CN107206445A - For the wire drawing line by wire, wire rod or with wire drawing - Google Patents

For the wire drawing line by wire, wire rod or with wire drawing Download PDF

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Publication number
CN107206445A
CN107206445A CN201580057198.XA CN201580057198A CN107206445A CN 107206445 A CN107206445 A CN 107206445A CN 201580057198 A CN201580057198 A CN 201580057198A CN 107206445 A CN107206445 A CN 107206445A
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CN
China
Prior art keywords
wire
line
machine
driver
motor
Prior art date
Application number
CN201580057198.XA
Other languages
Chinese (zh)
Other versions
CN107206445B (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

    • 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
    • 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
    • B21C1/04—Drawing 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
    • 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
    • B21C1/16—Metal 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
    • B21C1/20—Metal 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

One kind is used for will an at least wire, wire rod, or the wire drawing line (1) with wire drawing, wire drawing line (1) has acts on wire during elongation process, wire rod, or multiple rotating mechanisms (6 of band, 13, 14, 19), multiple induction conductivities (8, 15, 20), each induction conductivity causes rotating mechanism (6, 13, 14, one or more of 19) rotation, multiple drivers (21 23), the corresponding motor (8 of each driver control, 15, 20) and including DC/AC inverters, and supply unit (16), by way of the single DC voltage bus installed along wire drawing line (1) direct current power is supplied to the driver (21 23).

Description

For the wire drawing line by wire, wire rod or with wire drawing

Technical field

It is used for the wire drawing line by wire, wire rod or with wire drawing the present invention relates to a kind of.

Background technology

It is well known that according to following order, wire drawing line generally includes wire drawing machine, annealing furnace and bobbin-winding machine, wire drawing machine quilt It is designed to deform to perform constant volume to wire by a series of drawing-die stretched wires, to obtain with more small bore Silk, annealing furnace performs heat treatment to the hard drawn yarn delivered by wire drawing machine, to recover at least a portion of resistance and be constituted silk Metal extension feature, and bobbin-winding machine around bobbin wind annealing silk.Sometimes, without or without using annealing furnace, with The bobbin with simple hard drawn yarn is obtained at the end of process.

If wire drawing line is many silk threads, its different bobbin-winding machine for including being provided with respective spools or it include containing not collinear The collection bobbin cradle of axle.

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 bobbin and idler roller (provided that) be adapted to Transmission system by way of moved by induction conductivity.Pass through phase Answer each in these motor of driver control.If having the silk of major diameter using wire drawing line drawing, with stretch ring The motor of coupling has great power, for example, up to 80KW, and therefore, related driver is larger and dissipates big The heat of amount.

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

However, the presence of outer box has obvious shortcoming.First, outer box leaves larger impressing on the ground, makes The place logic that wire drawing line must be installed is complicated.In addition, electric power cable is very long (that is, different rice are long), so as to cause power to damage Consumption, and under the particular case using AC motor, cause significant electromagnetism sex chromosome mosaicism.Finally, because must build and Suitable passage or pipeline are installed, to allow cable from outer box enters wire drawing line, so other portions that must be with wire drawing line Outer box is separately installed, the presence of the outer box adds the structure and installation cost of sliver.

The content of the invention

It is an object of the invention to provide it is a kind of with the electric framework not influenceed by shortcoming described above while with simple The wire drawing line obtained with inexpensive mode.

According to the present invention there is provided have it is a kind of according to appended claims be used for the drawing by wire, wire rod or with wire drawing Silk thread.

Brief description of the drawings

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

Fig. 1 and Fig. 2 shows the 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 according to another embodiment of the 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.

Embodiment

In fig. 1 and 2, label 1 generally refers to be shown as the overall multifibres wire drawing line according to the present invention.Wire drawing line 1 Including the multifibres wire drawing machine 2, annealing furnace 3 and bobbin-winding machine 4 arranged according to wire-drawing direction T according to following order, multifibres wire drawing machine 2 receive multiple wires and perform its wire drawing, and to reduce its section, annealing furnace 3 receives hard drawn yarn from wire drawing machine 2 and held The D.C. resistance annealing of this thread of row, 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 producing so-called annealing voltage.Show the drawing being not in use Silk thread 1, i.e. showing does not have crude silk in the input of wire drawing machine 2 and at output 3a (Fig. 1) place of annealing furnace 3 The silk of (that is, at entrance 4a (Fig. 2) place of bobbin-winding machine 4) without annealing.

