CN107206445B - For by the wire drawing line of wire, wire rod or billot wire drawing - Google Patents

For by the wire drawing line of wire, wire rod or billot wire drawing Download PDF

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Publication number
CN107206445B
CN107206445B CN201580057198.XA CN201580057198A CN107206445B CN 107206445 B CN107206445 B CN 107206445B CN 201580057198 A CN201580057198 A CN 201580057198A CN 107206445 B CN107206445 B CN 107206445B
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CN
China
Prior art keywords
wire
line
machine
driver
rotating
Prior art date
Application number
CN201580057198.XA
Other languages
Chinese (zh)
Other versions
CN107206445A (en
Inventor
阿特米奥·阿法蒂卡蒂
恩里科·康特
罗伯托·康特
Original Assignee
萨穆珀独资股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to ITBO20140598 priority Critical
Priority to ITBO2014A000598 priority
Application filed by 萨穆珀独资股份有限公司 filed Critical 萨穆珀独资股份有限公司
Priority to PCT/IB2015/058281 priority patent/WO2016067201A1/en
Publication of CN107206445A publication Critical patent/CN107206445A/en
Application granted granted Critical
Publication of CN107206445B publication Critical patent/CN107206445B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/02Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
    • B21C1/04Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums with two or more dies operating in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/16Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
    • B21C1/20Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes from stock of essentially unlimited length

Abstract

It is a kind of for by the wire drawing line of at least a wire, wire rod or billot wire drawing, wire drawing line has multiple rotating mechanisms that wire, wire rod or billot are acted on during elongation process, multiple induction conductivities, each induction conductivity makes one or more rotations in rotating mechanism, multiple drivers, the corresponding motor of each driver control and including DC/AC inverter, and power supply device, direct current power is supplied to the driver by way of the single DC voltage bus installed along wire drawing line.

Description

For by the wire drawing line of wire, wire rod or billot wire drawing

Technical field

The present invention relates to a kind of for by the wire drawing line of wire, wire rod or billot wire drawing.

Background technique

It is well known that wire drawing line generally includes wire drawing machine, annealing furnace and bobbin-winding machine, wire drawing machine quilt according to following order It is designed to execute constant volume deformation to wire by a series of drawing-die stretched wires, there is more small bore to obtain Silk, annealing furnace executes heat treatment to the hard drawn yarn delivered by wire drawing machine, to restore at least part of resistance and be constituted silk Metal extension feature, and bobbin-winding machine around spool winding annealing silk.Sometimes, without or do not use annealing furnace, with The spool with simple hard drawn yarn is obtained at the end of process.

If wire drawing line is multifibres line, including be provided with respective spools different bobbin-winding machines or it include containing not collinear The collection bobbin cradle of axis.

Wire drawing machine includes multiple stretch rings and annealing furnace includes multiple idler rollers and at least one stretch ring.Stretch ring, network Cylinder machine spool and idler roller (provided that) be suitble to Transmission system by way of by induction conductivity move.Pass through phase Answer each of these motor of driver control.If using the silk for drawing draw wire that there is major diameter, with stretch ring The motor of coupling has great power, for example, up to 80KW, and therefore, relevant driver is larger and dissipates big The heat of amount.

It is simpler in order to keep design simpler and freeze, so whole drive containments are being arranged in outside wire drawing line A single box in, that is, rely on the ground close to wire drawing line.Driver includes the power supply by being contained in outer box The corresponding DC/AC inverter of device provisioning electric power.Each driver is connected to phase by way of the electric power cable accordingly shielded The motor answered.

However, outer box haves the shortcomings that with obvious.Firstly, outer box leaves biggish coining on the ground, make The place logic that wire drawing line must be installed complicates.In addition, electric power cable is very long (that is, different rice are long), so as to cause power damage Consumption, and under the particular case using AC motor, cause significant electromagnetically problem.Finally, because must construct and Suitable channel or pipeline are installed, to allow cable to enter in wire drawing line from outer box, so must be with other portions of wire drawing line It is separately installed outer box, the presence of the outer box increases building and the installation cost of sliver.

Summary of the invention

Have the shortcomings that not by the electric framework described above influenced the object of the present invention is to provide a kind of and at the same time with simple The wire drawing line obtained with inexpensive mode.

According to the present invention, be provided with it is a kind of according to appended claims for by wire, wire rod or billot wire drawing Wire drawing line.

