corresponding changes and modifications can be made according to the present invention by knowing those skilled in the art
It all should belong to the protection scope of the claims in the present invention.
Claims (14)
1. a kind of lubricant oil composite for industrial robot retarder, which is characterized in that include following components: polyalkylene
84.0~95.91wt% of glycol, 3~10wt% of seal compatibility modifier, 0.1~2.0wt% of extreme-pressure anti-friction additive, metal
0.01~1.0wt% of passivator, 0.05~1.0wt% of rust inhibitor, 0.5~3.0wt% of antioxidant and defoaming agent
10~200 μ g/g;
Wherein, the polyalkylene glycol is the polymerization using ethylene oxide and propylene oxide as the linear polymer of primary raw material
The propylene oxide units of ethylene oxide unit and 30%-50% in object including 50%-70%;The seal compatibility modifier
For saturated polyol ester or dibasic acid esters.
2. the lubricant oil composite according to claim 1 for industrial robot retarder, which is characterized in that described poly-
Aklylene glycol is polyethylene oxide polypropylene oxide monobutyl base ether.
3. the lubricant oil composite according to claim 1 for industrial robot retarder, which is characterized in that described close
Envelope adaptive improvement agent is the pentaerythritol fatty ester and adipic acid isomery of the trimethylolpropane fatty acid ester of saturation, saturation
One of ester is a variety of.
4. the lubricant oil composite according to claim 1 for industrial robot retarder, which is characterized in that the pole
Pressure antiwear additive is trialkylphosphate, triaryl phosphate, trialkyl thiophosphate, triaryl thiophosphate, different
One of structure alkyl phenyl phosphate, phosphate arylamine salt, isostearic acid and heterocycle/phosphorous acid mixing amine salt is more
Kind.
5. the lubricant oil composite according to claim 1 for industrial robot retarder, which is characterized in that the gold
Category passivator is benzotriazole di-n-butylamine formaldehyde condensation products, benzotriazole dioctylamine formaldehyde condensation products, thiadiazoles lauryl mercaptan
One of hydrogen peroxide condensation product and thiadiazoles Stearyl mercaptan hydrogen peroxide condensation product are a variety of.
6. the lubricant oil composite according to claim 1 for industrial robot retarder, which is characterized in that described anti-
Rust corrosion inhibiter is the amine salt of aliphatic phosphate ester, alkenyl succinic acid half ester, the alkyl phosphoric acid for having dithiophosphoric acid derivative
One of amine salt, dinonyl naphthalene-carboxylic acid barium, acylsarcosine and imidazoles are a variety of.
7. the lubricant oil composite according to claim 1 for industrial robot retarder, which is characterized in that described anti-
Oxidation additive is 2,6- di-tert-butyl p-cresol, N- phenyl-α-naphthylamine, dialkyl diphenylamine and dialkyl dithio amino first
One of acid esters is a variety of.
8. the lubricant oil composite according to claim 1 for industrial robot retarder, which is characterized in that described to disappear
Infusion is one of siloxanes, organosilicon acid esters, polyalkyl acrylate and polyethylene glycol stearoyl ether or a variety of.
9. the lubricant oil composite according to claim 1 or 2 for industrial robot retarder, which is characterized in that institute
The kinematic viscosity that polyalkylene glycol is stated at 40 DEG C is 100.0~1200.0mm2/s。
10. the lubricant oil composite according to claim 1 or 4 for industrial robot retarder, which is characterized in that institute
Stating extreme-pressure anti-friction additive is tricresyl phosphate, trithiophenyl phosphate, tributyl phosphate, tributyl thiophosphate, phosphoric acid
Three monooctyl esters, tri o cresyl thiophosphate monooctyl ester, diisooctyl phosphorodithioate, diisopropyl phosphate octadecylamine salt, isopropyl are pungent
One of base phosphate octadecylamine salt, two isohesyl phosphate octadecylamine salt and diisooctyl phosphoric acid ester octadecylamine salt are more
Kind.
11. being used for the lubricant oil composite of industrial robot retarder according to claim 1 or 5, which is characterized in that institute
Stating metal deactivator is in benzotriazole, tolyl-triazole, methylbenzotrazole, tolyl-triazole sodium and methylbenzotrazole sodium
It is one or more.
12. the lubricant oil composite according to claim 1 or claim 7 for industrial robot retarder, which is characterized in that institute
Stating antioxidant is or N- phenyl-α-naphthylamine and butyl octyl diphenylamines condensation product or N- phenyl-α-naphthylamine and butyl nonyl
Base diphenylamines condensation product, N- phenyl-α-naphthylamine and dioctyl diphenylamine condensation product, N- phenyl-α-naphthylamine and dinonyldiphenylamine
Condensation product, second, n-butyl dithiocarbamate ester, di-n-octyl dithiocarbamate and two dodecyls two are thio
One of carbamate is a variety of.
13. the lubricant oil composite according to claim 1 or claim 7 for industrial robot retarder, which is characterized in that institute
Stating defoaming agent is silicone surfactant and dimethyl silicone polymer.
14. the lubricant oil composite according to claim 1 for industrial robot retarder, which is characterized in that described
The viscosity grade of lubricant oil composite is No. 150.
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