CN102658605B - Manufacturing method of super-hard material high-wear-resistance precision support frame/block - Google Patents
Manufacturing method of super-hard material high-wear-resistance precision support frame/block Download PDFInfo
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- CN102658605B CN102658605B CN201210134068.XA CN201210134068A CN102658605B CN 102658605 B CN102658605 B CN 102658605B CN 201210134068 A CN201210134068 A CN 201210134068A CN 102658605 B CN102658605 B CN 102658605B
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- diamond
- composite sheet
- chamfering
- support frame
- sharpening
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- 239000000463 material Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 121
- 239000010432 diamond Substances 0.000 claims abstract description 121
- 239000000758 substrate Substances 0.000 claims abstract description 41
- 239000002131 composite material Substances 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000000853 adhesive Substances 0.000 claims abstract description 12
- 230000001070 adhesive effect Effects 0.000 claims abstract description 12
- 238000000227 grinding Methods 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 5
- 239000000956 alloy Substances 0.000 claims description 28
- 229910045601 alloy Inorganic materials 0.000 claims description 25
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 238000003698 laser cutting Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000003754 machining Methods 0.000 description 5
- 230000003213 activating effect Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Cutting Tools, Boring Holders, And Turrets (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The invention discloses a manufacturing method of a super-hard material high-wear-resistance precision support frame/block. The method comprises the following steps of: selecting a diamond composite sheet; cutting to a certain shape and a certain size; grinding the diamond composite sheet to an appropriate thickness; chamfering and sharpening the diamond composite sheet; bonding the diamond composite sheet on the fixed surface of a support substrate with a high-viscosity anaerobic structural adhesive; applying an instantaneous pressure of over 200g; naturally drying for 24 hours; and fixing the diamond composite sheet on the support substrate. In the method, a super hard material is selected and ground, and a fixing way of the super hard material and the support substrate is changed, so that the manufactured support frame/block has the characteristics of high wear resistance, high accuracy and high strength, and has the advantages of simple process, easiness for implementing and low manufacturing cost.
Description
Technical Field
The invention relates to the field of machining and mechanical manufacturing, in particular to a manufacturing method of a super-hard material high-wear-resistance precision support frame/block.
Background
The support frame/block is widely applied to the machining and mechanical manufacturing industries, and has the main function of supporting. The biggest difficulties of the support frame/block are wear resistance and verticality, and the support frame/block is usually made of harder materials such as hardened steel and the like. In recent years, hard alloy materials are adopted to manufacture the support frame/block, and the problems of the adoption of the materials are that the price of the hard alloy is high and the weight of the hard alloy is heavy. However, for the equipment for processing the hard alloy material, the supporting frame/block made of the hard alloy material cannot meet the use requirement.
In recent years, supports/blocks featuring superhard materials have begun to be manufactured. When such a support frame/block is manufactured, a superhard material (such as natural diamond, polycrystalline diamond or cubic boron nitride) is usually welded on a support body to form the support frame/block, and the support frame/block has the advantage of increasing the wear resistance of the support frame/block, but because the superhard material is easily deformed during welding the support body, the support frame/block with high precision cannot be manufactured, and the problem of complicated processing technology exists.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for manufacturing a superhard material high-wear-resistance precision support frame/block, which ensures that the manufactured support frame/block has the characteristics of high wear resistance, high precision and high strength by selecting and grinding the superhard material and changing the fixing mode of the superhard material and a support substrate, and has the advantages of simple process, easy realization and low manufacturing cost.
The technical scheme adopted by the invention for solving the technical problems is as follows: a manufacturing method of a superhard material high-wear-resistance precision support frame/block comprises the following steps:
selecting a diamond compact with a first thickness dimension, and cutting the diamond compact into a certain shape dimension by adopting a laser cutting mode;
grinding the diamond compact cut into a certain shape and size by adopting a plane sharpening mode to reduce the thickness of the diamond compact to a second thickness and size;
carrying out chamfering and sharpening treatment on the diamond compact processed into the second thickness dimension, wherein the chamfering and sharpening treatment comprises the step of carrying out chamfering and sharpening treatment on one side or multiple sides of one side of the diamond thin layer to form a negative chamfer of 0.3-45 degrees;
and fixing the diamond composite sheet subjected to chamfering and sharpening treatment on a supporting base body in a glue bonding and fixing mode, wherein during bonding, high-viscosity anaerobic structural adhesive is uniformly coated on one surface of a hard alloy substrate of the diamond composite sheet and a fixing surface of the supporting base body, then one surface of the hard alloy substrate of the diamond composite sheet is adhered on the fixing surface of the supporting base body, simultaneously, more than 200 g of instantaneous pressure is applied, and after 24 hours of natural drying, the diamond composite sheet subjected to chamfering and sharpening treatment is fixed on the supporting base body.
