CN1730897A - Geological bit and its manufacturing method - Google Patents
Geological bit and its manufacturing method Download PDFInfo
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- CN1730897A CN1730897A CN 200510032103 CN200510032103A CN1730897A CN 1730897 A CN1730897 A CN 1730897A CN 200510032103 CN200510032103 CN 200510032103 CN 200510032103 A CN200510032103 A CN 200510032103A CN 1730897 A CN1730897 A CN 1730897A
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Abstract
The present invention discloses one kind of geological bit. The geological bit has carcass, which is sintered onto the top of steel body via cold pressing and hot pressing process, is constituted with coaxial and radially alternately set hard-to-wear layers and easy-to-wear layers including the outmost and the inmost hard-to-wear layers, and is divided with the water channels into several winged blocks. The present invention also discloses the making process of the geological bit. The geological bit has high efficiency, high quality stability, simple structure, easy manufacture, and reliable performance.
Description
Technical field
The present invention relates to a kind of drill bit, particularly relate to a kind of geology drill bit, the invention still further relates to the manufacture method of this geology drill bit.
Background technology
Hot pressing diamond impregnated bit technology is mainly still continued to use the production technology in the eighties at present, has certain limitation aspect quality stability.Be broadly divided into flat teeth drill bit and concentric teeth drill bit according to the carcass portion end surface shape.Flat teeth drill bit major defect is low relatively poor with quality stability for creeping into timeliness; Concentric teeth drill quality less stable, the initial stage timeliness is higher creeping into, but after concentric teeth ran out of, timeliness was the same with flat teeth drill bit.
Summary of the invention
Technical problem to be solved by this invention provides and a kind ofly creeps into that timeliness is higher, quality stability geology drill bit preferably.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of geology drill bit, comprise carcass and steel body, described carcass is made up of difficult wearing layer coaxial and radially alternate setting and layer easy to wear, the all awkward wearing layer of outermost layer and innermost layer, and described carcass evenly is separated into a plurality of wing pieces by guiding gutter.
Described difficult wearing layer material is: diamond+first metal powder material (Cu, Co, Ni, Wc etc.), described layer material easy to wear is: second metal powder material (Wc, Cu663, Cu, Fe etc.) or diamond+metal powder material (Wc, Cu663, Cu, Fe etc.).
Described difficult wearing layer material is that first metal powder material is by weight: WC20%-60%, Co10%-40%, Ni10%-20%, Cu663 10%-40%, diamond by volume are 70% one 110%; Described layer material easy to wear is that second metal powder material is by weight: WC10%-30%, Cu663 20%-40%, Cu20%-50%, Fe20-40%, diamond by volume are 0%-60%.
The manufacture method of described geology drill bit is: the first step, wear and tear powder and powder easy to wear of difficulty carried out alternate layering and be assembled into all awkward wearing and tearing powder of single wing piece and outermost layer and innermost layer; Second step, single wing piece is carried out pressure is 10～13Kg/cm
2Cold pressing; The 3rd step, the single wing piece after a plurality of the colding pressing is assembled into carcass combines with the steel body, putting in the graphite jig at pressure is 22～28Kg/cm
2, 980 ℃～1030 ℃ of sintering temperatures, temperature retention time was carried out hot pressed sintering in 11～12 minutes, was the geology drill bit.
