CN109556403A - Dewax degumming sintering integrated furnace - Google Patents
Dewax degumming sintering integrated furnace Download PDFInfo
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- CN109556403A CN109556403A CN201710882940.1A CN201710882940A CN109556403A CN 109556403 A CN109556403 A CN 109556403A CN 201710882940 A CN201710882940 A CN 201710882940A CN 109556403 A CN109556403 A CN 109556403A
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- valve
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- degumming
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/02—Supplying steam, vapour, gases, or liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/063—Special atmospheres, e.g. high pressure atmospheres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/066—Vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0068—Regulation involving a measured inflow of a particular gas in the enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention provides a kind of dewaxing degumming sintering integrated furnace, it include: furnace body, vacuum separation valve is connected with by pipeline on the upside of the furnace body, essence is connected with by pipeline on the upside of the vacuum separation valve and takes out valve, low-pressure argon flow control valve, roughing valve, the roughing valve is connected with lobe pump by pipeline, the lobe pump is connected with mechanical pump by pipeline, the essence takes out valve and is connected with diffusion pump by pipeline, diffusion pump is connected with maintenance pump by pipeline, the pipeline between pump and diffusion pump is maintained to be equipped with charge valve, pipeline between the charge valve and diffusion pump is equipped with preceding step valve, the preceding step valve is connected with degumming vacuum valve by pipeline, degumming vacuum valve is connected with cooling separator by pipeline, the cooling separator is connected to furnace body by pipeline.Structure of the invention design rationally, can accurately control manufacturing parameter, meanwhile, it is capable to guarantee production stability and product quality, be easy to universal on a large scale and use.
Description
Technical field
The present invention relates to cermet preparation facilities field, specially a kind of dewaxing degumming sintering integrated furnace.
Background technique
Cermet is a kind of composite material, and the material made of metal and ceramic raw material has certain of metal and ceramics concurrently
A little advantages, such as the former toughness and flexing resistance, high temperature resistant, high intensity and antioxygenic property of the latter etc..Cermet has gold concurrently
Belong to and the advantage of ceramics, its density is small, hardness is high, wear-resisting, thermal conductivity is good, will not be because of quenching or shock heating and embrittlement.In addition,
Metal surface applies one layer of ceramic coating that air-tightness is good, fusing point is high, heat transfer property is very poor, can also prevent metal or alloy in high temperature
Lower oxidation or corrosion.Cermet had not only had the toughness, high-termal conductivity and good thermal stability of metal, but also had the resistance to of ceramics
High temperature, corrosion-resistant and wear-resistant etc. characteristics.Cermet is widely used in high-quality precision and sophisticated technology field.
But the byproduct for treatment technique of current cermet is not perfect, causes unstable product quality, production efficiency
It is lower, it is therefore necessary to further research and development cermet preparation facilities, to improve product quality and production efficiency.
Summary of the invention
Technical problem solved by the invention is to provide a kind of dewaxing degumming sintering integrated furnace, to solve above-mentioned background skill
The problem of being proposed in art.
Technical problem solved by the invention is realized using following technical scheme: dewaxing degumming sintering integrated furnace, comprising:
Furnace body, the furnace body upside are connected with vacuum separation valve by pipeline, and the vacuum separation valve upside is connected with essence by pipeline
Valve, low-pressure argon flow control valve, roughing valve are taken out, the roughing valve is connected with lobe pump by pipeline, and the lobe pump passes through
Pipeline is connected with mechanical pump, and the essence takes out valve and is connected with diffusion pump by pipeline, and diffusion pump is connected with maintenance pump, dimension by pipeline
The pipeline held between pump and diffusion pump is equipped with charge valve, and the pipeline between the charge valve and diffusion pump is equipped with preceding step valve,
The preceding step valve is connected with degumming vacuum valve by pipeline, and degumming vacuum valve is connected with cooling separator by pipeline, described cold
But separator is connected to furnace body by pipeline, and the pipeline between the cooling separator and furnace body is equipped with degumming valve.
It is other on pipeline between the preceding step valve and degumming vacuum valve to be connected to dewaxing vacuum valve, the dewaxing vacuum valve downside
It is connected to by pipeline and catches wax device, it is described to catch wax device furnace body is connected to by pipeline.