The first thickness dimension of the diamond compact is 1.6 millimeters.
The second thickness dimension of the diamond compact is 1.2 millimeters.
The chamfering and sharpening process also comprises the step of chamfering and sharpening one side face of the diamond composite sheet by 45 degrees to form a 45-degree inclined face on one face of the diamond thin layer in the coplanarity with the hard alloy substrate.
The invention relates to a method for manufacturing a superhard material high-wear-resistance precision support frame/block, which comprises the selection of superhard materials, wherein the selection of the superhard materials determines the wear resistance of a workpiece, a diamond composite sheet is selected, the diamond composite sheet is usually composed of a diamond thin layer and a hard alloy substrate, the diamond composite sheet with the thickness of 1.6 mm is sold on the market, the thicknesses of the diamond thin layer and the hard alloy substrate of the diamond composite sheet are fixed, therefore, the diamond composite sheet needs to be thinned, namely, one part of the hard alloy substrate of the diamond composite sheet is ground, the thickness ratio of the diamond thin layer to the hard alloy substrate can enable the stress of the diamond composite sheet to be in the optimal state, and the thinned diamond composite sheet is in the optimal stress state when the thickness size of 1.2 mm through experiments. In order to ensure that the support frame/block is not damaged after being subjected to a large impact force, the cutting edge of the diamond compact is processed, ground, chamfered and increased in angle; during grinding and chamfering sharpening, three modes are mainly adopted, one mode is plane sharpening, the other mode is chamfering sharpening, and the other mode is 45-degree angle sharpening. The invention adopts a mode of bonding the diamond compact with a supporting substrate by adopting a high-viscosity anaerobic structural adhesive, so that the diamond compact is fixed on the supporting substrate, the high-viscosity anaerobic structural adhesive adopts a product sold in the market, and an activating agent can be properly added according to the requirement to help curing, but the activating agent is not necessary, and the curing agent is not used under the general condition, and is only used under the condition of small bonding area; in addition, the surface to be bonded is cleaned with an aqueous cleaning solution before bonding, and the surface is clean and free of grease, and it is important to check the compatibility between the cleaning solution and the adhesive.
The invention has the advantages that the diamond composite sheet is adopted as the superhard material, the diamond composite sheet is thinned to achieve the optimal stress state, the diamond composite sheet is chamfered and sharpened to ensure that the support frame/block is not damaged after being subjected to great impact force, the high-viscosity anaerobic structural adhesive is adopted to realize the fixation between the diamond composite sheet and the support base body, the defect that the superhard material is easy to deform in the process of welding the superhard material to the support body in the original mode is eliminated, and the manufactured support frame/block has the characteristics of high wear resistance, high precision and high strength and has the advantages of simple process, easy realization and low manufacturing cost.
The invention is further explained in detail with the accompanying drawings and the embodiments; however, the method for manufacturing the super-hard material high-wear-resistance precision support frame/block is not limited to the embodiment.
Drawings
FIG. 1 is a schematic structural diagram of a support frame manufactured according to the present invention;
FIG. 2 is a schematic diagram of a diamond compact of a support frame according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a supporting base of a supporting rack according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a V-shaped support frame manufactured according to the second embodiment of the present invention;
FIG. 5 is a schematic diagram of the construction of a diamond compact of a V-shaped support frame according to the second embodiment of the present invention;
FIG. 6 is a front view of a diamond compact of a V-shaped support made in accordance with the second embodiment of the present invention;
FIG. 7 is a side view of a diamond compact of a V-shaped support frame made in accordance with a second embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a supporting base of a V-shaped supporting frame according to a second embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a V-shaped support frame manufactured according to the third embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a V-shaped support frame manufactured according to the fourth embodiment of the present invention;
FIG. 11 is a schematic view showing the construction of a V-shaped support block according to the fifth embodiment of the present invention;
FIG. 12 is a schematic view showing the construction of a supporting base of a V-shaped supporting block according to the fifth embodiment of the present invention;
fig. 13 is a schematic structural view of a micro milling mandril manufactured according to the sixth embodiment of the invention.