Adopt the geology drill bit of technique scheme, in whole drilling process, the difficult wearing layer of carcass cuts boring to rock layer surface, layer easy to wear is is then worn and torn by rock layer surface, zigzag will appear in the drill bit labial surface, correspondingly form broken groove, promptly on rock mass, stay a rule phacolith, with the sawtooth formation " coincideing " on the drill bit labial surface in the rock layer surface of being crept into.Increased the plane of disruption like this, be equivalent to a plurality of thin drilling bits and creep at the same time, because the broken effect of grooves, the micro-crack in the phacolith is very flourishing, and intensity reduces greatly.Phacolith is had the bump extruding slightly by double direction shear in the drilling process of drill bit, and the phacolith part is just with the fragmentation of volume mode.The drill bit position of phacolith correspondence does not have diamond or a small amount of diamond not to influence fragmentation.That improves drill bit greatly creeps into timeliness and the drill bit compliance to the rock stratum.The drill bit labial surface with crept into after rock layer surface forms identical zigzag, reduced the vibration of drill bit, and can play the effect that prevents bore inclining, steering capability is good, improves hole quality greatly and the rate of coring.This kind drill bit carries out bigger improvement to technology, improves a lot on quality stability.Have following advantage:
1. the geology drill bit all keeps higher timeliness in whole drilling process;
2. the geology drill bit improves a lot aspect quality stability;
3. the geology drill bit is wide to the more common drill bit of the compliance of rock stratum;
4. geology drill bit steering capability in drilling process is good, can play the effect that prevents bore inclining, thereby improves hole quality greatly;
5. the geology drill bit is in drilling process, and more common drill bit reduces phenomenons such as vibration, and rig is steadily crept into;
6. the geology drill bit can improve the rate of coring of rock core in actual drilling process.
In sum, the present invention a kind ofly creeps into that timeliness is higher, quality stability is better and geology drill bit simple in structure, easily manufactured, dependable performance, and its manufacture method is simple and reliable.
Description of drawings
Fig. 1 is a carcass portion end face structure schematic diagram of the present invention;
Fig. 2 is the carcass portion sectional drawing;
Fig. 3 is the zigzag schematic diagram that the drill bit labial surface is occurred.
The specific embodiment
Referring to Fig. 1 and Fig. 2, carcass 3 adopt cold pressing-the pressure sintering sintering is at steel body 4 tops, carcass 3 is made up of difficult wearing layer 1 coaxial and radially alternate setting and layer 2 easy to wear, all awkward wearing layer 1 of outermost layer and innermost layer, and carcass 3 evenly is separated into a plurality of wing pieces 6 by guiding gutter 7.Difficult wearing layer 1 material is diamond+first metal powder material, and layer 2 material easy to wear are second metal powder material or diamond+second metal powder material.
Referring to Fig. 1, Fig. 2 and Fig. 3, in whole drilling process, 1 pair of rock layer surface of the difficult wearing layer of watt shape of carcass 3 is cut boring, watt shape layer 2 easy to wear is is then worn and torn by rock layer surface, zigzag 5 will appear in the drill bit labial surface, correspondingly forms many phacoliths in the rock layer surface of being crept into and causes a plurality of scope of freedoms, with the sawtooth formation " coincideing " on the drill bit labial surface, increased the plane of disruption like this, that improves drill bit greatly creeps into timeliness and the drill bit compliance to the rock stratum.The drill bit labial surface with crept into after rock layer surface forms identical zigzag, reduced the vibration of drill bit, and can play the effect that prevents bore inclining, steering capability is good, improves hole quality greatly and the rate of coring.
The invention will be further described below in conjunction with embodiment.
1. make general single Φ 75/54 * 10, difficult wearing and tearing powder formulation is by weight: WC50%, Co20%, Ni10%, Cu663 20%, diamond body volume concentrations are 70% etc., powder formulation easy to wear is by weight: WC10%, Cu663 40%, Cu20%, Fe30%, diamond by volume are 60% etc., and wear and tear powder and powder easy to wear of difficulty carried out all awkward wearing and tearing powder of alternate layering assembling and outermost layer and innermost layer and form single wing piece; Second step, single wing piece is carried out pressure is 10Kg/cm
2Cold pressing; The 3rd step, the single wing piece after a plurality of the colding pressing is assembled into carcass combines with the steel body, putting in the graphite jig at pressure is 22Kg/cm
2, 980 ℃ of sintering temperatures, temperature retention time was carried out hot pressed sintering in 11 minutes, was the geology drill bit.Mode of occupation: creeping into drillability is 8-9 level rock stratum, and timeliness is 2 times on a common drill bit, and the life-span has improved 40%.
