CN111744977A - Electro-plastic continuous drawing device for magnesium alloy wire - Google Patents
Electro-plastic continuous drawing device for magnesium alloy wire Download PDFInfo
- Publication number
- CN111744977A CN111744977A CN202010551737.8A CN202010551737A CN111744977A CN 111744977 A CN111744977 A CN 111744977A CN 202010551737 A CN202010551737 A CN 202010551737A CN 111744977 A CN111744977 A CN 111744977A
- Authority
- CN
- China
- Prior art keywords
- magnesium alloy
- wire
- electro
- alloy wire
- motor
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/003—Drawing materials of special alloys so far as the composition of the alloy requires or permits special drawing methods or sequences
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
- B21C1/14—Drums, e.g. capstans; Connection of grippers thereto; Grippers specially adapted for drawing machines or apparatus of the drum type; Couplings specially adapted for these drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/003—Regulation of tension or speed; Braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/16—Unwinding or uncoiling
- B21C47/18—Unwinding or uncoiling from reels or drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C9/00—Cooling, heating or lubricating drawing material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention discloses an electro-plastic continuous drawing device for magnesium alloy wires, which comprises a wire feeding mechanism, an electro-heating mechanism, a drawing mechanism and a wire collecting mechanism which are sequentially arranged along the drawing direction of the magnesium alloy wires; the wire feeding mechanism comprises a wire feeder and a first motor which are connected with each other, the wire feeder is used for winding magnesium alloy wires, and the first motor is used for driving the wire feeder to rotate so as to uniformly convey the magnesium alloy wires to the electric heating mechanism; the electric heating mechanism is used for carrying out induction current heating on the magnesium alloy wire; the drawing mechanism is used for drawing the heated magnesium alloy wire; and the wire collecting mechanism is used for collecting the drawn magnesium alloy wire. The invention can complete the on-line electro-plastic continuous drawing of the magnesium alloy wire and stably improve the production efficiency, the production total amount and the material performance of the magnesium alloy wire drawing production.
Description
Technical Field
The invention relates to the technical field of metal wire drawing, in particular to an electro-plastic continuous drawing device for magnesium alloy wires.
Background
Compared with other metal structure materials, the magnesium and the magnesium alloy have the advantages of low density, high specific strength, high specific rigidity, strong electromagnetic shielding and radiation resistance, good biocompatibility and the like. The magnesium alloy wire can be used for preparing surgical sutures, and the magnesium alloy pipe is suitable for manufacturing medical instruments such as vascular stents and the like. Drawing is the main plastic deformation method for forming wires, wires and pipes, and dies with different die openings are arranged on the same drawing machine to obtain different cross-sectional shapes and sizes, so that the magnesium alloy drawing machine is the main equipment for producing the magnesium alloy wires, wires and pipes at present.
The magnesium alloy has a close-packed hexagonal lattice (HCP), the plastic deformation capability of the magnesium alloy is poor under the room temperature condition, and the magnesium alloy wire needs to be subjected to multiple-pass large-deformation accumulation and multiple intermediate annealing processes in combination during the room temperature drawing forming. Traditional magnesium alloy silk material drawing forming machine lacks heating device, and the drawing process is to get back to drawing forming on the drawbench again after heating material or to the drawing die utensil in the heating furnace, and whole drawing process will be interrupted by heating and dismouting mould many times, and the process is loaded down with trivial details and inefficiency, is unfavorable for realizing large-scale batch industrial production.
Meanwhile, the coordination of the motion rates of the wire feeding and discharging mechanisms in the traditional magnesium alloy drawing machine is poor, and wire breakage is easily caused. The heating material or the die in the traditional resistance furnace is influenced by the temperature difference of different areas in the electric heating furnace, so that the defect of non-uniformity in heating can exist, and the defects are mainly shown as follows: cracks on the surface of the workpiece, peeling pits, uneven mechanical properties of the inner layer and the outer layer and the like.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art, and provides the magnesium alloy wire electro-plastic continuous drawing device for realizing the continuous, stable and efficient drawing forming of the magnesium alloy wire.
