CN108818336A - A kind of tungsten electrode grinding wheel for grinding and preparation method thereof - Google Patents
A kind of tungsten electrode grinding wheel for grinding and preparation method thereof Download PDFInfo
- Publication number
- CN108818336A CN108818336A CN201810964123.5A CN201810964123A CN108818336A CN 108818336 A CN108818336 A CN 108818336A CN 201810964123 A CN201810964123 A CN 201810964123A CN 108818336 A CN108818336 A CN 108818336A
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- Prior art keywords
- grinding wheel
- grinding
- polishing
- fixed ring
- coating
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/18—Wheels of special form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0018—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by electrolytic deposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
- B24D3/10—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements for porous or cellular structure, e.g. for use with diamonds as abrasives
Abstract
The invention discloses a kind of tungsten electrode grinding wheel for grinding and preparation method thereof,Including fixed ring,The middle part of fixed ring is equipped with output end fixation hole,Fixed connecting plate is fixedly connected on the outside of fixed ring,And polishing external disk is fixedly connected on the outside of fixed connecting plate,The Nano diamond particle that 5-10% is added in coating makes coating have high dispersion-strengtherning ability and micro-cutting power,Better supporting role is played to diamond abrasive grain,To which the service life of grinding wheel coating greatly improved,Due to coating high hardness and wearability,Practicable dry abrasive cutting,Continuous work is up to more than 3000 pieces of tungsten needles,It avoids common aluminium oxide and quartzy grinding wheel must water cooling,And every mill 40-50 the drawbacks of must only repairing grinding wheel,The grinding quality of tungsten needle is significantly improved,The effective coating of the grinding wheel is after use,Coating can be removed,Continue that new diamond coatings are electroplated on former stainless steel base,It realizes and repeatedly utilizes,Save valuable material and wheel body processing charges,Reduce comprehensive grinding cost.
Description
Technical field：
The present invention relates to grinding wheel technical field, in particular to a kind of tungsten electrode grinding wheel for grinding and preparation method thereof.
Background technique：
Tungsten electrode is the electrode made of tungsten material, due to the particularity of tungsten material, keeps the arc starting performance of electrode more preferable, arc
The stability of column is higher, and electrode erosion rate is smaller.Flat stainless steel electrode is commonly used in Medical high-frequency procedures electrode.But due to
Cutter head width is blunt, and fusing point is low, causes notch thermal damage big, and not finely, smog is big, is unable to satisfy accurate operation；Thus a new generation is first
Into minimally invasive electrode use acicular high-melting-point high rigidity height polishing tungsten electrode, tip curvature radius is at 10-10 μm, finally
Roughness may be implemented and low-power, small thermal injury zone, fine cut, the efficient advantage of blood coagulation at 0.4 μm.But core
The tip grinding process of tungsten bar material (diameter only has 0.7-1mm) becomes important technology problem.In the process of tungsten electrode,
It needs to polish using abrasive machine, the polishing of abrasive machine relies primarily on grinding wheel, therefore in tungsten electrode processing, grinding wheel
Ask higher, existing grinding wheel can not improve the precision that grinding wheel uses, can not make to grind by that can not improve abrasive wheel forming quality
Has high hardness while expecting sharp, and existing grinding wheel does not have good heat resistance and certain toughness, in process
In, keep its polishing scratch thicker, is not easy to keep polishing surface more smooth, the service life of grinding wheel can not be extended, can not be shortened
The replacement cycle of grinding wheel, and common quartz and aluminium oxide resin wheel, there are drawback, grinding wheel, height friction are frequently repaired in height loss
Hot necessary water cooling, tungsten needle surface quality is not high, and surface chews sometimes, tip splitting.And use general skive because of grain
Degree is thick, coating is weak cannot still meet the requirements, and tungsten electrode surface polishing scratch is thick and easy damaged.Thus urgently develop a kind of new medical tungsten
The dedicated abrasive grinding wheel of pin electrode and preparation method.
Summary of the invention：
The object of the invention is that providing a kind of tungsten electrode grinding wheel for grinding and its preparation to solve the above-mentioned problems
Method solves the problems, such as of the existing technology.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions：
A kind of tungsten electrode grinding wheel for grinding, including fixed ring, the middle part of the fixed ring is equipped with output end fixation hole, described
It is fixedly connected with fixed connecting plate on the outside of fixed ring, and is fixedly connected with polishing external disk on the outside of the fixed connecting plate, and
The polishing external disk is made of polishing fixed ring and diamond composite deposite, and polishing is fixedly connected on the outside of the fixed connecting plate
Fixed ring forms tongue and groove, and is coated with diamond on the outside of the polishing fixed ring between polishing fixed ring and the fixed ring
The outside of composite deposite, the polishing external disk is equipped with polishing cambered surface.