Detailed description of the invention

The present invention is described with reference to appended attached drawing, appended attached drawing shows non-limiting embodiment of the invention, In:

Fig. 1 and Fig. 2 shows wire drawing line according to the present invention according to two corresponding geometric views, and first view is substantially Front view, and second view is substantially rearview;

Fig. 3 shows the overall electric framework of the wire drawing line in Fig. 1 and Fig. 2 in a schematic way;

Fig. 4 shows the wire drawing line of another embodiment according to the present invention according to substantially rear geometric view;And

Fig. 5 shows the overall electric framework of the wire drawing line in Fig. 4 in a schematic way.

Specific embodiment

In fig. 1 and 2, label 1 is indicated generally by multifibres wire drawing line according to the present invention as a whole.Wire drawing line 1 Including the wire drawing machine 2, annealing furnace 3 and bobbin-winding machine 4 arranged according to wire-drawing direction T according to following order, wire drawing machine 2 receives more A wire and its wire drawing is executed, to reduce its section, annealing furnace 3 receives hard drawn yarn from wire drawing machine 2 and executes the silk D.C. resistance annealing, and bobbin-winding machine 4 is designed to wind the silk of annealing in respective spools.Annealing furnace 3 includes control panel 5, control panel 5 accommodates the known electric device for generating so-called annealing voltage.The wire drawing line 1 being not in use is shown, That is, show the input of wire drawing machine 2 do not have crude silk and at the output 3a (Fig. 1) of annealing furnace 3 (that is, At the entrance 4a (Fig. 2) of bobbin-winding machine 4) silk do not annealed.

Wire drawing machine 2 includes multiple stretch rings 6 (Fig. 1), and stretch ring 6 rotates in a synchronous manner, to be stretched through multiple molds 7 Silk.Stretch ring 6 is caused as known per se and therefore by way of gear train assembly not shown in the figure, via one Or multiple induction conductivity 8 (in the embodiment in figure 1, there are three induction conductivities) rotations.Each of induction conductivity 8 A part of induction conductivity is prominent from the rear side 12 (that is, from side substantially parallel with wire-drawing direction T) of wire drawing machine 2, with not Change the coining of wire drawing machine 2 on the ground.Annealing furnace 3 and bobbin-winding machine 4 include corresponding protection shell 9 and 10.Control panel 5 is installed On the side wall 11 (that is, the wall for crossing wire-drawing direction T) of protection shell 9, not change wire drawing line 1 on wire-drawing direction T Coining on the ground.

Referring now to Fig. 3, annealing furnace 3 includes being contained in its two idler rollers 13, stretch ring 14, Yi Jisan for protecting enclosure interior A induction conductivity 15, three induction conductivities 15 are designed to make corresponding one and the rotation of stretch ring 14 in the idler roller 13 Turn.Control panel 5 accommodates power stage 16 and subsequent voltage switching stage, and power stage 16 is known type and is designed to pass through The three-phase voltage Uac that three phase mains 17 provides is converted into direct current second of the three ten-day periods of the hot season voltage Udc, and subsequent voltage switching stage is known per se simultaneously And indicated as a whole with number 18, medium voltage Udc is transformed into the low volt voltage Uann of direct current for being suitable for annealing to silk. It is 500 to 1000V amplitude that medium voltage Udc, which has range,.The voltage Uann that anneals has through known way with 0 to 110V model The amplitude that the interval enclosed is modulated.The maximum level of annealing voltage Uann depends on the metal types of the silk to be annealed, annealing The geometry of furnace 3 and the maximum feed rate of the silk in wire drawing line 1.

Referring again to FIGS. 3, bobbin-winding machine 4 includes being contained in it to protect the multiple spools 19 and multiple induced electricities in shell 10 Motivation 20 illustrates only two spools 19 for simplifying in reason figure, and each induction conductivity 20 is designed to make accordingly Spool 19 rotate.Induction conductivity 8,15 and 20 is controlled by corresponding driver 21,22 and 23, in driver Each driver is the type for including at least one DC/AC inverter.

Referring to figs. 2 and 3, according to the present invention, driver 21,22 and 23 is mounted on wire drawing line 1, specifically, installation On corresponding induction conductivity 8,15 and 20, and pass through unidirectional current voltage bus or simply DC bus 24 (Fig. 3) Supply electric power, unidirectional current voltage bus or DC bus 24 be connected to the output of power stage 16 and along the installation of wire drawing line 1 and It is mounted on wire drawing line 1, All Drives 21-23 can be reached.Fig. 2 illustrates only the induction conductivity 8 of wire drawing machine 2 and drives Dynamic device 21.