2. make general single Φ 75/54 * 10, difficult wearing and tearing powder formulation is by weight: WC55%, Co15%, Ni10%, Cu663 20%, diamond by volume are 110% etc., powder formulation easy to wear is by weight: WC30%, Cu663 20%, Cu20%, Fe30% etc., pressure 10Kg/cm colds pressing
2, hot pressing pressure 22Kg/cm
2, sintering temperature 1010, temperature retention time 11 minutes.Mode of occupation: creeping into drillability is 7-8 level rock stratum, and timeliness is 2 times on a common drill bit, and the life-span has improved 40%.
3. making general single Φ 91/72 * 10 difficult wearing and tearing powder formulation is by weight: WC50%, Co20%, Ni10%, Cu663 20%, diamond by volume are 80% etc., powder formulation easy to wear is by weight: WC10%, Cu663 40%, Cu20%, Fe30%, wherein the diamond by volume is 60% etc., and pressure 12Kg/cm colds pressing
2, hot pressing pressure 28Kg/cm
2, sintering temperature 1010, temperature retention time 12 minutes.Mode of occupation: creeping into drillability is 8-9 level rock stratum, and timeliness is 1.8 times on a common drill bit, and the life-span has improved 30%.
4. make general single Φ 91/72 * 10, difficult wearing and tearing powder formulation is by weight: WC55%, Co15%, Ni10%, Cu663 20%, diamond by volume are 70% etc., powder formulation easy to wear is by weight: WC10%, Cu663 20%, Cu50%, Fe20% etc., pressure 12Kg/cm colds pressing
2, hot pressing pressure 28Kg/cm
2, sintering temperature 1030, temperature retention time 12 minutes.Mode of occupation: creeping into drillability is 7-8 level rock stratum, and timeliness is 1.8 times on a common drill bit, and the life-span has improved 30%.
5. making thin single drill bit Φ 110/92 * 12 difficult wearing and tearing powder formulation of geology is by weight: WC50%, Co20%, Ni10%, Cu663 20%, diamond by volume are 110% etc., powder formulation easy to wear is by weight: WC10%, Cu663 30%, Cu20%, Fe40%, diamond by volume are 30% etc., and pressure 13Kg/cm colds pressing
2, hot pressing pressure 28Kg/cm
2, sintering temperature 980, temperature retention time 12 minutes.Mode of occupation: creeping into drillability is 8-9 level rock stratum, and timeliness is 1.8 times on a common drill bit, and the life-span has improved 30%.
6. make the thin single drill bit Φ 110/92 * 12 of geology, difficult wearing and tearing powder formulation is by weight: WC55%, Co15%, Ni10%, Cu663 20%, diamond by volume are 70% etc., powder formulation easy to wear is by weight: WC10%, Cu66320%, Cu50%, Fe20, diamond by volume are 40% etc., and pressure 13Kg/cm colds pressing
2, hot pressing pressure 28Kg/cm
2, sintering temperature 1030, temperature retention time 12 minutes.Mode of occupation: creeping into drillability is 7-8 level rock stratum, and timeliness is 1.8 times on a common drill bit, and the life-span has improved 30%.
Claims (4)
1, a kind of geology drill bit, comprise carcass (3) and steel body (4), it is characterized in that: described carcass (3) is made up of coaxial and difficult wearing layer radially alternate setting (1) and layer easy to wear (2), the all awkward wearing layer (1) of outermost layer and innermost layer, and described carcass (3) evenly is separated into a plurality of wing pieces (6) by guiding gutter (7).
2, a kind of geology drill bit according to claim 1 is characterized in that: described difficult wearing layer (1) material is: diamond+first metal powder material, described layer (2) material easy to wear is: second metal powder material or diamond+second metal powder material.