Preferably, the polishing cambered surface is convex structure, and the radius of the polishing cambered surface is 85 millimeters.
Preferably, the diamond composite deposite is made of Ni, Co and W, and the inside of the diamond composite deposite
Enhance particle and diamond abrasive grain added with Nano diamond.
Preferably, there is antioxidant coating on the outside of the diamond composite deposite, the antioxidant coating with a thickness of
1mm。
Preferably, the fixed ring, polishing external disk and fixed connecting plate are made of steel alloy.
Preferably, the diameter of the polishing external disk is 280cm.
The preparation method of tungsten electrode grinding wheel for grinding, includes the following steps：
(1), select steel alloy as the abrasive material of grinding wheel wheel, by its clamping on fixing tool；
(2), formula is formulated, and engineer need to be required according to grinding according to process requirements to distribute the ratio of each ingredient in grinding wheel
Example, finally provides formula with stochiometric form, and a certain proportion of nano material and tungsten material are added in abrasive material, and diamond
Granularity is controlled in 600-800 mesh, and 5-10% Nano diamond abrasive material and plating alloy is added and is adjusted by original Ni-Co alloy
For Ni-Co-W ternary-alloy material；
(3), ingredient mixing weighs each Ingredients Weight according to formula, by them sequentially and operation require mixing
Together, it is desirable that be uniformly mixed, no precipitating；
(4), electroforming, when plating, coated metal does anode, is oxidized to positive particle and enters electroplate liquid；Gold to be plated
Metal products do cathode, and the positive particle of coated metal is reduced to form coating in metal surface, for the interference for excluding other positive particles,
And coating is made uniformly, securely electroplate liquid need to be done with the solution of the particle of sun containing coated metal, to keep the dense of coated metal sun particle
Spend constant, the purpose of plating is that the coat of metal is plated on substrate, changes substrate surface property or size；
(5), sintering curing, grinding wheel is just after one-step forming, and in fact and shaky, curing molding, need to not be put into baking oven and dry
Regular hour and temperature is arranged in roasting curing molding, and after heating constant temperature is cooling, solidification is completed；
(6), it post-processes, is that grinding wheel blank by lathe grinding machine, is processed into the dimensional accuracy of technique requirement, makes shape
It is more beautiful, reach technique requirement；
(7), it examines, it is ensured that grinding wheel quality meets national standard, and when detection, it is small to visually observe surface roughness, uses grinding wheel
Oilstone or marble etc. are ground, is not peeled, not drop, coating diamond distribution is uniform, visually observes and rises without obvious nickel hump, uses hand
The feel that rubs is more smooth, and observation diamond distribution is uniform under 50 times of projectors, no plating leakage and clustering phenomena, and micro- sem observation gold
Hard rock granular size is more consistent, without irregular phenomenon not of uniform size.
Beneficial effects of the present invention：Structure of the invention is compact, has adjusted tune granularity by being provided with, in diamond coating gold
Hard rock granularity is controlled in 600-800 mesh, and 5-10% Nano diamond abrasive material and plating alloy is added by original Ni-Co alloy
It is adjusted to Ni-Co-W ternary-alloy material, makes coating that there is high dispersion-strengtherning ability and micro-cutting power, diamond abrasive grain is risen
To better supporting role, so that the service life of grinding wheel coating greatly improved, it, can due to coating high hardness and wearability
Carry out dry abrasive cutting, continuous work up to more than 3000 pieces of tungsten needles, avoid common aluminium oxide and quartzy grinding wheel must water cooling, and every mill
40-50 must only repair the drawbacks of grinding wheel, and the grinding quality of tungsten needle is significantly improved, and the effective coating of the grinding wheel after use, can
Coating is removed, continues that new diamond coatings are electroplated on former stainless steel base, realizes and repeatedly utilizes, save valuable material
With wheel body processing charges, comprehensive grinding cost is reduced.
Detailed description of the invention：
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is side view of the invention；
Fig. 3 is Fig. 2 of the present invention along A-A sectional view；
Fig. 4 is electroplated diamond composite deposite schematic diagram of the present invention；
Fig. 5 is that (surface polishing scratch is tiny equal for the tungsten needle surface topography of diamond Ni-Co-W composite coating wheel grinding of the present invention
Even, tip curvature radius is small)；
Fig. 6 is that (polishing scratch is thicker, it is seen that has the aperture chewed for the tungsten needle surface topography of the general alundum wheel grinding of the present invention
Hole)；
In figure：1- fixed ring, 2- output end fixation hole, 3- tongue and groove, 4- polishing external disk, 5- fixed connecting plate, 6- Buddha's warrior attendant
Stone composite deposite, 7- polishing cambered surface, 8- polishing fixed ring.
