CN109664410A - A kind of superthin diamond circular saw web matrix and preparation method thereof and application - Google Patents
A kind of superthin diamond circular saw web matrix and preparation method thereof and application Download PDFInfo
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- CN109664410A CN109664410A CN201910047732.9A CN201910047732A CN109664410A CN 109664410 A CN109664410 A CN 109664410A CN 201910047732 A CN201910047732 A CN 201910047732A CN 109664410 A CN109664410 A CN 109664410A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
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- Mining & Mineral Resources (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a kind of superthin diamond circular saw web matrix and preparation method thereof and application, superthin diamond circular saw web matrix includes matrix inner ring and the matrix outer ring for being connected to matrix inner ring outer peripheral edge；Matrix inner ring is the thin slice of uniform thickness；The thickness of matrix outer ring inner peripheral is equal with the thickness of matrix inner ring；Matrix outer ring is radially gradually thinning from inner peripheral to outer peripheral edge, to form annular slope；Matrix inner ring and matrix outer ring are integrally formed.Base structure design method of the present invention is novel, and the intensity of matrix has been effectively ensured, has reduced and occurs the probability of beat in saw blade use process.
Description
Technical field
The present invention relates to a kind of diamond saw blade manufacturing technology more particularly to a kind of superthin diamond circular saw web matrix and its
Production method and application.
Background technique
Currently, diamond disc is widely used to the hard brittle materias such as glass, ceramics, stone material, concrete neck
Domain processing.Meanwhile with the continuous improvement of processing request, higher want also proposed to the service performance of diamond disc
It asks.
In ceramics, field of stone processing, in order to improve processing effect, improve production efficiency, reduction energy consumption, protection environment
Deng ultrathin saw bit comes into being.But since ultrathin saw bit is generally realized by the thinning mode of matrix integral thickness, matrix strength
Low, saw blade is also easy to produce beat in use process, leads to processing object chipping, damage etc., it is difficult to guarantee that production is gone on smoothly.
Summary of the invention
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide a kind of superthin diamond circular saw web bases
Body.Base structure design method of the present invention is novel, and the intensity of matrix has been effectively ensured, and reduces in saw blade use process and occurs partially
The probability of pendulum.
The second object of the present invention is to provide a kind of production method of superthin diamond circular saw web matrix.Present invention production
Simple process, it is with short production cycle, it is advantageously implemented automated production.
The third object of the present invention is to provide a kind of superthin diamond comprising above-mentioned superthin diamond circular saw web matrix
Saw blade.The matrix strength of this superthin diamond circular saw web is high, cutter head thickness is thin and sharp, cutting efficiency is high, processing effect is good.
An object of the present invention adopts the following technical scheme that realization: a kind of superthin diamond circular saw web matrix, including base
Internal ring and the matrix outer ring for being connected to matrix inner ring outer peripheral edge；Described matrix inner ring is the thin slice of uniform thickness；Described matrix outer ring
The thickness of inner peripheral is equal with the thickness of matrix inner ring；Described matrix outer ring radially gradually becomes from inner peripheral to outer peripheral edge
It is thin, to form annular slope；Described matrix inner ring and matrix outer ring are integrally formed.
Further, the ratio between described matrix inner ring width and matrix outer ring width are 1:(0.5-1).
Further, the upper surface of matrix outer ring is arranged in the annular slope；Or the annular slope is arranged in matrix
The lower surface of outer ring；Or the upper and lower surfaces of matrix outer ring are arranged in the annular slope.
Further, the outer peripheral edge of described matrix outer ring with a thickness of 0.6-0.8mm.
