CN101569903A - Orientation order distribution of diamond in tool bit realization method - Google Patents
Orientation order distribution of diamond in tool bit realization method Download PDFInfo
- Publication number
- CN101569903A CN101569903A CNA2009100854538A CN200910085453A CN101569903A CN 101569903 A CN101569903 A CN 101569903A CN A2009100854538 A CNA2009100854538 A CN A2009100854538A CN 200910085453 A CN200910085453 A CN 200910085453A CN 101569903 A CN101569903 A CN 101569903A
- Authority
- CN
- China
- Prior art keywords
- diamond
- powder
- dip mold
- tool bit
- order distribution
- Prior art date
- 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.)
- Granted
Links
Images
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention relates to an orientation order distribution of diamond in a tool bit realization method. A dip mold with round orifice structure is adopted, a needle rod coordinated with the round orifice is arranged in the round orifice, the needle rod firstly descends the height of one diamond when beginning cold pressing, then a skip car equipped with diamonds streaks the dip mold and then streaks out, thus realizing putting one diamond in each needle hole, the dip mold containing the diamond descends to form a powder-loaded die cavity, the die cavity is filled with matrix powder and the needle rod pushes the diamond into the matrix powder, and then a top mold descends for pressing and forming on the matrix powder, thus obtaining single layer tool bit blank with orientation order distribution of diamond. One or a plurality of orientation order distribution of diamond tool bit blanks in different needle hole distribution modes which are pressed by different molds are assembled, pressed and sintered in certain way, thus realizing orientation order distribution of diamond in tool bit three dimensional space. The method utilizes popular cold and hot press device applied in the industry and has the characteristics of high preparation efficiency and low cost.
Description
Technical field
The present invention relates to a kind of preparation method of diamond tool cutter head, particularly a kind of method that realizes diamond orientation order distribution in cutter head.
Background technology
Diamond tool is that as shown in Figure 1, general diamond tool is made up of metallic matrix 1 and diamond segment 2 two parts with a kind of special tool(s) of the strongest diamond of the highest, the anti-abrasiveness of occurring in nature hardness as cutter unit.The characteristics of the cutter head that this method is made are diamond random distribution in cutter head, form adamantine accumulation area 3 or rare district 4 easily.At accumulation area, be difficult for sword owing to the suffered cutting force of diamond is too small; In the rare district of diamond, diamond concentration is low excessively, and it is huge that individual particle bears service load, makes the diamond particles power that is hit broken and come off too early, can not carry out effective machining.Therefore, adamantine effective rate of utilization is very low in the conventional diamond tool, has limited the instrument sharpness and the raising in life-span, causes instrument to produce the phenomenon that cutting efficiency is low or the cutting life-span is short in cutting process.
Realize that the orientation order distribution of diamond in cutter head is the effective ways that solve the diamond segregation, by diamond grit, grade, concentration, arrangement mode (adamantine spacing on the sword of cutter head top) etc. in the design cutter head, promptly can control the cutting speed and the cutting life-span of diamond tool.For example Chinese invention patent application No.200810031420.0 discloses " a kind of diamond location arrangement impregnated rock bit and manufacturing process thereof ", and wherein diamond is arranged in the diamond carcass in an orderly manner according to the assigned position of design.Concrete preparation method comprises: diamond carcass powder batch mixing-carcass powder is pressed into to be arranged diamond-multilayer thin stock combination carcass cutter head reduction-dress steel body sintering-cooling and demolding-finishing of colding pressing-cold pressing and packs on thin stock-thin stock.But, in the prior art, realize that the technology of the tool bit green of mono-layer diamond ordered arrangement is never effectively solved.Mono-layer diamond is ordered arrangement method in cutter head, and general employing is manually arranged and the automatic placement dual mode, and the former inefficiency does not possess commercial production conditions; The existing fewer companies of the latter such as U.S. 3M (US05092910), Korea S Shinhan (KOREA10-0645748-0000), Ewha companies such as (KOREA10-0502573-0000) realize cutter head production, but these methods are a system engineering normally, need to adopt special machinery equipment, therefore safeguard and the manufacturing expense height.