With reference to Fig. 3, DC bus 24 includes the first part installed along wire drawing machine 2, second installed along annealing furnace 3 The Part III for dividing and being installed along bobbin-winding machine 4.In this way, driver 21,22 and 23 is connected to corresponding sense The electric power cable (not shown) of induction motor 8,15 and 20 is very short and does not need especially to shield.By along wire drawing The mode of the installation of line 1 and the communication bus 25 being mounted on wire drawing line 1, passes through the control being mounted in the control panel 5 of annealing furnace 3 Unit 26 controls driver 21-23.

Therefore, overall coining of the wire drawing line 1 on the direction across wire-drawing direction T on the ground is substantially by annealing furnace 3 The depth of (Fig. 2) limits.

Under the hypothesis using the induction conductivity 8,15 and 20 with the power less than or equal to 40KW, for example, driving Dynamic device 21 to 23 is the type for the model SINAMICS G120D that Siemens sells.

The so-called of wire drawing line 1 is mounted on according to unshowned another embodiment of the invention, control unit 26 herein In console (that is, human interface devices), human interface devices allow operator interact with wire drawing machine 1 (for example, issue beginning and Cease and desist order) and be typically mounted on the support by ground or be fixed to wire drawing machine 2 or annealing furnace 3 frame suspension Arm.

According to unshowned another embodiment of the invention herein, each induction conductivity 8,15,20 is liquid system Cold and corresponding driver 21,22,23 have with an integrated external shell in induction conductivity 8,15,20, To use identical refrigeration circuit.

According to another embodiment of the invention shown in Fig. 4 and Fig. 5, wherein counter element is in Fig. 2 and Fig. 3 Identical label and abbreviation indicate that driver 21 is contained in the box 27 that is installed on the rear side of wire drawing machine 2, next to induced electricity Motivation 8 (Fig. 4), driver 22 is contained in control panel 5 and driver 23 is contained in and is installed on away from ground assigned altitute It protects in another box 28 on the rear wall 29 of shell 10 (Fig. 4).DC bus 24 is in control panel 5 and the inner part of box 27 and 28 Extend.

The position that box 27 and 28 is installed needs box 27 and 28 with the degree of protection of at least IP54 rank.By driver 21,22 and 23 be connected to corresponding induction conductivity 8,15 and 20 electric power cable (not shown) ratio Fig. 1 to Fig. 3 implementation Electric power cable in mode is longer.Box 27 is configured to prominent not from rear side 12, and induction conductivity 8 is mostly such.Bobbin-winding machine 4 The pedestal 30 across wire-drawing direction T usually than rear wall 29 be located at protection shell 10 top it is deeper;Box 28 is configured to protect It stays in the depth of pedestal 30.Therefore, the coining of wire drawing line 1 on the ground is not influenced by existing for box 27 and 28.

Even if foregoing invention is more particularly to given embodiment, however, since protection scope of the present invention further includes pair The obvious all these deformations of those skilled in the art, change or reduced form, so the present invention is not construed as only office It is limited to the embodiment, such as:

For the quantity and diameter of the silk that will be stretched simultaneously, for the purpose for the production capacity for improving the line, for drawing Silk machine 2 uses greater number of induction conductivity 8 and therefore uses greater number of driver 21;

There is no annealing furnace 3, in this case, control unit 26 is contained in console;

The implementation of above-mentioned electric framework in wire drawing line is used for wire, stick or billot;

Idler roller 13 is not motor drive, that is, without relevant induction conductivity 15 and relevant driver 22;And

There is no annealing furnace 3 and relevant control panel 5, that is, wire drawing line 1 produces hard drawn yarn, in this case, power supply In another capsule that grade 16 is contained on the rear side 12 for being installed on wire drawing machine 2 or it is contained in box 27.

Compared with the existing line with identical production capacity, due to the driver of motor be mounted on wire drawing line and because This does not need outer box and relies on the ground and for keeping driver itself, so the major advantage of above-mentioned wire drawing line 1 is With the coining that may be significantly smaller on the ground.In addition, if wire drawing line includes the annealing furnace with relevant control panel, then control By way of the direct current second of the three ten-day periods of the hot season voltage generated in making sheet can be used for the dc bus extending along wire drawing line 1, by power supply To the inverter of driver.Finally, especially in the case where driver is directly installed on phase induction motor, on wire drawing line The presence of driver allows to significantly reduce the length for the cable for connecting driver with motor.

