CN107267260A - A kind of lubricant for tube bending - Google Patents
A kind of lubricant for tube bending Download PDFInfo
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- CN107267260A CN107267260A CN201710323944.6A CN201710323944A CN107267260A CN 107267260 A CN107267260 A CN 107267260A CN 201710323944 A CN201710323944 A CN 201710323944A CN 107267260 A CN107267260 A CN 107267260A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/045—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/065—Sulfides; Selenides; Tellurides
- C10M2201/066—Molybdenum sulfide
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or salts
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/127—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids polycarboxylic
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/402—Castor oils
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/02—Esters of silicic acids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2010/00—Metal present as such or in compounds
- C10N2010/02—Groups 1 or 11
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2010/00—Metal present as such or in compounds
- C10N2010/04—Groups 2 or 12
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/02—Pour-point; Viscosity index
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
Abstract
The present invention discloses a kind of lubricant for tube bending, is made up of the component of following parts by weight：49 52 parts of hydrogenated base oil, 48 parts of 1,2 ethohexadiol, 10 15 parts of castor oil, 9 13 parts of sebacate salt, 12 parts of sodium tungstate, 0.6 0.8 parts of Firebrake ZB, 13 parts of nano molybdenum disulfide, 68 parts of silester.The lubricant that the present invention is provided, Environmental Safety is nonirritant, and the lubricant remained in after use in equipment surface is readily cleaned totally.
Description
Technical field
The invention belongs to centrifuge equipment preparation field, and in particular to a kind of lubricant for tube bending.
Background technology
Bend pipe is an essential part in centrifuge pipe-line system, its have without dead angle, be readily cleaned the characteristics of.
Bending process is carried out to steel pipe, machined in bending machine, general bending machine has wheel mould, clamping, guided mode, plug etc.
Part is constituted, and because steel pipe is during brake forming, inside material is by the mutual squeezing action of internal stress, and material itself is without normal direction
Outer extension, forms indent fold, in order to prevent product indent, rear guided mode need to be set up, to limit product during brake forming
Free Transform；During brake forming, the effect of outside steel pipe Tensile, material itself elongation percentage is not enough with internal stress, material
Material can not be supplemented in time, form outside steel pipe contraction distortion.In order to prevent contraction distortion on the outside of product, it is necessary to which common guided mode is changed
Enter for reversible deformation guided mode, theoretical foundation is first to one reversal deformation amount of steel pipe, to make up the deformation produced in deformation process.But
Be minor radius bend pipe during processing, can still be deformed under common process and appointed condition in the presence of such as brake forming
Greatly, product wrinkles, can not reach the obvious characteristics of defects in quality level of product itself appearance requirement, and guided mode is in the process used
In easily be damaged, service life is shorter.Therefore it is badly in need of a kind of lubricant on bending machine for steel tube guided mode.
The content of the invention
In order to solve the above problems, the present invention provides a kind of lubricant for tube bending.
The present invention is achieved by the following technical solutions.
A kind of lubricant for tube bending, is made up of the component of following parts by weight：49-52 parts of hydrogenated base oil, 1,
4-8 parts of 2- ethohexadiols, 10-15 parts of castor oil, 9-13 parts of sebacate salt, 1-2 parts of sodium tungstate, 0.6-0.8 parts of Firebrake ZB, receive
1-3 parts of molybdenum disulfide of rice, 6-8 parts of silester.
Preferably, the hydrogenated base oil is any one in 150N hydrogenated base oils or 220N hydrogenated base oils.
Preferably, the character of 1, the 2- ethohexadiols is colourless liquid, and water-soluble at 25 DEG C is 4g/L.
Preferably, the castor oil is that domestic effective content is 99.5% castor oil.
Preferably, the water content of the sebacate salt is 1.0%, and average grain diameter is 110 mesh.
Preferably, the average grain diameter of the nano molybdenum disulfide is 50nm, and specific surface area is 80m2/g。
Preferably, the lubricant for tube bending also includes defoamer, thickener, cosolvent.
The gross weight of the lubricant for tube bending is preferably based on, the content of the defoamer is 0.01-
0.05%, the defoamer is any in silicone emulsion, the fatty acid ester compounded thing of higher alcohols, polyoxyethylene polyoxy propyl alcohol amidogen ether
It is a kind of.
The gross weight of the lubricant for tube bending is preferably based on, the content of the thickener is 0.1-
0.3%, the thickener is any one in Sodium Polyacrylate, polyvinyl alcohol, polyacrylamide.
