CN105671398B - The processing method of hard alloy rock drilling tooth - Google Patents
The processing method of hard alloy rock drilling tooth Download PDFInfo
- Publication number
- CN105671398B CN105671398B CN201610060963.XA CN201610060963A CN105671398B CN 105671398 B CN105671398 B CN 105671398B CN 201610060963 A CN201610060963 A CN 201610060963A CN 105671398 B CN105671398 B CN 105671398B
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- China
- Prior art keywords
- abaculus
- inlay
- transition
- tooth body
- abrasive material
- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/005—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Abstract
The invention discloses a kind of processing method of hard alloy rock drilling tooth, including processing a kind of hard alloy rock drilling tooth, hard alloy rock drilling tooth includes the brill tooth body of head circular arc, abaculus, the top of transition inlay, the abaculus and the transition inlay and the brill tooth body is on an arc-shaped transitional surface；Its procedure of processing includes：A batch mixings：The raw material of the brill tooth body, the transition inlay and the abaculus is respectively put into after ball milling in rotary mill, discharging and sequentially forms brill tooth body abrasive material, transition inlay abrasive material and abaculus abrasive material；B die moulds, are dried；C is sintered：Sintered using ladder.The problem of processing method that the present invention can solve existing hard alloy rock drilling tooth can not take into account hardness wearability and toughness.
Description
Technical field
The present invention relates to hard alloy cutter processing equipment technical field, especially a kind of rock chisel manufactured with hard alloy
The processing method for boring tooth.
Background technology
Hard alloy rock drilling tooth, because rock chisel needs the rotation of high speed, thus needs higher toughness with not easy to break,
And rock chisel needs higher hardness and wearability, quickly to dig rock.And the existing rock chisel manufactured with hard alloy
Tooth is bored, typically all includes the brill tooth body of head circular arc, is all only to consider to meet the hardness and wearability of rock chisel, in hard alloy
Middle Co contents are less and WC grain size is smaller, cause brill tooth plasticity poor, and easy stress relaxation causes crackle even fragmentation.Cause
And need design it is a kind of can take into account the hard alloy rock drilling tooth and its processing method of hardness wearability and toughness, to meet city
The need for.
The content of the invention
Problem to be solved by this invention is to provide a kind of processing method of hard alloy rock drilling tooth, existing hard to solve
The problem of matter alloy rock drilling tooth can not take into account hardness wearability and toughness.
In order to solve the above problems, the technical scheme is that：The processing method of this hard alloy rock drilling tooth includes
A kind of hard alloy rock drilling tooth is processed, the hard alloy rock drilling tooth includes the brill tooth body of head circular arc, the brill tooth
One piece of abaculus is embedded with the top of body, transition inlay, the abaculus and the mistake are provided between the abaculus and the brill tooth body
The top of inlay and the brill tooth body is crossed on an arc-shaped transitional surface；
It is described bore tooth body the mass percentage contents of feed components be：Hard phase 84%~90%, Binder Phase 9.5%~
15.7%, additive 0.3%~0.5%；Hard phase is WC and ceramics, and WC and ceramic mass ratio are 1.0:1.0, particle diameter 1.0um~
8.0um；The mass percentage content of the feed components of the transition inlay is：Hard phase 78%~85%, Binder Phase 14.5%~
21.7%, additive 0.3%~0.5%；Hard phase is WC and ceramics, and WC and ceramic mass ratio are 1.0:1.1, particle diameter 8.0um~
10.0um；The quality of the feed components of the abaculus is than content：Hard phase 72%~78%, Binder Phase 21.5%~27.7%,
Additive 0.3%~0.5%；Hard phase is WC and ceramics, and WC and ceramic mass ratio are 1.0:1.2, particle diameter 10.0um~12.0um；
Its procedure of processing includes：A batch mixings：The raw material of the brill tooth body, the transition inlay and the abaculus is put respectively
Enter to sequentially form brill tooth body abrasive material, transition inlay abrasive material and abaculus abrasive material after ball milling in rotary mill, discharging；B die moulds：Will be embedding
Block abrasive material has in the pressing mold of the abaculus shape in being put into, and the pressing mold is at the top of the abaculus and afterbody position of center line reserves base
Directrix, uses powder compaction press die mould, dries；Have in being put into afterwards in the pressing mold of the transition inlay shape, with the abaculus top
Portion and afterbody center line are basic, place into transition inlay abrasive material, use powder compaction press die mould, are dried；In being put into afterwards
State in the pressing mold for boring tooth shape, be basic using abaculus top and afterbody center line, place into brill tooth body abrasive material, use powder
Press die mould, is dried；C is sintered：Sintered using ladder, nitrogen and ar pressure pressure are 50~60Pa, 1600 ° of sintering temperature
C~1700 °C.
