CN109986699A - Compound noise reduction sintered saw bits and preparation method thereof - Google Patents
Compound noise reduction sintered saw bits and preparation method thereof Download PDFInfo
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- CN109986699A CN109986699A CN201910353312.3A CN201910353312A CN109986699A CN 109986699 A CN109986699 A CN 109986699A CN 201910353312 A CN201910353312 A CN 201910353312A CN 109986699 A CN109986699 A CN 109986699A
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- 230000009467 reduction Effects 0.000 title claims abstract description 56
- 150000001875 compounds Chemical class 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title description 2
- 239000011159 matrix material Substances 0.000 claims abstract description 99
- 238000007906 compression Methods 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 239000003292 glue Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 9
- 238000000465 moulding Methods 0.000 claims abstract description 8
- 238000005056 compaction Methods 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 238000003892 spreading Methods 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005520 cutting process Methods 0.000 abstract description 8
- 238000004080 punching Methods 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052802 copper Inorganic materials 0.000 abstract description 4
- 239000010949 copper Substances 0.000 abstract description 4
- 239000011229 interlayer Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- B28D1/12—Saw-blades or saw-discs specially adapted for working stone
- B28D1/121—Circular saw blades
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
A kind of production method of compound noise reduction sintered saw bits is provided with two matrixes, then the face that matrix is bonded to each other symmetrically compresses, and applies pressure and matrix combination is made to form combination；Cutter head is set on combination.A kind of compound noise reduction sintered saw bits, including there are two matrixes, two base structures are symmetrical and form combination by compression mode, in the outer rim sinter molding cutter head of combination.The sintered saw bits are made of two matrixes, and two matrixes combine to form combination by compressing, and re-sinter cutter head in the outer rim of combination.Two matrixes are only arranged in the present invention, no longer the noise reductions interlayer such as setting copper sheet, do not process welding counter sink, not spot welding, manufacturing cost can be effectively reduced, while have noise reduction effect identical with the welding saw blade of sandwich matrix.Sintered saw bits provided by the invention are compared with conventional monolithic noise reduction sintered saw bits, and no punching joint-cutting or injecting glue, under the premise of manufacturing cost is comparable, noise reduction effect of the invention is significant.
Description
Technical field
The invention belongs to field of powder metallurgy, specially superhard cutting tool technical field, more specifically, in particular to
A kind of compound noise reduction sintered saw bits and a kind of production method of compound noise reduction sintered saw bits.
Background technique
In sawing concrete or stone material, 95 decibels of noises below be outside 3 meters it is sustainable, and 100 decibels with
On noise be also to be difficult to endure outside 3 meters, in fact most of saw blade is all in 85-110 decibel range, therefore is cutting
When operation, the several decibels of noise reduction are only needed, very big influence will be generated on the working environment of worker.
In order to realize the purpose of noise reduction, a kind of annular saw similar to sandwich structure is provided in the prior art
Piece, i.e., two or more sheet metals centre one layer of copper sheet of folder or other noise reduction layers, are fixed in by modes such as multiple spot weldings
It is formed together a complete saw blade.Nowadays the silent saw blade that the common laser welding or high frequency welding in market connects, matrix all can
Using the above structure, but due to setting noise reduction layer, matrix punching, spot welding etc., matrix increased costs can all be made.
There are also the saw blades of another structure, i.e. sintered saw bits in the prior art, general for sintered saw bits
Noise reduction, concrete operations are only realized by operations such as punching, joint-cutting, injecting glues are as follows: joint-cutting and past ditch are punched on monolithic matrix
Solder is filled in seam or other quieter materials carry out noise reduction.Common noise reduction sintered saw bits mostly use greatly aforesaid way currently on the market
Realize noise reduction, although this sintered saw bits cost is under control, its noise reduction effect is not satisfactory, and process is actually measured,
Its noise reduction effect that can only reach 3-4 decibels or so.
In conclusion how to further decrease the sawing noise of sintered saw bits, becomes those skilled in the art and urgently solve
Certainly the problem of.
Summary of the invention
The purpose of the present invention is to provide a kind of manufacturing cost is lower, while cutting noise can also be effectively controlled
Sintered saw bits.
