CN106625294A - Superhard abrasive tool and manufacturing method thereof - Google Patents
Superhard abrasive tool and manufacturing method thereof Download PDFInfo
- Publication number
- CN106625294A CN106625294A CN201610970484.1A CN201610970484A CN106625294A CN 106625294 A CN106625294 A CN 106625294A CN 201610970484 A CN201610970484 A CN 201610970484A CN 106625294 A CN106625294 A CN 106625294A
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- China
- Prior art keywords
- super hard
- hard abrasive
- tooth
- narrow
- narrow tooth
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- B24D18/009—Tools not otherwise provided for
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a superhard abrasive tool and a manufacturing method thereof. The superhard abrasive tool comprises a base body, a superhard abrasive and a brazing metal binding agent. A plurality of tooth graduation sections are arranged on the outer periphery of the base body. Chip removal grooves are formed between the adjacent tooth graduation sections. The height of narrow teeth on each tooth graduation section is gradually decreased and then increased periodically in the radial direction. The manufacturing method of the superhard abrasive tool comprises the steps of optimal design of ordered arrangement of the narrow teeth and manufacturing of the superhard abrasive tool. When the superhard abrasive tool conducts saw cutting and grinding, the superhard abrasive achieves a grinding effect step by step, the utilization rate of the abrasive is high, and the service life of the tool is long. The contact area between the abrasive and a machined object is decreased through the superhard abrasive tool, the self-sharpening performance of the abrasive is good, and the machining efficiency of the tool is high.
Description
Technical field
The present invention relates to a kind of super hard abrasive instrument, more particularly to a kind of super hard abrasive instrument and its manufacture method.
Background technology
At present, the preparation method of metallic bond super hard abrasive instrument mainly has galvanoplastic, sintering process and high temperature brazing method
Three kinds.
Super hard abrasive instrument is electroplated using nickel or nickel alloy as coated metal bonding agent, but between abrasive material and coated metal only
There is cast setting effect, coated metal holds low intensity to abrasive material, and abrasive material proud exposure is low.Sintering super hard abrasive instrument is adopted
Cobalt, iron, tin, bronze, nickel alloy are main metallic bond material, because abrasive material and metallic bond are difficult to form chemical knot
Close, abrasive material is also simply embedded in metallic bond by machinery, and metallic bond holds low intensity to abrasive material, and instrument goes out sword ability
Difference.Therefore, both instruments abrasive material in heavy load operation can come off too early, and abrasive material utilization rate is low, and life tools are short, plus work efficiency
Rate is low.
In order to solve the above problems, closely during the last ten years, Chinese scholars research and utilization method for brazing makes super hard abrasive instrument.
Study on Brazed Superabrasive Tools, its principle is by the chemical smelting between abrasive material, solder and matrix three using high-temp soldering method
Firm holding to abrasive material is realized in gold reaction so as to high in machining efficiency, chip space it is big, abrasive material utilization rate is high, workpiece table
Face is difficult the significant advantages such as burn.Because of single layer soldering super hard abrasive tool making easily, at present, material processing field is with individual layer pricker
Based on weldering super hard abrasive instrument, but single layer soldering super hard abrasive instrument exposes in use problems with：Due to soldering
Diamond saw blade, emery wheel, the working region of a beading are respectively the outside cylinder of the outer circumference surface, emery wheel and beading matrix of saw bit matrix
Face, the diamond abrasive on these faces is almost participated in and cuts grinding simultaneously, almost simultaneously after blunt, because being combined by force with bonding agent
Degree is high difficult for drop-off, and with the increase of processing object contact area, cutting resistance is big, and diamond abrasive is difficult to crush and goes out sword again, cuts
Cut efficiency reduces with crudy, if reducing the diamonds of tool surfaces, though cutting force is little, cutting efficiency is high, instrument
Short life.
The content of the invention
It is an object of the invention to provide the good super hard abrasive instrument of a kind of high in machining efficiency, long service life, crudy.
