CN115678640A - Special lubricating grease for striking block and preparation method thereof - Google Patents
Special lubricating grease for striking block and preparation method thereof Download PDFInfo
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- CN115678640A CN115678640A CN202211347448.1A CN202211347448A CN115678640A CN 115678640 A CN115678640 A CN 115678640A CN 202211347448 A CN202211347448 A CN 202211347448A CN 115678640 A CN115678640 A CN 115678640A
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Abstract
The invention discloses a special lubricating grease for a striking block and a preparation method thereof, wherein the special lubricating grease is prepared from the following raw materials: 150BS base oil, 68# hydraulic oil, 28# white oil, 150N base oil, poly-alpha-olefin synthetic base oil, heavy alkyl benzene AB4, high-viscosity silicone oil, ABS8434 resin, polytetrafluoroethylene, dodecahydroxy stearic acid, L57 antioxidant, ethylene propylene diene monomer rubber, MCA, antioxidant corrosion inhibitor T205, antirust agent T702 and extreme pressure antiwear agent T305. The special lubricating grease for the striking block has high adhesiveness, low-temperature fluidity, corrosion resistance, high temperature resistance, water resistance and good shear resistance, can well meet the requirement of the lubrication of the striking block, can be strongly adhered to the striking block moving at high speed, avoids loss and deterioration at high temperature, and can prolong the service life of a tool.
Description
Technical Field
The invention relates to the field of lubricating grease, and particularly relates to special lubricating grease for a striking block and a preparation method thereof.
Background
The pneumatic tool can be used in explosive, corrosive, high-temperature and humid working environments, has a simple, firm and durable structure, and is widely applied to many fields such as mechanical manufacturing, ship manufacturing, automobile manufacturing and the like, and particularly in the automobile manufacturing industry, is one of important tool equipment indispensable to mass production of modern automobiles.
As an important component of a pneumatic tool, the striking block has high requirements on lubricating grease, and the lubricating grease is required to have good emulsibility, high adhesion performance and low-temperature fluidity; in addition, because the working environment of the pneumatic tool is sometimes severe, the grease is also required to have good corrosion resistance, high temperature resistance and water resistance.
At present, special lubricating grease specially used for striking block lubrication is lacked in the market, and common lubricating grease cannot simultaneously meet the requirements of high adhesiveness, low-temperature fluidity, corrosion resistance, high temperature resistance and water resistance required by striking block lubrication.
Disclosure of Invention
In order to solve the problems, the invention provides special lubricating grease for a striking block and a preparation method thereof, wherein the special lubricating grease for the striking block can be strongly adhered to the striking block moving at high speed, so that the striking block is prevented from losing and deteriorating at high temperature, and meanwhile, the special lubricating grease for the striking block has good shearing resistance and can prolong the service life of a tool.
In order to realize the purpose, the invention adopts the technical scheme that:
the special lubricating grease for the striking block is prepared from the following raw materials in parts by mass:
compared with the prior art, the invention has the following beneficial effects:
the special lubricating grease for the striking block is prepared by mixing 150BS base oil, 68# hydraulic oil, 28# white oil, 150N base oil and poly-alpha-olefin synthetic base oil to form high-performance base oil, taking polytetrafluoroethylene as a thickening agent, adding high-viscosity silicone oil to improve the adhesiveness of the lubricating grease, and simultaneously adding multiple additives such as heavy alkylbenzene, ABS resin, ethylene propylene diene monomer, an antioxidant, an antirust agent, an extreme pressure antiwear agent, corrosion resistance and the like, so that the special lubricating grease for the striking block has high adhesiveness, low temperature fluidity, corrosion resistance, high temperature resistance, water resistance and good shear resistance, can well meet the lubricating requirement of the striking block, can be strongly adhered to the striking block moving at high speed, avoids deterioration at high temperature and flow, and can prolong the service life of a tool.
Specifically, the L57 antioxidant added in the invention is a liquid octyl butyl diphenylamine antioxidant, has high nitrogen content, shows a higher total base number, has good sealing compatibility, can stabilize the lubricating grease, prolongs the service life of the lubricating grease, and effectively controls the viscosity increase of the lubricating grease caused by oxidation. The added ABS8434 resin has excellent mechanical property, super-good impact strength, excellent wear resistance, good dimensional stability and oil resistance, and can be used at extremely low temperature. The added polytetrafluoroethylene fully exerts the performances of corrosion resistance, chemical reagent resistance, wear resistance, toughness and high strength. The added extreme pressure anti-wear agent T305 has good anti-wear extreme pressure effect, long service life, good high temperature resistance and good compatibility with other active additives.