Wire drawing machine 2 includes multiple stretch rings 6 (Fig. 1), and stretch ring 6 rotates in a synchronous manner, to be stretched by multiple moulds 7 Silk.Stretch ring 6 is caused as known per se and therefore by way of the gear train assembly not shown in figure, via one Or multiple induction conductivity 8 (in the embodiment in figure 1, having three induction conductivities) rotations.Each in motor 8 is electronic A part for machine is prominent from the rear side 12 (that is, from the side almost parallel with wire-drawing direction T) of wire drawing machine 2, not change wire drawing The impressing of machine 2 on the ground.Annealing furnace 3 and bobbin-winding machine 4 include corresponding protective housing 9 and 10.Control panel 5 is arranged on containment vessel On the side wall 11 (that is, across wire-drawing direction T wall) of body 9, with do not change wire drawing line 1 on wire-drawing direction T on the ground Impressing.

Referring now to Fig. 3, annealing furnace 3 includes being contained in two idler rollers 13, stretch ring 14, the Yi Jisan inside its protective housing Individual induction conductivity 15, three induction conductivities 15 are designed to cause corresponding one in the idler roller 13 and stretch ring 14 revolves 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 is provided 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 represented as entirety with numbering 18, medium voltage Udc is transformed into the low volt voltage Uann of direct current suitable for being annealed to silk. Medium voltage Udc has the amplitude that scope is 500 to 1000V.The voltage Uann that anneals has by known way with 0 to 110V models The amplitude that the interval enclosed is modulated.Annealing voltage Uann maximum level depends on the metal types of the silk to be annealed, annealing The geometry of stove 3 and the maximum feed rate of the silk in wire drawing line 1.

Referring again to Fig. 3, bobbin-winding machine 4 includes the multiple bobbins 19 and multiple induced electricities being contained in its protective housing 10 Motivation 20, two bobbins 19 are illustrate only for simplifying in reason figure, and each induction conductivity 20 is designed to cause phase The bobbin 19 answered rotates.Controlled by corresponding driver 21,22 and 23 every in motor 8,15 and 20, driver One driver is to include the type of at least one DC/AC inverter.

Referring to figs. 2 and 3 according to the present invention, driver 21,22 and 23 is arranged on wire drawing line 1, specifically, is installed DC buses 24 (Fig. 3) are supplied on corresponding motor 8,15 and 20, and by unidirectional current voltage bus or simply Electric power, unidirectional current voltage bus or DC buses 24 are connected to the output of power stage 16 and install and install along wire drawing line 1 On wire drawing line 1, so that All Drives 21-23 can be reached.Fig. 2 illustrate only the motor 8 and driver 21 of wire drawing machine 2.

With reference to Fig. 3, DC buses 24 are including the Part I along the installation of wire drawing machine 2, along second of the installation of annealing furnace 3 The Part III for dividing and being installed along bobbin-winding machine 4.By this way, driver 21,22 and 23 is connected to corresponding electricity The electric power cable (not shown) of motivation 8,15 and 20 is very short and and need not especially shield.By pacifying along wire drawing line 1 The mode of dress and the communication bus 25 on wire drawing line 1, passes through the control unit in the control panel 5 of annealing furnace 3 26 control driver 21-23.

Therefore, overall impressing 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) is limited.

Under the hypothesis using the motor 8,15 and 20 with the power less than or equal to 40KW, for example, driver 21 to 23 be the type for the model SINAMICS G120D that Siemens sells.

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

According to unshowned another embodiment of the invention herein, each motor 8,15,20 is liquid refrigerating And corresponding driver 21,22,23 have with an integrated external shell in motor 8,15,20, to use phase Same refrigeration circuit.

According to the another embodiment of the invention shown in Fig. 4 and Fig. 5, wherein, counter element is with Fig. 2 and Fig. 3 Identical label and abbreviation represent that driver 21 is contained in the capsule 27 that is installed on the rear side of wire drawing machine 2, it is electronic to be close to Machine 8 (Fig. 4), driver 22 is contained in control panel 5 and driver 23 is contained in and is installed in the guarantor away from ground assigned altitute In another capsule 28 on the rear wall 29 of protective case body 10 (Fig. 4).DC buses 24 in control panel 5 and box 27 and 28 partly Extension.

The position of mounting box 27 and 28 needs degree of protection of the box 27 and 28 with least IP54 ranks.By driver 21, 22 and 23 are connected in embodiment of the electric power cable (not shown) than Fig. 1 to Fig. 3 of phase induction motor 8,15 and 20 Electric power cable it is longer.Box 27 is configured to not protruded from rear side 12, and motor 8 is mostly such.Bobbin-winding machine 4 cross wire drawing The top for the protective housing 10 that direction T pedestal 30 is generally located at than rear wall 29 is deeper；Box 28 is configured to be retained in pedestal 30 Depth in.Therefore, the impressing of wire drawing line 1 on the ground is not existed by box 27 and 28 and influenceed.