Specific embodiment：
As shown in Figures 1 to 6, present embodiment uses following technical scheme：A kind of tungsten electrode grinding wheel for grinding, including
The middle part of fixed ring 1, the fixed ring 1 is equipped with output end fixation hole 2, and the outside of the fixed ring 1 is fixedly connected with fixed company
Fishplate bar 5, and the outside of the fixed connecting plate 5 is fixedly connected with polishing external disk 4, and the polishing external disk 4 is by polishing fixed ring 8
It is formed with diamond composite deposite 6, the outside of the fixed connecting plate 5 is fixedly connected with polishing fixed ring 8, the polishing fixed ring
Tongue and groove 3 is formed between 8 and fixed ring 1, and the outside of the polishing fixed ring 8 is coated with diamond composite deposite 6, the polishing
The outside of external disk 4 is equipped with polishing cambered surface 7.
Wherein, the polishing cambered surface 7 is convex structure, and the radius of the polishing cambered surface 7 is 85 millimeters, is convenient for
Polishing.
Wherein, the diamond composite deposite 6 is made of Ni, Co and W, and the inside of the diamond composite deposite 6 adds
Enhance particle and diamond abrasive grain added with Nano diamond, increases its heat resistance.
Wherein, have antioxidant coating on the outside of the diamond composite deposite 6, the antioxidant coating with a thickness of 1mm, increase
Add antioxygenic property.
Wherein, the fixed ring 1, polishing external disk 4 and fixed connecting plate 5 are made of steel alloy, durable.
Wherein, the diameter of the polishing external disk 4 is 280cm, keeps its scope of application wider.
The preparation method of tungsten electrode grinding wheel for grinding, includes the following steps：
(1), select steel alloy as the abrasive material of grinding wheel wheel, by its clamping on fixing tool；
(2), formula is formulated, and engineer need to be required according to grinding according to process requirements to distribute the ratio of each ingredient in grinding wheel
Example, finally provides formula with stochiometric form, and a certain proportion of nano material and tungsten material are added in abrasive material, and diamond
Granularity is controlled in 600-800 mesh, and 5-10% Nano diamond abrasive material and plating alloy is added and is adjusted by original Ni-Co alloy
For Ni-Co-W ternary-alloy material；
(3), ingredient mixing weighs each Ingredients Weight according to formula, by them sequentially and operation require mixing
Together, it is desirable that be uniformly mixed, no precipitating；
(4), electroforming, when plating, coated metal does anode, is oxidized to positive particle and enters electroplate liquid；Gold to be plated
Metal products do cathode, and the positive particle of coated metal is reduced to form coating in metal surface, for the interference for excluding other positive particles,
And coating is made uniformly, securely electroplate liquid need to be done with the solution of the particle of sun containing coated metal, to keep the dense of coated metal sun particle
Spend constant, the purpose of plating is that the coat of metal is plated on substrate, changes substrate surface property or size；
(5), sintering curing, grinding wheel is just after one-step forming, and in fact and shaky, curing molding, need to not be put into baking oven and dry
Regular hour and temperature is arranged in roasting curing molding, and after heating constant temperature is cooling, solidification is completed；
(6), it post-processes, is that grinding wheel blank by lathe grinding machine, is processed into the dimensional accuracy of technique requirement, makes shape
It is more beautiful, reach technique requirement；
(7), it examines, it is ensured that grinding wheel quality meets national standard, and when detection, it is small to visually observe surface roughness, uses grinding wheel
Oilstone or marble etc. are ground, is not peeled, not drop, coating diamond distribution is uniform, visually observes and rises without obvious nickel hump, uses hand
The feel that rubs is more smooth, and observation diamond distribution is uniform under 50 times of projectors, no plating leakage and clustering phenomena, and micro- sem observation gold
Hard rock granular size is more consistent, without irregular phenomenon not of uniform size.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of tungsten electrode grinding wheel for grinding, including fixed ring (1), which is characterized in that the middle part of the fixed ring (1) is equipped with defeated
Outlet fixation hole (2) is fixedly connected with fixed connecting plate (5) on the outside of the fixed ring (1), and the fixed connecting plate (5)
Outside be fixedly connected with polishing external disk (4), and the polishing external disk (4) is by polishing fixed ring (8) and diamond composite deposite
(6) it forms, polishing fixed ring (8), the polishing fixed ring (8) and fixation is fixedly connected on the outside of the fixed connecting plate (5)
Tongue and groove (3) are formed between ring (1), and are coated with diamond composite deposite (6) on the outside of the polishing fixed ring (8), it is described to beat
The outside for grinding external disk (4) is equipped with polishing cambered surface (7).