The second object of the present invention adopts the following technical scheme that realization: a kind of production side of superthin diamond circular saw web matrix
Method includes the following steps:
The step of being cut by laser overall profile: the foreign steamer of superthin diamond circular saw web matrix is drawn on laser equipment host
Wide and centre bore, is cut by laser on the steel plate by drafting figure, matrix crude green body is made, and remove flash removed；
The step of heat treatment: it is heated using salt bath furnace mode；And then it is quenched using the pressurization oily type of cooling of quenching；
Then heat preserving mode is tempered when long using mechanical pressurization medium temperature, eliminates matrix crude green body internal stress, and it is 38 that hardness HRC, which is made,
~42 matrix crude green body；
The step of fine grinding: refining the matrix crude green body surface through Overheating Treatment on grinding machine, keeps matrix crude green body whole
Thickness, which reaches, to be sized, error range ± 0.02mm；
The step of rough turn gradient: the matrix crude green body of fine grinding processing being fixed on lathe, lathe is set in and gets on the bus cutter position,
It is between 0.9-2.5 ° that lathe tool, which founds sword along cut direction plane and matrix horizontal direction surface angular range,；Matrix crude green body is equipped with base
Internal ring and the matrix outer ring for being connected to matrix inner ring outer peripheral edge；Position on matrix outer ring apart from inner peripheral 2mm is to periphery
The rough turn gradient of edge, and burr of polishing；
The step of laser cutting draining wire casing: drawing base laser wire casing on laser equipment host, by drafting figure in base
Laser cutting draining wire casing on the outer peripheral edge of body crude green body；
The step of smart car gradient: matrix crude green body is fixed on lathe, and lathe tool position is set on lathe, and lathe tool stands sword edge
Cut direction plane and matrix horizontal direction surface angular range be between 0.9~2.5 °, on matrix outer ring at inner peripheral to
Outer peripheral edge smart car gradient, and burr of polishing；
The step of shaping: stress and flatness detection are carried out on tension gauge, and is corrected, ultra-thin Buddha's warrior attendant is made
Stone circular saw blade substrate finished product.
Further, in the step of being heat-treated, the set temperature of the salt bath furnace is 800-900 DEG C, keeps the temperature 160-
200s；The pressurization pressure in the oily type of cooling of quenching is 50-80MPa, and cooling temperature is 0-30 DEG C；The set temperature of tempering is
400-500 DEG C, keep the temperature 3.5-4.5h.
The third object of the present invention adopts the following technical scheme that realization: a kind of superthin diamond circular saw web, which is characterized in that
Including superthin diamond circular saw web matrix as described above and it is fixedly connected on superthin diamond circular saw web matrix outer peripheral edge
Fan shaped cutting head；The fan shaped cutting head includes following components by weight: 45-70 parts of alloyed powder, 13-26 parts of copper powder, nickel powder
5-7 parts, 3-7 parts of glass putty, 2-4 parts of silver powder, 1-4 parts of graphite particle, 0.8-1.3 parts of diamond particles.
Further, the alloyed powder includes following component by weight: 60-65 parts of iron, 18-22 parts of copper, cobalt 7-
11 parts, 1-4 parts of nickel, 3-5 parts of tin, 1 part of phosphorus；The graphite particle ash content is less than 500ppm, granularity in -100/120 mesh of 30/40 mesh
Between；The diamond particles are combination grain group of the granularity between -140/170 mesh of 50/60 mesh.Graphite particle ash content is less than
Ppm represents hundred a ten thousandths in 500ppm, and ash content is the major impurity in graphite, i.e. impurity in graphite particle is less than 500/
1000000。
Further, the fan shaped cutting head is welded on the outer peripheral edge of matrix outer ring using silver soldering piece by high-frequency welding manner
On.
Further, the silver soldering piece argentiferous weight is 32-35%, and melting solidus is 590 DEG C, melts liquidus curve and is
735℃；The heating temperature of the high-frequency welding is 650-700 DEG C, soaking time 5s.
Compared with prior art, the beneficial effects of the present invention are:
(1) base structure design method of the present invention is novel, and the intensity of matrix has been effectively ensured, has reduced saw blade use process
It is middle the probability of beat occur.The especially width long enough of matrix outer ring, thus matrix outer ring from inner peripheral to outer peripheral edge along diameter
It is gradually thinning to direction, to form annular slope, by increasing the intensity of matrix outer ring, make the connection of blade and matrix outer ring more
Add firm.Also there is the matrix outer ring being thinned with stepped form in the prior art, but since matrix outer ring width is relatively narrow, step
It is thinning very fast, matrix strength is still difficult to be effectively ensured.The present invention forms certain taper in such a way that outer ring is gradually thinned,
It ensure that matrix strength.
(2) present invention rationally designs formula, while cutter head is done thin, improves the toughness of cutter head, prevents from cutting through
The brittle failure of cutter head in journey.
