CN109810745A - Industrial robot harmonic wave speed reducing machine special grease and preparation method thereof - Google Patents
Industrial robot harmonic wave speed reducing machine special grease and preparation method thereof Download PDFInfo
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- CN109810745A CN109810745A CN201910090323.7A CN201910090323A CN109810745A CN 109810745 A CN109810745 A CN 109810745A CN 201910090323 A CN201910090323 A CN 201910090323A CN 109810745 A CN109810745 A CN 109810745A
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Abstract
The present invention provides a kind of industrial robot harmonic wave speed reducing machine special greases and preparation method thereof, and the lubricating grease is grouped as by the group of following portions by weight: 75~90 parts of synthetic base oil；3~8 parts of non-metallic soap thickening agent；8~20 parts of tackifier；0.5~3 part of initiator；3~10 parts of multipurpose additive；1~5 part of extreme pressure anti-wear additives；0.5~1.5 part of antirust agent, a wide warm long-life lubricating grease is prepared through special process.The present invention makes up prior art blank, and remarkable advantage is: high temperature performance is splendid, and use scope is wide, and Applicable temperature is -50~150 DEG C；Minimum low temperature torque；Good anti-acoustic capability；Excellent extreme pressure and antiwear behavior and fretting wear resistance property；In the service life for effectively extending harmonic wave speed reducing machine and robot, guarantee operation precision, reduces equipment failure rate.
Description
Technical field
The present invention relates to technical field of lubricating grease, in particular to a kind of industrial robot harmonic wave speed reducing machine special grease and
Preparation method.
Background technique
Under " made in China 2025 " national policy, Chinese manufacturing transition and upgrade and industrial automation development trend
Under, increasing rapidly for Chinese industrial robot has pushed harmonic speed reducer rush of demand.
Currently, still based on import brand, harmonic speed reducer rises at home for China's harmonic speed reducer and just dress lubricating grease
It walks later, there is now the professional production producer to form producing in serial form, which has formulated national standard.And harmonic speed reducer is special
Rarely having research, especially non-metallic soap thickening agent product with lubricating grease is even more blank.The price of import brand lubricating grease is relatively more high
It is expensive, to increase maintenance and the replacement cost of retarder.In addition, harmonic speed reducer control industrial robot force production and
Homework precision, performance quality directly affect the performance of industrial robot, the lubricating grease haveing excellent performance to industrial robot extremely
It is important.
To solve the above problems, being directed to the exclusive lubrication feature of harmonic reducer of robot, a harmonic wave speed reducing machine is developed
Lubricant agent special guarantees homework precision, reduces equipment fault, saves maintenance and repair expense, reduces the dependence to foreign brand name.
Summary of the invention
In order to solve the problems, such as described in background technique, the present invention provides a kind of industrial robot harmonic wave speed reducing machine Special lubricating
Rouge and preparation method thereof, innovation are that base oil is multiple using polyalphaolefin, natural gas synthetic oil and ether, synthetic ester lubricant
Match, using the organic urea of non-metallic soap as thickening agent, compatibility multifunction additive is modulated through special process.Its main feature is that: height
Temperature is had excellent performance, and use scope is wide, and Applicable temperature is -50~150 DEG C；Minimum low temperature torque, good anti-acoustic capability；It is excellent
Extreme pressure and antiwear behavior and fretting wear resistance property；The service life for effectively extending harmonic wave speed reducing machine and robot is that a wide temperature is long
Service life lubricating grease.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
A kind of industrial robot harmonic wave speed reducing machine special grease, is grouped as by the group of following portions by weight:
Synthetic base oil: 75~90 parts；
Non-metallic soap thickening agent: 3~8 parts；
Tackifier: 8~20 parts；
Initiator: 0.5~3 part；
Multipurpose additive: 3~10 parts；
Extreme pressure anti-wear additives: 1~5 part；
Antirust agent: 0.5~1.5 part.