Summary of the invention
The preparation method who the purpose of this invention is to provide a kind of diamond orientation order distribution in cutter head, the cold-press process that particularly prepares the tool bit green of mono-layer diamond ordered arrangement, only use the cold, hot pressure equipment of widespread usage in the industry, promptly can realize the preparation of this type of cutter head.Therefore, this preparation method has preparation efficiency height, characteristics that cost is low.
In order to achieve the above object, the present invention is achieved in that
A kind of method that realizes diamond orientation order distribution in cutter head comprises:
(I) tool bit green of preparation mono-layer diamond orientation order distribution;
(II) the tool bit green combination compacting sintering of the mono-layer diamond oriented alignment that is pressed into of mould that one or more arrangement forms are different;
Above-mentioned (I) cold-press process for may further comprise the steps:
A. the mould of Cai Yonging comprises at least one dip mold 6, and a plurality of holes are arranged on the dip mold 6, and the spread pattern in these holes is adamantinely arranged identically with required, and needle bar 7 moving up and down is arranged respectively in each hole;
B. cold pressing when beginning, needle bar 7 descends more than or equal to an adamantine height in advance, then with diamond 8 inswept dip molds 6, makes to be distributed into a diamond in each pin hole;
The diamond 8 that C. will be arranged as the required position of arranging is colded pressing in carcass powder 9, makes the tool bit green of mono-layer diamond orientation order distribution.
Above-mentioned steps C comprises:
The dip mold 6 that has been distributed into diamond 8 is descending, and dip mold 6 forms the die cavity of adorning the carcass powder with former 5;
The carcass powder 9 of in above-mentioned die cavity, packing into;
Needle bar 7 relative dip molds 6 are up, and the diamond 8 that is arranged as the required position of arranging is pushed in the carcass powder 9;
Top die 10 is descending gives carcass powder 9 moulding of exerting pressure.
Hole on the dip mold 6 is a circular hole.
In above-mentioned steps B, the diamond cloth is to adopt the truck that diamond 8 is housed to streak, mark the dip mold 6 of band pit.
The tool bit green combination compacting sintering of the mono-layer diamond oriented alignment that the different mould of 1-n kind pin hole arrangement form is pressed into obtains the cutter head of diamond ordered arrangement in cutter head three dimensions, and n is≤20 positive integer.
D≤D≤2d, D are the diameter of circular hole, and d is a diamond particle diameter.
d≤D≤1.5d。
Before the beginning of colding pressing, former 5, dip mold 6 and needle bar 7 are on same horizontal plane.
Described diamond 8 is replaced by cubic boron nitride.
In this preparation method, the orientation order distribution of diamond in cutter head is that hot repressing becomes diamond segment after being pressed into a tool bit green by the tool bit green combination that several layers of diamond order are arranged, and the concrete diamond number of plies requires and difference according to cutter head thickness and cutting performance.This preparation method's core is how to realize the tool bit green of mono-layer diamond ordered arrangement.
Technical scheme of the present invention:
The dip mold of green compact mould of will colding pressing is designed to be with borehole structure, the spread pattern of these circular holes with required adamantine arrange identical, arrange as radial, helical form is arranged, equidistantly arrange etc., put into needle bar in the circular hole with the circular hole no-float, when colding pressing beginning, the needle bar adamantine height that in advance descends, adamantine truck is housed then advances to the dip mold top, diamond is inserted the pin hole that the descending back of needle bar forms naturally, because the pin hole degree of depth is a diamond size, diameter greater than a diamond grit less than two adamantine particle diameters, therefore a diamond can only be inserted in a hole, and truck marks again then, and the diamond of not inserting the hole is blown off, promptly realize being distributed in each pin hole a diamond, it is descending to be distributed into adamantine dip mold then, forms dress powder die cavity, is about to diamond behind the carcass powder of packing in the die cavity on the needle bar push in the carcass powder, top die is descending then gives the moulding of exerting pressure of carcass powder, promptly makes the tool bit green of mono-layer diamond orientation order distribution.The tool bit green of the mono-layer diamond oriented alignment that the mould that one or more pin hole arrangement forms are different is pressed into makes up compacting sintering by certain way, promptly obtains the cutter head of diamond ordered arrangement in cutter head three dimensions.