2. a kind of tungsten electrode grinding wheel for grinding according to claim 1, it is characterised in that：The polishing cambered surface (7) is circle
Arc structure, and the radius of polishing cambered surface (7) is 85 millimeters.
3. a kind of tungsten electrode grinding wheel for grinding according to claim 1, it is characterised in that：The diamond composite deposite
(6) it is made of Ni, Co and W, and the inside of the diamond composite deposite (6) is added with Nano diamond enhancing particle and Jin Gang
Stone mill grain.
4. a kind of tungsten electrode grinding wheel for grinding according to claim 1, it is characterised in that：The diamond composite deposite
(6) there is an antioxidant coating in outside, the antioxidant coating with a thickness of 1mm.
5. a kind of tungsten electrode grinding wheel for grinding according to claim 1, it is characterised in that：The fixed ring (1), polishing are outer
Disk (4) and fixed connecting plate (5) are made of steel alloy.
6. a kind of tungsten electrode grinding wheel for grinding according to claim 1, it is characterised in that：The straight of external disk (4) of polishing
Diameter is 280cm.
7. a kind of preparation method of tungsten electrode grinding wheel for grinding according to claim 1, it is characterised in that：Including following step
Suddenly：
(1), abrasive material of the steel alloy as grinding wheel is selected, by its clamping on fixing tool；
(2), formula is formulated, and engineer need to require to distribute the ratio of each ingredient in grinding wheel, most according to process requirements according to grinding
Formula is provided with stochiometric form afterwards, and adds a certain proportion of nano material and tungsten material in abrasive material, and diamond grit
Control is added 5-10% Nano diamond abrasive material and plating alloy and is adjusted to by original Ni-Co alloy in 600-800 mesh
Ni-Co-W ternary-alloy material；
(3), ingredient mixing weighs each Ingredients Weight according to formula, by them sequentially and operation require mixing one
It rises, it is desirable that be uniformly mixed, no precipitating；
(4), electroforming, when plating, coated metal does anode, is oxidized to positive particle and enters electroplate liquid；Made of metal to be plated
Product do cathode, and the positive particle of coated metal is reduced to form coating in metal surface, to exclude the interference of other positive particles, and make
Coating uniformly, securely, need to cook electroplate liquid with the solution of the particle of sun containing coated metal, to keep the concentration of coated metal sun particle not
Become, the purpose of plating is that the coat of metal is plated on substrate, changes substrate surface property or size；
(5), sintering curing, grinding wheel is just after one-step forming, and in fact and shaky, curing molding, need to not be put into baking oven and toast admittedly
Regular hour and temperature is arranged in chemical conversion type, and after heating constant temperature is cooling, solidification is completed；
(6), it post-processes, is that grinding wheel blank by lathe grinding machine, is processed into the dimensional accuracy of technique requirement, makes shape more
It is beautiful, reach technique requirement；
(7), it examines, it is ensured that grinding wheel quality meets national standard, and when detection, it is small to visually observe surface roughness, grinds oil with grinding wheel
Stone or marble etc., do not peel, not drop, and coating diamond distribution is uniform, visually observe and rise without obvious nickel hump, are rubbed with hand
Feel is more smooth, and observation diamond distribution is uniform under 50 times of projectors, no plating leakage and clustering phenomena, and micro- sem observation diamond
Granular size is more consistent, without irregular phenomenon not of uniform size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810964123.5A CN108818336B (en) | 2018-08-23 | 2018-08-23 | Grinding wheel for grinding tungsten electrode and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810964123.5A CN108818336B (en) | 2018-08-23 | 2018-08-23 | Grinding wheel for grinding tungsten electrode and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108818336A true CN108818336A (en) | 2018-11-16 |
| CN108818336B CN108818336B (en) | 2023-10-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133491A (en) * | 2019-05-24 | 2019-08-16 | 国家电网有限公司 | Portable electric force system special purpose relay ability meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110133491A (en) * | 2019-05-24 | 2019-08-16 | 国家电网有限公司 | Portable electric force system special purpose relay ability meter |
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| Publication number | Publication date |
|---|---|
| CN108818336B (en) | 2023-10-03 |
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