Other on pipeline between the preceding step valve and dewaxing vacuum valve to be connected to partial pressure valve, the partial pressure valve other end passes through pipe
Road is connected on the pipeline between vacuum separation valve and essence pumping valve.
The furnace body is equipped with argon inlet pipe, and the argon inlet pipe is equipped with high pressure argon gas intake valve, low pressure presses argon
Gas intake valve, high pressure argon gas intake valve, low pressure pressure argon inlet valve are arranged in parallel.
A kind of dewaxing degumming sintering integrated furnace application method comprising: when low-temperature carrier gas degumming: argon gas passes through low-pressure argon
Flow control valve and vacuum separation valve enter furnace body, then enter cooling separator degumming by degumming valve, then pass through degumming
Vacuum valve enters Roots vaccum pump and oil-sealed rotary pump, is finally sent into exhaust treatment system, meanwhile, it can be according to the furnace body of setting
Magazine inside and outside differential pressure, the automatic adjustment of low-pressure argon flow control valve enter the argon flow in system.
A kind of dewaxing degumming sintering integrated furnace application method comprising: when low-temperature carrier gas degumming wax: argon gas passes through low pressure argon
Air-flow adjustable valve and vacuum separation valve enter furnace body, then enter by dewaxing valve and catch the dewaxing of wax device, it is true to then pass through dewaxing
Empty valve enters Roots vaccum pump and oil-sealed rotary pump, is finally sent into exhaust treatment system, meanwhile, it can be according to the furnace body material of setting
Box inside and outside differential pressure, the automatic adjustment of low-pressure argon flow control valve enter the argon flow in system.
A kind of dewaxing degumming sintering integrated furnace application method comprising: when vacuum-sintering: furnace body gas enters vacuum insulation
Then valve enters Roots vaccum pump and oil-sealed rotary pump by roughing valve, be finally sent into exhaust treatment system, such as need high vacuum
Sintering, that just needs to realize that the operation to vacuum pump is combined, and the intracorporal high vacuum of furnace is to take out two valve, roughing valve techniques by essence
The combined running of route is come what is realized, i.e., furnace body gas enters vacuum separation valve, is then entered at tail gas by high vacuum system
Reason system
A kind of dewaxing degumming sintering integrated furnace application method comprising: when partial pressure sintering: argon gas passes through low-pressure argon flow
Regulating valve and vacuum separation valve enter furnace body, according to pressure in the furnace body of setting, when pressure is lower than amplitude range, low-pressure argon
Flow control valve is opened automatic inflating device and is automatically closed when reaching pressure requirements, and when pressure is higher than amplitude range, partial pressure
Valve opens automatic exhaust, when reaching pressure requirements, is automatically closed, furnace body gas enters vacuum separation valve, then passes through partial pressure
Valve enters Roots vaccum pump and oil-sealed rotary pump, finally enters exhaust treatment system
A kind of dewaxing degumming sintering integrated furnace application method comprising: when atmosphere sintering: nitrogen passes through low-pressure nitrogen air inlet
Valve enters furnace body, subsequently enters vacuum separation valve, according to pressure in the furnace body of setting, when pressure is lower than amplitude range, low pressure
Nitrogen intake valve is opened automatic inflating device and is automatically closed when reaching pressure requirements.
A kind of dewaxing degumming sintering integrated furnace application method comprising: when low pressure sintering: high pressure argon gas passes through high pressure argon gas
Intake valve enters furnace body, and according to pressure in the furnace body of setting, when pressure is lower than amplitude range, high pressure argon gas intake valve is opened certainly
Dynamic tonifying Qi is automatically closed when reaching pressure requirements.
Compared with prior art, the beneficial effects of the present invention are: structure of the invention design rationally, can accurately control production
Parameter is easy to universal on a large scale and uses meanwhile, it is capable to guarantee production stability and product quality.
Detailed description of the invention
Fig. 1 is structure principle chart of the invention.