In above-mentioned technical scheme, more specifically technical scheme can be：The abaculus is that top is less than afterbody
Wedge shape.
Further：The tail end that tooth body is bored to the brill tooth body since the tail end of the transition inlay is provided with one
Radiating groove.
By adopting the above-described technical solution, the present invention has the advantages that compared with prior art：
The processing method of this hard alloy rock drilling tooth, which is used, is boring tooth body insertion abaculus and transition inlay, and abaculus, brill
Tooth body and transition inlay have corresponding crystal phase structure by boring requirement of the tooth in real work, to take into account hardness wearability and tough
Property.
Brief description of the drawings
Fig. 1 is the front view of the embodiment of the present invention.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings：
Embodiment one：
The processing method of hard alloy rock drilling tooth as shown in Figure 1, includes the brill tooth body 1 of head circular arc, bores tooth body 1
Top be embedded with one piece of abaculus 3, abaculus 3 and bore and be provided between tooth body 1 transition inlay 2, abaculus 3 and transition inlay 2 and bore tooth
The top of body 1 is on an arc-shaped transitional surface；Abaculus 3 is the wedge shape that top is less than afterbody.Bore tail of the tooth body 1 from transition inlay 2
Hold and start to the tail end for boring tooth body 1 to be provided with a radiating groove, to facilitate brill tooth to radiate at work.
The mass percentage content for boring the feed components of tooth body 1 is：Hard phase 88%, Binder Phase 11.6%, additive
0.4%；Hard phase is WC and ceramics, and WC and ceramic mass ratio are 1.0:1.0, particle diameter 1.0um~5.0um；Binder Phase is Co powder,
2 um of granularity~4um；Additive is RE powder and TiC powder, and the mass ratio of RE powder and TiC powder is 1:1, granularity is 3 um~4um.
The mass percentage content of the feed components of transition inlay 2 is：Hard phase 78%, Binder Phase 21.7%, additive
0.3%；Hard phase is WC and ceramics, and WC and ceramic mass ratio are 1.0:1.1, particle diameter 8.0um~9.0um；Binder Phase is Co powder,
2 um of granularity~4um；Additive is RE powder and TiC powder, and the mass ratio of RE powder and TiC powder is 1:1, granularity is 3 um~4um.
The mass percentage content of the feed components of abaculus 3 is：Hard phase 72%, Binder Phase 21.5%, additive 0.5%；
Hard phase is WC and ceramics, and WC and ceramic mass ratio are 1.0:1.2, particle diameter 10.0um~11.0um；Binder Phase is Co powder, granularity
1 um~2um；Additive is RE powder and TiC powder, and the mass ratio of RE powder and TiC powder is 1:1, granularity is 3 um~4um.
Its procedure of processing includes：
A batch mixings：The raw material for boring tooth body 1, transition inlay 2 and abaculus 3 is respectively put into ball milling in rotary mill, after discharging
Sequentially form brill tooth body abrasive material, transition inlay abrasive material and abaculus abrasive material.