The technical problem of the invention is mainly solved by the following technical scheme:
the invention provides an electro-plastic continuous drawing device for magnesium alloy wires, which comprises a wire feeding mechanism, an electro-heating mechanism, a drawing mechanism and a wire collecting mechanism which are sequentially arranged along the drawing direction of the magnesium alloy wires;
the wire feeding mechanism comprises a wire feeder and a first motor which are connected with each other, the wire feeder is used for winding magnesium alloy wires, and the first motor is used for driving the wire feeder to rotate so as to uniformly convey the magnesium alloy wires to the electric heating mechanism;
the electric heating mechanism is used for heating the magnesium alloy wire;
the drawing mechanism is used for drawing the heated magnesium alloy wire;
and the wire collecting mechanism is used for collecting the drawn magnesium alloy wire.
Furthermore, the electric heating mechanism comprises an intermediate-frequency current box and a copper pipe coil, two ends of the copper pipe coil are connected with the intermediate-frequency current box, and the middle part of the copper pipe coil is coiled into a spiral ring; the medium-frequency current box is used for enabling the copper pipe coil to generate heat after being started and electrified, and the magnesium alloy wire is arranged in the spiral ring in a penetrating mode.
Furthermore, the electric heating mechanism further comprises a circulating water cooling mechanism, the circulating water cooling mechanism comprises a water tank, a nozzle and a drain pipe, the water tank is located inside the intermediate-frequency current box, the nozzle and the drain pipe are respectively installed above and below the water tank, the nozzle is communicated with an external circulating pipeline, a built-in valve is connected to the nozzle, the inside of the copper pipe coil is hollow, and the water tank is communicated with the inside of the copper pipe coil.
Further, the drawing mechanism comprises a die and a support which are connected with each other, a drawing hole is formed in the die, and the magnesium alloy wire is formed through drawing through the drawing hole.
Furthermore, the rotating shaft of the first motor penetrates through the wire feeder and then is connected with the first blank cap through the first bearing, and a first support is arranged at the bottom of the first motor.
Further, receive silk mechanism including receiving silk machine, second motor and second support, receive the silk machine with the second motor is connected, the second motor is fixed on the second support, just the second motor is used for driving receive the silk machine and rotate and receive the silk to the magnesium alloy silk material after drawing.
Furthermore, a rotating shaft of the second motor penetrates through the wire collecting machine and then is connected with the second blank cap through a second bearing.
Further, brackets are arranged between the wire feeding mechanism and the electric heating mechanism and between the electric heating mechanism and the drawing mechanism, and the top of each bracket is matched with the magnesium alloy wire.
The invention has the beneficial effects that: the wire feeding mechanism and the wire collecting mechanism are matched with each other, so that the feeding speed of the magnesium alloy wire can be balanced and adjustable, and the wire breakage caused by material accumulation or overlarge traction force at the drawing mechanism due to overhigh or overlow speed can be avoided; and the induction current of the electric heating mechanism is used for heating, so that the plastic deformation capacity of the magnesium alloy wire can be improved, and the subsequent drawing processing is facilitated. The invention can complete the on-line electro-plastic continuous drawing of the magnesium alloy wire and stably improve the production efficiency, the production total amount and the material performance of the magnesium alloy wire drawing production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an electro-plastic continuous drawing device for magnesium alloy wires according to the present invention;
FIG. 2 is a cross-sectional view of the wire feeding mechanism of the magnesium alloy wire electro-plastic continuous drawing device of the present invention;
FIG. 3 is a sectional view of a die of the electro-plastic continuous drawing apparatus for magnesium alloy wire according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
Referring to fig. 1-3, the magnesium alloy wire electro-plastic continuous drawing device of the invention comprises a wire feeding mechanism 1, an electro-heating mechanism 2, a drawing mechanism 3 and a wire collecting mechanism 4 which are arranged in sequence along the drawing direction of a magnesium alloy wire 5;
the wire feeding mechanism 1 comprises a wire feeder 11 and a first motor 12 which are connected with each other, wherein the wire feeder 11 is used for winding the magnesium alloy wire 5, and the first motor 12 is used for driving the wire feeder 11 to rotate so as to uniformly convey the magnesium alloy wire 5 to the electric heating mechanism 2; in the present invention, the first motor 12 can ensure the wire feeding speed of the wire feeder 11 to be balanced, which can avoid the material accumulation at the drawing mechanism 3 due to too high speed, and can also avoid the wire breakage due to too large traction force at the drawing mechanism 3 due to too low speed. Preferably, the wire feeder 11 has a central portion smaller than both sides, so that the magnesium alloy wire 5 can be wound more firmly and reliably.