To achieve the goals above, the invention provides the following technical scheme:
The present invention provides a kind of production method of compound noise reduction sintered saw bits, the production sides of the compound noise reduction sintered saw bits
Method includes the following steps:
Step 1: two matrixes of setting, the face that described matrix is bonded to each other is adjusted its relative position afterwards relatively keeps its right
Claim；
Step 2: whole described matrix adjusted is compressed, then applies pressure and described matrix combination is formed
Combination；
Step 3: cutter head is arranged on combination.
Preferably, the position of form center of described matrix is provided with centre bore, is evenly equipped with Great Wall in the outer rim of described matrix
Tooth；In said step 1, there are two described matrix settings, the centre bore of two described matrixes is aligned first, is then rotated
Described matrix is aligned the long merlons in two described matrixes.
It preferably, in the step 2, include manual compression and mechanical compaction to described matrix compression；The hand
Dynamic pressure is tight are as follows: in two adjacent described matrixes, wherein in a described matrix, or in two described matrixes,
Spreading glue on the face that matrix is used to be bonded is bonded two described matrixes and is compressed with finger；The machinery
It compresses are as follows: described matrix is assembled on mo(u)ldenpress, then positioning compression.
Preferably, it in the step 3, is sintered on the combination by dress powder, die mould, sintering, following process
Type goes out cutter head.
Preferably, it is provided with long merlons and/or sink on the matrix；In said step 1, by described matrix phase
To rear rotation described matrix, so that the long merlons and/or sink alignment.
Preferably, in manual compression operation, the glue smeared on the matrix is 502 glue.
The present invention also provides a kind of compound noise reduction sintered saw bits, the specific structure of the compound noise reduction sintered saw bits is as follows:
Including there are two matrix, two described matrix symmetrical configurations and being bonded fixed by compression mode and forming combination, described
The outer rim sinter molding of combination has cutter head.
Preferably, two described matrixes are bonded by glue and are fixed.
Preferably, two described matrixes are fixed by mo(u)ldenpress.
Preferably, the outer rim of described matrix is provided with long merlons and/or sink, the length being arranged in two described matrixes
Merlons and/or sink alignment setting.
The present invention provides a kind of production method of compound noise reduction sintered saw bits, which is comprised the following steps that
One, two matrixes are set, and the face that described matrix is bonded to each other is adjusted its structure afterwards relatively keeps it symmetrical；Step 2: will adjustment
Whole described matrixes afterwards compress, and then apply pressure and described matrix combination is made to form combination；Step 3: in combination
Upper setting cutter head.According to the production method of above-mentioned compound noise reduction sintered saw bits, invention further provides a kind of compound noise reductions to burn
Saw blade is tied, in the present invention, the specific structure of the compound noise reduction sintered saw bits is as follows: including there are two matrix, two bases
Body symmetrical configuration is simultaneously bonded fixed and forms combination by compression mode, has knife in the outer rim sinter molding of the combination
Head.
By said structure design, in the present invention, which is made of two matrixes, and two matrixes are by compressing knot
It is combined together to form combination, re-sinters cutter head in the outer rim of combination.Sintered saw bits provided by the invention and use conventional three
The welding saw blade of Mingzhi's matrix is compared, and two matrixes are only arranged, no longer the noise reductions interlayer such as setting copper sheet, does not process welding countersunk head
Hole, not spot welding, manufacturing cost can be effectively reduced, while have noise reduction identical with the welding saw blade of sandwich matrix
Effect.Compared with conventional monolithic noise reduction sintered saw bits, no punching joint-cutting or injecting glue are manufacturing sintered saw bits provided by the invention
Under the premise of cost is comparable, noise reduction effect of the invention is significant.In conclusion the compound noise reduction sintering manufactured according to the present invention
Saw blade has many advantages, such as that at low cost, noise is small.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.Wherein:
Fig. 1 is the structure schematic diagram of cross section of two sheet matrixes before fitting in one embodiment of the invention；
Fig. 2 is the structural schematic diagram of common Great Wall flute profile matrix in one embodiment of the invention；
Fig. 3 is the structural schematic diagram that the matrix of sink is offered in one embodiment of the invention；
Fig. 4 is the structural schematic diagram of helical teeth mold base in one embodiment of the invention；
Fig. 5 is the structural schematic diagram that the combination of cutter head is provided in one embodiment of the invention；
Description of symbols:
Cutter head 2, long merlons 3, sink 4, platform 5 is thinned in matrix 1.