Compared with prior art, beneficial effect of the present invention is:
The method of making diamond orientation ordered arrangement cutter head provided by the invention is to realize by hole in the control mould and needle bar.Therefore, the adamantine positional precision height of arranging, the diamond process of arranging does not need to brush binding agent, avoids the adverse effect of binding agent to the cutter head performance, the diamond of can arranging rightly on the three dimensions of diamond segment efficiently, at low cost.This method adopts the equipment of the common diamond segment of colding pressing in addition, can realize that diamond is at three-dimensional ordered arrangement in the cutter head.Therefore, cutter head manufacturing cost and equipment maintenance cost are low.
This preparation method can realize diamond or the orientation order distributions in cutter head such as other super hard abrasive such as cubic boron nitride, thereby make diamond tool when cutting various hard brittle materials such as glass, pottery, stone material, armored concrete and pitch, the cutting life-span that obtains high sharpness and grow.
Description of drawings
Fig. 1 is a kind of traditional cutter head diamond tool schematic diagram, and diamond particles is randomly dispersed on the cutting top sword of cutter head.
Fig. 2 is the dip mold schematic diagram of a compacting diamond orientation ordered arrangement tool bit green.
Fig. 3 is the schematic diagram that diamond is distributed into dip mold.
Fig. 4 is the schematic diagram that the carcass powder is inserted mold cavity.
To be needle bar push schematic diagram in the carcass powder with diamond to Fig. 5.
Fig. 6 is the schematic diagram that upper and lower pressing mold will be realized the carcass powder press forming of diamond orientation ordered arrangement.
Fig. 7 is the mono-layer diamond orientation order distribution green compact depanning schematic diagram of press forming.
Reference numeral:
1. diamond segment 2. metallic matrixes 3. adamantine accumulation areas
4. adamantine rare district 5. formers, 6. dip molds, 7. needle bars
8. diamond 9. carcass powder 10. top dies
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
In traditional diamond tool, diamond is random distribution in cutter head, and as shown in Figure 1, this type of adamantine effective rate of utilization is very low, has limited the instrument sharpness and the raising in life-span.The effective ways that obtain the high cutting life-span in the time of raising instrument cutting speed are to realize diamond orientation order distribution in cutter head.The purpose of this invention is to provide a kind of adamantine method of can on the three dimensions of diamond segment, arranging rightly efficiently, at low cost.The present invention is described in detail with reference to the accompanying drawings.
The present invention is the tool bit green by compressed single diamond orientation ordered arrangement, then several pieces (deciding according to the cutter head desired thickness) green compact combination hot pressing are obtained the cutter head of diamond at the three dimensions orientation order distribution, the core of the method is the tool bit green of compressed single diamond orientation ordered arrangement; The realization of this method is that the dip mold with the tool bit green of colding pressing is designed to structure with holes, puts into the fine needle rod of no-float with it in the hole, as shown in Figure 2.The size in hole is relevant with used diamond particle diameter, is generally greater than a diamond particle diameter 2 times less than a diamond particle diameter, and optimal value is less than 1.5 times of a diamond particle diameter greater than a diamond particle diameter; When colding pressing beginning, former 5, dip mold 6 and needle bar 7 are on same horizontal plane, the height of needle bar 7 descending diamond particle diameter sizes at first, to form the hole that aligns by designing requirement this moment on the dip mold surface, adamantine truck is housed then streaks the dip mold 6 that marks the band pit again, can finish in the pit that diamond 8 is distributed into dip mold 6, as shown in Figure 3; The descending acquisition dress of the relative former with needle bar of dip mold powder die cavity streaks and marks die cavity by the truck that carcass powder 9 is housed subsequently, and the carcass powder is inserted die cavity, as shown in Figure 4.Diamond is distributed in the carcass powder, as shown in Figure 5.Being about to diamond 8 on the needle bar 7 relative dip molds 6 pushes in the carcass powder 9, and top die 10 descending exerting pressure will be distributed into the adamantine pine dress of individual layer orientation order distribution carcass powder and be pressed into the thin slice green compact, as shown in Figure 6 then; Be about on the last dip mold outside the thin slice pressed compact launch mode, as shown in Figure 7.So far, containing adamantine tool bit green of one deck orientation order distribution and compacting finishes, with several pieces diamond segment thin slice green compact combination hot repressing of adopting the mould compacting of the mould of identical diamond arrangement form or different diamond arrangement forms, can obtain the cutter head of diamond orientation order distribution in three dimensions.
