CN111411375A - Diamond wire sanding method capable of adjusting rotating magnetic field - Google Patents
Diamond wire sanding method capable of adjusting rotating magnetic field Download PDFInfo
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- CN111411375A CN111411375A CN202010447109.5A CN202010447109A CN111411375A CN 111411375 A CN111411375 A CN 111411375A CN 202010447109 A CN202010447109 A CN 202010447109A CN 111411375 A CN111411375 A CN 111411375A
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- diamond wire
- direct current
- magnetic field
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- diamond
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/12—Process control or regulation
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/06—Wires; Strips; Foils
- C25D7/0607—Wires
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Automation & Control Theory (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention relates to a diamond wire sanding method capable of adjusting a rotating magnetic field, which comprises the following steps: cleaning the surface of the diamond wire; preparing a plating solution; putting the plating solution into an upper sand tank, wherein a titanium basket with a nickel ball and diamond particles are arranged in an upper sand cylinder, and the titanium basket with the nickel ball is connected to a direct current anode; connecting a diamond wire to a direct current cathode; the single-phase speed regulating motor drives the adjustable direct current electromagnet to rotate through the electromagnet mounting seat to form a rotating magnetic field; the diamond particles and nickel ions are combined on the surface of the diamond wire under the action of radial current; and adjusting the voltage of the direct current stabilized power supply between 0V and 24V according to the sand effect on the diamond wire. According to the method for sanding the diamond wire, the voltage of the direct current stabilized power supply is adjusted between 0V and 24V according to the sanding effect on the diamond wire, the current regulation of direct current electromagnetism is realized, and the magnetic force of a magnetic field is indirectly controlled, so that the radial current generated in the plating solution can be adjusted, and the sanding effect on the diamond wire can be more accurately adjusted.
Description
Technical Field
The invention relates to a method for sanding a diamond wire with an adjustable rotating magnetic field, and belongs to the technical field of diamond wire cutting.
Background
The diamond wire is a cutting raw material of materials such as photovoltaic materials, sapphire materials, magnetic materials and the like, and the key for producing the diamond wire is to ensure the density stability of the diamond wire plating sand.
The upper port of the common sand feeding cylinder is provided with a rotating magnetic field generating device which is used for generating a magnetic field rotating around the central shaft of the sand feeding cylinder, and magnetic lines of force can cut plating solution in the sand feeding cylinder when the magnetic field rotates, so that radial current is generated in the plating solution, and diamond particles treated by positive ions and nickel ions are combined on the diamond wires together.
In practical production application, the magnetic field intensity in the diamond wire feeding cylinder is different due to different permanent magnets on the market, the radial current generated by the rotation of the magnetic field is uncontrollable, and the influence on the radial current is small by adjusting the rotating speed of a rotating magnetic field motor, so that the diamond wire feeding effect is unstable, and the qualified rate of the diamond wire feeding can not be controlled.
Disclosure of Invention
The invention aims to solve the defects that the magnetic field strength in the sand feeding cylinder is different and the radial current cannot be controlled in the prior art, and provides a diamond wire sand feeding method capable of adjusting the rotating magnetic field, wherein the radial current is adjustable, and the sand feeding effect of the diamond wire is controllable.
The invention is realized by the following technical scheme:
a diamond wire sanding method capable of adjusting a rotating magnetic field is characterized by comprising the following steps:
⑴, cleaning the surface of the diamond wire;
⑵, preparing a plating solution, and putting metallic nickel of the nickel element in the supplementary solution into the plating tank;
⑶, putting the plating solution into a sand feeding tank, and inputting the power of the plating solution into a sand feeding cylinder, wherein the sand feeding cylinder is internally provided with a titanium basket with a nickel ball and diamond particles, and the titanium basket with the nickel ball is connected to a direct current anode;
⑷, penetrating a diamond wire from the center of the lower end of the upper sand cylinder, and connecting the diamond wire to a direct current cathode;
⑸, fixing the adjustable DC electromagnet under the sand feeding cylinder through the electromagnet mounting seat, and driving the adjustable DC electromagnet to rotate through the electromagnet mounting seat by the single-phase speed regulating motor to form a rotating magnetic field;
⑹, cutting the plating solution in the upper sand cylinder by magnetic lines to generate radial current, and bonding the diamond particles and nickel ions on the surface of the diamond wire under the action of the radial current;
⑺, adjusting the voltage of the DC stabilized power supply between 0V and 24V according to the sand effect on the diamond wire.