B die moulds：By abaculus abrasive material be put into have in the pressing mold of the abaculus shape, the pressing mold is at the top of the abaculus and tail
Portion's position of center line reserves datum line, uses powder compaction press die mould, dries；There is the pressure of the transition inlay shape in being put into afterwards
In mould, it is basic using abaculus top and afterbody center line, places into transition inlay abrasive material, use powder compaction press die mould, do
It is dry；In the pressing mold for having the brill tooth shape in being put into afterwards, it is basic using abaculus top and afterbody center line, places into
Tooth body abrasive material is bored, powder compaction press die mould is used, dried.
C is sintered：Sintered using ladder, nitrogen and ar pressure pressure are 53 Pa~56Pa, 1600 °C of sintering temperature~
1700°C。
Embodiment two：
The structure such as embodiment one of the processing method of this hard alloy rock drilling tooth.
The mass percentage content for boring the feed components of tooth body 1 is：Hard phase 84%, Binder Phase 15.7%, additive
0.3%；Hard phase is WC and ceramics, and WC and ceramic mass ratio are 1.0:1.0, particle diameter 4.0um~6.0um；Binder Phase is Co powder,
2 um of granularity~4um；Additive is RE powder and TiC powder, and the mass ratio of RE powder and TiC powder is 1:1, granularity is 3 um~4um.
The mass percentage content of the feed components of transition inlay 2 is：Hard phase 85%, Binder Phase 14.5%, additive
0.5%；Hard phase is WC and ceramics, and WC and ceramic mass ratio are 1.0:1.1, particle diameter 8.5um~9.5um；Binder Phase is Co powder,
2 um of granularity~4um；Additive is RE powder and TiC powder, and the mass ratio of RE powder and TiC powder is 1:1.1, granularity be 3 um~
4um。
The mass percentage content of the feed components of abaculus 3 is：Hard phase 78%, Binder Phase 21.5%, additive 0.5%；
Hard phase is WC and ceramics, and WC and ceramic mass ratio are 1.0:1.2, particle diameter 11.0um~11.5um.
Its procedure of processing includes：
A batch mixings：The raw material for boring tooth body 1, transition inlay 2 and abaculus 3 is respectively put into ball milling in rotary mill, after discharging
Sequentially form brill tooth body abrasive material, transition inlay abrasive material and abaculus abrasive material.
B die moulds：By abaculus abrasive material be put into have in the pressing mold of the abaculus shape, the pressing mold is at the top of the abaculus and tail
Portion's position of center line reserves datum line, uses powder compaction press die mould, dries；There is the pressure of the transition inlay shape in being put into afterwards
In mould, it is basic using abaculus top and afterbody center line, places into transition inlay abrasive material, use powder compaction press die mould, do
It is dry；In the pressing mold for having the brill tooth shape in being put into afterwards, it is basic using abaculus top and afterbody center line, places into
Tooth body abrasive material is bored, powder compaction press die mould is used, dried.
C is sintered：Sintered using ladder, nitrogen and ar pressure pressure are 50 Pa~55Pa, 1600 °C of sintering temperature~
1700°C。
Embodiment three：
The structure such as embodiment one of the processing method of this hard alloy rock drilling tooth.
The mass percentage content for boring the feed components of tooth body 1 is：Hard phase 90%, Binder Phase 9.5%, additive
0.5%；Hard phase is WC and ceramics, and WC and ceramic mass ratio are 1.0:1.0, particle diameter 6.0um~8.0um；Binder Phase is Co powder,
2 um of granularity~4um；Additive is RE powder and TiC powder, and the mass ratio of RE powder and TiC powder is 1:1, granularity is 3 um~4um.