Claims (15)

1. a kind of for by the wire drawing line of at least a wire, wire rod or billot wire drawing, the wire drawing line (1) to include: in institute Acted on during the course of work for stating wire drawing line (1) wire, wire rod or billot multiple rotating mechanisms (6,13,14, 19);Multiple induction conductivities (8,15,20), each induction conductivity be designed to make the multiple rotating mechanism (6,13,14, 19) one or more rotations in;Multiple drivers (21-23), each driver are designed to control the multiple induced electricity Corresponding one in motivation (8,15,20) and including at least one DC/AC inverter;And power supply device (16), it is designed At generation direct current second of the three ten-day periods of the hot season voltage (Udc) to supply electric power to the multiple driver (21-23);The feature of the wire drawing line (1) It is that the wire drawing line includes single DC voltage bus (24), the single DC voltage bus (24) is connected to the power supply It the output of device (16) and is installed along the wire drawing line (1), to supply institute to whole the multiple drivers (21-23) State direct current second of the three ten-day periods of the hot season voltage.
2. wire drawing line according to claim 1, wherein the multiple driver (21-23) is mounted on corresponding described more On a induction conductivity (8,15,20).
3. wire drawing line according to claim 1 further includes wire drawing machine (2);The multiple rotating mechanism (6,13,14,19) The first rotating mechanism (6) including a part as the wire drawing machine (2), the multiple induction conductivity (8,15,20) packet Include the first induction conductivity (8) associated with the first rotating mechanism (6), the multiple driver (21-23) include with Associated first driver (21) of first induction conductivity (8), and the wire drawing machine (2) includes being mounted on the drawing On the side (12) of silk machine (2) and accommodate the first box (27) of first driver (21).
4. wire drawing line according to claim 1 further includes wire drawing machine (2) and the output for being connected to the wire drawing machine (2) Annealing furnace (3);The power supply device (16) is mounted on the annealing furnace (3).
5. wire drawing line according to claim 4, wherein the annealing furnace (3) includes the first protection shell (9) and control panel (5), the control panel (5) is mounted on the first wall (11) of first protection shell (9) and including being connected to the control The power supply device (16) of the output of making sheet and the low volt voltage (Uann) of supply direct current are with the voltage conversion device for annealing (18)。
6. wire drawing line according to claim 5, wherein the multiple rotating mechanism (6,13,14,19) includes described in conduct At least one second rotating mechanism (13,14) of a part of annealing furnace (3), the multiple induction conductivity (8,15,20) packet It includes and at least one associated second induction conductivity (15) of second rotating mechanism (13,14), and the multiple drive Dynamic device (21-23) includes associated with the second induction conductivity (15) and is contained in the control panel (5) at least One the second driver (22).
7. wire drawing line according to claim 1 further includes wire drawing machine (2) and bobbin-winding machine (4), the bobbin-winding machine is in wire drawing The downstream volume of journey is around the wire, wire rod or billot;The multiple rotating mechanism (6,13,14,19) includes being used as the network At least one third rotating mechanism (19) of a part of cylinder machine (4), the multiple induction conductivity (8,15,20) include and institute State at least one associated third induction conductivity (20) of third rotating mechanism (19), the multiple driver (21-23) packet At least one third driver (23) associated with third induction conductivity (20) is included, and the bobbin-winding machine (4) wraps The second protection shell (10) and the second box (28) are included, second box (28) is mounted on the second of second protection shell (10) On wall (29) and accommodate the third driver (23).
8. wire drawing line according to claim 1 further includes communication bus (25), console and control device (26), institute Communication bus (25) is stated to install along the wire drawing line (1), and the control device (26) be contained in the console and It is designed to control the multiple driver (21-23) by the communication bus (25).
9. wire drawing line according to claim 5 further includes communication bus (25) and control device (26), the communication bus (25) it is installed along the wire drawing line (1), and the control device (26) is contained in the control panel (5) and is designed to The multiple driver (21-23) is controlled by the communication bus (25).
10. wire drawing line according to claim 1 further includes wire drawing machine (2);The multiple rotating mechanism (6,13,14,19) The first rotating mechanism (6) including a part as the wire drawing machine (2), the multiple induction conductivity (8,15,20) packet Include the first induction conductivity (8) associated with the first rotating mechanism (6), the multiple driver (21-23) include with Associated first driver (21) of first induction conductivity (8);The sense of each of described first induction conductivity (8) The rear side (12) parallel with wire-drawing direction (T) of a part of induction motor from the wire drawing machine (2) is prominent, until not change institute State the degree of the coining of wire drawing machine (2) on the ground.
11. wire drawing line according to claim 3, wherein first box (27) be mounted on the wire drawing machine (2) with drawing On the parallel rear side (12) in silk direction (T), not change the coining of the wire drawing machine (2) on the ground.
12. wire drawing line according to claim 5, wherein the annealing furnace (3) is along wire-drawing direction (T) and the wire drawing Machine (2) alignment, and first wall (11) crosses the wire-drawing direction (T), so that the installation of the control panel (5) does not change The wire drawing line (1) is in the coining on the wire-drawing direction (T) on the ground.
13. wire drawing line according to claim 7, wherein the bobbin-winding machine (4) is in the mode parallel with wire-drawing direction (T) It is aligned with the wire drawing machine (2), and the bobbin-winding machine includes across the wire-drawing direction (T) and than the second protection shell (10) deeper pedestal;Second wall (29) is after second protection shell (10) of the wire-drawing direction (T) Wall so that the installation of second box (28) do not change the wire drawing line (1) on the wire-drawing direction (T) on the ground Coining.
14. wire drawing line according to claim 1 further includes multiple machines (2-4), the multiple rotating mechanism (6,13, It 14,19) is each of a part of the relevant machine (2-4), and each driver (21-23) is mounted on correlation The machine (2-4) on, the relevant machine (2-4) include by relevant the multiple induction conductivity (8,15, 20) the multiple rotating mechanism (6,13,14,19) associated with the multiple driver (21-23) itself.
15. wire drawing line according to claim 14, wherein the multiple machine (2-4) includes wire drawing machine (2), is connected to The annealing furnace (3) of the output of the wire drawing machine (2) and the bobbin-winding machine (4) for the output for being connected to the annealing furnace (3).
CN201580057198.XA 2014-10-27 2015-10-27 For by the wire drawing line of wire, wire rod or billot wire drawing CN107206445B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITBO20140598 2014-10-27
ITBO2014A000598 2014-10-27
PCT/IB2015/058281 WO2016067201A1 (en) 2014-10-27 2015-10-27 Wiredrawing line for wiredrawing a metal wire, wire rod or strap