Preferably, in the step ⑴, the diamond wire cleaning steps are, in order, pre-alkali cleaning, heating cleaning, degreasing cleaning and activating cleaning.
Preferably, in the degreasing and cleaning step, alkali is added and the mixture is heated to 40-50 ℃.
Preferably, in the step ⑵, the plating solution is formed by mixing nickel chloride, boric acid, nickel sulfamate and water.
Preferably, in step ⑶, the diamond particles are dosed at 30 grammes per liter of plating solution.
Preferably, in step ⑸, the number of the adjustable dc electromagnets is 4, the adjustable dc electromagnets are radially and symmetrically arranged, magnetic poles of adjacent ends of the adjustable dc electromagnets are the same, and magnetic poles of inner ends of adjacent adjustable dc electromagnets are opposite.
Preferably, in the step ⑸, the adjustable dc electromagnet cable is connected to an input end of an electrical slip ring, an output end of the electrical slip ring is connected to an electromagnet controller, an outer ring connection end of the electrical slip ring is connected to an electromagnet mounting seat, the electrical slip ring is rotatable together with the electromagnet mounting seat, and an inner ring of the electrical slip ring is fixed to an outer wall of the sand feeding barrel.
The method for sanding the diamond wire with the adjustable rotating magnetic field has at least the following technical effects:
1. according to the method for sanding the diamond wire, the voltage of the direct current stabilized power supply is adjusted between 0V and 24V according to the sanding effect on the diamond wire, the current regulation of direct current electromagnetism is realized, and the magnetic force of a magnetic field is indirectly controlled, so that the radial current generated in the plating solution can be adjusted, and the sanding effect on the diamond wire can be more accurately adjusted.
2. According to the method for sanding the diamond wire, the adjustable direct current electromagnet is in transitional connection with the electromagnet mounting seat through the electric slip ring, so that the cable can be prevented from rotating and knotting, and the stability of magnetic field operation is guaranteed.
Drawings
FIG. 1: the invention discloses a schematic diagram of a connection structure of an electromagnet mounting seat and a sand feeding cylinder;
in the figure: 1-electromagnet mounting base; 2-adjustable direct current electromagnet; 3-electric slip ring.
Detailed Description
The following description of the present invention will be made with reference to the accompanying drawings for further explanation of the structure of the present invention.
Example 1
The embodiment of the invention provides a diamond wire sanding method capable of adjusting a rotating magnetic field, which comprises the following steps:
and S1, performing surface cleaning on the diamond wire.
The surface cleaning of the diamond wire comprises the physical and mechanical removal of surface impurities and the subsequent chemical cleaning such as pre-alkali cleaning, heating cleaning, degreasing cleaning, activating cleaning and the like.
And removing rust on the surface of the diamond wire by adopting an electrolytic method in the pre-alkaline washing operation. The pre-alkali washing operation can activate the surface of the wire rod and improve the binding force of the diamond wire coating.
In the degreasing and cleaning operation, alkali is added and the mixture is heated to 40-50 ℃.
S2, preparing a plating solution, and putting metallic nickel of the nickel element in the supplementary solution into a plating tank;
the plating solution is formed by mixing nickel chloride, boric acid, nickel sulfamate and water, and the metal nickel in the plating tank can supplement nickel element for the plating solution.
And S3, putting the plating solution into an upper sand tank, inputting the plating solution into an upper sand cylinder through a water pump, wherein a titanium basket with nickel balls is arranged in the upper sand cylinder, and the titanium basket with the nickel balls is connected to the direct current anode. And then adding diamond particles, preferably, the diamond particles are added according to 30 gra per liter of plating solution.
The specific working mode of the titanium basket with the nickel balls is as follows: the titanium basket is connected with the anode of the rectifier, the titanium basket is contacted with the nickel ball to realize electric conduction, the diamond wire is contacted with the rigid wheel, and the rigid wheel is connected with the cathode of the rectifier through a shaft, so that the nickel ball in the titanium basket decomposes nickel cations, and the lower part of the diamond wire is in a cathode state. The nickel cations in the titanium basket and the nickel ball are most abundant, the electrochemical reaction is most active, and the carborundum is in close contact with the titanium basket and the nickel ball, so that the carborundum has a better electroplating effect, and the carborundum plating efficiency and the carborundum plating stability on the diamond wire are improved conveniently.