The synthetic base oil be polyalphaolefin, natural gas synthetic oil, synthesizing ester oil, two kinds in the insoluble polyethers of water or
The miscella of two or more compositions is fully synthetic base oil；After tackifier improve 40 DEG C of kinematic viscosity of mixture be 55~
60mm2/ s, viscosity index (VI) are 210~220, and density is 0.85~0.86g/cm3；
The poly- a alkene selects one or both of low viscosity grade PAO2, PAO4, PAO6；The natural gas
Synthetic oil is G4, G8；The synthesizing ester oil is trimethylolpropane saturated ester, monopentaerythritol saturated ester, trimellitic acid
One of ester；The water-insoluble polyethers is ethylene oxide homo.
The tackifier are polymethacrylates PMA type high molecular materials.
The non-metallic soap thickening agent is polymer made of isocyanates is reacted with fatty amine, aromatic amine.
The initiator is 1,4- diaza-bicyclo octane, [5,4,0]-ten one carbon -7- ene compound of 1,8- diaza-bicyclo
One of.
The multipurpose additive is the mixture of thiophosphoric acid zinc salt and thiocarbamic acid molybdenum salt；
The thiophosphoric acid zinc salt is two (normal-butyl iso-octyl) zinc dithiophosphate T202, the double octyl Alkaline Zincs of sulphur phosphorus
One of salt T203.
The thiocarbamic acid molybdenum salt is thio dibutyl dithiocaarbamate molybdenum.
The extreme pressure anti-wear additives are one of olefine sulfide, tricresyl phosphate, triphenyl phosphate.
The antirust agent is that organic amine and one of sulfonate, naphthenate are used in combination.
The preparation method of the industrial robot harmonic wave speed reducing machine special grease, the specific process steps are as follows:
1) reconciliation is heated in reaction kettle A uniformly with whole base oil and tackifier；
2) it is added in reaction kettle B with 1/2 above-mentioned ready-mixed oil, 70-80 DEG C of dissolved fat amine, aromatic amine；
3) remaining ready-mixed oil dissolves isocyanates at 50-60 DEG C in reaction kettle A；
4) until completely dissolved, step 2), 3) lysate is through secondary filter；
5) fatty amine, fragrant amine solution are slowly added into isocyanates lysate, and initiator 80-100 is added
Reaction 10-30min is carried out at DEG C；
6) 150-200 DEG C of high temperature refining 30-90min is risen to after the reaction was completed；
7) multipurpose additive, extreme pressure anti-wear additives, antirust agent are sequentially added through 80-90 DEG C of cooling again, grinding is melted into rouge.
Compared with prior art, the beneficial effects of the present invention are:
The present invention provides a wide warm long-life industrial robot harmonic wave speed reducing machine special grease, makes up prior art sky
It is white.Using fully synthetic base oil and organic urea thickening agent, compatibility multifunction additive is modulated through special process, excellent
Property is expressed as follows:
1, fully synthetic base oil is to be compounded by polyalphaolefin, natural gas synthetic oil with ether, synthetic ester lubricant.Natural gas synthesis
Oily comprehensive performance matches in excellence or beauty poly- a alkene, and from a wealth of sources, price has more advantage.Ether, synthetic ester lubricant are introduced, is had because its is intermolecular
Highly polar be easily adsorbed on rubbing surface forms oil film, increases oil film thickness and improves lubricity.This miscella is to nonsoap thickener
Fiber and additive have good compatibility.High temperature performance is excellent, and long service life, application range is wide, and Applicable temperature is -50
~150 DEG C, there is minimum low temperature torque at -40 DEG C.
2, non-metallic soap thickening agent is polymer made of isocyanates is reacted with fatty amine, aromatic amine.Non-metallic soap
The selection of organic urea thickening agent, the distinguishing feature for being different from metallic soap thickening agent be, in thickening agent crystallization without containing metal from
Son, fiber stiffness is smaller, and noise performance is preferable.In addition, in addition to thickening agent itself does not contain the metal ion of catalysed oxidn,
It is even more a kind of excellent polyphenoils that it, which contains abundant nitrogen oxygen atom, effectively delays oxidation life.