(3) superthin diamond circular saw web matrix of the invention and the ultra-thin Buddha's warrior attendant containing the superthin diamond circular saw web matrix
The range of stone saw blade further expansion stone material, field of ceramic processing ultrathin saw bit cutter head thickness, cutter head thickness can be as thin as
0.6mm considerably increases the sharpness of saw blade, improves processing effect, improves production efficiency.Existing cutter head thickness and matrix
Inner ring is equal, and cutter head is thicker, and saw blade practical function and conventional saw blade is caused not to have difference；Cutter head thickness of the present invention is far below matrix
Inner ring thicknesses, suitable with matrix outer ring outer most edge, cutter head thickness in industry belongs to very thin, is most as thin as 0.6mm, in hard crisp material
Expect that there are no people can do so far for (ceramics, stone material etc. are nonmetallic) processing aspect.
(4) mode is gradually thinned along center of circle outwardly direction using to matrix outer ring in the present invention, in matrix outer ring cyclization
Shape inclined-plane, while cutter head toughness and sharpness are taken into account by rationally designing formula, by cutter head high-frequency welding on matrix, preparation is super
Thin diamond disc.
(5) manufacture craft of the present invention is simple, with short production cycle, is advantageously implemented automated production.
Detailed description of the invention
Fig. 1 is the top view of 1 superthin diamond circular saw web matrix of the embodiment of the present invention；
Fig. 2 is the sectional view of 1 superthin diamond circular saw web matrix of the embodiment of the present invention；
Fig. 3 is the enlarged diagram of a-quadrant in Fig. 2；
Fig. 4 is the sectional view of 2 superthin diamond circular saw web matrix of the embodiment of the present invention；
Fig. 5 is the enlarged diagram of B area in Fig. 4.
In figure: 1, superthin diamond circular saw web matrix；11, matrix inner ring；12, matrix outer ring；121, outer ring inner peripheral；
122, outer ring outer peripheral edge；13, wire casing is drained；2, fan shaped cutting head.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
In the present invention, if not refering in particular to, all parts, percentage are unit of weight, used equipment and raw material etc.
It is commercially available or commonly used in the art.Method in following embodiments is unless otherwise instructed the normal of this field
Rule method.
A kind of superthin diamond circular saw web of embodiment 1
As shown in Figure 1-3, a kind of superthin diamond circular saw web, including superthin diamond circular saw web matrix 1 be fixedly connected
Fan shaped cutting head 2 on superthin diamond circular saw web matrix outer peripheral edge；
Wherein, superthin diamond circular saw web matrix includes matrix inner ring 11 and is connected to outside the matrix of matrix inner ring outer peripheral edge
Ring 12；Described matrix inner ring is the thin slice of uniform thickness；The thickness of described matrix outer ring inner peripheral is equal with the thickness of matrix inner ring；Institute
It is radially gradually thinning from outer ring inner peripheral 121 to outer ring outer peripheral edge 122 to state matrix outer ring, to form annular slope；Institute
It states matrix inner ring and matrix outer ring is integrally formed.The outer ring outer peripheral edge of matrix crude green body is cut with draining wire casing 13；
In the present embodiment, the ratio between described matrix inner ring width and matrix outer ring width are 1:0.8.
In the present embodiment, the upper surface of matrix outer ring is arranged in the annular slope.Or the annular slope setting exists
The upper and lower surfaces of matrix outer ring.
The outer peripheral edge of described matrix outer ring with a thickness of 0.8mm.
The preparation method following steps of the saw bit matrix:
1) it is cut by laser overall profile: drawing matrix outer profile and centre bore on laser equipment host, exist by figure is drawn
It is cut by laser on steel plate, matrix crude green body is made, and remove flash removed；
2) it is heat-treated: using salt bath stove heating, oily type of cooling quenching of quenching of pressurizeing, heat preserving mode when mechanical pressurization medium temperature is long
Intrinsic silicon stress is eliminated in tempering, and the matrix crude green body that hardness HRC is 38~42 is made, and improves matrix integral strength, toughness.Its
The set temperature of middle salt bath furnace is 855 DEG C, keeps the temperature 180s；The pressurization pressure in the oily type of cooling of quenching is 60MPa, cooling temperature
It is 15 DEG C；The set temperature of tempering is 440 DEG C, keeps the temperature 4h.