The mass percentage content of the feed components of transition inlay 2 is：Hard phase 82%, Binder Phase 17.6%, additive
0.4%；Hard phase is WC and ceramics, and WC and ceramic mass ratio are 1.0:1.1, particle diameter 9.0um~10.0um；Binder Phase is Co powder,
2 um of granularity~4um；Additive is RE powder and TiC powder, and the mass ratio of RE powder and TiC powder is 1:1.2, granularity be 3 um~
4um。
The mass percentage content of the feed components of abaculus 3 is：Hard phase 75%, Binder Phase 14.6%, additive 0.4%；
Hard phase is WC and ceramics, and WC and ceramic mass ratio are 1.0:1.2, particle diameter 11.0um~12.0um；Binder Phase is Co powder, granularity
1 um~2um；Additive is RE powder and TiC powder, and the mass ratio of RE powder and TiC powder is 1:1.2, granularity is 3 um~4um.
Its procedure of processing includes：
A batch mixings：The raw material for boring tooth body 1, transition inlay 2 and abaculus 3 is respectively put into ball milling in rotary mill, after discharging
Sequentially form brill tooth body abrasive material, transition inlay abrasive material and abaculus abrasive material.
B die moulds：By abaculus abrasive material be put into have in the pressing mold of the abaculus shape, the pressing mold is at the top of the abaculus and tail
Portion's position of center line reserves datum line, uses powder compaction press die mould, dries；There is the pressure of the transition inlay shape in being put into afterwards
In mould, it is basic using abaculus top and afterbody center line, places into transition inlay abrasive material, use powder compaction press die mould, do
It is dry；In the pressing mold for having the brill tooth shape in being put into afterwards, it is basic using abaculus top and afterbody center line, places into
Tooth body abrasive material is bored, powder compaction press die mould is used, dried.
C is sintered：Sintered using ladder, nitrogen and ar pressure pressure are 55 Pa~60Pa, 1600 °C of sintering temperature~
1700°C。
Claims (3)
1. a kind of processing method of hard alloy rock drilling tooth, it is characterised in that：Including processing a kind of hard alloy rock drilling tooth,
The hard alloy rock drilling tooth includes being embedded with one piece of abaculus, institute at the top of the brill tooth body of head circular arc, the brill tooth body
State and transition inlay is provided between abaculus and the brill tooth body, the top of the abaculus and the transition inlay and the brill tooth body exists
On one arc-shaped transitional surface；
It is described bore tooth body the mass percentage contents of feed components be：Hard phase 84%~90%, Binder Phase 9.5%~
15.7%, additive 0.3%~0.5%；Hard phase is WC and ceramics, and WC and ceramic mass ratio are 1.0:1.0,1.0 μm of particle diameter~
8.0μm；
The mass percentage content of the feed components of the transition inlay is：Hard phase 78%~85%, Binder Phase 14.5%~
21.7%, additive 0.3%~0.5%；Hard phase is WC and ceramics, and WC and ceramic mass ratio are 1.0:1.1,8.0 μm of particle diameter~
10.0μm；
The mass percentage content of the feed components of the abaculus is：Hard phase 72%~78%, Binder Phase 21.5%~27.7%,
Additive 0.3%~0.5%；Hard phase is WC and ceramics, and WC and ceramic mass ratio are 1.0:1.2,10.0 μm~12.0 μm of particle diameter；
Its procedure of processing includes：
A batch mixings：The raw material of the brill tooth body, the transition inlay and the abaculus is respectively put into ball milling in rotary mill,
Brill tooth body abrasive material, transition inlay abrasive material and abaculus abrasive material are sequentially formed after discharging；
B die moulds：By abaculus abrasive material be put into have in the pressing mold of the abaculus shape, the pressing mold is at the top of the abaculus and in afterbody
Heart line position reserves datum line, uses powder compaction press die mould, dries；There is the pressing mold of the transition inlay shape in being put into afterwards
In, it is basic using abaculus top and afterbody center line, places into transition inlay abrasive material, use powder compaction press die mould, dries；
In the pressing mold for having the brill tooth shape in being put into afterwards, it is basic using abaculus top and afterbody center line, places into brill
Tooth body abrasive material, uses powder compaction press die mould, dries；
C is sintered：Sintered using ladder, nitrogen and ar pressure pressure are 50~60Pa, 1600 °C~1700 °C of sintering temperature.