3, a kind of geology drill bit according to claim 2, it is characterized in that: described difficult wearing layer (1) material is that first metal powder material is by weight: WC20%-60%, Co10%-40%, Ni 10%-20%, Cu663 10%-40%, diamond by volume are 70%-110%; Described layer (2) material easy to wear is that second metal powder material is by weight: WC10%-30%, 663Cu20%-40%, Cu20%-50%, Fe20-40%, diamond by volume are 0%-60%.
4, make the described geology drill bit of claim 1 method, it is characterized in that: the first step, wear and tear powder and powder easy to wear of difficulty carried out alternate layering and be assembled into all awkward wearing and tearing powder of single wing piece and outermost layer and innermost layer; Second step, single wing piece is carried out pressure is 10～13Kg/cm
2Cold pressing; The 3rd step, the single wing piece after a plurality of the colding pressing is assembled into carcass combines with the steel body, putting in the graphite jig at pressure is 22～28Kg/cm
2, 980 ℃～1030 ℃ of sintering temperatures, temperature retention time was carried out hot pressed sintering in 11～12 minutes, was the geology drill bit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510032103 CN1730897A (en) | 2005-09-02 | 2005-09-02 | Geological bit and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510032103 CN1730897A (en) | 2005-09-02 | 2005-09-02 | Geological bit and its manufacturing method |
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| CN1730897A true CN1730897A (en) | 2006-02-08 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016826B (en) * | 2007-03-08 | 2010-06-16 | 江汉石油钻头股份有限公司 | Bit body of diamond bit and manufacture method therefor |
| CN102061886A (en) * | 2010-12-10 | 2011-05-18 | 湖南飞碟新材料有限责任公司 | Drill bit |
| CN102182405A (en) * | 2011-04-01 | 2011-09-14 | 龚宏伟 | Layered composite type diamond drill bit and manufacturing process thereof |
| CN102587837A (en) * | 2011-01-10 | 2012-07-18 | 张鹰 | Labial surface shape of diamond-impregnated drill |
| CN102922607A (en) * | 2012-11-07 | 2013-02-13 | 山东日能超硬材料有限公司 | Gang saw cutting head for cutting granites and manufacture method thereof |
| CN104110216A (en) * | 2013-04-19 | 2014-10-22 | 苏州文鼎模具有限公司 | Core bit |
| CN104179457A (en) * | 2013-05-21 | 2014-12-03 | 金川集团股份有限公司 | Layered matrix blocks for diamond drill bit and drill bit using layered matrix blocks |
| CN104806171A (en) * | 2014-09-28 | 2015-07-29 | 湖南飞碟新材料有限责任公司 | Drill bit |
-
2005
- 2005-09-02 CN CN 200510032103 patent/CN1730897A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016826B (en) * | 2007-03-08 | 2010-06-16 | 江汉石油钻头股份有限公司 | Bit body of diamond bit and manufacture method therefor |
| CN102061886A (en) * | 2010-12-10 | 2011-05-18 | 湖南飞碟新材料有限责任公司 | Drill bit |
| CN102587837A (en) * | 2011-01-10 | 2012-07-18 | 张鹰 | Labial surface shape of diamond-impregnated drill |
| CN102182405A (en) * | 2011-04-01 | 2011-09-14 | 龚宏伟 | Layered composite type diamond drill bit and manufacturing process thereof |
| CN102922607A (en) * | 2012-11-07 | 2013-02-13 | 山东日能超硬材料有限公司 | Gang saw cutting head for cutting granites and manufacture method thereof |
| CN104110216A (en) * | 2013-04-19 | 2014-10-22 | 苏州文鼎模具有限公司 | Core bit |
| CN104179457A (en) * | 2013-05-21 | 2014-12-03 | 金川集团股份有限公司 | Layered matrix blocks for diamond drill bit and drill bit using layered matrix blocks |
| CN104806171A (en) * | 2014-09-28 | 2015-07-29 | 湖南飞碟新材料有限责任公司 | Drill bit |
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