And S4, penetrating a diamond wire from the center of the lower end of the upper sand cylinder, and connecting the diamond wire to a direct current cathode.
And S5, fixing the adjustable direct current electromagnet below the upper sand cylinder through the electromagnet mounting seat, and driving the adjustable direct current electromagnet to rotate through the electromagnet mounting seat by the single-phase speed regulating motor to form a rotating magnetic field.
Specifically, the number of the adjustable direct current electromagnets is 4, the adjustable direct current electromagnets are radially and symmetrically arranged, magnetic poles of adjacent ends of the adjustable direct current electromagnets are the same, and magnetic poles of inner side ends of the adjacent adjustable direct current electromagnets are opposite.
The adjustable direct current electromagnet 2 cable is connected to the input end of the electric slip ring 3, the output end of the electric slip ring 3 is connected with the electromagnet controller, the outer ring connecting end of the electric slip ring 3 is connected with the electromagnet mounting seat 1, the electric slip ring 3 can rotate together with the electromagnet mounting seat 1, the inner ring of the electric slip ring 3 is fixed on the outer wall of the upper sand cylinder, and the electric slip ring 3 plays a role in transition and switching on the adjustable direct current electromagnet 2 to prevent the cable from rotating and knotting.
And S6, cutting the plating solution in the upper sand cylinder by magnetic lines to generate radial current in the plating solution, and combining the diamond particles and nickel ions on the surface of the diamond wire under the action of the radial current.
S7, according to the sanding effect of the diamond wire, the voltage of the direct current stabilized power supply is adjusted between 0V and 24V, the value of the voltage of the direct current stabilized power supply is adjustable, the current regulation and control of direct current electromagnetism are achieved, the magnetic force of a magnetic field is indirectly controlled, therefore, the radial current generated in the plating solution is adjustable, and the sanding effect of the diamond wire can be adjusted more accurately.
In the process of sanding diamond wires, diamond wire is deposited at the bottom of a sanding cylinder under the action of gravity, a magnetic field rotating around the central shaft of the sanding cylinder is generated after the rotary adjustable direct current electromagnet works, magnetic lines of force are suitable for cutting plating solution in the sanding cylinder when the magnetic field rotates, radial current is generated in the plating solution, and the diamond particles subjected to cation treatment are combined with nickel ions and then approach to a cathode diamond wire at the center. Meanwhile, the bottom of the upper sand cylinder continuously washes the plating solution upwards, and the carborundum at the bottom of the upper sand cylinder is impacted by the plating solution and is in an upwards suspension state.
The diamond wires penetrate upwards from the bottom of the upper sand cylinder at a uniform speed, and the diamond wires are gradually reduced in speed after being impacted by the electroplating solution from the bottom of the upper sand cylinder, slowly fall back and then are impacted by the electroplating solution. Because the flow velocity of the electroplating solution at the bottom of the upper sand cylinder is higher, the carborundum cannot be adsorbed with the diamond wire at the bottom of the upper sand cylinder. After the diamond grains are flushed, the position where the relative speeds of the diamond grains and the diamond wires are consistent is the optimal sanding area of the diamond wires. Therefore, the voltage of the direct current stabilized power supply is adjusted between 0V and 24V, the magnetic force in the magnetic field is adjusted, the radial current is indirectly adjusted and controlled, the lifting speed of diamond grains is matched with the production speed of diamond wires, the diamond grains and the production speed are combined in the optimal sanding area, and a better sanding effect of the diamond wires is obtained.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
Claims (7)
1. A diamond wire sanding method capable of adjusting a rotating magnetic field is characterized by comprising the following steps: the method comprises the following steps:
⑴, cleaning the surface of the diamond wire;
⑵, preparing a plating solution, and putting metallic nickel of the nickel element in the supplementary solution into the plating tank;
⑶, putting the plating solution into a sand feeding tank, and inputting the power of the plating solution into a sand feeding cylinder, wherein the sand feeding cylinder is internally provided with a titanium basket with a nickel ball and diamond particles, and the titanium basket with the nickel ball is connected to a direct current anode;
⑷, penetrating a diamond wire from the center of the lower end of the upper sand cylinder, and connecting the diamond wire to a direct current cathode;
⑸, fixing the adjustable DC electromagnet under the sand feeding cylinder through the electromagnet mounting seat, and driving the adjustable DC electromagnet to rotate through the electromagnet mounting seat by the single-phase speed regulating motor to form a rotating magnetic field;
⑹, cutting the plating solution in the upper sand cylinder by magnetic lines to generate radial current, and bonding the diamond particles and nickel ions on the surface of the diamond wire under the action of the radial current;
⑺, adjusting the voltage of the DC stabilized power supply between 0V and 24V according to the sand effect on the diamond wire.
