CN118028046B - Graphite emulsion for lubrication in high-strength tungsten wire drawing process and preparation method thereof - Google Patents
Graphite emulsion for lubrication in high-strength tungsten wire drawing process and preparation method thereof Download PDFInfo
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- CN118028046B CN118028046B CN202410422648.1A CN202410422648A CN118028046B CN 118028046 B CN118028046 B CN 118028046B CN 202410422648 A CN202410422648 A CN 202410422648A CN 118028046 B CN118028046 B CN 118028046B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 134
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 132
- 239000010439 graphite Substances 0.000 title claims abstract description 132
- 239000000839 emulsion Substances 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000005461 lubrication Methods 0.000 title claims abstract description 43
- 238000005491 wire drawing Methods 0.000 title claims abstract description 40
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 238000000498 ball milling Methods 0.000 claims description 35
- 239000002245 particle Substances 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 25
- 238000001914 filtration Methods 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000008367 deionised water Substances 0.000 claims description 21
- 229910021641 deionized water Inorganic materials 0.000 claims description 21
- 239000011230 binding agent Substances 0.000 claims description 19
- 229920001296 polysiloxane Polymers 0.000 claims description 19
- 239000002270 dispersing agent Substances 0.000 claims description 18
- 239000003755 preservative agent Substances 0.000 claims description 16
- 230000002335 preservative effect Effects 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 14
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 13
- 239000006185 dispersion Substances 0.000 claims description 10
- 239000012065 filter cake Substances 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- JIHQDMXYYFUGFV-UHFFFAOYSA-N 1,3,5-triazine Chemical compound C1=NC=NC=N1 JIHQDMXYYFUGFV-UHFFFAOYSA-N 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 239000010937 tungsten Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000012797 qualification Methods 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 11
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 229920002545 silicone oil Polymers 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Abstract
The invention belongs to the technical field of deep processing of metal wires, and particularly relates to a graphite emulsion for lubrication in a high-strength tungsten wire drawing process and a preparation method thereof. The graphite emulsion greatly enhances the lubrication effect of the die and the wire, prolongs the service life of the die and improves the wiredrawing qualification rate of the wire.
Description
Technical Field
The invention belongs to the technical field of deep processing of metal wires, and particularly relates to a graphite emulsion for lubrication in a high-strength tungsten wire drawing process and a preparation method thereof.
Background
At present, the graphite emulsion lubricant used for tungsten wire drawing processing generally adopts water agent graphite emulsion. In the processing process, proper graphite emulsion is needed to ensure the adhesive force of the graphite emulsion, so that the lubricating protection effect on the die and the wire is achieved, the service life of the die is prolonged, and the tensile strength of the wire is improved. If the graphite emulsion is agglomerated and dispersed unevenly, the graphite particles are unevenly distributed, so that the lubrication of the wire is uneven, and the quality problems of bamboo joint wires, non-standard ovality and the like of the wire in the drawing process are caused; meanwhile, the graphite emulsion has low adhesive force, the lubrication of the wire is insufficient, uneven drawing of the wire is caused when the wire is drawn, and quality problems of wire breakage and poor straightness are caused. However, graphite emulsion is prepared in various ways in the market at present, and the lubricating effect of the graphite emulsion is uneven in the processing process, so that the qualification rate of the high-strength tungsten wire drawing processing is always at a lower level.
Disclosure of Invention
In order to solve the problems in the prior art, the main purpose of the invention is to provide a graphite emulsion for lubrication in a high-strength tungsten wire drawing process and a preparation method thereof.
In order to solve the technical problems, according to one aspect of the present invention, the following technical solutions are provided:
A graphite emulsion for lubrication in a high-strength tungsten wire drawing process comprises the following components in parts by weight: 8 to 18 parts of graphite particles, 1 to 5 parts of silicone master batch, 2 to 6 parts of preservative, 0.5 to 0.9 part of dispersing agent and 8 to 15 parts of binder.
As a preferable scheme of the graphite emulsion for lubrication in the high-strength tungsten wire drawing process, the invention comprises the following steps: the particle size of the graphite particles is 1-2 mu m, and the silicone master batch is prepared from 30wt% of siloxane (silicone oil) +50wt% of silicon dioxide+20 wt% of polyolefin.