Specific embodiment
In order to make implement technical means of the invention, creation characteristic, reach purpose and effect is easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
As shown in Figure 1, dewaxing degumming sintering integrated furnace, comprising: furnace body 1 is connected with very on the upside of the furnace body 1 by pipeline
Empty isolating valve 5 is connected with essence by pipeline on the upside of the vacuum separation valve 5 and takes out valve 7, low-pressure argon flow control valve 3, roughing valve
6, the roughing valve 6 is connected with lobe pump 13 by pipeline, and the lobe pump 13 is connected with mechanical pump 12, the essence by pipeline
Take out valve 7 and diffusion pump 8 be connected with by pipeline, diffusion pump 8 is connected with maintenance pump 10 by pipeline, maintain to pump 10 and diffusion pump 8 it
Between pipeline be equipped with charge valve 9, pipeline between the charge valve 9 and diffusion pump 8 is equipped with preceding step valve 11, the preceding step valve
11 are connected with degumming vacuum valve 14 by pipeline, and degumming vacuum valve 14 is connected with cooling separator 15, the cooling by pipeline
Separator 15 is connected to furnace body 1 by pipeline, and the pipeline between the cooling separator 15 and furnace body 1 is equipped with degumming valve 16.
It is other on pipeline between the preceding step valve 11 and degumming vacuum valve 14 to be connected to dewaxing vacuum valve 19, the dewaxing vacuum
It is connected on the downside of valve 19 by pipeline and catches wax device 18, it is described to catch wax device 18 furnace body 1 is connected to by pipeline.
Other on pipeline between the preceding step valve 11 and dewaxing vacuum valve 19 to be connected to partial pressure valve 20, the partial pressure valve 20 is another
End is connected on the pipeline between vacuum separation valve 5 and essence pumping valve 7 by pipeline.
The furnace body 1 is equipped with argon inlet pipe, and the argon inlet pipe is equipped with high pressure argon gas intake valve 2, low pressure pressure
Argon inlet valve 4, high pressure argon gas intake valve 2, low pressure pressure argon inlet valve 4 are arranged in parallel.
When in use, the present invention is by control system, select rubber process low pressure sintering base titanium carbonitride or
Paraffin technology low pressure sintering base titanium carbonitride.
When low-temperature carrier gas degumming: argon gas enters furnace body by low-pressure argon flow control valve and vacuum separation valve, then passes through
It crosses degumming valve and enters cooling separator degumming, then pass through degumming vacuum valve and enter Roots vaccum pump and oil-sealed rotary pump, finally
It is sent into exhaust treatment system, meanwhile, it can be adjusted automatically according to the furnace body magazine inside and outside differential pressure of setting, low-pressure argon flow control valve
Section enters the argon flow in system.
When low-temperature carrier gas degumming wax:
Argon gas enters furnace body by low-pressure argon flow control valve and vacuum separation valve, then enters by dewaxing valve and catches wax
Device dewaxing then passes through dewaxing vacuum valve and enters Roots vaccum pump and oil-sealed rotary pump, is finally sent into exhaust treatment system, together
When, the argon gas in system can be entered according to the furnace body magazine inside and outside differential pressure of setting, the automatic adjustment of low-pressure argon flow control valve
Flow.
When vacuum-sintering:
Furnace body gas enters vacuum separation valve, then enters Roots vaccum pump and oil-sealed rotary pump by roughing valve, finally
It is sent into exhaust treatment system, such as needs high-vacuum sintering, that just needs to realize that the operation to vacuum pump is combined, the intracorporal Gao Zhen of furnace
Sky is realized by the combined running of two essence pumping valve, roughing valve process lines, i.e. furnace body gas enters vacuum separation valve,
Then exhaust treatment system is entered by high vacuum system
When partial pressure sintering:
Argon gas enters furnace body by low-pressure argon flow control valve and vacuum separation valve, according to pressure in the furnace body of setting,
When pressure is lower than amplitude range, low-pressure argon flow control valve opens automatic inflating device, automatic to close when reaching pressure requirements
It closes, and when pressure is higher than amplitude range, partial pressure valve opens automatic exhaust, when reaching pressure requirements, is automatically closed, furnace body gas
Body enters vacuum separation valve, then enters Roots vaccum pump and oil-sealed rotary pump by partial pressure valve, finally enters vent gas treatment system
System
When atmosphere sintering:
Nitrogen enters furnace body by low-pressure nitrogen intake valve, subsequently enters vacuum separation valve, according to the furnace body internal pressure of setting
Power, when pressure is lower than amplitude range, low-pressure nitrogen intake valve is opened automatic inflating device and is automatically closed when reaching pressure requirements.