Specific embodiment
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.The explanation of each example through the invention
Mode, which provides, to be not intended to limit the present invention.In fact, those skilled in the art will be clear that, the scope of the present invention or essence are not being departed from
In the case where mind, it can modify in the present invention and modification.For example, being illustrated or described as the spy of a part of one embodiment
Sign can be used for another embodiment, to generate another embodiment.Thus, it may be desirable to which the present invention includes to be included into appended power
Such modifications and variations in the range of benefit requirement and its equivalent.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the present invention rather than require the present invention that must be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.Term used in the present invention " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected,
It may be a detachable connection；It can be directly connected, can also be indirectly connected by intermediate member, for the common of this field
For technical staff, the concrete meaning of above-mentioned term can be understood as the case may be.
Fig. 1 is please referred to Fig. 5, wherein Fig. 1 is the knot of cross section of two sheet matrixes before fitting in one embodiment of the invention
Structure simplified schematic diagram；Fig. 2 is the structural schematic diagram of common Great Wall flute profile matrix in one embodiment of the invention；Fig. 3 is that the present invention one is real
Apply the structural schematic diagram that the matrix of sink is offered in example；Fig. 4 is the structural representation of helical teeth mold base in one embodiment of the invention
Figure；Fig. 5 is the structural schematic diagram that the combination of cutter head is provided in one embodiment of the invention.
Present invention aim to address present in saw blade in the prior art otherwise manufacturing cost is high or noise reduction effect compared with
The problem of difference.
In order to solve above-mentioned two problems simultaneously, the invention proposes a kind of production sides of compound noise reduction sintered saw bits
Method, in the present invention, the production method of the compound noise reduction sintered saw bits include the following steps:
Step 1: two matrixes 1 of setting, the face that matrix 1 is bonded to each other is adjusted its relative position afterwards relatively keeps it symmetrical.
Here its relative position of adjustment, which can be, carries out rotation process or other operations to its (matrix 1), with energy
Identical structure on two matrixes 1, such as sink 4 is enough allowed to be aligned.
Two sheets, the identical matrix 1 of structure are set according to the structural form of sintered saw bits, the outer diameter of matrix 1 is in 50-
Between 400mm.
Specifically, in the present invention, matrix 1 uses disk structure, offers centre bore on its position of form center；In base
The outer rim of body 1 is provided with sawtooth, and the sawtooth being arranged on matrix 1 is long merlons 3, and the monodentate of long merlons 3 is rectangular configuration, Great Wall
The center line of the monodentate of tooth 3 can be overlapped with the radius of matrix 1.
In addition, the present invention can also open up sink 4 on matrix 1, sink 4 is designed using curved slot arrangement, in which: straight water
The center line of slot 4 can be overlapped with the radius of matrix 1, and the center line of oblique sink 4 and the radius of matrix 1 have acute angle.
In order to improve the structural strength of saw blade, in the present invention, matrix 1 is made of steel alloy, and matrix 1 is integral type knot
Structure design.
Saw blade setting there are two matrix 1, the present invention matrix 1 lateral surface (as shown in Figure 1, being bonded to each other between matrix 1
One side be medial surface, another side is lateral surface), and the position of its outer rim is provided with thinned platform 5 in matrix 1, in this way
Cutter head 2 can be made to be firmly combined with matrix 1.In actual operation, upward, lower sheet matrix 1 subtracts the thinned platform 5 of upper sheet matrix 1
Thin 5 downward.
It requires to need that 1 symmetrical configuration of matrix together will be fitted in step 1, concrete operations are as follows: by matrix 1
There are two settings, and two 1 structures of matrix are identical or different, and (such as Fig. 4, when offering oblique sink 4, structure is different, needs at this time point
It does not process, in order to avoid obscure processing mistake), centre bore is offered thereon, and the centre bore of two matrixes 1 is aligned, is then rotated
Matrix 1 is aligned the long merlons 3 on two matrixes 1, if offering sink 4 on matrix 1, it is also desirable to so that sink 4 is right
Together.