3) it refines: matrix surface being refined on grinding machine, reaches matrix crude green body integral thickness and is sized
1.8mm, error range ± 0.02mm；
4) rough turn gradient: matrix is horizontally fixed on lathe, and lathe tool position is set on lathe, and lathe tool founds sword along cutting side
Be 0.956 ° to plane and body upper surface angle, on outer ring in distance along position the position 2mm rough turn gradient outward, and beat
Sanding thorn；
5) laser cutting draining wire casing: drawing base laser wire casing on laser equipment host, and by drawing, figure is thick in matrix
Laser cutting draining wire casing on the position of base outer；
6) smart car gradient: matrix is horizontally fixed on lathe, and lathe tool position is set on lathe, and lathe tool founds sword along cutting side
It is 0.956 ° to plane and body upper surface angle, the interior smart car gradient outside along position on outer ring, and burr of polishing；
7) shaping: stress and flatness detection are carried out on tension gauge, and is corrected, matrix finished product is made.
Wherein, fan shaped cutting head includes following components by weight: 60 parts of alloyed powder, 23 parts of copper powder, 6 parts of nickel powder, tin
6 parts of powder, 2 parts of silver powder, 2 parts of graphite particle, 1 part of diamond particles.Alloyed powder includes following component by weight: iron 60-
65 parts, 18-22 parts of copper, 7-11 parts of cobalt, 1-4 parts of nickel, 3-5 parts of tin, 1 part of phosphorus.Wherein the graphite particle ash content be less than 500ppm,
Granularity is in 30/40 mesh；Diamond particles are by the diamond particles that granularity is 60/70 mesh and diamond that granularity is 70/80 mesh
Grain is mixed with mass ratio for 3:7.Fan shaped cutting head is welded on the outer of matrix outer ring by high-frequency welding manner using silver soldering piece
On periphery.The heating temperature of high-frequency welding is 650-700 DEG C, soaking time 5s.
Via diamond ultra-thin saw blade prepared by above-mentioned steps, matrix strength is effectively ensured, nothing in cutting process
Beat, saw blade sharpness are good.For example cutting 10mm thickness Ceramic Tiles, joint-cutting minimum only have 0.9mm, waste of raw materials is few, cutting speed
Degree reaches 3.2m/min, and sharpness ultrathin saw bit more common than same specification improves 20-30%.
A kind of superthin diamond circular saw web matrix of embodiment 2
As illustrated in figures 4-5, a kind of superthin diamond circular saw web, including superthin diamond circular saw web matrix and be fixedly connected on
Fan shaped cutting head on superthin diamond circular saw web matrix outer peripheral edge；
Wherein, superthin diamond circular saw web matrix includes matrix inner ring and is connected to outside the matrix of matrix inner ring outer peripheral edge
Ring；Described matrix inner ring is the thin slice of uniform thickness；The thickness of described matrix outer ring inner peripheral is equal with the thickness of matrix inner ring；It is described
Matrix outer ring is radially gradually thinning from outer ring inner peripheral 121 to outer ring outer peripheral edge 122, to form annular slope；It is described
Matrix inner ring and matrix outer ring are integrally formed.The outer ring outer peripheral edge of matrix crude green body is cut with draining wire casing；
In the present embodiment, the ratio between described matrix inner ring width and matrix outer ring width are 1:0.8.
In the present embodiment, the upper and lower surfaces of matrix outer ring are arranged in the annular slope.
In the present embodiment, the outer peripheral edge of described matrix outer ring with a thickness of 0.6mm.
The production method of the saw bit matrix, includes the following steps:
1) it is cut by laser overall profile: drawing matrix outer profile and centre bore on laser equipment host, exist by figure is drawn
It is cut by laser on steel plate, matrix crude green body is made, and remove flash removed；
2) it is heat-treated: using salt bath stove heating, oily type of cooling quenching of quenching of pressurizeing, heat preserving mode when mechanical pressurization medium temperature is long
Intrinsic silicon stress is eliminated in tempering, and the matrix crude green body that hardness HRC is 38~42 is made, and improves matrix integral strength, toughness.Its
The set temperature of middle salt bath furnace is 855 DEG C, keeps the temperature 180s；The pressurization pressure in the oily type of cooling of quenching is 75MPa, cooling temperature
It is 10 DEG C；The set temperature of tempering is 440 DEG C, keeps the temperature 4h.