Technical scheme is as follows：
A kind of super hard abrasive instrument, including matrix, super hard abrasive and brazing metal bonding agent, the outer peripheral edge of described matrix sets
There are multiple points of tooth sections, chip area is provided between adjacent point of tooth section, there are multiple narrow teeth in described point of tooth section, it is narrow in each point of tooth section
Tooth height is raised after diametrically periodically first reducing step by step, and the super hard abrasive is fixed on a point tooth by brazing metal bonding agent
On the working region of section and the super hard abrasive that is fixed on narrow tooth periphery is in staged ordered arrangement.
Preferably, the super hard abrasive instrument includes matrix, super hard abrasive and brazing metal bonding agent, and described matrix external diameter is big
Small range is 60～200mm, and matrix width scope is 0.6～100mm, and described point of tooth section number is 4～16, the chip area
It is shaped as key slot or U-type groove or fish hook groove.
It is highly preferred that the super hard abrasive instrument includes matrix, super hard abrasive and brazing metal bonding agent, the narrow number of teeth model
Enclose for 50～260, narrow tooth width scope is 1.5～2.5mm, the difference of the radial height of adjacent narrow tooth is Δ h, and Δ h's is big
Small range is 0.6d～d (d is the diameter of super hard abrasive).
It is highly preferred that the super hard abrasive instrument includes matrix, super hard abrasive and brazing metal bonding agent, the narrow tooth is in footpath
It is 3 or 5 or 7 or 9 to the number in a cycle of height change.
Preferably, the super hard abrasive instrument includes matrix, super hard abrasive and brazing metal bonding agent, and the super hard abrasive is
Diamond or CBN, it is Ni based alloys or Cu-Sn-Ti alloys or Ag-Cu-Ti alloys that the brazing metal combines agent material.
Preferably, the super hard abrasive instrument includes matrix, super hard abrasive and brazing metal bonding agent, described point of tooth Duan Shanggong
The radial height a scope for making region is 4～15mm.
The manufacture method of the super hard abrasive instrument, including the Optimization Design and super hard abrasive instrument of narrow tooth ordered arrangement
Preparation method.It is described below respectively：
(1) Optimization Design of narrow tooth ordered arrangement
The species of super hard abrasive, granularity are determined according to the property and processing request of rapidoprint.For super hard abrasive instrument
Itself, in the case where brazing metal is fixed with reference to agent material, super hard abrasive species, granularity and bond strength, narrow tooth has
Sequence arrangement is the most important factor for determining super hard abrasive instrument comprehensive process performance, and narrow tooth ordered arrangement parameter here is including narrow
Tooth surpasses on number n, the difference Δ h of the radial height of adjacent narrow tooth and narrow tooth periphery in a cycle of radial height variations
Hard grind material number m.
Processing Theory and process practice are cut with reference to cutting, the present invention is carried for the narrow tooth ordered arrangement of optimization super hard abrasive instrument
A kind of practicable method, i.e. physical mathematics modeling method are supplied, it is under the supposed premise of some simplification, according to basic
Physical principles founding mathematical models, and pass through one kind side that set up Mathematical Modeling completes the narrow tooth ordered arrangement of optimization design
Method.Working (machining) efficiency V highest, service life S highest using super hard abrasive instrument during processing workpiece material has as narrow tooth
The object function of sequence arrangement optimization：
V=V (ap, w, D, he, k, Δ h, n, P)
S=S (ap, w, D, b, k, m, σa, P) and formula (I)
And with σb≥[σb], q≤[q], Rα≤[Rα] as main constraints, wherein, apGrinding depth is cut for instrument,
W is angular speed, external diameter based on D, heFor proud exposure, b is narrow tooth width, and k is the width of groove between adjacent narrow tooth, σaFor height
Abrasive particle self-strength after warm soldering, P is and the geometry of instrument and abrasive particle, the performance-relevant parameter of machined material.This
Outward, σbIllustrate by brazing metal bonding agent to constraints (σ determined by the holding intensity of super hard abrasiveb≥[σb] illustrate
Carcass bonding agent can not can take off to the holding intensity of super hard abrasive less than minimum this condition of holding intensity, otherwise super hard abrasive
Fall), q, Ra show respectively determined by contact arc area mean heat flux and workpiece surface roughness constraints (q≤
[q], Rα≤[Rα] condition with it is above similar).