Step 2: whole matrix 1 adjusted is compressed, then applies pressure and the combination of matrix 1 is made to form combination.
In step 2, manual compression and mechanical compaction are divided into the compression of matrix 1.
Specifically, manual compression are as follows: in two adjacent matrixes 1, wherein on a matrix 1, or in two bases
On body 1, the spreading glue on the face that matrix 1 is used to be bonded is bonded two matrixes 1 and is compressed with finger.
Wherein, in manual compression operation, the glue smeared on matrix 1 can be 502 glue.
In manual compression operation, present invention uses positioning tool, which has the hole of one with centre bore
The similar positioning table of diameter.The specific implementation method of manual compression operation is as follows: first by thinned platform 5 lower sheet matrix 1 directed downwardly
Centre bore be embedded in positioning table, apply 502 glue of circle, the rapidly upper sheet matrix by thinned platform 5 upward in the upper surface of lower sheet matrix 1
1 centre bore is embedded in positioning table, by positioning table the centre bore of upper and lower two sheet matrix 1 is aligned, and then rotates upper sheet matrix
1, so that the long merlons 3 of upper and lower two sheet matrix 1 is aligned, two sheet matrixes 1 are then gently pinched rapidly and are allowed to bonding securely.
Specifically, mechanical compaction are as follows: matrix 1 is assembled on mo(u)ldenpress, then positioning compression.
In mechanical compaction operation, present invention uses mo(u)ldenpress, there is mo(u)ldenpress one to be used to be set with matrix 1
Expand locating shaft.The specific implementation method of mechanical compaction operation is as follows: the successive upper chip base by thinned platform 5 upward in order first
The centre bore of body 1 and the lower sheet matrix 1 directed downwardly of thinned platform 5 tightly enters the expansion locating shaft of mo(u)ldenpress, has the need of long merlons 3 manual
Rotation into alignment has the need of sink 4 to screw in the fixed alignment of mo(u)ldenpress upper mold core positioning pin.
Step 3: cutter head 2 is arranged on combination.
Third step of the invention is setting 2 step of cutter head, in step 3, by filling powder, die mould, sintering, following process
Sinter molding goes out cutter head 2 on combination.
The concrete operations of step 3 are as follows: diamond particles are added in progress ingredient first in metal powder；Then it is mixed
Granulation agent is added in powder in metal powder, and 1-2 hours dry-mixed using batch mixer；The installation mold cold moudling on press later；
Blank after molding is sintered in continuous tunnel furnace；Plain film is carried out to sintered blank, conventional grasp such as put the first edge on a knife or a pair of scissors, polish, paint, be put in storage
Make.
Based on the production method of above-mentioned compound noise reduction sintered saw bits, invention further provides a kind of compound noise reduction sintering saws
Piece.In the present invention, the structure of the compound noise reduction sintered saw bits is as follows: including there are two matrix 1, two 1 symmetrical configurations of matrix
And be bonded fixed by compression mode and form combination, there is cutter head 2 in the outer rim sinter molding of combination.
In an embodiment of the invention, two matrixes 1 are bonded by glue and are fixed.
In the present invention, glue is all glue that can be bonded steel matrix, preferably 502 glue.
In yet another embodiment of the present invention, two matrixes 1 are fixed by mo(u)ldenpress.
Specifically, the outer rim of matrix 1 is provided with long merlons 3 and/or sink 4, the long merlons 3 being arranged on two matrixes 1 and/
Or the alignment setting of sink 4.
Compared with prior art, it the beneficial effects of the present invention are compound noise reduction sintered saw bits provided by the invention, and adopts
It is compared with the welding saw blade of conventional sandwich matrix, only there are two steel disc matrix, without the noise reductions interlayer such as copper sheet, does not process welding
Counter sink, not spot welding, cost can be effectively reduced, while noise reduction effect is suitable.Compound noise reduction sintering saw provided by the invention
Piece, compared with conventional monolithic noise reduction sintered saw bits, no punching joint-cutting or injecting glue, cost is suitable, and noise reduction effect is significant.According to this
The compound noise reduction sintered saw bits manufactured are invented, have the advantages that at low cost, noise is small.