2. the processing method of hard alloy rock drilling tooth according to claim 1, it is characterised in that：The abaculus is top
Less than the wedge shape of afterbody.
3. the processing method of hard alloy rock drilling tooth according to claim 1 or 2, it is characterised in that：The brill tooth body
Tail end since the tail end of the transition inlay to the brill tooth body is provided with a radiating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060963.XA CN105671398B (en) | 2016-01-29 | 2016-01-29 | The processing method of hard alloy rock drilling tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060963.XA CN105671398B (en) | 2016-01-29 | 2016-01-29 | The processing method of hard alloy rock drilling tooth |
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| CN105671398A CN105671398A (en) | 2016-06-15 |
| CN105671398B true CN105671398B (en) | 2017-07-11 |
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| CN201610060963.XA Expired - Fee Related CN105671398B (en) | 2016-01-29 | 2016-01-29 | The processing method of hard alloy rock drilling tooth |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106392081B (en) * | 2016-09-18 | 2019-02-22 | 广东工业大学 | A kind of surface layer is rich in the hard alloy and preparation method thereof of ceramic phase |
| CN108034877B (en) * | 2017-11-13 | 2020-04-07 | 华南理工大学 | Cobalt-free gradient WC hard alloy high-pressure square block and preparation method thereof |
| CN107775006A (en) * | 2017-12-12 | 2018-03-09 | 鑫京瑞钨钢（厦门）有限公司 | A kind of gradient hard alloy DRILL POINT DIES |
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| CN101704101A (en) * | 2009-11-27 | 2010-05-12 | 西南石油大学 | Formula and technique for manufacturing geophysical prospecting bit by powder sintering |
| CN102383020A (en) * | 2011-11-16 | 2012-03-21 | 重庆市科学技术研究院 | Ultrathin hard alloy with high hardness and preparation method thereof |
| CN103614604A (en) * | 2013-12-16 | 2014-03-05 | 重庆市科学技术研究院 | Hard alloy for rotary drilling cutting drill bit for mining and preparation method of hard alloy |
| CN104646674A (en) * | 2014-12-27 | 2015-05-27 | 株洲三湘硬质合金工具有限公司 | Method for manufacturing wear-resistant part by compounding diamond with metal blank body and product produced by same |
| CN204511310U (en) * | 2014-12-27 | 2015-07-29 | 株洲三湘硬质合金工具有限公司 | A kind of brill tooth with composite diamond block |
| CN204511309U (en) * | 2014-12-27 | 2015-07-29 | 湖南易通矿山工程机械有限公司 | Carbide drill tooth |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10053344A1 (en) * | 2000-10-27 | 2002-05-08 | Hilti Ag | rock drill |
-
2016
- 2016-01-29 CN CN201610060963.XA patent/CN105671398B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101704101A (en) * | 2009-11-27 | 2010-05-12 | 西南石油大学 | Formula and technique for manufacturing geophysical prospecting bit by powder sintering |
| CN102383020A (en) * | 2011-11-16 | 2012-03-21 | 重庆市科学技术研究院 | Ultrathin hard alloy with high hardness and preparation method thereof |
| CN103614604A (en) * | 2013-12-16 | 2014-03-05 | 重庆市科学技术研究院 | Hard alloy for rotary drilling cutting drill bit for mining and preparation method of hard alloy |
| CN104646674A (en) * | 2014-12-27 | 2015-05-27 | 株洲三湘硬质合金工具有限公司 | Method for manufacturing wear-resistant part by compounding diamond with metal blank body and product produced by same |
| CN204511310U (en) * | 2014-12-27 | 2015-07-29 | 株洲三湘硬质合金工具有限公司 | A kind of brill tooth with composite diamond block |
| CN204511309U (en) * | 2014-12-27 | 2015-07-29 | 湖南易通矿山工程机械有限公司 | Carbide drill tooth |
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| CN105671398A (en) | 2016-06-15 |
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