Detailed Description
In a first embodiment, referring to fig. 1 to 3, a method for manufacturing a superhard material high-wear-resistance precision support frame/block of the present invention includes:
selecting a diamond compact with a first thickness dimension, wherein the diamond compact is composed of a diamond thin layer and a hard alloy substrate, and cutting the diamond compact into a certain shape dimension by adopting a laser cutting mode; the embodiment is a rectangle cut into a certain size, and the size of the size is determined according to actual needs;
grinding the diamond compact cut into a certain shape and size by adopting a plane sharpening mode to reduce the thickness of the diamond compact to a second thickness and size; the thinned diamond compact 1 consists of a diamond thin layer 11 and a hard alloy substrate 12;
the diamond compact 1 processed into the second thickness dimension is subjected to chamfering and sharpening treatment, wherein the chamfering and sharpening treatment comprises chamfering and sharpening treatment on one side or multiple sides of one side of the diamond thin layer, and in the embodiment, two opposite sides of one side of the diamond thin layer are subjected to chamfering and sharpening treatment to form a negative chamfer 111 of 0.3 × 45 degrees;
the diamond compact 1 after the chamfering and sharpening treatment is fixed on a supporting base body 2 in a glue bonding and fixing mode, during bonding, high-viscosity anaerobic structure adhesives are evenly coated on one surface of a hard alloy substrate 12 of the diamond compact and a fixing surface of the supporting base body 2, then one surface of the hard alloy substrate of the diamond compact 1 is attached on the fixing surface of the supporting base body 2, meanwhile, more than 200 g of instantaneous pressure is applied, and after 24 hours of natural drying, the diamond compact 1 after the chamfering and sharpening treatment is fixed on the supporting base body 2, so that the superhard material high-wear-resistance precise supporting frame is formed.
Wherein,
the first thickness dimension of the diamond compact is 1.6 millimeters;
the second thickness dimension of the diamond compact is 1.2 millimeters.
In a second embodiment, referring to fig. 4 to 8, the method for manufacturing a super-hard material high-wear-resistance precision support frame/block of the present invention is used for manufacturing a V-shaped support frame, and includes:
selecting a diamond compact with a first thickness dimension, wherein the diamond compact is composed of a diamond thin layer and a hard alloy substrate, and cutting the diamond compact into a certain shape dimension by adopting a laser cutting mode; the embodiment is a rectangle cut into a certain size, and the size of the size is determined according to actual needs; because the V-shaped support frame is manufactured, two diamond compact sheets are needed;
grinding the diamond compact cut into a certain shape and size by adopting a plane sharpening mode to reduce the thickness of the diamond compact to a second thickness and size; the thinned diamond compact 3 consists of a diamond thin layer 31 and a hard alloy substrate 32;
the diamond compact 3 processed into the second thickness dimension is processed by chamfering and sharpening, the chamfering and sharpening process comprises the chamfering and sharpening process of one side or a plurality of sides of one side of the diamond thin layer, the chamfering and sharpening process of two opposite sides of one side of the diamond thin layer is processed by chamfering and sharpening, a negative chamfer 311 of 0.3 x 45 degrees is formed, one side of the diamond compact 3 is also used for being connected with the supporting base 4, therefore, the side is kept as a vertical surface, and the other side opposite to the side is processed by chamfering and sharpening the other side of the diamond compact by 45 degrees, so that the side of the diamond thin layer and the hard alloy substrate which are coplanar forms a 45-degree inclined surface 33;
the diamond compact 3 after the chamfering and sharpening treatment is fixed on a supporting base 4 in a glue bonding and fixing mode, during bonding, high-viscosity anaerobic structural adhesive is uniformly coated on one surface of a hard alloy substrate 12 of the diamond compact and the vertical side surface of the diamond compact 3 and the fixing surface corresponding to the supporting base 4, then the one surface of the hard alloy substrate of the diamond compact 3 and the vertical side surface of the diamond compact 3 are respectively adhered on the corresponding fixing surfaces of the supporting base 2, more than 200 g of instantaneous pressure is applied at the same time, and after 24 hours of natural drying, the diamond compact 3 after the chamfering and sharpening treatment is fixed on the supporting base 4, so that the superhard material high-wear-resistance precise V-shaped supporting frame is formed.
Wherein,
the first thickness dimension of the diamond compact is 1.6 millimeters;
the second thickness dimension of the diamond compact is 1.2 millimeters.