When low pressure sintering:
High pressure argon gas enters furnace body by high pressure argon gas intake valve, according to pressure in the furnace body of setting, when pressure is lower than width
When spending range, high pressure argon gas intake valve is opened automatic inflating device and is automatically closed when reaching pressure requirements.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.Claimed range of the invention by appended claims and
Its equivalent thereof.
Claims (9)
1. a kind of dewaxing degumming sintering integrated furnace, comprising: furnace body, it is characterised in that: be connected on the upside of the furnace body by pipeline
Vacuum separation valve, the vacuum separation valve upside are connected with essence by pipeline and take out valve, low-pressure argon flow control valve, roughing valve,
The roughing valve is connected with lobe pump by pipeline, and the lobe pump is connected with mechanical pump by pipeline, and the essence is taken out valve and passed through
Pipeline is connected with diffusion pump, and diffusion pump is connected with maintenance pump by pipeline, maintains the pipeline between pump and diffusion pump to be equipped with and fills
Air valve, pipeline between the charge valve and diffusion pump are equipped with preceding step valve, and it is true that the preceding step valve by pipeline is connected with degumming
Empty valve, degumming vacuum valve are connected with cooling separator by pipeline, and the cooling separator is connected to furnace body by pipeline, described
Pipeline between cooling separator and furnace body is equipped with degumming valve；It is other on pipeline between the preceding step valve and degumming vacuum valve to connect
There is dewaxing vacuum valve, is connected on the downside of the dewaxing vacuum valve by pipeline and catches wax device, the wax device of catching is connected to by pipeline
Furnace body.
2. dewaxing degumming sintering integrated furnace according to claim 1, it is characterised in that: the preceding step valve and dewaxing vacuum valve
Between pipeline on it is other be connected to partial pressure valve, the partial pressure valve other end is connected between vacuum separation valve and essence pumping valve by pipeline
Pipeline on.
3. dewaxing degumming sintering integrated furnace according to claim 1, it is characterised in that: the furnace body is equipped with argon inlet
Pipe, the argon inlet pipe is equipped with high pressure argon gas intake valve, low pressure presses argon inlet valve, high pressure argon gas intake valve, low pressure pressure
Argon inlet valve is arranged in parallel.
4. a kind of dewaxing degumming sintering integrated furnace application method, it is characterised in that: comprising: when low-temperature carrier gas degumming: argon gas is logical
It crosses low pressure argon flow regulating valve and vacuum separation valve enters furnace body, then enter cooling separator degumming by degumming valve, with
Enter Roots vaccum pump and oil-sealed rotary pump by degumming vacuum valve afterwards, is finally sent into exhaust treatment system, meanwhile, it can basis
The furnace body magazine inside and outside differential pressure of setting, the automatic adjustment of low-pressure argon flow control valve enter the argon flow in system.
5. a kind of dewaxing degumming sintering integrated furnace application method, it is characterised in that: comprising: when low-temperature carrier gas degumming wax: argon gas
Enter furnace body by low-pressure argon flow control valve and vacuum separation valve, then enters by dewaxing valve and catch the dewaxing of wax device, then
By dewaxing, vacuum valve enters Roots vaccum pump and oil-sealed rotary pump, is finally sent into exhaust treatment system, meanwhile, it can be according to setting
Fixed furnace body magazine inside and outside differential pressure, the automatic adjustment of low-pressure argon flow control valve enter the argon flow in system.
6. a kind of dewaxing degumming sintering integrated furnace application method, it is characterised in that: comprising: when vacuum-sintering: furnace body gas into
Enter vacuum separation valve, Roots vaccum pump and oil-sealed rotary pump are then entered by roughing valve, is finally sent into exhaust treatment system, such as
High-vacuum sintering is needed, that just needs to realize that the operation to vacuum pump is combined, and the intracorporal high vacuum of furnace is that valve, thick pumping are taken out by essence
The combined running of two process lines of valve is come what is realized, i.e., furnace body gas enters vacuum separation valve, then passes through high vacuum system
Into exhaust treatment system.