3, tackifier are polymethacrylates PMA type high molecular materials.Viscosity index (VI) improvement effect is obvious, glues under low temperature
It spends small.Improve the viscosity temperature characteristic of base oil, improves lubricating grease to the adhesive force of metal, lubricating grease is made to be easier to be retained in friction table
On face.
4, multipurpose additive and extreme pressure anti-wear additives are used in compounding, and raising carries, is wear-resistant, anti-fretting wear and noise reduction are protected.
The present invention has high temperature performance splendid, and use scope is wide, and Applicable temperature is -50~150 DEG C；With minimum low
Warm torque；Good anti-acoustic capability；Excellent extreme pressure and antiwear behavior and fretting wear resistance property；Effectively extend harmonic wave speed reducing machine and
The service life of robot.It is just filled suitable for various industrial robot harmonic speed reducers and maintenance lubrication uses, guarantee operation precision, drop
Low equipment failure rate, the technology of the present invention will break dependence to foreign brand name, reduce maintenance cost.
Specific embodiment
Specific embodiment provided by the invention is described in detail below.
A kind of industrial robot harmonic wave speed reducing machine special grease, is grouped as by the group of following portions by weight:
Synthetic base oil: 75~90 parts；
Non-metallic soap thickening agent: 3~8 parts；
Tackifier: 8~20 parts；
Initiator: 0.5~3 part；
Multipurpose additive: 3~10 parts；
Extreme pressure anti-wear additives: 1~5 part；
Antirust agent: 0.5~1.5 part.
The synthetic base oil be polyalphaolefin, natural gas synthetic oil, synthesizing ester oil, two kinds in the insoluble polyethers of water or
The miscella of two or more compositions is fully synthetic base oil；After tackifier improve 40 DEG C of kinematic viscosity of mixture be 55~
60mm2/ s, viscosity index (VI) are 210~220, and density is 0.85~0.86g/cm3；This miscella to nonsoap thickener fiber and
Additive has good compatibility.High temperature performance is excellent, and long service life, application range is wide, and Applicable temperature is -50~150
DEG C, there is minimum low temperature torque at -40 DEG C.
The polyalphaolefin selects one or both of low viscosity grade PAO2, PAO4, PAO6；Excellent height is provided
Cryogenic property, minimum low temperature flow pressure and low temperature torque.
The natural gas synthetic oil is G4, G8；With excellent viscosity index (VI), high temperature performance, comprehensive performance matches in excellence or beauty
Poly- a alkene, it is from a wealth of sources, it is cheap.
The synthesizing ester oil is trimethylolpropane saturated ester, monopentaerythritol saturated ester, in trimellitate
It is a kind of；Improve low temperature flow, oxidation stability is good, improves thermal stability.Intermolecular polarity is easily adsorbed on rubbing surface and is formed
Oil film increases oil film thickness and improves lubricity.
The water-insoluble polyethers is ethylene oxide homo.Excellent high temperature performance, outstanding carrying energy are provided
Power and lubricity, lower coefficient of friction；Noncoking, non-discolouring, long-life under high temperature.It is conducive to the thickening of polyurea grease simultaneously.
The tackifier are polymethacrylates PMA type high molecular materials.Viscosity index (VI) improvement effect is obvious, low temperature
Lower viscosity is small.Improve the viscosity temperature characteristic of base oil, improve lubricating grease to the adhesive force of metal, lubricating grease is made to be easier to be retained in and rub
It wipes on surface.
The non-metallic soap thickening agent is polymer made of isocyanates is reacted with fatty amine, aromatic amine.Non- gold
Belong to the selection of the organic urea thickening agent of soap, the distinguishing feature for being different from metallic soap thickening agent is, without containing gold in thickening agent crystallization
Belong to ion, fiber stiffness is smaller, and noise performance is preferable.In addition, except thickening agent itself do not contain the metal of catalysed oxidn from
It is sub outer, it is even more a kind of excellent polyphenoils containing abundant nitrogen oxygen atom, effectively delays oxidation life.