As a preferable scheme of the graphite emulsion for lubrication in the high-strength tungsten wire drawing process, the invention comprises the following steps: the preservative is alkaline s-triazine.
As a preferable scheme of the graphite emulsion for lubrication in the high-strength tungsten wire drawing process, the invention comprises the following steps: the dispersing agent is polyvinyl alcohol.
As a preferable scheme of the graphite emulsion for lubrication in the high-strength tungsten wire drawing process, the invention comprises the following steps: the binder is polyethylene glycol.
In order to solve the above technical problems, according to another aspect of the present invention, the following technical solutions are provided:
the preparation method of the graphite emulsion for lubrication in the high-strength tungsten wire drawing process comprises the following steps:
S1, adding graphite particles, silicone master batches and a preservative into a stirrer according to a graphite emulsion formula, and adding deionized water to stir to obtain a graphite emulsion suspension;
S2, filtering the graphite emulsion suspension, dehydrating, pouring a filter cake on a filter screen into a ball mill for ball milling after filtering, pouring the ball-milled material into a high-energy mixer, and adding a dispersing agent, a binder and deionized water for mixing and dispersing;
S3, carrying out secondary filtration on the materials with dispersed materials, pouring a filter cake on a filter screen into a ball mill after filtration, carrying out secondary ball milling, pouring the materials after ball milling into a high-energy mixer, and adding deionized water to carry out secondary material mixing and dispersion to obtain graphite emulsion.
As a preferable scheme of the preparation method of the graphite emulsion for lubrication in the high-strength tungsten wire drawing process, the invention comprises the following steps: in the step S1, the stirring speed is 100r/min, and the stirring time is 15-20 h.
As a preferable scheme of the preparation method of the graphite emulsion for lubrication in the high-strength tungsten wire drawing process, the invention comprises the following steps: in the step S2, the ball milling rotating speed is 30-40 r/min, and the ball milling time is 2-3 h.
As a preferable scheme of the preparation method of the graphite emulsion for lubrication in the high-strength tungsten wire drawing process, the invention comprises the following steps: in the step S2, the rotation speed of a coulter of the high-energy mixer is 28-35 r/min, the rotation speed of a fly cutter is 2500-3000 r/min, and the mixing time is 2-3 h.
As a preferable scheme of the preparation method of the graphite emulsion for lubrication in the high-strength tungsten wire drawing process, the invention comprises the following steps: in the step S3, the ball milling rotating speed is 25-30 r/min, and the ball milling time is 1-2 h.
As a preferable scheme of the preparation method of the graphite emulsion for lubrication in the high-strength tungsten wire drawing process, the invention comprises the following steps: in the step S3, the rotation speed of the coulter of the high-energy mixer is 15-25 r/min, the rotation speed of the fly cutter is 1800-2300 r/min, and the mixing time is 2-3 h.
As a preferable scheme of the preparation method of the graphite emulsion for lubrication in the high-strength tungsten wire drawing process, the invention comprises the following steps: in the step S3, deionized water is added to adjust the pH value of the graphite emulsion to 9-11.
As a preferable scheme of the preparation method of the graphite emulsion for lubrication in the high-strength tungsten wire drawing process, the invention comprises the following steps: before using, the graphite emulsion is adjusted to have a specific gravity of 1.015-1.035 g/cm 3 by adding a binder and deionized water, and the specific gravity of the graphite emulsion is determined by sampling and detecting by a gravimeter.
The beneficial effects of the invention are as follows:
The invention provides a graphite emulsion for lubrication in a high-strength tungsten wire drawing process and a preparation method thereof. The graphite emulsion greatly enhances the lubrication effect of the die and the wire, prolongs the service life of the die and improves the wiredrawing qualification rate of the wire.
Detailed Description
The following description will be made clearly and fully with reference to the technical solutions in the embodiments, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a graphite emulsion for lubrication in a high-strength tungsten wire drawing process and a preparation method thereof, and the graphite emulsion has the following advantages:
(1) The silicone master batch in the graphite emulsion is used as a lubricant, so that the friction coefficient can be obviously reduced, the smoothness is improved, and the lubricity of graphite particles is activated; and the dispersibility of the graphite emulsion can be improved, and the graphite emulsion has good stability and non-migration.