The invention relates to a method for manufacturing a superhard material high-wear-resistance precision support frame/block, which comprises the selection of superhard materials, wherein the selection of the superhard materials determines the wear resistance of a workpiece, a diamond composite sheet is selected, the diamond composite sheet is usually composed of a diamond thin layer and a hard alloy substrate, the diamond composite sheet with the thickness of 1.6 mm is sold on the market, the thicknesses of the diamond thin layer and the hard alloy substrate of the diamond composite sheet are fixed, therefore, the diamond composite sheet needs to be thinned, namely, one part of the hard alloy substrate of the diamond composite sheet is ground, the thickness ratio of the diamond thin layer to the hard alloy substrate can enable the stress of the diamond composite sheet to be in the optimal state, and the thinned diamond composite sheet is in the optimal stress state when the thickness size of 1.2 mm through experiments. In order to ensure that the support frame/block is not damaged after being subjected to a large impact force, the cutting edge of the diamond compact is processed, ground, chamfered and increased in angle; during grinding and chamfering sharpening, three modes are mainly adopted, one mode is plane sharpening, the other mode is chamfering sharpening, and the other mode is 45-degree angle sharpening. The invention adopts a mode of bonding the diamond compact with a supporting substrate by adopting a high-viscosity anaerobic structural adhesive, so that the diamond compact is fixed on the supporting substrate, the high-viscosity anaerobic structural adhesive adopts a product sold in the market, and an activating agent can be properly added according to the requirement to help curing, but the activating agent is not necessary, and the curing agent is not used under the general condition, and is only used under the condition of small bonding area; in addition, the surface to be bonded is cleaned with an aqueous cleaning solution before bonding, and the surface is clean and free of grease, and it is important to check the compatibility between the cleaning solution and the adhesive.
According to the manufacturing method of the superhard material high-wear-resistance precision support frame/block, in the thinning process of the diamond compact, if thinning is improper, one side of a diamond thin layer of the diamond compact is deformed, namely the diamond surface is raised, in order to fully release stress in thinning, the machining heat is reduced and the machining abrasion amount is reduced by increasing the flow of cooling liquid in the thinning process, and the machining stress is buffered (released) by pausing for 1 minute every 0.1 millimeter of thinning, so that the product quality is ensured and the deformation caused by residual stress after a finished product is eliminated.
In a third embodiment, referring to fig. 9, the method for manufacturing a superhard material high-wear-resistance precision support frame/block of the present invention is also used for manufacturing a V-shaped support frame, wherein the V-shaped support frame comprises a diamond compact 3 and a support substrate 4, and the difference from the second embodiment is that the structure of the support substrate 4 is different.
In a fourth embodiment, referring to fig. 10, the manufacturing method of the superhard material high-wear-resistance precision support frame/block of the present invention is also used for manufacturing a V-shaped support frame, and the V-shaped support frame includes a diamond compact 3 and a support substrate 4, which is different from the second embodiment in that the structure of the support substrate 4 is different.
Fifth embodiment, referring to fig. 11 to 12, a method for manufacturing a superhard material high-wear-resistance precision support frame/block according to the present invention is used for manufacturing a V-shaped support block, and the V-shaped support block also includes a diamond compact 3 and a support substrate 4, and is different from the second embodiment in that the structure of the support substrate 4 is different, a caulking groove 41 is formed on the support substrate 4, and the diamond compact 3 is bonded in the caulking groove 41 on the support substrate 4.
In a sixth embodiment, referring to fig. 13, the method for manufacturing a superhard material high-wear-resistance precision support frame/block of the present invention is used for manufacturing a micro-milling mandril, similar to a V-shaped support frame, and the micro-milling mandril also includes a diamond compact 3 and a support substrate 4, and is different from the second embodiment in that the structure of the support substrate 4 is different, and the shape of the diamond compact 3 is also different.
The above embodiments are only used to further illustrate the method for manufacturing the superhard material high-wear-resistance precision support frame/block of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention fall within the protection scope of the technical solution of the present invention.