Above-mentioned Mathematical Modeling (I) is solved, for machined material (such as：Granite, marble, ceramics, glass, gem and jade,
Metal, hard alloy, concrete, semiconductor, magnetic material) Property requirements can under given processing request and processing conditions
Obtain the optimal ordered arrangement parameter of narrow tooth, including narrow tooth number n, adjacent narrow tooth in a cycle of radial height variations
Super hard abrasive number m on the difference Δ h of radial height and narrow tooth periphery.According to the superhard of optimal narrow tooth ordered arrangement parameter making
Abrasive material tools are when workpiece is processed by with optimal comprehensive process performance.
It is 50/60 to granularity#Super hard abrasive instrument (external diameter is 100mm), process G635 Anxi red granites when, push away
It is 7 to recommend n, and it is 6～8 that Δ h is 0.3, m, and when marble is processed, recommendation n is 5, and Δ h is 8 for 0.3, m.
(2) preparation method of super hard abrasive instrument
The preparation method of super hard abrasive instrument successively including the pre-treatment of matrix, the coating of super hard abrasive and brazing filler metal alloy,
High temperature brazing (vacuum brazing or gas atmosphere soldering) and postorder process etc..
Compared to the prior art, the present invention has the advantage that：
(1), when sawing is ground, the super hard abrasive on the maximum narrow tooth of radial height is most for super hard abrasive instrument of the invention
First start working, the super hard abrasive that this grade of super hard abrasive is run out of on the narrow tooth of the low one-level of rear radial height is devoted oneself to work, so
Super hard abrasive is set to play ablation step by step, therefore, the super hard abrasive tool life is long.
(2) super hard abrasive instrument of the invention reduces the contact area of abrasive material and processing object, by the superhard abrasive of blunt
Material is easily broken and go out again sword, and it is little to cut grinding resistance, therefore, tool processes efficiency high, good stability, crudy is good.
Description of the drawings
Below in conjunction with the accompanying drawings the present invention is described in further detail with specific embodiment.
Fig. 1 is a kind of super hard abrasive instrument of the present invention.
Fig. 2 is a kind of super hard abrasive instrument partial schematic diagram (n is 7) of the present invention.
Fig. 3 is a kind of super hard abrasive instrument partial schematic diagram (n is 7) of the present invention.
Fig. 4 is a kind of super hard abrasive instrument partial schematic diagram (n is 5) of the present invention.
The specific embodiment of the present invention is illustrated with reference to the accompanying drawings.
As shown in figures 1-4, it is a kind of super hard abrasive instrument of the invention, including matrix 1, super hard abrasive 2 and brazing metal
Bonding agent 3, the outer peripheral edge of matrix is provided with multiple points of tooth sections 4, and in the present embodiment, Fig. 2～4 are shown as two points of tooth sections 4, adjacent
Divide between tooth section 4 and be provided with chip area 5, there are multiple narrow teeth 6 in point tooth section 4, the height of narrow tooth 6 in each point of tooth section 4 is diametrically
Raise after periodically first reducing step by step, super hard abrasive 2 is fixed on point working region of tooth section 47 by brazing metal bonding agent 3
And the super hard abrasive being fixed on narrow tooth periphery is in staged ordered arrangement.
The external diameter magnitude range of matrix 1 is 60～200mm, and the width range of matrix 1 is 0.6～100mm, and point number of tooth section 4 is 4
～16, chip area 5 is shaped as key slot or U-type groove or fish hook groove.
The quantitative range of narrow tooth 6 be 50～260, narrow tooth width scope be 1.5～2.5mm, adjacent narrow tooth radial height it
Difference is Δ h, and the magnitude range of Δ h is 0.6d～d (d is the diameter of super hard abrasive).