Claims (10)
1. method that realizes diamond orientation order distribution in cutter head comprises:
(I) tool bit green of preparation mono-layer diamond orientation order distribution;
(II) the tool bit green combination compacting sintering of the mono-layer diamond oriented alignment that is pressed into of mould that one or more arrangement forms are different;
It is characterized in that: above-mentioned (I) cold-press process for may further comprise the steps:
A. the mould of Cai Yonging comprises at least one dip mold (6), and dip mold has a plurality of holes on (6), and the spread pattern in these holes is adamantinely arranged identically with required, and needle bar moving up and down (7) is arranged respectively in each hole;
B. cold pressing when beginning, needle bar (7) descends more than or equal to an adamantine height in advance, then with the inswept dip mold of diamond (8) (6), makes to be distributed into a diamond in each pin hole;
The diamond (8) that C. will be arranged as the required position of arranging is colded pressing in carcass powder (9), makes the tool bit green of mono-layer diamond orientation order distribution.
2. method according to claim 1, it is characterized in that: above-mentioned steps C comprises:
The dip mold (6) that will be distributed into diamond (8) is descending, and dip mold (6) forms the die cavity of adorning the carcass powder with former (5);
The carcass powder (9) of in above-mentioned die cavity, packing into;
Dip mold (6) is up relatively for needle bar (7), and the diamond (8) that is arranged as the required position of arranging is pushed in the carcass powder (9);
Top die (10) is descending gives carcass powder (9) moulding of exerting pressure.
3. method according to claim 1 is characterized in that: the hole on the dip mold (6) is a circular hole.
4. method according to claim 1 is characterized in that: in above-mentioned steps B, the diamond cloth is to adopt the truck that diamond (8) is housed to streak, mark the dip mold (6) of band pit.
5. method according to claim 1, it is characterized in that: the tool bit green combination compacting sintering of the mono-layer diamond oriented alignment that the different mould of 1-n kind pin hole arrangement form is pressed into, obtain the cutter head of diamond ordered arrangement in cutter head three dimensions, n is≤20 positive integer.
6. method according to claim 1 is characterized in that: d≤D≤2d, D are the diameter of circular hole, and d is a diamond particle diameter.
7. method according to claim 6 is characterized in that: d≤D≤1.5d.
8. method according to claim 1 is characterized in that: before the beginning of colding pressing, former (5), dip mold (6) and needle bar (7) are on same horizontal plane.
9. method according to claim 1, it is characterized in that: a kind of in the cobalt powder, nickel powder, iron powder, copper powder, manganese powder, glass putty, chromium powder, tungsten carbide, ditungsten carbide, bronze powder, brass powder, copper-nickel alloy powder, aluminium silica flour, iron phosphorus powder, iron aluminium powder, ferrotitanium powder, ferromanganese powder, ferrochrome powder of carcass powder (9), granularity is 0.147-0.02mm.