Detailed Description
Aiming at the lubrication characteristic required by the valve actuator, the invention provides the special lubricating grease for the striking block, which has better low-temperature performance, reduces the cost as much as possible, can lubricate well and has good compatibility with rubber/plastic parts.
Several embodiments of the invention are given below
Example 1
The special lubricating grease for the striking block is prepared from the following raw materials in parts by mass:
150BS base oil 10 parts
13 portions of 68# hydraulic oil
22 portions of No. 28 white oil
18 portions of 150N base oil
18 portions of PAO8 poly-alpha olefin synthetic base oil
10 portions of PAO150 poly-alpha olefin synthetic base oil
Heavy alkylbenzene AB4 parts
30000cps high viscosity silicone oil 10 parts
5 parts of ABS8434 resin
14 portions of polytetrafluoroethylene
6 parts of dodecahydroxystearic acid
2 portions of L57 antioxidant
Ethylene propylene diene monomer 7 parts
MCA 5 parts
1.8 portions of oxidation and corrosion inhibitor T205
2.2 parts of antirust agent T702
And (3) an extreme pressure antiwear agent T305 part.
The preparation method of the special lubricating grease for the striking block comprises the following steps:
1) Adding 150BS base oil, 68# hydraulic oil, 28# white oil, 150N base oil and poly-alpha-olefin synthetic base oil into a stirring kettle according to the proportion, stirring, slowly heating to 60 ℃, and uniformly mixing to obtain base oil; equally dividing the base oil into two parts, namely a part of base oil and b part of base oil;
2) Adding high-viscosity silicone oil into the base oil a, stirring, slowly heating to 120 ℃, and uniformly mixing to obtain a mixture a;
3) Adding dodecahydroxystearic acid and polytetrafluoroethylene into the base oil of the part b, stirring, slowly heating to 150 ℃, and preserving heat for 60min to obtain a mixture b;
4) Adding the mixture a into the mixture b, stirring, slowly heating to 180 ℃, and preserving heat for 60min to obtain a mixture c; after quenching the mixture c, homogenizing the mixture by a homogenizer to obtain base ester;
5) Adding the heavy alkylbenzene AB4, ABS8434 resin, L57 antioxidant, ethylene propylene diene monomer, MCA, antioxidant corrosion inhibitor T205, antirust agent T702 and extreme pressure antiwear agent T305 into the obtained base grease, homogenizing by a homogenizer, and filtering by a high pressure filter to obtain the special lubricating grease for the striking block.
Example 2
The special lubricating grease for the striking block is prepared from the following raw materials in parts by weight:
150BS 13 portions of base oil
68# Hydraulic oil 16 parts
18 portions of No. 28 white oil
16 portions of 150N base oil
12 portions of PAO8 poly-alpha olefin synthetic base oil
15 portions of PAO150 poly-alpha olefin synthetic base oil
Heavy alkylbenzene AB4 portion
30000cps high viscosity silicone oil 8 parts
ABS8434 resin 4 parts
Polytetrafluoroethylene 15 parts
5 parts of dodecahydroxy stearic acid
1.5 portions of L57 antioxidant
8 parts of ethylene propylene diene monomer
MCA 4 parts
2.4 portions of antioxidant corrosion inhibitor T205
Antirust agent T702 2 parts
And (3) an extreme pressure antiwear agent T305.
The preparation method of the special lubricating grease for the striking block comprises the following steps:
1) Adding 150BS base oil, 68# hydraulic oil, 28# white oil, 150N base oil and poly-alpha-olefin synthetic base oil into a stirring kettle according to the proportion, stirring, slowly heating to 70 ℃, and uniformly mixing to obtain base oil; equally dividing the base oil into two parts, namely a part of base oil and b part of base oil;
2) Adding high-viscosity silicone oil into the base oil a, stirring, slowly heating to 130 ℃, and uniformly mixing to obtain a mixture a;
3) Adding dodecahydroxystearic acid and polytetrafluoroethylene into the base oil of the part b, stirring, slowly heating to 160 ℃, and preserving heat for 55min to obtain a mixture b;
4) Adding the mixture a into the mixture b, stirring, slowly heating to 185 ℃, and keeping the temperature for 55min to obtain a mixture c; after quenching the mixture c, homogenizing the mixture by a homogenizer to obtain base ester;
5) Adding heavy alkylbenzene AB4, ABS8434 resin, L57 antioxidant, ethylene propylene diene monomer, MCA, antioxidant and corrosion inhibitor T205, antirust agent T702 and extreme pressure antiwear agent T305 into the obtained base grease, homogenizing the mixture by a homogenizer, and filtering the mixture by a high pressure filter to obtain the special lubricating grease for the striking block.