The gross weight of the lubricant for tube bending is preferably based on, the content of the cosolvent is 0.03-
0.06%, the cosolvent is any one in sodium benzoate, sodium salicylate, p-aminobenzoic acid.
Specifically, the method for preparing lubricant for tube bending includes following operating procedure：By 1,2- ethohexadiols,
Castor oil, sebacate salt, sodium tungstate, Firebrake ZB, nano molybdenum disulfide, silester are sequentially added in hydrogenated base oil,
After the completion of charging, after stirring 30-40min, finished product.
Specifically, the lubricant application method for tube bending includes following operating procedure：Needing knee
Before the steel pipe of reason is fixed, lubricant uniformly will be coated on the inwall of the reversible deformation guided mode of bending apparatus and rear guided mode, then will
The steel pipe of bending process is needed to be fixed on guided mode.
Technical scheme more than, the beneficial effects of the invention are as follows：
The lubricant that the present invention is provided, Environmental Safety is nonirritant, and the lubricant remained in after use in equipment surface is easy to clear
Wash clean.Wherein, after 1,2- ethohexadiols, castor oil, sebacate salt synergy, hydrogenated base oil can greatly be lifted
Viscosity and crush resistance energy so that oil film is in tube bending, during by large curved stress, not cracky, it is ensured that lubrication
The action effect of agent；Sodium tungstate, Firebrake ZB, nano molybdenum disulfide, the addition of silester, can lift the extreme-pressure anti-wear of lubricant
Property, rear guided mode apex can be effectively protected for a long time, and it when extrusion friction occurs for steel tube surface, it can replace steel pipe
Friction chemical reaction occurs for coating metal, and then effectively avoids the corrugated phenomenon of steel tube surface after bending, improves product
Yield rate, further, sodium tungstate, Firebrake ZB, nano molybdenum disulfide in the lubricant, because its property from each other is poor
Different larger, it strictly controls its addition, therefore they are not susceptible to suction-operated each other and form reunion.
Embodiment
Following examples are used to illustrate the present invention, but can not be used for limiting the scope of the present invention.The reality used in embodiment
The condition of applying can be for further adjustments according to the condition of producer, and unaccounted implementation condition is usually conventional laboratory conditions.
Embodiment 1
A kind of lubricant for tube bending, is made up of the component of following parts by weight：49 parts of hydrogenated base oil, 1,2- ethohexadiols
4 parts, 10 parts of castor oil, 9 parts of sebacate salt, 1 part of sodium tungstate, 0.6 part of Firebrake ZB, 1 part of nano molybdenum disulfide, silester
6 parts.
Preferably, the hydrogenated base oil is 150N hydrogenated base oils.
Preferably, the character of 1, the 2- ethohexadiols is colourless liquid, and water-soluble at 25 DEG C is 4g/L.
Preferably, the castor oil is that domestic effective content is 99.5% castor oil.
Preferably, the water content of the sebacate salt is 1.0%, and average grain diameter is 110 mesh.
Preferably, the average grain diameter of the nano molybdenum disulfide is 50nm, and specific surface area is 80m2/g。
Preferably, the lubricant for tube bending also includes defoamer, thickener, cosolvent.
The gross weight of the lubricant for tube bending is preferably based on, the content of the defoamer is 0.01%,
The defoamer is silicone emulsion.
The gross weight of the lubricant for tube bending is preferably based on, the content of the thickener is 0.1%, institute
Thickener is stated for Sodium Polyacrylate.
The gross weight of the lubricant for tube bending is preferably based on, the content of the cosolvent is 0.03%,
The cosolvent is sodium benzoate.
Specifically, the method for preparing lubricant for tube bending includes following operating procedure：By 1,2- ethohexadiols,
Castor oil, sebacate salt, sodium tungstate, Firebrake ZB, nano molybdenum disulfide, silester are sequentially added in hydrogenated base oil,
After the completion of charging, after stirring 30min, finished product.
Specifically, the lubricant application method for tube bending includes following operating procedure：Needing knee
Before the steel pipe of reason is fixed, lubricant uniformly will be coated on the inwall of the reversible deformation guided mode of bending apparatus and rear guided mode, then will
The steel pipe of bending process is needed to be fixed on guided mode.
Embodiment 2
A kind of lubricant for tube bending, is made up of the component of following parts by weight：51 parts of hydrogenated base oil, 1,2- ethohexadiols
6 parts, 13 parts of castor oil, 11 parts of sebacate salt, 1 part of sodium tungstate, 0.7 part of Firebrake ZB, 2 parts of nano molybdenum disulfide, silicic acid second
7 parts of ester.