(2) The graphite emulsion disclosed by the invention is uniformly dispersed, has excellent high-temperature coating property, is strong in adhesive force, does not fall off at 500-1200 ℃ and is not burnt, so that the wires are not oxidized; the qualification rate of the wire reaches 70-85%, the diameter of the wire ring is more than or equal to 60mm, and the ovality of the wire is less than or equal to 0.0002mm.
(3) The graphite emulsion has good lubricating effect on the die and the wire, and can prolong the service life of the die by 1-4 times.
According to one aspect of the invention, the invention provides the following technical scheme:
A graphite emulsion for lubrication in a high-strength tungsten wire drawing process comprises the following components in parts by weight: 8 to 18 parts of graphite particles, 1 to 5 parts of silicone master batch, 2 to 6 parts of preservative, 0.5 to 0.9 part of dispersing agent and 8 to 15 parts of binder.
The silicone master batch in the graphite emulsion is used as a lubricant, so that the friction coefficient can be obviously reduced, the smoothness is improved, and the lubricity of graphite particles is activated; and the dispersibility of the graphite emulsion can be improved, and the graphite emulsion has good stability and non-migration. The preservative provides an alkaline environment for the graphite emulsion and prevents spoilage of organic solvents such as thickeners and dispersants. The dispersing agent can uniformly disperse graphite particles in the emulsion. The binder increases the adhesion of the graphite emulsion.
Preferably, the graphite particles have a particle size of 1-2 μm and the silicone master batch is formulated with 30wt% siloxane (silicone oil) +50wt% silica+20 wt% polyolefin.
Preferably, the preservative is alkaline s-triazine, the dispersing agent is polyvinyl alcohol, and the binder is polyethylene glycol.
According to another aspect of the invention, the invention provides the following technical scheme:
the preparation method of the graphite emulsion for lubrication in the high-strength tungsten wire drawing process comprises the following steps:
S1, adding graphite particles, silicone master batches and a preservative into a stirrer according to a graphite emulsion formula, and adding deionized water to stir to obtain a graphite emulsion suspension;
S2, filtering the graphite emulsion suspension, dehydrating, pouring a filter cake on a filter screen into a ball mill for ball milling after filtering, pouring the ball-milled material into a high-energy mixer, and adding a dispersing agent, a binder and deionized water for mixing and dispersing;
S3, carrying out secondary filtration on the materials with dispersed materials, pouring a filter cake on a filter screen into a ball mill after filtration, carrying out secondary ball milling, pouring the materials after ball milling into a high-energy mixer, and adding deionized water to carry out secondary material mixing and dispersion to obtain graphite emulsion.
Preferably, in the step S1, the stirring speed is 100r/min, and the stirring time is 15-20 h, so that each component is uniformly dispersed, and the purposes of dispersing and debonding graphite particles are achieved.
Preferably, in the step S2, the ball milling rotating speed is 30-40 r/min, the ball milling time is 2-3 h, the particle size of graphite powder is further refined, and the quality of the product is improved.
Preferably, in the step S2, the rotation speed of the coulter of the high-energy mixer is 28-35 r/min, the rotation speed of the fly cutter is 2500-3000 r/min, and the mixing time is 2-3 h, so that the uniform dispersion of the graphite emulsion is realized.
Preferably, in the step S3, the ball milling rotating speed is 25-30 r/min, the ball milling time is 1-2 h, and graphite powder particles are further refined.
Preferably, in the step S3, the rotation speed of the coulter of the high-energy mixer is 15-25 r/min, the rotation speed of the fly cutter is 1800-2300 r/min, and the mixing time is 2-3 h, so that the uniform dispersion of the graphite emulsion is further realized.
Preferably, in the step S3, deionized water is added to adjust the pH of the graphite emulsion to 9-11, so that the graphite emulsion becomes alkaline, the dispersant and the binder are ensured not to spoil and deteriorate, and the optimal effect is exerted.
Preferably, the specific gravity of the graphite emulsion is adjusted to 1.015-1.035 g/cm 3 by adding a binder (such as polyethylene glycol) and deionized water before use, and the specific gravity of the graphite emulsion is determined by sampling and detecting with a densitometer.