Example 3
The special lubricating grease for the striking block is prepared from the following raw materials in parts by weight:
150BS base oil 15 parts
10 portions of 68# hydraulic oil
20 portions of No. 28 white oil
14 portions of 150N base oil
15 portions of PAO8 poly-alpha olefin synthetic base oil
11 portions of PAO150 poly-alpha olefin synthetic base oil
Heavy alkylbenzene AB4 portion
30000cps high viscosity silicone oil 6 parts
6 parts of ABS8434 resin
12 portions of polytetrafluoroethylene
4 parts of dodecahydroxystearic acid
3 portions of L57 antioxidant
Ethylene propylene diene monomer 6 parts
MCA 3 parts
Antioxidant anticorrosive agent T205 1 portion
1.6 portions of antirust agent T702
And (3) an extreme pressure antiwear agent T305 part.
The preparation method of the special lubricating grease for the striking block comprises the following steps:
1) Adding 150BS base oil, 68# hydraulic oil, 28# white oil, 150N base oil and poly-alpha-olefin synthetic base oil into a stirring kettle according to the proportion, stirring and slowly heating to 80 ℃ to uniformly mix the base oil and the white oil to obtain base oil; equally dividing the base oil into two parts, namely a part of base oil and b part of base oil;
2) Adding high-viscosity silicone oil into the base oil a, stirring, slowly heating to 140 ℃, and uniformly mixing to obtain a mixture a;
3) Adding dodecahydroxystearic acid and polytetrafluoroethylene into the base oil of the part b, stirring, slowly heating to 170 ℃, and preserving heat for 45min to obtain a mixture b;
4) Adding the mixture a into the mixture b, stirring, slowly heating to 190 ℃, and preserving heat for 50min to obtain a mixture c; after quenching the mixture c, homogenizing the mixture by a homogenizer to obtain base ester;
5) Adding the heavy alkylbenzene AB4, ABS8434 resin, L57 antioxidant, ethylene propylene diene monomer, MCA, antioxidant corrosion inhibitor T205, antirust agent T702 and extreme pressure antiwear agent T305 into the obtained base grease, homogenizing by a homogenizer, and filtering by a high pressure filter to obtain the special lubricating grease for the striking block.
Example 4
The special lubricating grease for the striking block is prepared from the following raw materials in parts by weight:
150 parts of 150BS base oil
68# Hydraulic oil 12 parts
14 portions of No. 28 white oil
12 portions of 150N base oil
14 portions of PAO8 poly-alpha olefin synthetic base oil
18 portions of PAO150 poly-alpha olefin synthetic base oil
Heavy alkylbenzene AB 4.5 parts
30000cps high viscosity silicone oil 12 parts
7 parts of ABS8434 resin
13 portions of polytetrafluoroethylene
7 parts of dodecahydroxystearic acid
2.5 parts of L57 antioxidant
Ethylene propylene diene monomer 4 parts
MCA 4.5 parts
Antioxidant anticorrosive agent T205 2 parts
Antirust agent T702 parts
And (3) an extreme pressure antiwear agent T305 part.
The preparation method of the special lubricating grease for the striking block comprises the following steps:
1) Adding 150BS base oil, 68# hydraulic oil, 28# white oil, 150N base oil and poly-alpha-olefin synthetic base oil into a stirring kettle according to the proportion, stirring, slowly heating to 90 ℃, and uniformly mixing to obtain base oil; dividing the base oil into two parts, namely a part of base oil and b part of base oil;
2) Adding high-viscosity silicone oil into the base oil a, stirring, slowly heating to 150 ℃, and uniformly mixing to obtain a mixture a;
3) Adding dodecahydroxystearic acid and polytetrafluoroethylene into the b parts of base oil, stirring, slowly heating to 180 ℃, and preserving heat for 40min to obtain a mixture b;
4) Adding the mixture a into the mixture b, stirring, slowly heating to 195 ℃, and keeping the temperature for 45min to obtain a mixture c; after quenching the mixture c, homogenizing the mixture by a homogenizer to obtain base ester;
5) Adding the heavy alkylbenzene AB4, ABS8434 resin, L57 antioxidant, ethylene propylene diene monomer, MCA, antioxidant corrosion inhibitor T205, antirust agent T702 and extreme pressure antiwear agent T305 into the obtained base grease, homogenizing by a homogenizer, and filtering by a high pressure filter to obtain the special lubricating grease for the striking block.