Claims (2)
1. A manufacturing method of a superhard material high-wear-resistance precision support frame/block is characterized by comprising the following steps: the method comprises the following steps:
selecting a diamond compact with a first thickness dimension, and cutting the diamond compact into a certain shape dimension by adopting a laser cutting mode; the first thickness dimension of the diamond compact is 1.6 millimeters;
grinding the diamond compact cut into a certain shape and size by adopting a plane sharpening mode to reduce the thickness of the diamond compact to a second thickness and size; the second thickness dimension of the diamond compact is 1.2 millimeters; wherein, in the thinning process, the processing stress is buffered by stopping for 1 minute when thinning for 0.1 millimeter;
carrying out chamfering and sharpening treatment on the diamond compact processed into the second thickness dimension, wherein the chamfering and sharpening treatment comprises the step of carrying out chamfering and sharpening treatment on one side or multiple sides of one side of the diamond thin layer to form a negative chamfer of 0.3-45 degrees;
and fixing the diamond composite sheet subjected to chamfering and sharpening treatment on a supporting base body in a glue bonding and fixing mode, wherein during bonding, high-viscosity anaerobic structural adhesive is uniformly coated on one surface of a hard alloy substrate of the diamond composite sheet and a fixing surface of the supporting base body, then one surface of the hard alloy substrate of the diamond composite sheet is adhered on the fixing surface of the supporting base body, simultaneously, more than 200 g of instantaneous pressure is applied, and after 24 hours of natural drying, the diamond composite sheet subjected to chamfering and sharpening treatment is fixed on the supporting base body.
2. The method for manufacturing the superhard material high-wear-resistance precision support frame/block as claimed in claim 1, wherein: the chamfering and sharpening process also comprises the step of chamfering and sharpening one side face of the diamond composite sheet by 45 degrees to form a 45-degree inclined face on one face of the diamond thin layer in the coplanarity with the hard alloy substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210134068.XA CN102658605B (en) | 2012-05-02 | 2012-05-02 | Manufacturing method of super-hard material high-wear-resistance precision support frame/block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210134068.XA CN102658605B (en) | 2012-05-02 | 2012-05-02 | Manufacturing method of super-hard material high-wear-resistance precision support frame/block |
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| Publication Number | Publication Date |
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| CN102658605A CN102658605A (en) | 2012-09-12 |
| CN102658605B true CN102658605B (en) | 2015-05-20 |
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| CN201210134068.XA Expired - Fee Related CN102658605B (en) | 2012-05-02 | 2012-05-02 | Manufacturing method of super-hard material high-wear-resistance precision support frame/block |
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| JP7378716B2 (en) * | 2018-10-24 | 2023-11-14 | 日東電工株式会社 | End mill manufacturing method |
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| CN2751973Y (en) * | 2004-10-28 | 2006-01-18 | 泉州金山石材工具科技有限公司 | Grinding tool including ultrafine size diamond tool bit synthetized from metal binding agent |
| CN101380751A (en) * | 2008-10-21 | 2009-03-11 | 上海江信超硬材料有限公司 | Diamond composite crystal combination lockable four-side knife and manufacture method thereof |
| CN101870086A (en) * | 2009-04-27 | 2010-10-27 | 三菱综合材料株式会社 | CMP trimmer and manufacture method thereof |
| CN102218567A (en) * | 2011-05-30 | 2011-10-19 | 襄樊博亚精工机器有限公司 | Improved-alloy compound cutting disc blade |
| CN202062522U (en) * | 2011-05-11 | 2011-12-07 | 晶日金刚石工业有限公司 | Ultrathin diamond saw blade cemented with flange plates |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100466510B1 (en) * | 2004-05-10 | 2005-01-15 | 신한다이아몬드공업 주식회사 | Metal plate insert type diamond tools |
| DE102010006797B4 (en) * | 2010-02-04 | 2011-12-22 | Kennametal Inc. | drilling |
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- 2012-05-02 CN CN201210134068.XA patent/CN102658605B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2751973Y (en) * | 2004-10-28 | 2006-01-18 | 泉州金山石材工具科技有限公司 | Grinding tool including ultrafine size diamond tool bit synthetized from metal binding agent |
| CN101380751A (en) * | 2008-10-21 | 2009-03-11 | 上海江信超硬材料有限公司 | Diamond composite crystal combination lockable four-side knife and manufacture method thereof |
| CN101870086A (en) * | 2009-04-27 | 2010-10-27 | 三菱综合材料株式会社 | CMP trimmer and manufacture method thereof |
| CN202062522U (en) * | 2011-05-11 | 2011-12-07 | 晶日金刚石工业有限公司 | Ultrathin diamond saw blade cemented with flange plates |
| CN102218567A (en) * | 2011-05-30 | 2011-10-19 | 襄樊博亚精工机器有限公司 | Improved-alloy compound cutting disc blade |
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