Number of the narrow tooth 6 in a cycle of radial height variations is 3 or 5 or 7 or 9.
Super hard abrasive 2 is diamond or CBN, the material of brazing metal bonding agent 3 be Ni based alloys or Cu-Sn-Ti alloys or
Ag-Cu-Ti alloys.
The radial height a scope for dividing working region 7 in tooth section 4 is 4～15mm.
The manufacture method of the super hard abrasive instrument, including the Optimization Design and super hard abrasive instrument of narrow tooth ordered arrangement
Preparation method, narrow tooth ordered arrangement parameter is narrow tooth number n, footpath of adjacent narrow tooth in a cycle of radial height variations
The super hard abrasive number m on the difference Δ h and narrow tooth periphery of height, the Optimization Design of narrow tooth ordered arrangement, i.e., with instrument
The target letter that working (machining) efficiency V highest, service life S highest during processing workpiece material optimizes as narrow tooth ordered arrangement
Number：
V=V (ap, w, D, he, k, Δ h, n, P)
S=S (ap, w, D, b, k, m, σa, P)
And with σb≥[σb], Q >=[Q], q≤[q], Rα≤[Rα] as main constraints, above-mentioned Mathematical Modeling is solved,
The optimal ordered arrangement of narrow tooth can be obtained under given processing request and processing conditions for the Property requirements of machined material
Parameter, including narrow tooth number n, difference Δ h of the radial height of adjacent narrow tooth and narrow in a cycle of radial height variations
Super hard abrasive number m on tooth periphery；The preparation method of super hard abrasive instrument includes successively pre-treatment, super hard abrasive and the pricker of matrix
Coating, high temperature brazing (vacuum brazing or gas atmosphere soldering) and postorder process of material alloy etc..
The specific embodiment of the present invention is above are only, but the design concept of the present invention is not limited thereto, it is all to utilize this
Design carries out the change of unsubstantiality to the present invention, all should belong to the behavior for invading the scope of the present invention.
Claims (7)
1. a kind of super hard abrasive instrument, including matrix, super hard abrasive and brazing metal bonding agent, it is characterised in that described matrix
Outer peripheral edge be provided with multiple points of tooth sections, chip area is provided between adjacent point of tooth section, have multiple narrow teeth in described point of tooth section, each point
Narrow tooth height in tooth section is raised after diametrically periodically first reducing step by step, and the super hard abrasive passes through brazing metal bonding agent
The super hard abrasive being fixed on point working region of tooth section and be fixed on narrow tooth periphery is in staged ordered arrangement.
2. super hard abrasive instrument as claimed in claim 1, it is characterised in that described matrix external diameter magnitude range is 60～
200mm, matrix width scope is 0.6～100mm, and described point of tooth section number is 4～16, and the chip area is shaped as key slot
Or U-type groove or fish hook groove.
3. super hard abrasive instrument as claimed in claim 1, it is characterised in that the narrow range of numbers of teeth is 50～260, narrow tooth
Width range is 1.5～2.5mm, and the difference of the radial height of adjacent narrow tooth is Δ h, and the magnitude range of Δ h is that (d is 0.6d～d
The diameter of super hard abrasive).
4. super hard abrasive instrument as claimed in claim 1 a, it is characterised in that week of the narrow tooth in radial height variations
Number in phase is 3 or 5 or 7 or 9.
5. super hard abrasive instrument as claimed in claim 1, it is characterised in that the super hard abrasive is diamond or CBN, described
It is Ni based alloys or Cu-Sn-Ti alloys or Ag-Cu-Ti alloys that brazing metal combines agent material.
6. super hard abrasive instrument as claimed in claim 1, it is characterised in that the radial height of working region in described point of tooth section
A scopes are 4～15mm.