The above is only a preferred embodiment of the present invention, is not intended to restrict the invention, and comes for those skilled in the art
It says, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any modification, equivalent
Replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of production method of compound noise reduction sintered saw bits characterized by comprising
Step 1: two matrixes of setting, the face that described matrix is bonded to each other is adjusted its relative position afterwards relatively keeps it symmetrical；
Step 2: whole described matrix adjusted is compressed, then applies pressure and described matrix combination is made to form combination
Body；
Step 3: cutter head is arranged on combination.
2. the production method of compound noise reduction sintered saw bits according to claim 1, which is characterized in that
The position of form center of described matrix is provided with centre bore, long merlons is evenly equipped in the outer rim of described matrix；
In said step 1, there are two described matrix settings, the centre bore of two described matrixes is aligned first, is then rotated
Described matrix is aligned the long merlons in two described matrixes.
3. the production method of compound noise reduction sintered saw bits according to claim 1, which is characterized in that
It in the step 2, include manual compression and mechanical compaction to described matrix compression；
The manual compression are as follows: in two adjacent described matrixes, wherein in a described matrix, or described in two
On matrix, the spreading glue on the face that matrix is used to be bonded is bonded two described matrixes and is compressed with finger；
The mechanical compaction are as follows: described matrix is assembled on mo(u)ldenpress, then positioning compression.
4. the production method of compound noise reduction sintered saw bits according to claim 1, which is characterized in that
In the step 3, cutter head is gone out by dress powder, die mould, sintering, following process sinter molding on the combination.
5. the production method of compound noise reduction sintered saw bits according to claim 1, which is characterized in that
It is provided with long merlons and/or sink on the matrix；
In said step 1, described matrix is rotated into described matrix after, so that the long merlons and/or the sink pair
Together.
6. the production method of compound noise reduction sintered saw bits according to claim 3, which is characterized in that
In manual compression operation, the glue smeared on the matrix is 502 glue.
7. a kind of compound noise reduction sintered saw bits, which is characterized in that
Including there are two matrix (1), two described matrix symmetrical configurations and being bonded fixation by compression mode and forming combination,
There are cutter head (2) in the outer rim sinter molding of the combination.
8. compound noise reduction sintered saw bits according to claim 7, which is characterized in that
Two described matrixes are bonded by glue and are fixed.
9. compound noise reduction sintered saw bits according to claim 7, which is characterized in that
Two described matrixes are fixed by mo(u)ldenpress.
10. compound noise reduction sintered saw bits according to any one of claims 7 to 9, which is characterized in that
The outer rim of described matrix is provided with long merlons (3) and/or sink (4), the long merlons being arranged in two described matrixes
And/or the sink alignment setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353312.3A CN109986699A (en) | 2019-04-29 | 2019-04-29 | Compound noise reduction sintered saw bits and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353312.3A CN109986699A (en) | 2019-04-29 | 2019-04-29 | Compound noise reduction sintered saw bits and preparation method thereof |
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| CN109986699A true CN109986699A (en) | 2019-07-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247272A (en) * | 2020-09-11 | 2021-01-22 | 高斯(杭州)智能科技有限公司 | Noise reduction saw blade and preparation method thereof |
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| CN106003431A (en) * | 2016-06-30 | 2016-10-12 | 天津市兰依科技股份有限公司 | Sintered diamond circular saw web for cutting jade |
| CN206170360U (en) * | 2016-09-30 | 2017-05-17 | 石家庄蓝海工具有限公司 | Diamond saw blade of tooth structure is protected in area |
| CN206544252U (en) * | 2017-03-07 | 2017-10-10 | 江西众利超硬材料工具有限公司 | A kind of imperial crown cutter head sintered diamond saw blade quickly put the first edge on a knife or a pair of scissors |
| CN109333834A (en) * | 2018-12-26 | 2019-02-15 | 湖北攀峰钻石科技有限公司 | A kind of wear-resisting type marble saw blade |
| CN210126190U (en) * | 2019-04-29 | 2020-03-06 | 北京安泰钢研超硬材料制品有限责任公司 | Composite silencing sintered saw blade |
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