3) it refines: matrix surface being refined on grinding machine, reaches matrix crude green body integral thickness and is sized
1.8mm, error range ± 0.02mm；
4) rough turn gradient: matrix is horizontally fixed on lathe, and lathe tool position is set on lathe, and lathe tool founds sword along cutting side
It is 2.29 ° to plane and body upper surface and lower surface angle, along position, the position 2mm is rough turn oblique outward in distance on outer ring
Degree, and burr of polishing；
5) laser cutting draining wire casing: drawing base laser wire casing on laser equipment host, and by drawing, figure is thick in matrix
Laser cutting draining wire casing on the position of base outer；
6) smart car gradient: matrix is horizontally fixed on lathe, and lathe tool position is set on lathe, and lathe tool founds sword along cutting side
It is 2.29 ° to plane and body upper surface and lower surface angle, the interior smart car gradient outside along position on outer ring, and hair of polishing
Thorn；
7) shaping: stress and flatness detection are carried out on tension gauge, and is corrected, matrix finished product is made.
Wherein fan shaped cutting head includes following components by weight: 65 parts of alloyed powder, 18 parts of copper powder, 7 parts of nickel powder, glass putty
4 parts, 3 parts of silver powder, 1.7 parts of graphite particle, 1.3 parts of diamond particles.Alloyed powder includes following component by weight: iron
60-65 parts, 18-22 parts of copper, 7-11 parts of cobalt, 1-4 parts of nickel, 3-5 parts of tin, 1 part of phosphorus.Wherein the graphite particle ash content is less than
500ppm, granularity are in 30/40 mesh, and diamond particles are by the diamond particles that granularity is 70/80 mesh, the gold that granularity is 80/100 mesh
It with mass ratio is that 4:4:2 is mixed that hard rock particle and granularity, which are the diamond particles of 100/120 mesh,.Fan shaped cutting head uses silver soldering
Piece is welded on the outer peripheral edge of matrix outer ring by high-frequency welding manner.The heating temperature of high-frequency welding is 650-700 DEG C, heat preservation
Time is 5s.
Via diamond ultra-thin saw blade prepared by above-mentioned steps, matrix strength is effectively ensured, nothing in cutting process
Beat, saw blade sharpness are good.For example cutting 10mm thickness Ceramic Tiles, joint-cutting minimum only have 0.7mm, waste of raw materials is few, cutting speed
Degree reaches 2.5m/min, and sharpness ultrathin saw bit more common than same specification improves 25-35%.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (10)
1. a kind of superthin diamond circular saw web matrix, which is characterized in that including matrix inner ring and be connected to matrix inner ring outer peripheral edge
Matrix outer ring；Described matrix inner ring is the thin slice of uniform thickness；The thickness of described matrix outer ring inner peripheral and the thickness of matrix inner ring
It is equal；Described matrix outer ring is radially gradually thinning from inner peripheral to outer peripheral edge, to form annular slope；In described matrix
Ring and matrix outer ring are integrally formed.
2. superthin diamond circular saw web matrix as described in claim 1, which is characterized in that described matrix inner ring width and matrix
The ratio between outer ring width is 1:(0.5-1).
3. superthin diamond circular saw web matrix as described in claim 1, which is characterized in that the annular slope is arranged in matrix
The upper surface of outer ring；Or the lower surface of matrix outer ring is arranged in the annular slope；Or the annular slope is arranged outside matrix
The upper and lower surfaces of ring.
4. superthin diamond circular saw web matrix as described in claim 1, which is characterized in that the outer peripheral edge of described matrix outer ring
With a thickness of 0.6-0.8mm.