The initiator is 1,4- diaza-bicyclo octane, [5,4,0]-ten one carbon -7- ene compound of 1,8- diaza-bicyclo
One of.It is a few minutes that the reaction time, which can be shortened, improves reaction efficiency, saves production cost.
The multipurpose additive is the mixture of thiophosphoric acid zinc salt and thiocarbamic acid molybdenum salt；There is antioxygen simultaneously
The multiple performances such as change, anticorrosive, wear-resistant, use with other additive compounds, improve comprehensive performance.
The thiophosphoric acid zinc salt is two (normal-butyl iso-octyl) zinc dithiophosphate T202, the double octyl Alkaline Zincs of sulphur phosphorus
One of salt T203 (ZDTP).
The thiocarbamic acid molybdenum salt is thio dibutyl dithiocaarbamate molybdenum (MO-DTC).It provides good
Thermal stability, hence it is evident that improve the wear-resistant and bearing capacity of lubricating grease.
The extreme pressure anti-wear additives are one of olefine sulfide, tricresyl phosphate, triphenyl phosphate.With above-mentioned multiple-effect
Additive compound uses, and raising carries, is wear-resistant, anti-fretting wear and noise reduction are protected.
The antirust agent is that organic amine and one of sulfonate, naphthenate are used in combination.Rust-proof effect is more excellent
It is different.
The preparation method of the industrial robot harmonic wave speed reducing machine special grease, the specific process steps are as follows:
1) reconciliation is heated in reaction kettle A uniformly with whole base oil and tackifier；
2) it is added in reaction kettle B with 1/2 above-mentioned ready-mixed oil, 70-80 DEG C of dissolved fat amine, aromatic amine；
3) remaining ready-mixed oil dissolves isocyanates at 50-60 DEG C in reaction kettle A；
4) until completely dissolved, step 2), 3) lysate is through secondary filter；
5) fatty amine, fragrant amine solution are slowly added into isocyanates lysate, and initiator 80-100 is added
Reaction 10-30min is carried out at DEG C；
6) 150-200 DEG C of high temperature refining 30-90min is risen to after the reaction was completed；
7) multipurpose additive, extreme pressure anti-wear additives, antirust agent are sequentially added through 80-90 DEG C of cooling again, grinding is melted into rouge.
The production technology of lubricating grease has a significant impact to the performance of product.Harmonic wave rouge requires noise reduction and anti-fretting wear
Can, the purity of strict control raw material in process, secondary filter is after dissolution to remove this processing step of the impurity in raw material
It is essential.Meanwhile it needing to manufacture on the environment of high cleanliness and equipment.With ensure excellent noise properties and
Anti- Fretting Wear Behavior, thus the opposite service life for improving harmonic wave speed reducing machine and machine human reriability.
Preparation process high temperature refining temperature is an important factor for influencing polyurea grease thickening agent fibre structure.Thickening agent fiber
Structure is to influence the basic reason of polyurea grease dropping point.Polyurea thickening agent fibre structure formation mechenism is as follows: under the conditions of high temperature refining
Carbamido thickening agent molecule forms bonding ability and is remarkably reinforced, and hydrogen bond connects to form long-chain, and increases chain increasingly with refining temperature
Length forms spiral tube structure, and when reaching certain high temperature, urea molecule, which is arranged from mixed and disorderly unordered structural arrangement to ordered structure, to be changed,
And stable lubricating grease spatial skeleton network structure is formed by hydrogen bond crosslinks.Base oil molecules are activated at high temperature simultaneously,
And be fully absorbed into cored screw pipe, ultimately generate be tightly combined, the urea-base grease that thermal stability is good.Therefore, lead to
150-200 DEG C of control refining temperature is crossed, improves grease dropping point up to 260 DEG C or more, to obtain the hot properties of ideal stability.
