CN201187948Y - Wax-collecting apparatus arranged in a vacuum degreasing fritting furnace - Google Patents
Wax-collecting apparatus arranged in a vacuum degreasing fritting furnace Download PDFInfo
- Publication number
- CN201187948Y CN201187948Y CNU2008201068514U CN200820106851U CN201187948Y CN 201187948 Y CN201187948 Y CN 201187948Y CN U2008201068514 U CNU2008201068514 U CN U2008201068514U CN 200820106851 U CN200820106851 U CN 200820106851U CN 201187948 Y CN201187948 Y CN 201187948Y
- Authority
- CN
- China
- Prior art keywords
- collection
- wax
- collection wax
- candle
- tube
- 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.)
- Expired - Lifetime
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- 238000005238 degreasing Methods 0.000 title claims abstract description 31
- 238000005245 sintering Methods 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 50
- 239000007788 liquid Substances 0.000 abstract description 19
- 238000010304 firing Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Images
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- Powder Metallurgy (AREA)
Abstract
The utility model relates to a candle collection device in a vacuum degreasing sintering furnace, which is provided with a vacuum firing furnace with a sintering chamber internally. A furnace body is connected with a vacuum air pump by a main tube body which is provided with a valve body and is connected with a first candle collection cylinder, and a delivery tube which is provided with a valve body is arranged between a discharge tube and the main tube body. The first candle collection cylinder and a second candle collection cylinder which are composed in the way of concatenation are connected between the discharge tube and the main tube body by a tube body, and a valve body is arranged on the tube body, wherein, the first candle collection cylinder is connected to the second candle collection cylinder by the tube body additionally. After candle materials are heated to the gaseous state and the liquid state through high temperature, liquid candle can flow into the first candle collection cylinder to be collected, and gaseous candle enters the first candle collection cylinder and the second candle collection cylinder which are connected in series to condense to solid state through temperature reduction and adhere to the wall in order to be collected after period of time. The candle collection device can improve collection efficiency and collection amount of candle material and greatly reduce the residual quantity of candle material in the vacuum air pump.
Description
Technical field
The utility model relates to a kind ofly to be increased the cooling flow process of gaseous state wax and is provided with collection wax apparatus in the vacuum degreasing sintered stove of being arranged on of liquid wax surge drum.
Background technology
In the element of present various products, in order to make element internal be formed with some pores, with demand and the effect that its design is provided, usually will make the material of this element, mix mutually with the wax material in the powder mode, utilize molding mode to produce the external form of element again, each finished product is seated in the vacuum degreasing sintered stove, with the mode of heating that improves temperature the wax material is disengaged outside the element, again element material being given sintering makes, that is when making hardware, be that its metal dust is mixed behind mould molding with the wax material in advance, be seated in again in the vacuum degreasing sintered stove that metal ejection formation MIM uses, also can carry out the sintering of metal material and produce the element finished product except taking out the wax material.
The wax material is taken out and the device that carries out the element sintering then has as shown in Figure 5 in prior art, its structure is to be provided with a vacuum melting furnace 50, and inner being provided with can be for the space 51 of element heat-agglomerating, other is provided with a heater 52, the body of heater of this vacuum melting furnace 50 is connected with vavuum pump 53 with pipeline, so that make the inner vacuum state that forms of body of heater, below body of heater, be provided with a collection wax device 54 in addition, be provided with a pipeline between the two, the end in addition of this collection wax device 54 is provided with two pipelines, the one pipeline is connected with vavuum pump 53, the end in addition of another pipeline is provided with a collection wax tube 55, the aforesaid again wax device 54 that collects is provided with heater 541 in the outside, be provided with a cooling device 56 in addition in inside, and cooling device 56 is provided with a body and an assembly sheet in its outside that can supply cooling fluid to pass through.
When practical operation is used, to carry out degreasing and sintering two parts, wherein skimming processes is to heat with the element that vacuum melting furnace 50 set 52 pairs of inside of heater are put, treat the wax material to be disengaged gradually after temperature raises, because the wax material will form liquid state or gaseous state in the heating process, wherein gas, liquid wax material all are delivered in the collection wax device 54 via pipeline, this moment gaseous state the wax material with after the collection wax disk(-sc) contact also cooling become liquid state, the liquid wax material can flow into and collect store collected in the wax tube 55 this moment.
Though right this kind degreasing plant can be disengaged the wax material and be collected when operation, but because the gas-liquid wax material of high temperature is during again by collection wax device, a large amount of liquid wax materials blocks collection wax device inlet easily, and too high collection wax temperature, the quantity of the collection wax of lowering the temperature is still very limited, that is still there is a large amount of remaining gaseous state wax materials to condense in vavuum pump and back segment pipeline place via pipeline, cause problems such as reducing service life of vacuum pump, increase maintenance cost, therefore, the set degreasing collection wax apparatus of the vacuum degreasing sintered stove of prior art has the not good problem of collection wax efficient really.
The utility model content
Technical problem underlying to be solved in the utility model is, overcome prior art in the operation of collection wax, limited for collected wax material percentage, to cause problems such as vavuum pump obstruction, and provide a kind of collection wax apparatus that is arranged in the vacuum degreasing sintered stove, it is by designed collection wax apparatus, except can effectively the liquid wax material being collected, in addition by two mutually the collection wax devices of serial connection can be effectively can also effective collection with wax material that gas form contained, to reach effective collection wax material and can reduce the effect that vavuum pump is blocked.
In order to reach aforementioned the purpose of this utility model, the technological means that the utility model used is to provide a kind of collection wax apparatus that is arranged in the vacuum degreasing sintered stove, it is arranged in the vacuum degreasing sintered stove that a metal ejection formation uses, this sintering furnace has a hollow body of heater and is provided with a vavuum pump, connect with the main pipe who is provided with the 3rd valve body between the two, body of heater is provided with an efferent duct in addition in the below, wherein collect wax apparatus and include the first collection wax tube and a collection wax device;
This first collection wax tube, it is located at the body of heater below and is connected with the other end of efferent duct;
This collection wax device, it is made up of the first collection wax device and the second collection wax device, and between the end of the two, be provided with a tube connector, in the other end first the collection wax device and and efferent duct between be provided with an input pipe, on the second collection wax device and and the main pipe between be provided with a wireway, make the flow channel of first and second collection wax device be the serial connection form, on the first collection wax device and with respect to tube connector one end, be provided with one second collection wax tube again, in being provided with a conduit between the two.
The described collection wax apparatus that is arranged in the vacuum degreasing sintered stove, wherein input pipe, position be at the wireway between discharge pipe and vavuum pump, main pipe and the position wireway between the second collection wax device and vavuum pump, is respectively equipped with first, second and third and four valve bodies on each body.
The described collection wax apparatus that is arranged in the vacuum degreasing sintered stove, wherein collect the wax utensil one body that is hollow is arranged, body has an opening, be provided with a lid in opening part, one side of lid is provided with one and is the condenser pipe of U type and is provided with fin in two bodys arranged side by side, and opposite side is provided with joint in the termination of condenser pipe.
The described collection wax apparatus that is arranged in the vacuum degreasing sintered stove wherein is provided with perforation and dimple at the relative position place on the fin, and are dimple places with respect to another fin in the wherein perforation of a fin of two adjacent fins.
The utility model is implemented by the utilization of aforementioned techniques means, can be with the liquid wax material that after heating, disengages through vacuum sintering furnace by element, flow to the first collection wax tube via discharge pipe collects in advance, the wax material that is gaseous state is passing through first of serial connection design mutually, the cooling of two collection wax devices and the wax material that is in a liquid state, it can flow to the second collection wax tube and collect, in addition the part gaseous state wax material condensation by contact that is subjected to inner fin is condensed into solid-state and on the wall attached to its fin, therefore via after the operation of aforesaid collection wax, contain the gas that is gaseous state wax material when discharging, the wax material that it contained can be reduced to low-down content, therefore except effective and a high proportion of the wax material is reclaimed the collection, in addition because the gas that is given off, the wax material amount that it contained is extremely low, really can prolong the function of safeguarding that vavuum pump is bled.
The beneficial effects of the utility model are, it is by designed collection wax apparatus, except can effectively the liquid wax material being collected, in addition by two mutually the collection wax devices of serial connection can be effectively can also effective collection with wax material that gas form contained, to reach effective collection wax material and can reduce the effect that vavuum pump is blocked.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the schematic appearance that the utility model is used in vacuum degreasing sintered stove.
Fig. 2 is the floor map that the utility model is used in vacuum degreasing sintered stove.
Fig. 3 is a pipeline configuration schematic diagram shown in Figure 2.
Fig. 4 is the part perspective exploded view that the utility model is used in vacuum degreasing sintered stove.
Fig. 5 is the schematic diagram of prior art sintering furnace.
The number in the figure explanation:
10 vacuum sintering furnaces, 11 heaters
12 main pipes 121 the 3rd valve body
13 vavuum pumps, 14 discharge pipes
141 first collection wax tubes, 15 wireways
151 second valve bodies, 16 input pipes
16 first valve bodies, 17 second collection wax tubes
171 conduits, 18 wireways
181 the 4th valve bodies, 19 tube connectors
20 agglomerating chamber, 21 locating slots
30 second collection wax device 30A, the first collection wax device
31 bodies, 32 lids
33 condenser pipes, 34 fins
341 perforation, 342 dimples
35 joints
50 vacuum melting furnaces, 51 spaces
52 heaters, 53 vavuum pumps
54 collection wax devices, 541 heaters
55 collection wax tubes, 56 cooling devices
The specific embodiment
Extremely shown in Figure 3 referring to Fig. 1, the utility model is designed is arranged on collection wax apparatus in the vacuum degreasing sintered stove, it is to be used in the vacuum degreasing sintered stove of a kind of metal ejection formation (MIM) usefulness, the structure of this sintering furnace is provided with a vacuum sintering furnace 10, its body of heater is ducted body and is provided with opening inserting or taking out for pending element, this opening part is provided with the lid that can seal or open this opening, body of heater inside is formed with an agglomerating chamber 20 again, and be provided with heater 11 in its outside, two relative madial walls of this agglomerating chamber 20 are provided with locating slot 21, (this is a prior art can to supply a bearing part setting 21 of two relative locating slots, so be not described further), can put for the element for the treatment of degreasing and sintering on the set bearing part, be provided with a main pipe who communicates 12 in aforesaid hollow body of heater, this main pipe 12 is provided with one the 3rd valve body 121 and holds in addition and is connected with a vavuum pump 13, can bleed to form the vacuum shape to body of heater inside.
The vacuum degreasing collection wax apparatus that the utility model is designed, its structure is provided with the efferent duct 14 that communicates below body of heater, and its other end is connected with a collection wax tube 141, and it can be used for collecting the wax material after the degreasing;
On efferent duct 14, be connected with a wireway 15 and an input pipe 16 in addition respectively, this wireway 15 is provided with one second valve body 151 and holds in addition and is connected to the position on the main pipe 12 between the 3rd valve body 121 and the vavuum pump 13, aforesaid again input pipe 16 is provided with one first valve body 161, it is held in addition and is connected on the collection wax device, the end in addition of this collection wax device is connected with a wireway 18, and on wireway 18, be provided with the 4th valve body 181, and it holds on the main pipe 12 who is connected between the 3rd valve body 121 and the vavuum pump 13 in addition, other is provided with one second collection wax tube 17, and it is provided with the conduit 171 that communicates with collecting between the wax device.
Aforesaid collection wax device is composed in series mutually by the first collection wax device 30A and the second collection wax device 30, in first, two collection wax device 30A, be provided with a tube connector 19 between 30 the relative end place, and tube connector 19 is to be positioned at aforesaid conduit 171 relatively the position is set, again respectively with first, two collection wax device 30A, 30 input pipes 16 that connect and wireway 18 are that the position is at the other end away from tube connector 19, because this is first years old, two collection wax device 30A, 30 structure is identical, below only to the second structure explanation that collects wax device 30, this second collection wax device 30 has a body 31, body 31 is that a ducted body and an end are formed with opening, be provided with a lid 32 in opening part, aforesaid body 31 outsides are provided with the heating tape, make its inwall remain on one and are easy to the temperature that the liquid wax material flows.
One side of this lid 32 is provided with a condenser pipe 33 that is the U type, be provided with some fins 34 in body arranged side by side, it can be vertical setting with body, be provided with perforation 341 and dimple 342 at relative position on each fin 34, the a wherein fin 34 set perforation 341 of adjacent again two fins 34 are to be positioned at set dimple 342 places of another fin 34 relatively, two pipe ends of aforementioned U type condenser pipe 33 are provided with two joints 35 of mutual conduction in the side in addition of lid 32, joint 35 can be connected with circulation line respectively, that is, after absorbing heat, condenser pipe 33 tube walls flow out by another joint 35 by a joint 35 importing cooling waters.
When carrying out the degreasing collection wax of element, can control the unlatching and the closing sequence of aforementioned each valve body, after making that the element that contains the wax material is subjected to the high temperature heating of heater 11, wherein wax material part will be heated and be molten into liquid state, the wax material will become gaseous state in lasting heating rear section, discharge pipe 14 directed flow to the first collection wax tube 141 interior collections that liquid wax material can directly be connected by the body of heater below, the wax material that is gaseous state in addition can enter the first collection wax device 30A inside by the guiding of input pipe 16, the tube connector 19 that gaseous state wax material is held at the first collection wax device 30A in addition by the position imports an end of the second collection wax device 30, the end in addition of the second collection wax device 30 is connected on the aforementioned wireway 18, and gas is discharged.
When entering the first collection wax device 30A inside and flowing to the second collection wax device, 30 inside owing to the wax material that is gaseous state, gaseous state wax material will contact with low temperature fin 34 walls that are subjected to cooling water temperature in the first collection wax device 30A inside, gaseous state wax material becomes liquid state with conversion and flows in body 31 at this moment, in addition part will change on the wall that solid-state adhesion is attached to fin 34, if this moment is the gaseous state wax material that Shang Youwei is lowered the temperature and collects by the first collection wax device 30A, to enter to the second collection wax device, 30 inside via tube connector 19, in its inner identical collection wax operation of carrying out as described above in the first collection wax device 30A inside, the cooling of part gaseous state wax material becomes liquid state and flow to the second collection wax tube 17 via tube connector 19 and conduit 171, in addition part is subjected to the low temperature fin and is condensed into solid-state and adheres to, and wax material heating and melting accompanying on body 31 and fin 34 walls can be collected after carrying out the collection wax of a period of time.
Because the operation of aforesaid degreasing collection wax can give most collections of condensing via collection wax device with gas-liquid wax material, only contain the wax material of denier in the gas behind the feasible discharge vavuum pump, and can avoid the obstruction of vavuum pump and exhaust rear end pipeline really again.
Claims (4)
1. collection wax apparatus that is arranged in the vacuum degreasing sintered stove, it is characterized in that, it is arranged in the vacuum degreasing sintered stove that a metal ejection formation uses, this sintering furnace has a hollow body of heater and is provided with a vavuum pump, connect with the main pipe between the two, body of heater is provided with an efferent duct in addition in the below, wherein collect wax apparatus and include the first collection wax tube and a collection wax device;
This first collection wax tube is provided in a side of the body of heater below and is connected with the other end of efferent duct;
This collection wax device, form by the first collection wax device and the second collection wax device, and between the end of the two, be provided with a tube connector, in on the first collection wax device of the other end and and efferent duct between be provided with an input pipe, on the second collection wax device and and the main pipe between be provided with a wireway, make the flow channel of first and second collection wax device be the serial connection form, on the first collection wax device and with respect to tube connector one end, be provided with one second collection wax tube again, in being provided with a conduit between the two.
2. the collection wax apparatus that is arranged in the vacuum degreasing sintered stove according to claim 1, it is characterized in that: described input pipe, position be at the wireway between discharge pipe and vavuum pump, main pipe and the position wireway between the second collection wax device and vavuum pump, is respectively equipped with first, second and third and four valve bodies on each body.
3. the collection wax apparatus that is arranged in the vacuum degreasing sintered stove according to claim 1 and 2, it is characterized in that: described collection wax utensil has the body of a hollow, body has an opening, be provided with a lid in opening part, one side of lid is provided with the condenser pipe of a U type and is provided with fin in two bodys arranged side by side, and opposite side is provided with joint in the termination of condenser pipe.
4. the collection wax apparatus that is arranged in the vacuum degreasing sintered stove according to claim 3, it is characterized in that: be provided with perforation and dimple on the described fin at the relative position place, and be dimple places with respect to another fin in the wherein perforation of a fin of two adjacent fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201068514U CN201187948Y (en) | 2008-03-20 | 2008-03-20 | Wax-collecting apparatus arranged in a vacuum degreasing fritting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201068514U CN201187948Y (en) | 2008-03-20 | 2008-03-20 | Wax-collecting apparatus arranged in a vacuum degreasing fritting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201187948Y true CN201187948Y (en) | 2009-01-28 |
Family
ID=40310972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201068514U Expired - Lifetime CN201187948Y (en) | 2008-03-20 | 2008-03-20 | Wax-collecting apparatus arranged in a vacuum degreasing fritting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201187948Y (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328087A (en) * | 2011-07-22 | 2012-01-25 | 浙江一火科技有限公司 | Metal injection molding vacuum sintering furnace |
| CN102331172A (en) * | 2011-08-10 | 2012-01-25 | 苏州恒瑞粉末冶金制造有限公司 | Sintering furnace with wax removal function |
| CN102331176A (en) * | 2011-08-10 | 2012-01-25 | 苏州恒瑞粉末冶金制造有限公司 | Integral furnace capable of degreasing and sintering |
| CN102528043A (en) * | 2012-02-27 | 2012-07-04 | 宝得粉末注射成形（常熟）有限公司 | Degreasing furnace |
| CN102528044A (en) * | 2012-02-27 | 2012-07-04 | 宝得粉末注射成形（常熟）有限公司 | Degreasing device |
| CN102554232A (en) * | 2012-02-27 | 2012-07-11 | 宝得粉末注射成形（常熟）有限公司 | Siphon degreasing plant |
| CN103331447A (en) * | 2013-06-14 | 2013-10-02 | 蓝山县金山川粉末冶金有限公司 | Gel discharging and degreasing technology and equipment for powder metallurgical vacuum sintering furnace |
| CN103464760A (en) * | 2013-09-10 | 2013-12-25 | 苏州米莫金属科技有限公司 | Conveniently-cleaned metal powder vacuum sintering furnace with condensing device |
| CN103464757A (en) * | 2013-08-26 | 2013-12-25 | 苏州米莫金属科技有限公司 | Vacuum degreasing furnace |
| CN107120961A (en) * | 2017-06-07 | 2017-09-01 | 株洲瑞德尔冶金设备制造有限公司 | Sintering furnace dewaxing device |
| CN108941551A (en) * | 2018-05-28 | 2018-12-07 | 遵义中铂硬质合金有限责任公司 | Dewax pre-burning stove |
| CN109382513A (en) * | 2017-08-02 | 2019-02-26 | 杭州佰晖科技有限公司 | A kind of vacuum sintering furnace for catching wax apparatus and the application device |
| CN109530685A (en) * | 2018-12-29 | 2019-03-29 | 株洲万融新材科技有限公司 | Vacuum degreasing sintered forming method |
| CN112156595A (en) * | 2020-10-28 | 2021-01-01 | 贵州航天乌江机电设备有限责任公司 | Method and device for separating wax from fluid |
| CN114264146A (en) * | 2021-12-30 | 2022-04-01 | 江西开源自动化设备有限公司 | Monomer vacuum sintering furnace |
| CN114589306A (en) * | 2021-11-20 | 2022-06-07 | 蓝山县金山川粉末冶金有限公司 | Powder metallurgy degreasing and oil discharging system |
-
2008
- 2008-03-20 CN CNU2008201068514U patent/CN201187948Y/en not_active Expired - Lifetime
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328087A (en) * | 2011-07-22 | 2012-01-25 | 浙江一火科技有限公司 | Metal injection molding vacuum sintering furnace |
| CN102331172A (en) * | 2011-08-10 | 2012-01-25 | 苏州恒瑞粉末冶金制造有限公司 | Sintering furnace with wax removal function |
| CN102331176A (en) * | 2011-08-10 | 2012-01-25 | 苏州恒瑞粉末冶金制造有限公司 | Integral furnace capable of degreasing and sintering |
| CN102528043A (en) * | 2012-02-27 | 2012-07-04 | 宝得粉末注射成形（常熟）有限公司 | Degreasing furnace |
| CN102528044A (en) * | 2012-02-27 | 2012-07-04 | 宝得粉末注射成形（常熟）有限公司 | Degreasing device |
| CN102554232A (en) * | 2012-02-27 | 2012-07-11 | 宝得粉末注射成形（常熟）有限公司 | Siphon degreasing plant |
| CN102528043B (en) * | 2012-02-27 | 2013-05-29 | 宝得粉末注射成形（常熟）有限公司 | Degreasing furnace |
| CN102528044B (en) * | 2012-02-27 | 2013-05-29 | 宝得粉末注射成形（常熟）有限公司 | Degreasing device |
| CN102554232B (en) * | 2012-02-27 | 2013-07-31 | 宝得粉末注射成形（常熟）有限公司 | Siphon degreasing plant |
| CN103331447A (en) * | 2013-06-14 | 2013-10-02 | 蓝山县金山川粉末冶金有限公司 | Gel discharging and degreasing technology and equipment for powder metallurgical vacuum sintering furnace |
| CN103464757A (en) * | 2013-08-26 | 2013-12-25 | 苏州米莫金属科技有限公司 | Vacuum degreasing furnace |
| CN103464760A (en) * | 2013-09-10 | 2013-12-25 | 苏州米莫金属科技有限公司 | Conveniently-cleaned metal powder vacuum sintering furnace with condensing device |
| CN107120961A (en) * | 2017-06-07 | 2017-09-01 | 株洲瑞德尔冶金设备制造有限公司 | Sintering furnace dewaxing device |
| CN109382513A (en) * | 2017-08-02 | 2019-02-26 | 杭州佰晖科技有限公司 | A kind of vacuum sintering furnace for catching wax apparatus and the application device |
| CN108941551A (en) * | 2018-05-28 | 2018-12-07 | 遵义中铂硬质合金有限责任公司 | Dewax pre-burning stove |
| CN108941551B (en) * | 2018-05-28 | 2020-04-03 | 遵义中铂硬质合金有限责任公司 | Dewaxing pre-burning furnace |
| CN109530685A (en) * | 2018-12-29 | 2019-03-29 | 株洲万融新材科技有限公司 | Vacuum degreasing sintered forming method |
| CN109530685B (en) * | 2018-12-29 | 2021-01-15 | 株洲万融新材科技有限公司 | Vacuum degreasing sintering forming method |
| CN112156595A (en) * | 2020-10-28 | 2021-01-01 | 贵州航天乌江机电设备有限责任公司 | Method and device for separating wax from fluid |
| CN114589306A (en) * | 2021-11-20 | 2022-06-07 | 蓝山县金山川粉末冶金有限公司 | Powder metallurgy degreasing and oil discharging system |
| CN114589306B (en) * | 2021-11-20 | 2023-08-29 | 蓝山县金山川粉末冶金有限公司 | Powder metallurgy degreasing and oil discharging system |
| CN114264146A (en) * | 2021-12-30 | 2022-04-01 | 江西开源自动化设备有限公司 | Monomer vacuum sintering furnace |
| CN114264146B (en) * | 2021-12-30 | 2023-11-03 | 江西开源自动化设备有限公司 | Single vacuum sintering furnace |
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Granted publication date: 20090128 |