Example 5
The special lubricating grease for the striking block is prepared from the following raw materials in parts by mass:
150 parts of base oil
8 parts of 68# hydraulic oil
28 parts of No. 28 white oil
150N base oil 10 parts
16 portions of PAO8 poly-alpha olefin synthetic base oil
12 portions of PAO150 poly-alpha olefin synthetic base oil
4.5 parts of heavy alkylbenzene AB
30000cps high viscosity silicone oil 9 parts
8 parts of ABS8434 resin
10 portions of polytetrafluoroethylene
4.5 parts of dodecahydroxystearic acid
1 part of L57 antioxidant
Ethylene propylene diene monomer 5 parts
MCA 6 parts
Antioxidant anticorrosive agent T205 parts
1 portion of antirust agent T702
4.5 parts of extreme pressure antiwear agent T305.
The preparation method of the special lubricating grease for the striking block comprises the following steps:
1) Adding 150BS base oil, 68# hydraulic oil, 28# white oil, 150N base oil and poly-alpha-olefin synthetic base oil into a stirring kettle according to the proportion, stirring, slowly heating to 85 ℃, and uniformly mixing to obtain base oil; equally dividing the base oil into two parts, namely a part of base oil and b part of base oil;
2) Adding high-viscosity silicone oil into the base oil a, stirring, slowly heating to 135 ℃, and uniformly mixing to obtain a mixture a;
3) Adding dodecahydroxystearic acid and polytetrafluoroethylene into the b parts of base oil, stirring, slowly heating to 165 ℃, and keeping the temperature for 50min to obtain a mixture b;
4) Adding the mixture a into the mixture b, stirring, slowly heating to 200 ℃, and preserving heat for 40min to obtain a mixture c; after quenching the mixture c, homogenizing the mixture by a homogenizer to obtain base ester;
5) Adding heavy alkylbenzene AB4, ABS8434 resin, L57 antioxidant, ethylene propylene diene monomer, MCA, antioxidant and corrosion inhibitor T205, antirust agent T702 and extreme pressure antiwear agent T305 into the obtained base grease, homogenizing the mixture by a homogenizer, and filtering the mixture by a high pressure filter to obtain the special lubricating grease for the striking block.
The special lubricating grease for the striking block is subjected to performance detection according to corresponding national standards by adopting the following equipment, and the main technical indexes are as follows:
the detection device comprises: the device comprises a touch screen salt spray tester, a grease extreme pressure performance tester (four-ball machine), a grease penetration tester (SYP 4100-I), a grease oxidation stability tester (SYP 4112-II), a grease dropping point tester (SYP-4110-I), a grease shearing tester (SYP 4106-I), a petroleum product pour point, a condensation point, an erosion point tester (SPH 1022-2C), a grease corrosion resistance tester (SYP 4109-I), a grease and lubricating oil evaporation loss tester (BF-60), a grease similar viscosity tester (SYP 4101-I), a grease sealing performance tester, a biomicroscope (XSP-BM) and the like.
The main technical indexes are as follows:
1. dropping point of grease: is more than 260 ℃;
2. working cone penetration of the lubricating grease: 220-295.1 mm;
3. antioxidant stability of grease: less than 0.07MPa;
4. corrosion test of grease: and (5) passing the test result.
The core technology and innovation point of the special lubricating grease for the striking block provided by the invention are adhesiveness, the lubricating grease can be strongly adhered to the striking block moving at high speed, the loss and the deterioration of the lubricating grease at high temperature are avoided, and meanwhile, the lubricating grease has good shearing resistance and the service life of a tool is prolonged.
The present invention has been described in further detail with reference to the embodiments, and it is not to be construed that the embodiments are limited thereto; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.
Claims (6)
1. The special lubricating grease for the striking block is characterized by being prepared from the following raw materials in parts by mass:
10-20 parts of 150BS base oil
8-16 parts of 68# hydraulic oil
14-28 parts of No. 28 white oil
10-18 parts of 150N base oil
26-32 parts of poly-alpha olefin synthetic base oil
3-5 parts of heavy alkylbenzene AB
6-12 parts of high-viscosity silicone oil
4-8 parts of ABS8434 resin
10-15 parts of polytetrafluoroethylene
4-7 parts of dodecahydroxystearic acid
1-3 parts of L57 antioxidant
4-8 parts of ethylene propylene diene monomer
MCA 3-6 parts
1-3 parts of antioxidant corrosion inhibitor T205
1-3 parts of antirust agent T702
3-6 parts of extreme pressure antiwear agent T305.
2. The special striking block grease for the striking block of claim 1, wherein: the types of the poly-alpha-olefin synthetic base oil are PAO4 and PAO150, wherein the PAO8 accounts for 12-18 parts, and the balance is PAO150.