The technical scheme of the invention is further described below by combining specific embodiments.
Example 1
A preparation method of a graphite emulsion for lubrication in a high-strength tungsten wire drawing process comprises the following steps of: 15 parts of graphite particles, 4 parts of silicone master batches, 5 parts of preservative, 0.8 part of dispersing agent and 12 parts of binder; the particle size of the graphite particles is 1-2 mu m, and the silicone master batch is prepared from 30wt% of siloxane (silicone oil) +50wt% of silicon dioxide+20 wt% of polyolefin; the preservative is alkaline s-triazine, the dispersing agent is polyvinyl alcohol, and the binder is polyethylene glycol. The method comprises the following steps:
s1, adding graphite particles, silicone master batches and a preservative into a stirrer according to a graphite emulsion formula, and adding deionized water to stir to obtain a graphite emulsion suspension; stirring speed is 100r/min, and stirring time is 15h;
S2, filtering the graphite emulsion suspension, dehydrating, pouring a filter cake on a filter screen into a ball mill for ball milling after filtering, pouring the ball-milled material into a high-energy mixer, and adding a dispersing agent, a binder and deionized water for mixing and dispersing; the ball milling rotating speed is 38r/min, and the ball milling time is 2h; the rotation speed of a coulter of the high-energy mixer is 30r/min, the rotation speed of a fly cutter is 2800r/min, and the mixing time is 2h;
S3, carrying out secondary filtration on the materials with dispersed materials, pouring a filter cake on a filter screen into a ball mill after filtration, carrying out secondary ball milling, pouring the materials after ball milling into a high-energy mixer, and adding deionized water to carry out secondary material mixing and dispersion to obtain graphite emulsion. The ball milling rotating speed is 30r/min, and the ball milling time is 1h; the rotation speed of the coulter of the high-energy mixer is 20r/min, the rotation speed of the fly cutter is 2000r/min, and the mixing time is 2h. Deionized water was added to adjust the pH of the graphite emulsion to 10.
The specific gravity of the graphite emulsion prepared in preparation example 1 was 1.015g/cm 3、1.021g/cm3、1.031g/cm3, respectively, for drawing 0.036mm wire, and the graphite emulsion of each specific gravity drawn 3 rolls of wire (10 km per roll), and the drawing effect of 9 rolls of the sample was as shown in the following table, and it was found that the 9 rolls of the sample had a wire loop diameter of more than 60mm, an ovality of less than 0.0002mm, and no broken wire.
Example 2
The difference from example 1 is that the graphite emulsion for lubrication in the high-strength tungsten wire drawing process comprises the following components in parts by weight: 8 parts of graphite particles, 1 part of silicone master batch, 6 parts of preservative, 0.9 part of dispersing agent and 15 parts of binder.
The graphite emulsion prepared in this example was prepared to have a specific gravity of 1.015g/cm 3 for drawing 0.033mm wire, and a single die was capable of being drawn to 800km, and abrasion occurred after 8.5 days of die use.
Example 3
The difference from example 1 is that the graphite emulsion for lubrication in the high-strength tungsten wire drawing process comprises the following components in parts by weight: 18 parts of graphite particles, 5 parts of silicone master batch, 2 parts of preservative, 0.5 part of dispersing agent and 8 parts of binder.
The graphite emulsion prepared in preparation example 3 had a specific gravity of 1.015g/cm 3, was used for drawing a wire of 0.033mm, and was drawn 3 rolls (10 km per roll), and the drawing effect of 3 rolls of the sample was as shown in the following table, and the wire diameters of the 3 rolls of the sample were all less than 60mm, ovality was less than 0.0002mm, and no broken wire was found.
Comparative example 1
The difference from example 1 is that the graphite emulsion for lubrication in the high-strength tungsten wire drawing process does not contain silicone master batch.
The graphite emulsion prepared in comparative example 1 was prepared to have specific gravities of 1.021g/cm 3, respectively, for drawing 0.036mm wire, drawing 3 rolls of wire (10 km per roll), the wire diameters of 3 rolls of samples were all less than 60mm, ovality was more than 0.0002mm, and wire breakage was 1 time. The graphite emulsion prepared by the silicone master batch is insufficient in lubricity, the drawing unevenness occurs when the wire is drawn, the abrasion of a die is faster, the deviation of the wire diameter is large, and the wire breakage phenomenon occurs.