5. a kind of production method of superthin diamond circular saw web matrix, which comprises the steps of:
Be cut by laser overall profile the step of: on laser equipment host draw superthin diamond circular saw web matrix outer profile and
Centre bore is cut by laser on the steel plate by drafting figure, matrix crude green body is made, and remove flash removed；
The step of heat treatment: it is heated using salt bath furnace mode；And then it is quenched using the pressurization oily type of cooling of quenching；Then
Heat preserving mode is tempered when long using mechanical pressurization medium temperature, eliminates matrix crude green body internal stress, and it is 38~42 that hardness HRC, which is made,
Matrix crude green body；
The step of fine grinding: the matrix crude green body surface through Overheating Treatment is refined on grinding machine, makes matrix crude green body integral thickness
Reach and is sized, error range ± 0.02mm；
The step of rough turn gradient: the matrix crude green body of fine grinding processing being fixed on lathe, lathe is set in and gets on the bus cutter position, lathe tool
Vertical sword is between 0.9-2.5 ° along cut direction plane and matrix horizontal direction surface angular range；Matrix crude green body is equipped in matrix
Ring and the matrix outer ring for being connected to matrix inner ring outer peripheral edge；Position on matrix outer ring apart from inner peripheral 2mm is thick to outer peripheral edge
Vehicle gradient, and burr of polishing；
The step of laser cutting draining wire casing: drawing base laser wire casing on laser equipment host, and by drawing, figure is thick in matrix
Laser cutting draining wire casing on the outer peripheral edge of base；
The step of smart car gradient: matrix crude green body is fixed on lathe, and lathe tool position is set on lathe, and lathe tool founds sword along cutting
Direction plane and matrix horizontal direction surface angular range are between 0.9~2.5 °, to periphery at inner peripheral on matrix outer ring
Edge smart car gradient, and burr of polishing；
The step of shaping: stress and flatness detection are carried out on tension gauge, and is corrected, superthin diamond circle is made
Saw bit matrix finished product.
6. production method as claimed in claim 5, which is characterized in that in the step of being heat-treated, the setting of the salt bath furnace
Temperature is 800-900 DEG C, keeps the temperature 160-200s；The pressurization pressure in the oily type of cooling of quenching is 50-80MPa, and cooling temperature is
0-30℃；The set temperature of tempering is 400-500 DEG C, keeps the temperature 3.5-4.5h.
7. a kind of superthin diamond circular saw web, which is characterized in that including superthin diamond according to any one of claims 1-4
Circular saw blade substrate and the fan shaped cutting head being fixedly connected on superthin diamond circular saw web matrix outer peripheral edge；The fan shaped cutting head includes
Following components by weight: 45-70 parts of alloyed powder, 13-26 parts of copper powder, 5-7 parts of nickel powder, 3-7 parts of glass putty, 2-4 parts of silver powder,
1-4 parts of graphite particle, 0.8-1.3 parts of diamond particles.
8. superthin diamond circular saw web as claimed in claim 7, which is characterized in that the alloyed powder includes by weight
Following component: 60-65 parts of iron, 18-22 parts of copper, 7-11 parts of cobalt, 1-4 parts of nickel, 3-5 parts of tin, 1 part of phosphorus；The graphite particle ash content
Less than 500ppm, granularity between -100/120 mesh of 30/40 mesh；The diamond particles are granularity in 50/60 mesh -140/170
Combination grain group between mesh.
9. superthin diamond circular saw web as claimed in claim 7, which is characterized in that the fan shaped cutting head is passed through using silver soldering piece
High-frequency welding manner is welded on the outer peripheral edge of matrix outer ring.
10. superthin diamond circular saw web as claimed in claim 9, which is characterized in that the silver soldering piece argentiferous weight is 32-
35%, melting solidus is 590 DEG C, and melting liquidus curve is 735 DEG C；The heating temperature of the high-frequency welding is 650-700 DEG C, is protected
The warm time is 5s.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108247037A (en) * | 2018-01-30 | 2018-07-06 | 河南涵信金刚石工具有限公司 | A kind of diamond saw blade powder, diamond saw blade and preparation method thereof |
| CN110977369A (en) * | 2019-12-31 | 2020-04-10 | 昆山品越精密模具有限公司 | Forming process of bearing ring cutting knife |
| CN110977030A (en) * | 2019-11-26 | 2020-04-10 | 马鞍山市松林刮刀锯有限公司 | Large-diameter disc all-steel cutter and manufacturing process thereof |
| CN112171215A (en) * | 2020-09-30 | 2021-01-05 | 唐山冶金锯片有限公司 | Environment-friendly preparation method of medium and small-diameter diamond circular saw blade matrix |
| CN112693014A (en) * | 2020-12-25 | 2021-04-23 | 泉州华大超硬工具科技有限公司 | Composite diamond cutting blade special for cutting rock plate and manufacturing method thereof |
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| CN201669627U (en) * | 2010-05-20 | 2010-12-15 | 华侨大学 | Brazing ultrathin diamond cutting grinding wheel |
| CN108247037A (en) * | 2018-01-30 | 2018-07-06 | 河南涵信金刚石工具有限公司 | A kind of diamond saw blade powder, diamond saw blade and preparation method thereof |
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