Preferably, the hydrogenated base oil is 150N hydrogenated base oils.
Preferably, the character of 1, the 2- ethohexadiols is colourless liquid, and water-soluble at 25 DEG C is 4g/L.
Preferably, the castor oil is that domestic effective content is 99.5% castor oil.
Preferably, the water content of the sebacate salt is 1.0%, and average grain diameter is 110 mesh.
Preferably, the average grain diameter of the nano molybdenum disulfide is 50nm, and specific surface area is 80m2/g。
Preferably, the lubricant for tube bending also includes defoamer, thickener, cosolvent.
The gross weight of the lubricant for tube bending is preferably based on, the content of the defoamer is 0.03%,
The defoamer is the fatty acid ester compounded thing of higher alcohols.
The gross weight of the lubricant for tube bending is preferably based on, the content of the thickener is 0.2%, institute
Thickener is stated for polyvinyl alcohol.
The gross weight of the lubricant for tube bending is preferably based on, the content of the cosolvent is 0.05%,
The cosolvent is sodium salicylate.
Specifically, the method for preparing lubricant for tube bending includes following operating procedure：By 1,2- ethohexadiols,
Castor oil, sebacate salt, sodium tungstate, Firebrake ZB, nano molybdenum disulfide, silester are sequentially added in hydrogenated base oil,
After the completion of charging, after stirring 35min, finished product.
Specifically, the lubricant application method for tube bending includes following operating procedure：Needing knee
Before the steel pipe of reason is fixed, lubricant uniformly will be coated on the inwall of the reversible deformation guided mode of bending apparatus and rear guided mode, then will
The steel pipe of bending process is needed to be fixed on guided mode.
Embodiment 3
A kind of lubricant for tube bending, is made up of the component of following parts by weight：52 parts of hydrogenated base oil, 1,2- ethohexadiols
8 parts, 15 parts of castor oil, 13 parts of sebacate salt, 2 parts of sodium tungstate, 0.8 part of Firebrake ZB, 3 parts of nano molybdenum disulfide, silicic acid second
8 parts of ester.
Preferably, the hydrogenated base oil is 220N hydrogenated base oils.
Preferably, the character of 1, the 2- ethohexadiols is colourless liquid, and water-soluble at 25 DEG C is 4g/L.
Preferably, the castor oil is that domestic effective content is 99.5% castor oil.
Preferably, the water content of the sebacate salt is 1.0%, and average grain diameter is 110 mesh.
Preferably, the average grain diameter of the nano molybdenum disulfide is 50nm, and specific surface area is 80m2/g。
Preferably, the lubricant for tube bending also includes defoamer, thickener, cosolvent.
The gross weight of the lubricant for tube bending is preferably based on, the content of the defoamer is 0.05%,
The defoamer is polyoxyethylene polyoxy propyl alcohol amidogen ether.
The gross weight of the lubricant for tube bending is preferably based on, the content of the thickener is 0.3%, institute
Thickener is stated for polyacrylamide.
The gross weight of the lubricant for tube bending is preferably based on, the content of the cosolvent is 0.06%,
The cosolvent is p-aminobenzoic acid.
Specifically, the method for preparing lubricant for tube bending includes following operating procedure：By 1,2- ethohexadiols,
Castor oil, sebacate salt, sodium tungstate, Firebrake ZB, nano molybdenum disulfide, silester are sequentially added in hydrogenated base oil,
After the completion of charging, after stirring 40min, finished product.
Specifically, the lubricant application method for tube bending includes following operating procedure：Needing knee
Before the steel pipe of reason is fixed, lubricant uniformly will be coated on the inwall of the reversible deformation guided mode of bending apparatus and rear guided mode, then will
The steel pipe of bending process is needed to be fixed on guided mode.
Comparative example 1
1,2- ethohexadiols, castor oil, sebacate salt component, remaining composition and the complete phase of embodiment 1 are not contained in lubricant
Together.
Comparative example 2
Sodium tungstate, Firebrake ZB, nano molybdenum disulfide, silester composition are not contained in lubricant, remaining composition and embodiment 2 are complete
It is exactly the same.
Control group
For commercially available molybdenum disulfide HIRI755 Great Wall lubricant.