Publications (2)

Publication Number Publication Date
CN107206445A CN107206445A (en) 2017-09-26
CN107206445B true CN107206445B (en) 2019-03-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580057198.XA CN107206445B (en) 2014-10-27 2015-10-27 For by the wire drawing line of wire, wire rod or billot wire drawing

Country Status (3)

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EP (1) EP3212344B1 (en)
CN (1) CN107206445B (en)
WO (1) WO2016067201A1 (en)

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CN2621846Y (en) * 2003-04-09 2004-06-30 上海金东线缆设备有限公司 Continuous annealing wire drawing bench using 8-head as unit
EP1844868A3 (en) * 2006-04-12 2007-10-31 Ernst Koch GmbH & Co. KG Wire drawing device
CN201030483Y (en) * 2007-04-12 2008-03-05 郑州恒杰实业有限公司 Wire drawing, annealing, taking-up intelligent integral unit
CN102059263A (en) * 2010-12-03 2011-05-18 赵义敏 Control system for wire drawing machine
CN102489533A (en) * 2011-12-04 2012-06-13 西北有色金属研究院 Electroplastic drawing device of MgB2 wire and drawing method thereof
CN203470504U (en) * 2013-09-04 2014-03-12 江阴华电新材料有限公司 Copper wire drawing and annealing all-in-one machine

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DE29900994U1 (en) * 1999-01-21 1999-05-06 Henrich Gmbh Plant for the continuous production of stranded strand material
JP5363598B2 (en) * 2011-04-07 2013-12-11 ファナック株式会社 Motor drive controller that can be connected to a DC / AC converter
AT512676A1 (en) * 2012-03-23 2013-10-15 Cpa Comp Process Automation Gmbh Wire puller

Patent Citations (6)

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Publication number Priority date Publication date Assignee Title
CN2621846Y (en) * 2003-04-09 2004-06-30 上海金东线缆设备有限公司 Continuous annealing wire drawing bench using 8-head as unit
EP1844868A3 (en) * 2006-04-12 2007-10-31 Ernst Koch GmbH & Co. KG Wire drawing device
CN201030483Y (en) * 2007-04-12 2008-03-05 郑州恒杰实业有限公司 Wire drawing, annealing, taking-up intelligent integral unit
CN102059263A (en) * 2010-12-03 2011-05-18 赵义敏 Control system for wire drawing machine
CN102489533A (en) * 2011-12-04 2012-06-13 西北有色金属研究院 Electroplastic drawing device of MgB2 wire and drawing method thereof
CN203470504U (en) * 2013-09-04 2014-03-12 江阴华电新材料有限公司 Copper wire drawing and annealing all-in-one machine

Also Published As

Publication number Publication date
CN107206445A (en) 2017-09-26
EP3212344A1 (en) 2017-09-06
EP3212344B1 (en) 2020-12-02
WO2016067201A1 (en) 2016-05-06

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