Specific embodiment:
[embodiment 1]
Industrial robot harmonic wave speed reducing machine special grease includes that following components reconciles by weight ratio:
Synthetic base oil 78 (poly- a alkene 85, trimethylolpropane saturated ester 15)；Non-metallic soap thickening agent 5；Poly- methyl-prop
Olefin(e) acid ester 17；Zinc dialkyl dithiophosphate 2；Thiocarbamic acid molybdenum 2；Tricresyl phosphate 4；Organic amine 0.5；Mahogany acid
Barium 0.5；1,4- diaza-bicyclo octane 0.5.
Industrial robot harmonic wave speed reducing machine special grease, the specific process steps are as follows:
Reconciliation is heated in reaction kettle A uniformly with whole base oil and tackifier, is added to instead with 1/2 above-mentioned ready-mixed oil
75 DEG C of dissolved fat amine, aromatic amines in kettle B are answered, remaining ready-mixed oil dissolves isocyanates at 55 DEG C in reaction kettle A, to completely molten
Fatty amine, fragrant amine solution are slowly added into isocyanates lysate, and initiator 80 are added by Xie Houjing secondary filter
Reaction 30min is carried out at DEG C, rises to 180 DEG C of high temperature refining 40min after the reaction was completed, then cooled down 90 DEG C, sequentially add multiple-effect
Additive, extreme pressure anti-wear additives, antirust agent, grinding are melted into rouge.
[embodiment 2]
Industrial robot harmonic wave speed reducing machine special grease includes that following components reconciles by weight ratio:
Synthetic base oil 81, (80 trimellitate 20 of natural gas synthetic oil)；Non-metallic soap thickening agent 6；Polymethyl
Acid esters 13；Zinc dialkyl dithiophosphate 3；Thiocarbamic acid molybdenum 2；Triphenyl phosphate 3；Organic amine 0.5；Barium mahogany sulfonate 1；
1,4- diaza-bicyclo octane 1.5.
Industrial robot harmonic wave speed reducing machine special grease, the specific process steps are as follows:
Reconciliation is heated in reaction kettle A uniformly with whole base oil and tackifier, is added to instead with 1/2 above-mentioned ready-mixed oil
75 DEG C of dissolved fat amine, aromatic amines in kettle B are answered, remaining ready-mixed oil dissolves isocyanates at 55 DEG C in reaction kettle A, to completely molten
Fatty amine, fragrant amine solution are slowly added into isocyanates lysate, and initiator 90 are added by Xie Houjing secondary filter
Reaction 20min is carried out at DEG C, rises to 170 DEG C of high temperature refining 60min after the reaction was completed, then cooled down 85 DEG C, sequentially add multiple-effect
Additive, extreme pressure anti-wear additives, antirust agent, grinding are melted into rouge.
[embodiment 3]
Industrial robot harmonic wave speed reducing machine special grease includes that following components reconciles by weight ratio:
Synthetic base oil 86 (the insoluble polyethers 25 of 75 water of natural gas synthetic oil)；Non-metallic soap thickening agent 4；Polymethylacrylic acid
Ester 10；Zinc dialkyl dithiophosphate 4；Thiocarbamic acid molybdenum 4；Triphenyl phosphate 2；Organic amine 0.5；Zinc naphthenate 0.5；1,
[5,4,0]-ten one carbon -7- ene compound 1 of 8- diaza-bicyclo.
Industrial robot harmonic wave speed reducing machine special grease, the specific process steps are as follows:
Reconciliation is heated in reaction kettle A uniformly with whole base oil and tackifier, is added to instead with 1/2 above-mentioned ready-mixed oil
75 DEG C of dissolved fat amine, aromatic amines in kettle B are answered, remaining ready-mixed oil dissolves isocyanates at 55 DEG C in reaction kettle A, to completely molten
Fatty amine, fragrant amine solution are slowly added into isocyanates lysate, and initiator are added by Xie Houjing secondary filter
Carry out reaction 15min at 100 DEG C, rise to 160 DEG C of high temperature refining 90min after the reaction was completed, then through it is 85 DEG C cooling, sequentially add it is more
Additive, extreme pressure anti-wear additives, antirust agent are imitated, grinding is melted into rouge.