10. method according to claim 1 is characterized in that: described diamond (8) is replaced by cubic boron nitride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100854538A CN101569903B (en) | 2009-05-22 | 2009-05-22 | Realization method of oriented and orderly assignment of diamond in tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100854538A CN101569903B (en) | 2009-05-22 | 2009-05-22 | Realization method of oriented and orderly assignment of diamond in tool bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101569903A true CN101569903A (en) | 2009-11-04 |
| CN101569903B CN101569903B (en) | 2010-11-03 |
Family
ID=41229463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100854538A Active CN101569903B (en) | 2009-05-22 | 2009-05-22 | Realization method of oriented and orderly assignment of diamond in tool bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101569903B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855954A (en) * | 2017-11-10 | 2018-03-30 | 中国有色桂林矿产地质研究院有限公司 | A kind of method for making superabrasive particles ordered arrangement in mill |
| CN107855955A (en) * | 2017-11-10 | 2018-03-30 | 中国有色桂林矿产地质研究院有限公司 | A kind of method for making superabrasive particles ordered arrangement in emery wheel |
| CN107855953A (en) * | 2017-11-10 | 2018-03-30 | 中国有色桂林矿产地质研究院有限公司 | A kind of method for making superabrasive particles ordered arrangement in abrasive band |
| CN108907176A (en) * | 2018-07-19 | 2018-11-30 | 江苏华昌工具制造有限公司 | Carcass powder and diamond sinter |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116490B (en) * | 2017-05-05 | 2020-02-21 | 江苏锋泰工具有限公司 | SHS preparation method of segment type diamond tool bit |
-
2009
- 2009-05-22 CN CN2009100854538A patent/CN101569903B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855954A (en) * | 2017-11-10 | 2018-03-30 | 中国有色桂林矿产地质研究院有限公司 | A kind of method for making superabrasive particles ordered arrangement in mill |
| CN107855955A (en) * | 2017-11-10 | 2018-03-30 | 中国有色桂林矿产地质研究院有限公司 | A kind of method for making superabrasive particles ordered arrangement in emery wheel |
| CN107855953A (en) * | 2017-11-10 | 2018-03-30 | 中国有色桂林矿产地质研究院有限公司 | A kind of method for making superabrasive particles ordered arrangement in abrasive band |
| CN108907176A (en) * | 2018-07-19 | 2018-11-30 | 江苏华昌工具制造有限公司 | Carcass powder and diamond sinter |
| CN108907176B (en) * | 2018-07-19 | 2020-04-10 | 江苏华昌工具制造有限公司 | Matrix powder and diamond sintered body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101569903B (en) | 2010-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101285371B (en) | Fabrication technology of diamond positioning and arrangement impregnated rock bit | |
| US7134430B2 (en) | Cutting segment, method of manufacturing cutting segment, and cutting tool | |
| CN101569903B (en) | Realization method of oriented and orderly assignment of diamond in tool bit | |
| CN100381240C (en) | Cutting segment, method of manufacturing cutting segment, and cutting tool | |
| CA2604775C (en) | Cutting segment, method for manufacturing cutting segment, and cutting tool comprising the same | |
| CN101637821A (en) | Diamond orderly-arranged ultra-thin cold-rolled sintered tablet | |
| CN106956224B (en) | A kind of skive stick and preparation method thereof | |
| CN105149894A (en) | Method for manufacturing microstructure carbide blade | |
| CN103878375B (en) | A kind of preparation method of sintered carbide tools cutter head of positioning arrangement | |
| CN102889057A (en) | High-efficiency wear-resistant cutting tool | |
| CN103042474A (en) | Basalt fiber-reinforced ceramic bond cubic boron nitride (CBN) grinding wheel and preparation method of basalt fiber-reinforced ceramic bond CBN grinding wheel | |
| CN1218814C (en) | Method for manufacturing metal or ceramic bond superhard grinding tool | |
| CN206519847U (en) | A kind of molding gear disc sharpener roller | |
| CN113073942A (en) | Drill bit for drilling | |
| CN108673362B (en) | Preparation method of novel metal grinding block with orderly arranged diamonds | |
| CN103362445A (en) | Technology for preparing diamond sandwich type hard alloy mine rock drilling blade | |
| KR20170093982A (en) | Drill ring for core drill bit and method for manufacturing drill ring | |
| CN102581383B (en) | Manufacturing method and manufacturing device of superhard abrasive fret saw | |
| CN101362317A (en) | Special-shaped diamond sintering grinding block and manufacturing method thereof | |
| CN202701702U (en) | Device for cold-pressing molding of cutting tool with positioning and arrangement of diamonds | |
| WO2005081640A2 (en) | Method of molding metal powder | |
| CN110877130A (en) | Orderly positioned and weakened matrix self-forming multi-group gear-shaped diamond saw blade and manufacturing process thereof | |
| CN102785054A (en) | Device and method for cold press molding of diamond positioning arranging cutter | |
| CN2910560Y (en) | Multi-layer evenly distributed diamonds sintered blocks and saw bit thereof | |
| KR101153214B1 (en) | Method for manufacturing diamond grinding apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |