CN106216682A - A kind of pulsed discharge titanium-type material process units and method - Google Patents
A kind of pulsed discharge titanium-type material process units and method Download PDFInfo
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- CN106216682A CN106216682A CN201610613412.1A CN201610613412A CN106216682A CN 106216682 A CN106216682 A CN 106216682A CN 201610613412 A CN201610613412 A CN 201610613412A CN 106216682 A CN106216682 A CN 106216682A
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- 239000000463 material Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 44
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 69
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 69
- 239000010439 graphite Substances 0.000 claims abstract description 69
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000010936 titanium Substances 0.000 claims abstract description 37
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 31
- 239000000919 ceramic Substances 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 230000000740 bleeding effect Effects 0.000 claims abstract description 10
- 239000002699 waste material Substances 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000004512 die casting Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 229910052573 porcelain Inorganic materials 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 23
- 239000008187 granular material Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- 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
- B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
-
- 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
- B22F3/1035—Liquid phase sintering
-
- 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
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- 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
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
- B22F2003/1051—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding by electric discharge
-
- 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
- B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
- B22F2003/208—Warm or hot extruding
Abstract
A kind of pulsed discharge titanium-type material process units and method, relate to a kind of discharge plasma titanium-type material process units and method, belong to shape preparing technical field；The invention aims to solve that existing titanium-type material production technology stock utilization is low, production process produces the problems such as a large amount of waste materials；The present invention includes that graphite nozzle, ceramic washer, graphite is pullover, graphite sleeve, metal shell, bleeding point, hopper cover, hopper, motor, anode, main shaft, negative electrode, the present invention be on the basis of tradition titanium-type material manufacture, add that graphite nozzle, ceramic washer, graphite is pullover, graphite sleeve, negative electrode and anode carry out pulsed discharge, raw material uses the titanium bits of residual processing, after titanium bits are put into hopper, push in graphite sleeve, two ends apply high power pulse electric current makes titanium bits melt, and then molten titanium considers to be worth doing extrusion nozzle molding；The present invention can effectively utilize waste and old titanium to consider to be worth doing, to reach the purpose of environmental protection.
Description
Technical field
The present invention relates to a kind of discharge plasma titanium-type material process units and method, belong to shape technology of preparing neck
Territory.
Background technology
Along with the development of science and technology, people are increasing to the demand of material and the energy, on the one hand need us to develop new energy
Source and exploitation raw material, from the angle of sustainable development, with greater need for from how saving the energy, and the most more make full use of raw material
Angle seek new solution.Just think if able to laughable tank that used material, such as aluminum are done, remain after processing
Cutting swarf, it is possible to recycling, then can successfully manage problem above.
Traditional shape is typically to be utilized the cold rolling or equipment of hot rolling of specialty by steel mill or various section bar specialized factory
Manufacturing, such as all types of steel & aluminum section steel etc., the shape of these section bars, specification etc. are all according to certain international standard, country
Standard or industry standard carry out manufacturing, and for needs of production, existing shape manufactures equipment and manufacturer
Method exists following not enough: first, and section rolling mode cost is high, and thin-wall section process technology difficulty is big；Second, the shape of section bar
Shape, specification standardization, have the shape of the cross sectional shape of specific demand, specification for some, it is difficult to meet requirement；3rd,
The supply of material length of product forms is usually no more than 12m, it is impossible to continuous application on a production line.
Process of pulse discharge is in addition to the Joule heat with hot pressed sintering and plastic deformation acceleration of sintering process, also at powder
Intergranular produces DC pulse voltage, and is effectively utilized between powder granule the spontaneous heating effect produced of discharging.Thus create one
The specific phenomenon being conducive to heating of a little process of pulse discharges.First, due to pulsed discharge produce discharge impact ripple and
The most reciprocal flow at high speed of electronics, ion, can make the gas escape of powder adsorption.The initial oxidation film on powder surface
The most breakdown, make powder be purified, activate；Second, owing to pulse is moment, interrupted, altofrequency generation,
At the heat discharge that powder particle produces not in contact with position, and the Joule heat that powder particle contact site produces, all greatly promote
The diffusion of powder particle atom, much greater than under usual hot pressing condition of its diffusion coefficient, thus reach the quick of powder
Fusing；The addition of the 3rd, On-Off fast-pulse, makes the electric discharge position in powder and joule heat parts, all can quickly move
Dynamic, enable the heating homogenization of powder.
Summary of the invention
The invention aims to solve that existing shape production technology stock utilization is low, production process produces
A large amount of waste materials, the problem problems such as prepared material density is low, the invention provides a kind of pulsed discharge titanium-type material and produce dress
Put and method.
A kind of pulsed discharge titanium-type material process units, it include graphite nozzle (1), ceramic washer (2), graphite pullover (3),
Graphite sleeve (4), metal shell (5), bleeding point (6), hopper cover (7), hopper (8), motor (9), anode (10), main shaft
(11), bolt hole (12), negative electrode (13)；Described hopper cover (7) is that axle is connected with hopper (8), described ceramic washer (2)
Being positioned between metal shell (5) and graphite nozzle (1), metal shell (5) is internal is provided with main shaft (11), this main shaft (11) appearance
There is screw thread in face, and left section is triangle, is enclosed within graphite pullover (3) internal, and root is connected with motor (9) and anode (10) connects, gold
Belonging to embedding on shell (5) inwall and be fixed with columnar graphite sleeve (4), this graphite sleeve (4) right-hand member is right with ceramic washer (2)
Distance between end is L1, and the sidewall of metal shell (5) is fixed with hopper (8), and the bottom of hopper (8) and metal shell
(5) inner space, this hopper (8) close on straight line between the side of ceramic washer (2) and ceramic washer (2) right-hand member away from
From more than L1, graphite nozzle (1) bottom righthand side is connected with negative electrode (13).
The big footpath of described main shaft (11) outer surface thread is equal with metal shell (5) internal diameter.
Described ceramic washer (2) is positioned between metal shell (5) and graphite nozzle (1), for isolating metal shell (5)
With graphite nozzle (1).
A kind of pulsed discharge titanium-type material process units described in employing realizes the method that titanium-type material produces, described production titanium-type
The process of the method for material is, first makes described negative electrode (13) be positioned at graphite nozzle (1) bottom righthand side, and anode (10) is positioned at main shaft
(11), at root, by bleeding point (6) evacuation, add titanium by hopper (8) to the inner chamber of metal shell (5) and consider to be worth doing, then
Cover tightly airtight for hopper cover (7), open motor (9), drive main shaft (11) to rotate, make titanium consider to be worth doing by the screw thread on main shaft (11)
Enter in graphite sleeve (4) and graphite nozzle (1), current pulse between anode (10) and negative electrode (13), heating titanium bits, position
In graphite nozzle (1), between graphite pullover (3) and graphite sleeve (4) titanium bits melt, the titanium of molten condition will be in
Consider to be worth doing and extruded by graphite nozzle (1), by changing different graphite nozzle (1), difform titanium-type material can be extruded, open
Hopper (8) adds titanium bits in hopper (8), closes hopper cover (7), continues through bleeding point (6) evacuation, the main shaft of rotation
(11) titanium of molten condition is constantly considered to be worth doing extrusion continuously by the screw thread on, the most constantly titanium bits is sent to graphite sleeve (4) internal,
Then can realize continuous non-waste section bar Die Casting process.
The pulse frequency of described pulse current is 5～200Hz, and the size of current of pulse current is 200～8000A
DC-pulse.
The present invention is that to add graphite nozzle (1), ceramic washer (2), graphite on the basis of tradition titanium-type material manufactures pullover
(3), graphite sleeve (4), negative electrode (13) and anode (10) carry out pulsed discharge, raw material uses the titanium bits of residual processing, is considered to be worth doing by titanium
After putting into hopper, pushing in graphite sleeve (4), two ends apply high power pulse electric current makes titanium bits melt, then by molten titanium bits extrusion
Nozzle molding.
Present invention achieves titanium-type material and produce energy efficient 15%～30%, complex component can be prepared, the material of preparation
Density improve 2%～10%, performance good.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of pulsed discharge titanium-type material process units of the present invention；
Fig. 2 is during the titanium-type material production method described in detailed description of the invention four is carried out titanium bits heating, titanium bits heating
Time view；
Fig. 3 is after the titanium-type material production method described in detailed description of the invention six is carried out titanium bits heating, when titanium bits are melted
View；
Fig. 4 is the structural representation of a kind of pulsed discharge titanium-type material process units circular graphitic nozzle (1) of the present invention；
Fig. 5 is the structural representation of a kind of pulsed discharge titanium-type material process units square graphite nozzle (1) of the present invention；
Fig. 6 is the structural representation of a kind of pulsed discharge titanium-type material process units groove type graphite nozzle (1) of the present invention
Figure；
Fig. 7 is the structural representation of a kind of pulsed discharge titanium-type material process units I shape graphite nozzle (1) of the present invention
Figure.
Detailed description of the invention
Detailed description of the invention one: see Fig. 1 and present embodiment is described, it include graphite nozzle (1), ceramic washer (2),
Graphite pullover (3), graphite sleeve (4), metal shell (5), bleeding point (6), hopper cover (7), hopper (8), motor (9), anode
(10), main shaft (11), bolt hole (12), negative electrode (13)；Described hopper cover (7) is that axle is connected with hopper (8), described pottery
Porcelain packing ring (2) is positioned between metal shell (5) and graphite nozzle (1), and metal shell (5) is internal is provided with main shaft (11), this main shaft
(11) outer surface has screw thread, and left section is triangle, is enclosed within graphite pullover (3) internal, and root is connected with motor (9) and anode (10)
Connect, metal shell (5) inwall embeds and is fixed with columnar graphite sleeve (4), this graphite sleeve (4) right-hand member and ceramic blanket
Distance between circle (2) right-hand member is L1, the sidewall of metal shell (5) is fixed with hopper (8), and the bottom of hopper (8) is with golden
Belonging to the inner space of shell (5), this hopper (8) closes between the side of ceramic washer (2) and ceramic washer (2) right-hand member
Air line distance is more than L1, and graphite nozzle (1) bottom righthand side is connected with negative electrode (13).
Detailed description of the invention two: present embodiment produces with a kind of pulsed discharge titanium-type material described in detailed description of the invention one
The difference of device is, the big footpath of described main shaft (11) outer surface thread is equal with metal shell (5) internal diameter.
Detailed description of the invention three: present embodiment produces with a kind of pulsed discharge titanium-type material described in detailed description of the invention one
The difference of device is, described ceramic washer (2) is positioned between metal shell (5) and graphite nozzle (1), for isolating metal
Shell (5) and graphite nozzle (1).
Detailed description of the invention four: see Fig. 2-Fig. 7 and illustrate that present embodiment, present embodiment are to use specific embodiment party
A kind of pulsed discharge titanium-type material process units described in formula one realizes the method that titanium-type material produces, the method that described titanium-type material produces
Process be first to make described negative electrode (13) be positioned at graphite nozzle (1) bottom righthand side, anode (10) is positioned at main shaft (11) root
Place, by bleeding point (6) evacuation, adds titanium by hopper (8) to the inner chamber of metal shell (5) and considers to be worth doing, then by hopper cover
(7) airtight cover tightly, open motor (9), drive main shaft (11) to rotate, make titanium bits enter graphite by the screw thread on main shaft (11)
In sleeve (4) and graphite nozzle (1), current pulse between anode (10) and negative electrode (13), heating titanium bits, it is positioned at graphite spray
Titanium bits between mouth (1), graphite pullover (3) and graphite sleeve (4) melt, and are considered to be worth doing by the titanium being in molten condition and pass through stone
Injection nozzle (1) is extruded, and by changing different graphite nozzle (1), can extrude difform titanium-type material, open hopper (8)
In hopper (8), add titanium bits, close hopper cover (7), continue through bleeding point (6) evacuation, on the main shaft (11) of rotation
The titanium of molten condition is constantly considered to be worth doing extrusion continuously by screw thread, the most constantly titanium bits is sent to graphite sleeve (4) internal, then can realize
Continuous non-waste section bar Die Casting process.
Detailed description of the invention five: the pulse frequency of described pulse current is 5～200Hz, the size of current of pulse current
It it is the DC-pulse of 200～8000A.
In present embodiment, between powder particle, also produce DC pulse voltage, produce between granule under pulse current effect
Raw electric discharge, excites plasma, and by effectively utilizing the spontaneous heating effect produced of discharging between powder granule, this device creates one
The most distinctive phenomenon being conducive to powder rapid melting.First, due to pulsed discharge produce discharge impact ripple and electronics, from
The most reciprocal flow at high speed of son, can make the gas escape of powder adsorption, and the initial oxidation film on powder surface is necessarily
In degree breakdown, make powder be purified, activate；Second, owing to pulse is moment, interrupted, altofrequency generation, at powder
The heat discharge that granule produces not in contact with position, and the Joule heat that powder particle contact site produces, be all greatly facilitated powder
The diffusion of granule atom, much greater than under usual hot pressing condition of its diffusion coefficient, thus reach powder rapid melting；The
The addition of three, On-Off fast-pulse, makes the electric discharge position in powder and joule heat parts, all can quickly move, make powder
Heating can homogenization.Making pulse concentrate on crystal grain junction is the feature that DC-pulse applies process.Direct current arteries and veins
During punching electricity applies, between granule during electric discharge, the instantaneous generation of meeting is up to the localized hyperthermia of thousand of degree to 10,000 degree, thus accelerates
The fusing of granule, in general, the implementation process of this device can be regarded as granule electric discharge, the knot of conductive heater comprehensive function
Really.
In process of pulse discharge, between granule during electric discharge, the local that the instantaneous generation of meeting is up to thousand of degree to 10,000 degree is high
Temperature, causes evaporation and fusing at particle surface；Cervical region is formed, due to heat immediately from the transmission of heating center at grain contact point
Spreading to particle surface with to surrounding, cervical region quickly cools down and makes vapour pressure be less than other positions, accelerates densification process.
The present invention utilizes pulsed discharge sintering technology so that metal fillings quickly heat reach fusing or semi-solid state,
Molding rapidly.So can realize twice laid, such as remaining cutting swarf after processing, the metal after using, wait as former material
Material；Realize energy-saving and emission-reduction, owing to the efficiency of pulsed discharge is high, the energy consumption of metal molten can be reduced；Processability is excellent
Material, the material prepared by pulsed discharge has even tissue, and crystal grain is tiny so that the performance of material is improved
, and realize producing continuously；Can also carry out some fragile material processing and manufacture, directly after processing, remaining cutting swarf is made
Finished section bar, it is not necessary to carry out intermediate treatment, can reduce the loss that fragile material causes due to the course of processing.
Claims (5)
1. a pulsed discharge titanium-type material process units, it is characterised in that it includes graphite nozzle (1), ceramic washer (2), stone
Ink pullover (3), graphite sleeve (4), metal shell (5), bleeding point (6), hopper cover (7), hopper (8), motor (9), anode
(10), main shaft (11), bolt hole (12), negative electrode (13)；Described hopper cover (7) is that axle is connected with hopper (8), described pottery
Porcelain packing ring (2) is positioned between metal shell (5) and graphite nozzle (1), and metal shell (5) is internal is provided with main shaft (11), this main shaft
(11) outer surface has screw thread, and left section is triangle, is enclosed within graphite pullover (3) internal, and root is connected with motor (9) and anode (10)
Connect, metal shell (5) inwall embeds and is fixed with columnar graphite sleeve (4), this graphite sleeve (4) right-hand member and ceramic blanket
Distance between circle (2) right-hand member is L1, the sidewall of metal shell (5) is fixed with hopper (8), and the bottom of hopper (8) is with golden
Belonging to the inner space of shell (5), this hopper (8) closes between the side of ceramic washer (2) and ceramic washer (2) right-hand member
Air line distance is more than L1, and graphite nozzle (1) bottom righthand side is connected with negative electrode (13).
2. according to a kind of pulsed discharge titanium-type material process units described in claim 1, it is characterised in that described main shaft
(11) the big footpath of outer surface thread is equal with metal shell (5) internal diameter.
3. according to a kind of pulsed discharge titanium-type material process units described in claim 1, it is characterised in that described ceramic washer
(2) it is positioned between metal shell (5) and graphite nozzle (1), for isolating metal shell (5) and graphite nozzle (1).
4. use a kind of pulsed discharge titanium-type material process units described in claim 1 to realize the method that titanium-type material produces, its
Being characterised by, the process of described titanium-type material production method is: first make described negative electrode (13) be positioned at graphite nozzle (1) right
Lower end, anode (10) is positioned at main shaft (11) root, by bleeding point (6) evacuation, by hopper (8) to metal shell
(5) inner chamber adds titanium bits, then covers tightly airtight for hopper cover (7), opens motor (9), drives main shaft (11) to rotate, passes through
Screw thread on main shaft (11) makes titanium bits enter in graphite sleeve (4) and graphite nozzle (1), between anode (10) and negative electrode (13)
Current pulse, heating titanium bits, be positioned at graphite nozzle (1), between graphite pullover (3) and graphite sleeve (4) titanium bits occur melt
Change, the titanium being in molten condition is considered to be worth doing and is extruded by graphite nozzle (1), by changing different graphite nozzle (1), can extrude
Difform titanium-type material, opens hopper (8) and adds titanium bits in hopper (8), close hopper cover (7), continue through bleeding point
(6) evacuation, the titanium of molten condition is constantly considered to be worth doing extrusion continuously, is the most constantly passed by titanium bits by the screw thread on the main shaft (11) of rotation
Deliver to graphite sleeve (4) internal, then can realize continuous non-waste section bar Die Casting process.
Method the most according to claim 4, it is characterised in that the pulse frequency of described pulse current is 5～200Hz,
The size of current of pulse current is the DC-pulse of 200～8000A.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610613412.1A CN106216682A (en) | 2016-08-01 | 2016-08-01 | A kind of pulsed discharge titanium-type material process units and method |
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| CN201610613412.1A CN106216682A (en) | 2016-08-01 | 2016-08-01 | A kind of pulsed discharge titanium-type material process units and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1066808A (en) * | 1992-06-26 | 1992-12-09 | 冶金工业部钢铁研究总院 | Screw propulsion style continuous extruding forming device |
| JPH06304733A (en) * | 1993-04-21 | 1994-11-01 | Japan Steel Works Ltd:The | Injection molding method for low melting metallic material and apparatus therefor |
| US20010004931A1 (en) * | 1999-12-24 | 2001-06-28 | Nissei Plastic Industrial Co., Ltd. | Injection apparatus for melted metals |
| WO2003018233A1 (en) * | 2001-08-23 | 2003-03-06 | Commonwealth Scientific And Industrial Research Organisation | Process and apparatus for producing shaped metal parts |
| CN103008601A (en) * | 2013-01-23 | 2013-04-03 | 哈尔滨理工大学 | Pulse discharge auxiliary die-casting device and method |
-
2016
- 2016-08-01 CN CN201610613412.1A patent/CN106216682A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1066808A (en) * | 1992-06-26 | 1992-12-09 | 冶金工业部钢铁研究总院 | Screw propulsion style continuous extruding forming device |
| JPH06304733A (en) * | 1993-04-21 | 1994-11-01 | Japan Steel Works Ltd:The | Injection molding method for low melting metallic material and apparatus therefor |
| US20010004931A1 (en) * | 1999-12-24 | 2001-06-28 | Nissei Plastic Industrial Co., Ltd. | Injection apparatus for melted metals |
| WO2003018233A1 (en) * | 2001-08-23 | 2003-03-06 | Commonwealth Scientific And Industrial Research Organisation | Process and apparatus for producing shaped metal parts |
| CN103008601A (en) * | 2013-01-23 | 2013-04-03 | 哈尔滨理工大学 | Pulse discharge auxiliary die-casting device and method |
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Application publication date: 20161214 |