[embodiment 4]
Industrial robot harmonic wave speed reducing machine special grease includes that following components reconciles by weight ratio:
Synthetic base oil 83.5 (natural gas synthetic oil 80, the insoluble polyethers 20 of water)；Non-metallic soap thickening agent 4.5；Poly- methyl
Acrylate 12；The double octyl zinc salts 4 of sulphur phosphorus；Thiocarbamic acid molybdenum 4；Olefine sulfide 2；Organic amine 0.8；Zinc naphthenate 0.5；1,
[5,4,0]-ten one carbon -7- ene compound 0.8 of 8- diaza-bicyclo.
Industrial robot harmonic wave speed reducing machine special grease, the specific process steps are as follows:
Reconciliation is heated in reaction kettle A uniformly with whole base oil and tackifier, is added to instead with 1/2 above-mentioned ready-mixed oil
75 DEG C of dissolved fat amine, aromatic amines in kettle B are answered, remaining ready-mixed oil dissolves isocyanates at 55 DEG C in reaction kettle A, to completely molten
Fatty amine, fragrant amine solution are slowly added into isocyanates lysate, and initiator 90 are added by Xie Houjing secondary filter
Reaction 30min is carried out at DEG C, rises to 190 DEG C of high temperature refining 30min after the reaction was completed, then cooled down 80 DEG C, sequentially add multiple-effect
Additive, extreme pressure anti-wear additives, antirust agent, grinding are melted into rouge.
[embodiment 5]
Industrial robot harmonic wave speed reducing machine special grease includes that following components reconciles by weight ratio:
Synthetic base oil 75 (poly- a alkene 20, natural gas synthetic oil 65, monopentaerythritol ester 15)；Non-metallic soap thickening agent
8；Polymethacrylates 17；Zinc dialkyl dithiophosphate 7；Thiocarbamic acid molybdenum 3；Tricresyl phosphate 3；Organic amine
0.8；Barium mahogany sulfonate 0.5；[5,4,0]-ten one carbon -7- ene compound 2 of 1,8- diaza-bicyclo.
Industrial robot harmonic wave speed reducing machine special grease, the specific process steps are as follows:
Reconciliation is heated in reaction kettle A uniformly with whole base oil and tackifier, is added to instead with 1/2 above-mentioned ready-mixed oil
75 DEG C of dissolved fat amine, aromatic amines in kettle B are answered, remaining ready-mixed oil dissolves isocyanates at 55 DEG C in reaction kettle A, to completely molten
Fatty amine, fragrant amine solution are slowly added into isocyanates lysate, and initiator 85 are added by Xie Houjing secondary filter
Reaction 25min is carried out at DEG C, rises to 150 DEG C of high temperature refining 80min after the reaction was completed, then cooled down 80 DEG C, sequentially add multiple-effect
Additive, extreme pressure anti-wear additives, antirust agent, grinding are melted into rouge.
[embodiment 6]
Industrial robot harmonic wave speed reducing machine special grease includes that following components reconciles by weight ratio:
Synthetic base oil 82 (poly- a alkene 70, trimellitate 20, the insoluble polyethers 10 of water)；Non-metallic soap thickening agent 5；It is poly-
Methacrylate 13；The double octyl zinc salts 1 of sulphur phosphorus；Thiocarbamic acid molybdenum 2；Olefine sulfide 5；Organic amine 0.3；Barium mahogany sulfonate
0.8；[5,4,0]-ten one carbon -7- ene compound 3 of 1,8- diaza-bicyclo.