7. the Optimization Design of the manufacture method of the super hard abrasive instrument, including narrow tooth ordered arrangement and super hard abrasive instrument
Preparation method, it is characterised in that the narrow tooth ordered arrangement parameter is narrow tooth number in a cycle of radial height variations
Super hard abrasive number m on n, the difference Δ h of the radial height of adjacent narrow tooth and narrow tooth periphery, the optimization of the narrow tooth ordered arrangement
Method for designing, i.e., the working (machining) efficiency V highest, service life S highest using instrument during processing workpiece material has as narrow tooth
The object function of sequence arrangement optimization：
V=V(ap, w, D, he, k, Δ h, n, P)
S=S (ap, w, D, b, k, m, σq, P)
And with σb≥[σb], Q >=[Q], q≤[q], Ra≤[Ra] as main constraints, above-mentioned Mathematical Modeling is solved, for quilt
The Property requirements of rapidoprint can obtain the optimal ordered arrangement parameter of narrow tooth, bag under given processing request and processing conditions
Include narrow tooth number n, the difference Δ h of the radial height of adjacent narrow tooth and narrow tooth periphery in a cycle of radial height variations
Upper super hard abrasive number m；The preparation method of the super hard abrasive instrument includes that successively pre-treatment, super hard abrasive and the solder of matrix is closed
Coating, high temperature brazing and postorder process of gold etc..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970484.1A CN106625294A (en) | 2016-10-27 | 2016-10-27 | Superhard abrasive tool and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970484.1A CN106625294A (en) | 2016-10-27 | 2016-10-27 | Superhard abrasive tool and manufacturing method thereof |
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| CN106625294A true CN106625294A (en) | 2017-05-10 |
Family
ID=58820928
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| CN201610970484.1A Pending CN106625294A (en) | 2016-10-27 | 2016-10-27 | Superhard abrasive tool and manufacturing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107866756A (en) * | 2017-12-05 | 2018-04-03 | 长沙理工大学 | A kind of micro groove structure multi-player super-hard abrasive material electroplating abrasion wheel and preparation method thereof in order |
| CN112683697A (en) * | 2020-12-22 | 2021-04-20 | 中国兵器工业标准化研究所 | Optimization method for temperature rise section control of superhard abrasive high-temperature treatment |
| CN113000934A (en) * | 2021-03-02 | 2021-06-22 | 江苏韦尔博新材料科技有限公司 | Brazing diamond saw blade for cutting casting material and cutting process thereof |
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| CN102319934A (en) * | 2011-07-29 | 2012-01-18 | 江苏华昌工具制造有限公司 | Brazing process of diamond saw blade |
| CN103506964A (en) * | 2013-09-17 | 2014-01-15 | 广东省电力线路器材厂 | Modified diamond abrasive tool and manufacturing method thereof |
| CN206185712U (en) * | 2016-10-27 | 2017-05-24 | 南昌大学 | Superhard abrasive material instrument |
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| CN1657257A (en) * | 2004-02-17 | 2005-08-24 | 河南黄河旋风股份有限公司 | Diamond saw bit and its manufacturing method |
| DE202006011514U1 (en) * | 2006-07-24 | 2006-09-28 | Jansen-Herfeld, Rick | Circular saw blade has on one side reinforcement ring connected by welding or solder union |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107866756A (en) * | 2017-12-05 | 2018-04-03 | 长沙理工大学 | A kind of micro groove structure multi-player super-hard abrasive material electroplating abrasion wheel and preparation method thereof in order |
| CN107866756B (en) * | 2017-12-05 | 2019-03-19 | 长沙理工大学 | A kind of preparation method of orderly micro groove structure multi-player super-hard abrasive material electroplating abrasion wheel |
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| CN112683697A (en) * | 2020-12-22 | 2021-04-20 | 中国兵器工业标准化研究所 | Optimization method for temperature rise section control of superhard abrasive high-temperature treatment |
| CN112683697B (en) * | 2020-12-22 | 2022-06-24 | 中国兵器工业标准化研究所 | Optimization method for temperature rise section control of superhard abrasive high-temperature treatment |
| CN113000934A (en) * | 2021-03-02 | 2021-06-22 | 江苏韦尔博新材料科技有限公司 | Brazing diamond saw blade for cutting casting material and cutting process thereof |
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Application publication date: 20170510 |