The electric heating mechanism 2 is used for carrying out induction current heating on the magnesium alloy wire 5;
the drawing mechanism 3 is used for drawing the heated magnesium alloy wire 5;
and the wire collecting mechanism 4 is used for collecting the drawn magnesium alloy wire 5.
The electric heating mechanism 2 comprises an intermediate-frequency current box 21 and a copper pipe coil 22, wherein two ends of the copper pipe coil 22 are connected with the intermediate-frequency current box 21, and the middle part of the copper pipe coil 22 is coiled into a spiral ring; the medium-frequency current box 21 is used for enabling the copper pipe coil 22 to generate heat after starting and electrifying, and the magnesium alloy wire 5 penetrates through the spiral ring. In the invention, the intermediate frequency current box 21 is started and electrified to enable the copper pipe coil 22 to generate heat, and at the moment, the magnesium alloy wire 5 is positioned at the central axis position of a spiral ring formed by the copper pipe coil 22 and is heated and moved, and in the heating process, the dislocation motion of the metal on the surface layer of the magnesium alloy wire 5 is promoted jointly due to the coupling of the joule heat effect, the magnetic compression effect, the skin effect and the pure plastic effect, so that the flow stress is reduced, and the surface plasticity of the magnesium alloy wire 5 is improved. Meanwhile, the induction heating mode of the copper pipe coil 22 can ensure that the surface of the magnesium alloy wire 5 is uniformly heated, and the stability of the cross section shape and the size of the drawn wire is ensured.
The electric heating mechanism 2 further comprises a circulating water cooling mechanism 23, wherein the circulating water cooling mechanism 23 comprises a water tank, a nozzle and a water discharge pipe, the water tank is positioned inside the intermediate-frequency current box 21, the nozzle and the water discharge pipe are respectively arranged above and below the water tank, the nozzle is communicated with an external circulating pipeline, a built-in valve is connected to the nozzle, the inside of the copper pipe coil 22 is hollow, and the water tank is communicated with the inside of the copper pipe coil 22. In the invention, the built-in valve can control the cooling water in the circulating pipeline to enter or flow out of the water tank, the cooling water in the water tank can enter the copper pipe coil 22 for cyclic utilization, and the copper pipe coil 22 is subjected to water cooling treatment, so that the water flow circulating cooling treatment is realized. If the cooling water in the water tank needs to be replaced, the nozzle and the drain pipe can be opened, the nozzle sprays water flow, and the drain pipe flows out the cooling water.
Specifically, the drawing mechanism 3 comprises a die 31 and a bracket 32 which are connected with each other, a drawing hole 33 is arranged on the die 31, and the magnesium alloy wire 5 is drawn and formed through the drawing hole 33. The die 31 of the invention can be different in section shape and size, and the bracket 32 can be integrally formed with the die 31, so that the die 31 can be conveniently and rapidly mounted, dismounted and adjusted, and the high-efficiency multi-pass continuous drawing forming of pipes, wires and special section shapes can be realized.
The rotating shaft of the first motor 12 of the present invention passes through the wire feeder 11 and is connected with the first blank cap 14 through the first bearing 13, and the bottom of the first motor 12 is provided with the first bracket 15. By designing the first blank cap 14 and the first bracket 15, the balance and the support of the wire feeder 11 can be improved, and wire breakage of wires due to shaking and twisting in the wire feeding process can be avoided.
The wire winding mechanism 4 comprises a wire winding machine 41, a second motor 42 and a second support 43, wherein the wire winding machine 41 is connected with the second motor 42, the second motor 42 is fixed on the second support 43, and the second motor 42 is used for driving the wire winding machine 41 to rotate to wind the drawn magnesium alloy wire. The second motor 42 of the invention can realize the continuous filament winding with balanced speed, avoid the heavy labor amount of manual filament winding, is beneficial to the automatic control of the whole device and is beneficial to the realization of industrial production.
Preferably, in order to improve the structural stability, the rotating shaft of the second motor 42 is connected with the second blank cap 44 through a second bearing after passing through the yarn collecting machine 11.