Industrial robot harmonic wave speed reducing machine special grease, the specific process steps are as follows:
Reconciliation is heated in reaction kettle A uniformly with whole base oil and tackifier, is added to instead with 1/2 above-mentioned ready-mixed oil
75 DEG C of dissolved fat amine, aromatic amines in kettle B are answered, remaining ready-mixed oil dissolves isocyanates at 55 DEG C in reaction kettle A, to completely molten
Fatty amine, fragrant amine solution are slowly added into isocyanates lysate, and initiator 95 are added by Xie Houjing secondary filter
Reaction 20min is carried out at DEG C, rises to 200 DEG C of high temperature refining 30min after the reaction was completed, then cooled down 80 DEG C, sequentially add multiple-effect
Additive, extreme pressure anti-wear additives, antirust agent, grinding are melted into rouge.
[embodiment 7]
Industrial robot harmonic wave speed reducing machine special grease includes that following components reconciles by weight ratio:
Synthetic base oil 82 (poly- a alkene 30, natural gas synthetic oil 50, trimethylolpropane saturated ester 20)；Non-metallic soap
Thickening agent 7；Polymethacrylates 11；The double octyl zinc salts 2 of sulphur phosphorus；Thiocarbamic acid molybdenum 2；Triphenyl phosphate 4；Organic amine
0.3；Zinc naphthenate 0.8；1,4- diaza-bicyclo octane 1.
Industrial robot harmonic wave speed reducing machine special grease, the specific process steps are as follows:
Reconciliation is heated in reaction kettle A uniformly with whole base oil and tackifier, is added to instead with 1/2 above-mentioned ready-mixed oil
75 DEG C of dissolved fat amine, aromatic amines in kettle B are answered, remaining ready-mixed oil dissolves isocyanates at 55 DEG C in reaction kettle A, to completely molten
Fatty amine, fragrant amine solution are slowly added into isocyanates lysate, and initiator 90 are added by Xie Houjing secondary filter
Reaction 30min is carried out at DEG C, rises to 180 DEG C of high temperature refining 50min after the reaction was completed, then cooled down 85 DEG C, sequentially add multiple-effect
Additive, extreme pressure anti-wear additives, antirust agent, grinding are melted into rouge.
[embodiment 8]
Industrial robot harmonic wave speed reducing machine special grease includes that following components reconciles by weight ratio:
Synthetic base oil 90 (natural gas synthetic oil 70, trimethylolpropane saturated ester 30)；Non-metallic soap thickening agent 3；It is poly-
Methacrylate 10；The double octyl zinc salts 2 of sulphur phosphorus；Thiocarbamic acid molybdenum 4；Olefine sulfide 1；Organic amine 0.3；Zinc naphthenate
0.2；1,4- diaza-bicyclo octane 0.8.
Industrial robot harmonic wave speed reducing machine special grease, the specific process steps are as follows:
Reconciliation is heated in reaction kettle A uniformly with whole base oil and tackifier, is added to instead with 1/2 above-mentioned ready-mixed oil
75 DEG C of dissolved fat amine, aromatic amines in kettle B are answered, remaining ready-mixed oil dissolves isocyanates at 55 DEG C in reaction kettle A, to completely molten
Fatty amine, fragrant amine solution are slowly added into isocyanates lysate, and initiator 90 are added by Xie Houjing secondary filter
Reaction 30min is carried out at DEG C, rises to 180 DEG C of high temperature refining 50min after the reaction was completed, then cooled down 85 DEG C, sequentially add multiple-effect
Additive, extreme pressure anti-wear additives, antirust agent, grinding are melted into rouge.
The performance test data of embodiment 1-8 see the table below:
Above embodiments are implemented under the premise of the technical scheme of the present invention, give detailed embodiment and tool
The operating process of body, but protection scope of the present invention is not limited to the above embodiments.Method therefor is such as without spy in above-described embodiment
Not mentionleting alone bright is conventional method.