Comparative example 2
The difference from example 2 is that no secondary filtration-secondary ball milling-secondary high energy mix dispersion was performed.
The specific gravity of the graphite emulsion prepared in the comparative example is 1.015g/cm 3, and the graphite emulsion is used for drawing a wire with the thickness of 0.033mm, and a single die can only be drawn to 300km, so that the die is worn after being used for 4 days.
Comparative example 3
The difference from example 3 is that no secondary filtration was performed.
The graphite emulsion prepared in comparative example 3 was prepared to have a specific gravity of 1.015g/cm 3 for drawing a wire of 0.033mm, drawing 3 rolls of the wire together (10 km per roll), and drawing effects of 3 rolls of the sample were as shown in the following table, and it can be seen that the wire diameters of the 3 rolls of the sample were all less than 60mm, ovality was more than 0.0002mm, and the broken wire was 3 times, indicating that graphite particles in the graphite emulsion which was not subjected to secondary filtration were uneven, fine impurities were present, resulting in poor lubricity and uniformity of the graphite emulsion, and insufficient lubrication of the wire.
Comparative example 4
The difference from example 3 is that no secondary ball milling was performed.
The graphite emulsion prepared in comparative example 4 was prepared to have a specific gravity of 1.015g/cm 3, and was used for drawing a wire of 0.033mm, drawing 3 rolls of wire (10 km per roll), and drawing effects of 3 rolls of samples were as shown in the following table, and it was found that the wire diameters of the 3 rolls of samples were all less than 60mm, ovality was more than 0.0002mm, and the breakage was 7 times, indicating that graphite particles in the graphite emulsion, which was not subjected to secondary ball milling, were not sufficiently refined, resulting in insufficient lubricity of the graphite emulsion, insufficient lubrication when passing the wire through a die, and generation of slub yarns, and frequent breakage.
Comparative example 5
The difference from example 3 is that no secondary high energy batch dispersion is performed.
The graphite emulsion prepared in comparative example 5 was prepared to have a specific gravity of 1.015g/cm 3 for drawing a wire of 0.033mm, drawing 3 rolls of the wire together (10 km per roll), and drawing effects of 3 rolls of the sample were as shown in the following table, and it was found that the wire diameters of the 3 rolls of the sample were all less than 60mm, ovality was more than 0.0002mm, and the broken wires were 4 times, indicating that graphite particles in the graphite emulsion, which was not subjected to secondary high-energy mixing dispersion, were not sufficiently dispersed, resulting in insufficient uniformity of the graphite emulsion, and unstable lubrication of the wire.
From the above examples and comparative examples, the invention achieves the effect of uniformly mixing and dispersing graphite emulsion by controlling the composition of the graphite emulsion, and stirring, filtering, ball milling, high-energy mixing and dispersing, secondary filtering, secondary ball milling and secondary high-energy mixing and dispersing the raw materials of the graphite emulsion. The graphite emulsion greatly enhances the lubrication effect of the die and the wire, prolongs the service life of the die and improves the wiredrawing qualification rate of the wire.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the content of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (9)
1. The graphite emulsion for lubrication in the high-strength tungsten wire drawing process is characterized by comprising the following components in parts by weight: 8 to 18 parts of graphite particles, 1 to 5 parts of silicone master batch, 2 to 6 parts of preservative, 0.5 to 0.9 part of dispersing agent and 8 to 15 parts of binder; the silicone masterbatch is formulated with 30wt% siloxane +50wt% silica +20wt% polyolefin;
The preparation method of the graphite emulsion for lubrication in the high-strength tungsten wire drawing process comprises the following steps:
S1, adding graphite particles, silicone master batches and a preservative into a stirrer according to a graphite emulsion formula, and adding deionized water to stir to obtain a graphite emulsion suspension;
S2, filtering the graphite emulsion suspension, dehydrating, pouring a filter cake on a filter screen into a ball mill for ball milling after filtering, pouring the ball-milled material into a high-energy mixer, and adding a dispersing agent, a binder and deionized water for mixing and dispersing;
S3, carrying out secondary filtration on the materials with dispersed materials, pouring a filter cake on a filter screen into a ball mill after filtration, carrying out secondary ball milling, pouring the materials after ball milling into a high-energy mixer, and adding deionized water to carry out secondary material mixing and dispersion to obtain graphite emulsion.