7. a kind of dewaxing degumming sintering integrated furnace application method, it is characterised in that: comprising: when dividing sintering: argon gas passes through low
Pressure argon flow regulating valve and vacuum separation valve enter furnace body, according to pressure in the furnace body of setting, when pressure is lower than amplitude range
When, low-pressure argon flow control valve is opened automatic inflating device and is automatically closed when reaching pressure requirements, and when pressure is higher than amplitude
When range, partial pressure valve opens automatic exhaust, when reaching pressure requirements, is automatically closed, furnace body gas enters vacuum separation valve, so
Roots vaccum pump and oil-sealed rotary pump are entered by partial pressure valve afterwards, finally enter exhaust treatment system.
8. a kind of dewaxing degumming sintering integrated furnace application method, it is characterised in that: comprising: when atmosphere sintering: nitrogen passes through low
Pressure nitrogen intake valve enters furnace body, subsequently enters vacuum separation valve, according to pressure in the furnace body of setting, when pressure is lower than amplitude model
When enclosing, low-pressure nitrogen intake valve is opened automatic inflating device and is automatically closed when reaching pressure requirements.
9. a kind of dewaxing degumming sintering integrated furnace application method, it is characterised in that: comprising: when low pressure sintering: high pressure argon gas is logical
Cross high pressure argon inlet valve and enter furnace body, according to pressure in the furnace body of setting, when pressure is lower than amplitude range, high pressure argon gas into
Air valve is opened automatic inflating device and is automatically closed when reaching pressure requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710882940.1A CN109556403A (en) | 2017-09-26 | 2017-09-26 | Dewax degumming sintering integrated furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710882940.1A CN109556403A (en) | 2017-09-26 | 2017-09-26 | Dewax degumming sintering integrated furnace |
Publications (1)
| Publication Number | Publication Date |
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| CN109556403A true CN109556403A (en) | 2019-04-02 |
Family
ID=65863105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710882940.1A Pending CN109556403A (en) | 2017-09-26 | 2017-09-26 | Dewax degumming sintering integrated furnace |
Country Status (1)
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05230504A (en) * | 1991-11-20 | 1993-09-07 | Nec Corp | Sintering device |
| WO2005038076A1 (en) * | 2003-10-14 | 2005-04-28 | Etudes Et Constructions Mecaniques | Low-pressure carburising method and furnace |
| CN101596596A (en) * | 2009-06-30 | 2009-12-09 | 株洲楚天硬质合金有限公司 | A kind of sintering cemented carbide technology and the vacuum-sintering all-in-one oven that comes unstuck |
| CN201672787U (en) * | 2010-06-11 | 2010-12-15 | 江西磊源永磁材料有限公司 | Vacuum sintering furnace of automatic leakage detection device |
| CN202226914U (en) * | 2011-09-07 | 2012-05-23 | 江门市兆业科技有限公司 | Vacuum system |
| CN203197247U (en) * | 2013-01-16 | 2013-09-18 | 上海精科粉末冶金科技有限公司 | Gas pipe structure of dewaxing sintering device |
| CN207231219U (en) * | 2017-09-26 | 2018-04-13 | 自贡兆强密封制品实业有限公司 | Dewax degumming sintering integrated furnace |
-
2017
- 2017-09-26 CN CN201710882940.1A patent/CN109556403A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05230504A (en) * | 1991-11-20 | 1993-09-07 | Nec Corp | Sintering device |
| WO2005038076A1 (en) * | 2003-10-14 | 2005-04-28 | Etudes Et Constructions Mecaniques | Low-pressure carburising method and furnace |
| CN101596596A (en) * | 2009-06-30 | 2009-12-09 | 株洲楚天硬质合金有限公司 | A kind of sintering cemented carbide technology and the vacuum-sintering all-in-one oven that comes unstuck |
| CN201672787U (en) * | 2010-06-11 | 2010-12-15 | 江西磊源永磁材料有限公司 | Vacuum sintering furnace of automatic leakage detection device |
| CN202226914U (en) * | 2011-09-07 | 2012-05-23 | 江门市兆业科技有限公司 | Vacuum system |
| CN203197247U (en) * | 2013-01-16 | 2013-09-18 | 上海精科粉末冶金科技有限公司 | Gas pipe structure of dewaxing sintering device |
| CN207231219U (en) * | 2017-09-26 | 2018-04-13 | 自贡兆强密封制品实业有限公司 | Dewax degumming sintering integrated furnace |
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