In the invention, in order to further improve the drawing stability, brackets 6 are arranged between the wire feeding mechanism 1 and the electric heating mechanism 2 and between the electric heating mechanism 2 and the drawing mechanism 3, and the top of each bracket 6 is matched with the magnesium alloy wire 5.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (8)
1. An electro-plastic continuous drawing device for magnesium alloy wires is characterized by comprising a wire feeding mechanism, an electro-heating mechanism, a drawing mechanism and a wire collecting mechanism which are sequentially arranged along the drawing direction of the magnesium alloy wires;
the wire feeding mechanism comprises a wire feeder and a first motor which are connected with each other, the wire feeder is used for winding magnesium alloy wires, and the first motor is used for driving the wire feeder to rotate so as to uniformly convey the magnesium alloy wires to the electric heating mechanism;
the electric heating mechanism is used for carrying out induction current heating on the magnesium alloy wire;
the drawing mechanism is used for drawing the heated magnesium alloy wire;
and the wire collecting mechanism is used for collecting the drawn magnesium alloy wire.
2. The magnesium alloy wire electro-plastic continuous drawing device as claimed in claim 1, wherein the electro-heating mechanism comprises a medium-frequency current box and a copper tube coil, two ends of the copper tube coil are connected with the medium-frequency current box, and the middle part of the copper tube coil is coiled into a spiral ring; the medium-frequency current box is used for enabling the copper pipe coil to generate heat after being started and electrified, and the magnesium alloy wire is arranged in the spiral ring in a penetrating mode.
3. The magnesium alloy wire electro-plastic continuous drawing device as claimed in claim 2, wherein the electro-heating mechanism further comprises a circulating water cooling mechanism, the circulating water cooling mechanism comprises a water tank, a nozzle and a drain pipe, the water tank is located inside the intermediate frequency current box, the nozzle and the drain pipe are respectively installed above and below the water tank, the nozzle is communicated with an external circulating pipeline, a built-in valve is connected to the nozzle, the inside of the copper pipe coil is hollow, and the water tank is communicated with the inside of the copper pipe coil.
4. The magnesium alloy wire electro-plastic continuous drawing device as claimed in claim 3, wherein the drawing mechanism comprises a die and a bracket which are connected with each other, the die is provided with a drawing hole, and the magnesium alloy wire is formed by drawing through the drawing hole.
5. The magnesium alloy wire electro-plastic continuous drawing device as claimed in claim 4, wherein the rotating shaft of the first motor passes through the wire feeder and then is connected with the first blank cap through the first bearing, and the bottom of the first motor is provided with the first bracket.
6. The magnesium alloy wire electro-plastic continuous drawing device as claimed in claim 1, wherein the wire take-up mechanism comprises a wire take-up machine, a second motor and a second support, the wire take-up machine is connected with the second motor, the second motor is fixed on the second support, and the second motor is used for driving the wire take-up machine to rotate to take up the drawn magnesium alloy wire.
7. The magnesium alloy wire electro-plastic continuous drawing device as claimed in claim 6, wherein the rotating shaft of the second motor is connected with the second blank cap through a second bearing after passing through the wire collecting machine.
8. The magnesium alloy wire electro-plastic continuous drawing device as claimed in claim 1, wherein brackets are arranged between the wire feeding mechanism and the electro-heating mechanism and between the electro-heating mechanism and the drawing mechanism, and the top of each bracket is matched with the magnesium alloy wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010551737.8A CN111744977A (en) | 2020-06-17 | 2020-06-17 | Electro-plastic continuous drawing device for magnesium alloy wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010551737.8A CN111744977A (en) | 2020-06-17 | 2020-06-17 | Electro-plastic continuous drawing device for magnesium alloy wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111744977A true CN111744977A (en) | 2020-10-09 |
Family
ID=72676256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010551737.8A Pending CN111744977A (en) | 2020-06-17 | 2020-06-17 | Electro-plastic continuous drawing device for magnesium alloy wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111744977A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485072A (en) * | 2020-03-16 | 2020-08-04 | 南京理工大学 | Preparation system and method of high-strength high-conductivity heterogeneous copper conductor |