2. The method for sanding diamond wire with adjustable rotating magnetic field according to claim 1, wherein in step ⑴, the cleaning steps of the diamond wire sequentially comprise pre-alkali cleaning, heating cleaning, degreasing cleaning and activating cleaning.
3. The method for sanding diamond wire with adjustable rotating magnetic field according to claim 2, wherein: in the degreasing and cleaning step, adding alkali and heating to 40-50 ℃.
4. The method of claim 1, wherein in step ⑵, the plating solution is formed by mixing nickel chloride, boric acid, nickel sulfamate and water.
5. The method of claim 1, wherein in step ⑶, diamond particles are added at a rate of 30 gram per liter of bath.
6. The method for sanding diamond wire with adjustable rotating magnetic field according to claim 1, wherein in the step ⑸, the number of the adjustable direct current electromagnets is 4, the adjustable direct current electromagnets are radially and symmetrically arranged, the magnetic poles of the adjacent ends of the adjustable direct current electromagnets are the same, and the magnetic poles of the inner side ends of the adjacent adjustable direct current electromagnets are opposite.
7. A method as claimed in claim 1 or 6, wherein in the step ⑸, the adjustable DC electromagnet cable is connected to the input end of an electric slip ring, the output end of the electric slip ring is connected to an electromagnet controller, the outer ring connecting end of the electric slip ring is connected to an electromagnet mounting seat, the electric slip ring can rotate together with the electromagnet mounting seat, and the inner ring of the electric slip ring is fixed on the outer wall of the sand feeding cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010447109.5A CN111411375A (en) | 2020-05-25 | 2020-05-25 | Diamond wire sanding method capable of adjusting rotating magnetic field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010447109.5A CN111411375A (en) | 2020-05-25 | 2020-05-25 | Diamond wire sanding method capable of adjusting rotating magnetic field |
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| CN111411375A true CN111411375A (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010447109.5A Pending CN111411375A (en) | 2020-05-25 | 2020-05-25 | Diamond wire sanding method capable of adjusting rotating magnetic field |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638034A (en) * | 2021-08-18 | 2021-11-12 | 洛阳吉瓦新材料科技有限公司 | Adjusting device and adjusting method for adjusting edge-cutting rate of electroplating diamond wire |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223130A (en) * | 2010-04-16 | 2011-10-19 | 东北大学 | Electromagnetic speed-regulation driving system |
| CN103055749A (en) * | 2012-12-21 | 2013-04-24 | 淮南联合大学 | Portable electromagnetic direct driven magnetic stirrer |
| CN203123916U (en) * | 2012-12-21 | 2013-08-14 | 淮南联合大学 | Electromagnet-driven magnetic force stirrer |
| CN104099656A (en) * | 2013-05-09 | 2014-10-15 | 吴红平 | Method for producing diamond wire by using production apparatus for diamond wire |
| CN107900791A (en) * | 2017-12-01 | 2018-04-13 | 河南伯特利知识产权服务有限公司 | Optical fiber prefabricating mandril burnishing device |
-
2020
- 2020-05-25 CN CN202010447109.5A patent/CN111411375A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223130A (en) * | 2010-04-16 | 2011-10-19 | 东北大学 | Electromagnetic speed-regulation driving system |
| CN103055749A (en) * | 2012-12-21 | 2013-04-24 | 淮南联合大学 | Portable electromagnetic direct driven magnetic stirrer |
| CN203123916U (en) * | 2012-12-21 | 2013-08-14 | 淮南联合大学 | Electromagnet-driven magnetic force stirrer |
| CN104099656A (en) * | 2013-05-09 | 2014-10-15 | 吴红平 | Method for producing diamond wire by using production apparatus for diamond wire |
| CN107900791A (en) * | 2017-12-01 | 2018-04-13 | 河南伯特利知识产权服务有限公司 | Optical fiber prefabricating mandril burnishing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638034A (en) * | 2021-08-18 | 2021-11-12 | 洛阳吉瓦新材料科技有限公司 | Adjusting device and adjusting method for adjusting edge-cutting rate of electroplating diamond wire |
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Application publication date: 20200714 |