3. The grease for percussion blocks as claimed in claim 1, wherein: the viscosity of the high viscosity silicone oil is 30000cps.
4. The special lubricating grease for the striking block according to claim 1, which is prepared from the following raw materials in parts by mass:
13-15 parts of 150BS base oil
10-13 parts of 68# hydraulic oil
18-22 parts of No. 28 white oil
12-14 parts of 150N base oil
14-16 parts of PAO8 poly-alpha olefin synthetic base oil
10-18 parts of PAO150 poly-alpha olefin synthetic base oil
3-4 parts of heavy alkylbenzene AB
8-10 parts of high-viscosity silicone oil
5-6 parts of ABS8434 resin
12-14 parts of polytetrafluoroethylene
4.5-6 parts of dodecahydroxystearic acid
1.5-2.5 parts of L57 antioxidant
6-7 parts of ethylene propylene diene monomer
MCA 4-5 parts
1.8 to 2.4 portions of antioxidant corrosion inhibitor T205
1.6-2.2 parts of antirust agent T702
4-5 parts of extreme pressure antiwear agent T305.
5. The grease special for a striking block according to claim 4, characterized in that: the penetration of the special lubricating grease for the striking block is 220-295 ℃, the dropping point of the lubricating grease is more than or equal to 260 ℃, and the anti-oxidation stability of the lubricating grease is less than 0.07MPa.
6. The preparation method of the special striking block grease of any one of claims 1-5, characterized by comprising the following steps:
1) Adding 150BS base oil, 68# hydraulic oil, 28# white oil, 150N base oil and poly-alpha-olefin synthetic base oil into a stirring kettle according to the proportion, stirring, slowly heating to 60-90 ℃, and uniformly mixing to obtain base oil; equally dividing the base oil into two parts, namely a part of base oil and b part of base oil;
2) Adding high-viscosity silicone oil into the base oil a, stirring, slowly heating to 120-150 ℃, and uniformly mixing to obtain a mixture a;
3) Adding dodecahydroxystearic acid and polytetrafluoroethylene into the base oil of part b, stirring, slowly heating to 150-180 ℃, and preserving heat for 40-60min to obtain a mixture b;
4) Adding the mixture a into the mixture b, stirring, slowly heating to 180-200 ℃, and preserving heat for 40-60min to obtain a mixture c; after quenching the mixture c, homogenizing the mixture by a homogenizer to obtain base ester;
5) Adding heavy alkylbenzene AB4, ABS8434 resin, L57 antioxidant, ethylene propylene diene monomer, MCA, antioxidant and corrosion inhibitor T205, antirust agent T702 and extreme pressure antiwear agent T305 into the obtained base grease, homogenizing the mixture by a homogenizer, and filtering the mixture by a high pressure filter to obtain the special lubricating grease for the striking block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211347448.1A CN115678640A (en) | 2022-10-31 | 2022-10-31 | Special lubricating grease for striking block and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211347448.1A CN115678640A (en) | 2022-10-31 | 2022-10-31 | Special lubricating grease for striking block and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115678640A true CN115678640A (en) | 2023-02-03 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211347448.1A Pending CN115678640A (en) | 2022-10-31 | 2022-10-31 | Special lubricating grease for striking block and preparation method thereof |
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| CN107384529A (en) * | 2017-07-17 | 2017-11-24 | 苏州惠丰润滑材料有限公司 | A kind of electrically conductive type ultra high temperature lubricating grease and preparation method thereof |
| CN108300552A (en) * | 2018-03-16 | 2018-07-20 | 纳拓润滑技术江苏有限公司 | A kind of biodegradable exposed gear grease and preparation method thereof |
| CN110408462A (en) * | 2019-07-22 | 2019-11-05 | 纳拓润滑技术（上海）有限公司 | A kind of lubricating grease and preparation method thereof for tie rod ball |
-
2022
- 2022-10-31 CN CN202211347448.1A patent/CN115678640A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040092408A1 (en) * | 2002-10-31 | 2004-05-13 | Tomlin Scientific, Inc. | Rock bit grease composition |
| JP2014167075A (en) * | 2013-02-28 | 2014-09-11 | Minebea Co Ltd | Grease composition resin lubrication |
| CN106701290A (en) * | 2016-12-23 | 2017-05-24 | 上海禾泰特种润滑科技股份有限公司 | Lubricating grease composition and preparation method thereof |
| CN107267268A (en) * | 2017-07-17 | 2017-10-20 | 常熟理工学院 | A kind of white superhigh temperature conductive grease and preparation method thereof |
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