| CN114798779A (en) * | 2022-03-23 | 2022-07-29 | 中南大学 | Intelligent metal drawing device and method based on neural network |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004181500A (en) * | 2002-12-04 | 2004-07-02 | Sumitomo Denko Steel Wire Kk | Method for wire-drawing magnesium base alloy |
| CN101837380A (en) * | 2010-05-17 | 2010-09-22 | 洛阳理工学院 | Method and device for electromagnetic drawing of magnesium alloy wire |
| CN204058538U (en) * | 2014-08-04 | 2014-12-31 | 广东富华工程机械制造有限公司 | Intermediate frequency hard surfacing inductor block |
| CN107099713A (en) * | 2017-05-27 | 2017-08-29 | 东北大学 | A kind of magnesium alloy and its preparation method and application |
| CN107164674A (en) * | 2017-05-27 | 2017-09-15 | 东北大学 | A kind of magnalium zinc gadolinium cerium alloy and its preparation method and application |
-
2020
- 2020-06-17 CN CN202010551737.8A patent/CN111744977A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004181500A (en) * | 2002-12-04 | 2004-07-02 | Sumitomo Denko Steel Wire Kk | Method for wire-drawing magnesium base alloy |
| CN101837380A (en) * | 2010-05-17 | 2010-09-22 | 洛阳理工学院 | Method and device for electromagnetic drawing of magnesium alloy wire |
| CN204058538U (en) * | 2014-08-04 | 2014-12-31 | 广东富华工程机械制造有限公司 | Intermediate frequency hard surfacing inductor block |
| CN107099713A (en) * | 2017-05-27 | 2017-08-29 | 东北大学 | A kind of magnesium alloy and its preparation method and application |
| CN107164674A (en) * | 2017-05-27 | 2017-09-15 | 东北大学 | A kind of magnalium zinc gadolinium cerium alloy and its preparation method and application |
Non-Patent Citations (1)
| Title |
|---|
| 田昊洋等: "镁合金丝材的电致塑性拉拔研究", 《有色金属》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485072A (en) * | 2020-03-16 | 2020-08-04 | 南京理工大学 | Preparation system and method of high-strength high-conductivity heterogeneous copper conductor |
| CN114798779A (en) * | 2022-03-23 | 2022-07-29 | 中南大学 | Intelligent metal drawing device and method based on neural network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111659749B (en) | Preparation method of NbTi/CuNi/Cu superconducting composite wire | |
| CN111744977A (en) | Electro-plastic continuous drawing device for magnesium alloy wire | |
| CN100485822C (en) | Acopper clad aluminum alloy line, and its preparing method and production apparatus | |
| CN110491597B (en) | Preparation method of NbTi/CuMn/Cu superconducting composite wire | |
| CN104538543B (en) | A kind of low-temperature superconducting wire preparation method of NbTi rods | |
| CN102127720B (en) | Method and device for continuously preparing superfine amorphous alloy wire | |
| CN111799035B (en) | Processing technology of chromium-zirconium-copper contact line for high-speed electrified railway | |
| WO2008148257A1 (en) | Process for producing aluminum wire (pipe) coverd with copper and device for producing the same | |
| CN114453846B (en) | Preparation method of multi-size pure titanium cathode roller | |
| US20120103044A1 (en) | Bead wire manufacturing method and manufacturing apparatus | |
| CN102527768A (en) | Manufacturing method of copper-clad aluminum pipe | |
| CN110814072A (en) | Induction heating sine straightening method, device and system for titanium alloy wire with diameter of 1-6 mm | |
| CN111687235B (en) | Method for improving yield of titanium alloy wire | |
| CN110444336B (en) | Preparation of MgB by adopting pulse current2Method for manufacturing multi-core superconducting wire | |
| CN116352623A (en) | Special polishing brush head for NbTi alloy surface treatment and preparation method thereof | |
| CN209849568U (en) | Copper wire drawing unit | |
| CN1035220C (en) | Method of producing a superconductive oxide conductor and a superconductive oxide conductor produced by the method | |
| CN108311539A (en) | Copper wire production line | |
| CN210553963U (en) | Intermediate frequency tempering device for tempering tire bead steel wire | |
| CN201036089Y (en) | Copper-claded aluminium wire, Copper-claded aluminium pipe production equipment | |
| CN102082067A (en) | Coreless winding method of coiled-coil filament | |
| CN210995848U (en) | Phi 1 mm-phi 6mm titanium alloy wire induction heating sine straightening device and system | |
| CN108393451A (en) | A kind of air-conditioning and cooling monocrystalline seamless copper pipe production equipment and its technique | |
| CN116984388B (en) | Novel cooling control process for reducing cord steel wire rod iron scale | |
| CN216989229U (en) | Magnesium alloy superfine wire production equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201009 |
|
| RJ01 | Rejection of invention patent application after publication |