2. The graphite emulsion for lubrication in a high-strength tungsten wire drawing process according to claim 1, wherein the graphite particles have a particle size of 1 to 2 μm.
3. The high strength tungsten wire drawing process lubricating graphite emulsion of claim 1 wherein the preservative is an alkaline s-triazine.
4. The graphite emulsion for lubrication in the process of drawing high-strength tungsten wires according to claim 1, wherein the dispersing agent is polyvinyl alcohol and the binder is polyethylene glycol.
5. A method for preparing a graphite emulsion for lubrication in a high-strength tungsten wire drawing process according to any one of claims 1 to 4, comprising the steps of:
S1, adding graphite particles, silicone master batches and a preservative into a stirrer according to a graphite emulsion formula, and adding deionized water to stir to obtain a graphite emulsion suspension;
S2, filtering the graphite emulsion suspension, dehydrating, pouring a filter cake on a filter screen into a ball mill for ball milling after filtering, pouring the ball-milled material into a high-energy mixer, and adding a dispersing agent, a binder and deionized water for mixing and dispersing;
S3, carrying out secondary filtration on the materials with dispersed materials, pouring a filter cake on a filter screen into a ball mill after filtration, carrying out secondary ball milling, pouring the materials after ball milling into a high-energy mixer, and adding deionized water to carry out secondary material mixing and dispersion to obtain graphite emulsion.
6. The method for preparing a graphite emulsion for lubrication in a high-strength tungsten wire drawing process according to claim 5, wherein in the step S1, the stirring speed is 100r/min, and the stirring time is 15-20 h.
7. The method for preparing the graphite emulsion for lubrication in the high-strength tungsten wire drawing process according to claim 5, wherein in the step S2, the ball milling rotating speed is 30-40 r/min, and the ball milling time is 2-3 h; the rotation speed of the coulter of the high-energy mixer is 28-35 r/min, the rotation speed of the fly cutter is 2500-3000 r/min, and the mixing time is 2-3 h.
8. The method for preparing the graphite emulsion for lubrication in the high-strength tungsten wire drawing process according to claim 5, wherein in the step S3, the ball milling rotating speed is 25-30 r/min, and the ball milling time is 1-2 h; the rotation speed of the coulter of the high-energy mixer is 15-25 r/min, the rotation speed of the fly cutter is 1800-2300 r/min, and the mixing time is 2-3 h.
9. The method for preparing a graphite emulsion for lubrication in a high-strength tungsten wire drawing process according to claim 5, wherein deionized water is added in the step S3 to adjust the pH of the graphite emulsion to 9-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410422648.1A CN118028046B (en) | 2024-04-09 | Graphite emulsion for lubrication in high-strength tungsten wire drawing process and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410422648.1A CN118028046B (en) | 2024-04-09 | Graphite emulsion for lubrication in high-strength tungsten wire drawing process and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN118028046A CN118028046A (en) | 2024-05-14 |
| CN118028046B true CN118028046B (en) | 2024-07-16 |
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| CN116925839A (en) * | 2023-07-28 | 2023-10-24 | 浙江创特新材科技有限公司 | Preparation method of wiredrawing graphite emulsion for high-strength fine tungsten filament |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111167997A (en) * | 2019-12-31 | 2020-05-19 | 南京信息工程大学 | Aluminum alloy water-based casting coating and preparation method thereof |
| CN111635541A (en) * | 2020-05-21 | 2020-09-08 | 常州可赛成功塑胶材料有限公司 | Preparation method of low-VOC silicone lubricating master batch for polyolefin composite material |
| CN113024948A (en) * | 2021-03-10 | 2021-06-25 | 重庆嘉良塑胶制品有限责任公司 | Aluminum silver strip master batch and preparation method and application thereof |
| CN116925839A (en) * | 2023-07-28 | 2023-10-24 | 浙江创特新材科技有限公司 | Preparation method of wiredrawing graphite emulsion for high-strength fine tungsten filament |
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