Claims (9)
1. industrial robot harmonic wave speed reducing machine special grease, which is characterized in that be grouped as by the group of following portions by weight:
Synthetic base oil: 75~90 parts；
Non-metallic soap thickening agent: 3~8 parts；
Tackifier: 8~20 parts；
Initiator: 0.5~3 part；
Multipurpose additive: 3~10 parts；
Extreme pressure anti-wear additives: 1~5 part；
Antirust agent: 0.5~1.5 part.
2. industrial robot harmonic wave speed reducing machine special grease according to claim 1, which is characterized in that the synthesis base
Plinth oil is mixing of polyalphaolefin, natural gas synthetic oil, two or more oily, in the insoluble polyethers of water composition of synthesizing ester
Oil is fully synthetic base oil；40 DEG C of kinematic viscosity of mixture are 55~60mm after tackifier improve2/ s, viscosity index (VI) are
210~220, density is 0.85~0.86g/cm3；
The polyalphaolefin selects one or both of low viscosity grade PAO2, PAO4, PAO6；The natural gas synthesis
Oil is G4, G8；The synthesizing ester oil is trimethylolpropane saturated ester, monopentaerythritol saturated ester, in trimellitate
One kind；The water-insoluble polyethers is ethylene oxide homo.
3. industrial robot harmonic wave speed reducing machine special grease according to claim 1, which is characterized in that the thickening
Agent is polymethacrylates PMA type high molecular material.
4. industrial robot harmonic wave speed reducing machine special grease according to claim 1, which is characterized in that the non-gold
Belonging to soap thickening agent is polymer made of isocyanates is reacted with fatty amine, aromatic amine.
5. industrial robot harmonic wave speed reducing machine special grease according to claim 1, which is characterized in that the initiation
Agent is one of 1,4- diaza-bicyclo octane, [5,4,0]-ten one carbon -7- ene compound of 1,8- diaza-bicyclo.
6. industrial robot harmonic wave speed reducing machine special grease according to claim 1, which is characterized in that the multiple-effect
Additive is the mixture of thiophosphoric acid zinc salt and thiocarbamic acid molybdenum salt；
The thiophosphoric acid zinc salt is two (normal-butyl iso-octyl) zinc dithiophosphate T202, the double octyl basic zinc salts of sulphur phosphorus
One of T203.
The thiocarbamic acid molybdenum salt is thio dibutyl dithiocaarbamate molybdenum.
7. industrial robot harmonic wave speed reducing machine special grease according to claim 1, which is characterized in that the extreme pressure
Antiwear additive is one of olefine sulfide, tricresyl phosphate, triphenyl phosphate.
8. industrial robot harmonic wave speed reducing machine special grease according to claim 1, which is characterized in that the antirust
Agent is that organic amine and one of sulfonate, naphthenate are used in combination.
9. the preparation method of industrial robot harmonic wave speed reducing machine special grease described in claim 1, which is characterized in that specific
Processing step is as follows:
1) reconciliation is heated in reaction kettle A uniformly with whole base oil and tackifier；
2) it is added in reaction kettle B with 1/2 above-mentioned ready-mixed oil, 70-80 DEG C of dissolved fat amine, aromatic amine；
3) remaining ready-mixed oil dissolves isocyanates at 50-60 DEG C in reaction kettle A；
4) until completely dissolved, step 2), 3) lysate is through secondary filter；
5) fatty amine, fragrant amine solution are slowly added into isocyanates lysate, and be added at 80-100 DEG C of initiator
Carry out reaction 10-30min；
6) 150-200 DEG C of high temperature refining 30-90min is risen to after the reaction was completed；
7) multipurpose additive, extreme pressure anti-wear additives, antirust agent are sequentially added through 80-90 DEG C of cooling again, grinding is melted into rouge.
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| CN115838612A (en) * | 2022-12-12 | 2023-03-24 | 杭州得润宝油脂股份有限公司 | Lubricating grease and preparation method and application thereof |
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