Lubricant is made with the method provided in each embodiment and comparative example respectively, then with obtained lubricant and control
Lubricant in group is used for the tube bending experiment of phase same material, same model, and every group of test steels pipe quantity is 100, often
During secondary replacing lubricant, changed together with the reversible deformation guided mode and rear guided mode on bending machine, result of the test is as shown in table 1：
The action effect of the different lubricants of table 1
| Project | Yield rate/% | Reversible deformation guided mode abrasion condition | Guided mode abrasion condition afterwards |
| Embodiment 1 | 96 | Without abrasion | Without abrasion |
| Comparative example 1 | 88 | Without abrasion | Mild wear |
| Embodiment 2 | 98 | Without abrasion | Without abrasion |
| Comparative example 2 | 84 | Serious wear | Serious wear |
| Embodiment 3 | 98 | Without abrasion | Without abrasion |
| Control group | 83 | Serious wear | Serious wear |
As shown in Table 1, lubricant produced by the present invention, lubricant effect significantly, can effectively lift finished product during tube bending
Rate, and the guided mode that can be effectively protected on bending machine, extend its service life.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (9)
1. a kind of lubricant for tube bending, it is characterised in that be made up of the component of following parts by weight：Hydrogenated base oil
49-52 parts, 4-8 parts of 1,2- ethohexadiols, 10-15 parts of castor oil, 9-13 parts of sebacate salt, 1-2 parts of sodium tungstate, Firebrake ZB
0.6-0.8 parts, 1-3 parts of nano molybdenum disulfide, 6-8 parts of silester.
2. a kind of lubricant for tube bending according to claim 1, it is characterised in that the hydrogenated base oil
For any one in 150N hydrogenated base oils or 220N hydrogenated base oils.
3. a kind of lubricant for tube bending according to claim 1, it is characterised in that 1, the 2- ethohexadiols
Character be colourless liquid, water-soluble at 25 DEG C is 4g/L；The castor oil is that domestic effective content is 99.5% castor oil；Institute
The water content for stating sebacate salt is 1.0%, and average grain diameter is 110 mesh；The average grain diameter of the nano molybdenum disulfide is
50nm, specific surface area is 80m2/g。
4. a kind of lubricant for tube bending according to claim 1, it is characterised in that described curved for steel pipe
Bent lubricant also includes defoamer, thickener, cosolvent.
5. a kind of lubricant for tube bending according to claim 4, it is characterised in that be used for steel based on described
The gross weight of the lubricant of pipe bending, the content of the defoamer is 0.01-0.05%, and the defoamer is silicone emulsion, high-carbon
Any one in polyol fatty acid ester complexes, polyoxyethylene polyoxy propyl alcohol amidogen ether.
6. a kind of lubricant for tube bending according to claim 4, it is characterised in that be used for steel based on described
The gross weight of the lubricant of pipe bending, the content of the thickener is 0.1-0.3%, and the thickener is Sodium Polyacrylate, poly- second
Any one in enol, polyacrylamide.
7. a kind of lubricant for tube bending according to claim 4, it is characterised in that be used for steel based on described
The gross weight of the lubricant of pipe bending, the content of the cosolvent is 0.03-0.06%, and the cosolvent is sodium benzoate, bigcatkin willow
Any one in sour sodium, p-aminobenzoic acid.
8. a kind of lubricant for tube bending according to claim 1, it is characterised in that preparation method include with
Lower operating procedure：By 1,2- ethohexadiols, castor oil, sebacate salt, sodium tungstate, Firebrake ZB, nano molybdenum disulfide, silicic acid second
Ester is sequentially added in hydrogenated base oil, after the completion of charging, after stirring 30-40min, finished product.
9. a kind of lubricant for tube bending according to claim 1, it is characterised in that application method include with
Lower operating procedure：Before the steel pipe fixation of bending process is needed, by the inwall of the reversible deformation guided mode of bending apparatus and rear guided mode
Lubricant uniformly is coated, then the steel pipe for needing bending process is fixed on guided mode.
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| CN201710323944.6A CN107267260A (en) | 2017-05-10 | 2017-05-10 | A kind of lubricant for tube bending |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108192689A (en) * | 2017-12-07 | 2018-06-22 | 淮北市中芬矿山机器有限责任公司 | A kind of additive of abrasion resistant lubricating oil formula |
| CN115679195A (en) * | 2021-07-30 | 2023-02-03 | 宝山钢铁股份有限公司 | Seamless steel tube for automobile driving shaft and manufacturing method thereof |
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| CN115679195A (en) * | 2021-07-30 | 2023-02-03 | 宝山钢铁股份有限公司 | Seamless steel tube for automobile driving shaft and manufacturing method thereof |
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Application publication date: 20171020 |