Even if foregoing invention is specifically related to given embodiment, however, due to protection scope of the present invention also include 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, for example：

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

- without 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, rod or band；

- idler roller 13 is not motor driving, i.e. without related motor 15 and related driver 22；And

- without annealing furnace 3 and related control panel 5, i.e. wire drawing line 1 produces hard drawn yarn, in this case, power supply Another capsule that level 16 is contained on the rear side 12 for being installed on wire drawing machine 2 is interior or is contained in box 27.

Compared with the existing line with identical production capacity, due to motor driver be arranged on wire drawing line on and because This does not need outer box by the ground and for keeping driver in itself, so the major advantage of above-mentioned wire drawing line 1 is With the impressing that may be significantly smaller on the ground.If in addition, wire drawing line includes the annealing furnace with related control panel, controlled The direct current second of the three ten-day periods of the hot season voltage produced in making sheet can be used for by way of the dc bus extended along wire drawing line 1, by supply of electric power 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 the length for significantly reducing the cable for being connected driver with motor.

Claims (15)

1. a kind of be used for the wire drawing line by an at least wire, wire rod or with wire drawing, the wire drawing line (1) is included in described Multiple rotating mechanisms (6,13,14,19) of the wire, wire rod or band are acted on during the course of work of wire drawing line (1)； Multiple induction conductivities (8,15,20), each induction conductivity is designed to make in the rotating mechanism (6,13,14,19) One or more rotations；Multiple drivers (21-23), each driver is designed to control in the motor (8,15,20) Corresponding one and including at least one DC/AC inverter；And supply unit (16), it is designed to produce direct current second of the three ten-day periods of the hot season electricity (Udc) is pressed to supply electric power to the driver (21-23)；It is single that the wire drawing line (1) is characterised by that the wire drawing line includes Individual DC voltage bus (24), the single DC voltage bus (24) is connected to output and the edge of the supply unit (16) The wire drawing line (1) to install, to supply the second of the three ten-day periods of the hot season voltage to whole drivers (21-23).
2. wire drawing line according to claim 1, wherein, the driver (21-23) is arranged on the corresponding motor (8,15,20) on.
3. wire drawing line according to claim 1 or 2, and including wire drawing machine (2)；The multiple rotating mechanism (6,13, 14,19) the first drawing mechanism (6) of the part as the wire drawing machine (2), the multiple motor (8,15,20) are included Including first motor (8) associated with first rotating mechanism (6), the driver (21-23) includes and described the Associated the first driver (21) of one motor (8), and the wire drawing machine (2) is including installed in the wire drawing machine (2) On side (12) and accommodate the first box (27) of first driver (21).
4. wire drawing line according to any one of claim 1 to 3, and including wire drawing machine (2) and it is connected to the wire drawing The annealing furnace (3) of the output of machine (2)；The supply unit (16) is arranged on the annealing furnace (3).
5. wire drawing line according to claim 4, wherein, the annealing furnace (3) includes the first protective housing (9) and control panel (5), the control panel (5) is arranged on the first wall (11) of first protective housing (9) and including being connected to the control The low voltage (Uann) that lies prostrate of the supply unit (16) and supply direct current of the output of making sheet is for the voltage conversion device of annealing (18)。
6. wire drawing line according to claim 5, wherein, the multiple rotating mechanism (6,13,14,19) is included as described At least one second rotating mechanism (14) of a part for annealing furnace (3), the multiple motor (8,15,20) include with it is described At least one associated second motor (15) of second rotating mechanism (13,14), and the driver (21-23) include with At least one second driver (22) that second motor (15) is associated and is contained in the control panel (5).
7. wire drawing line according to any one of claim 1 to 6, and including wire drawing machine (2) and bobbin-winding machine (4), it is described Bobbin-winding machine drawing process downstream volume around the wire, wire rod or band；The multiple rotating mechanism (6,13,14,19) bag Include at least one the 3rd rotating mechanism (19) of the part as the bobbin-winding machine (4), the multiple motor (8,15,20) Including with the 3rd rotating mechanism (19) at least one the associated three-motor (20), the driver (21-23) bag Include with the driver (23) of at least one associated of the three-motor (20) the 3rd, and the bobbin-winding machine (4) includes the Two protective housing (10) and the second box (28), second box (28) are arranged on the second wall of second protective housing (10) (29) on and the 3rd driver (23) is accommodated.
8. wire drawing line according to any one of claim 1 to 7, and including communication bus (25), console and control Device (26) processed, the communication bus (25) is installed along the wire drawing line (1), and the control device (26) is contained in institute State in console and be designed to control the multiple driver (21-23) by the communication bus (25).
9. the wire drawing line according to claim 5 or 6, and including communication bus (25) and control device (26), it is described logical Letter bus (25) is installed along the wire drawing line (1), and the control device (26) be contained in the control panel (5) it is interior and by It is designed to control the multiple driver (21-23) by the communication bus (25).
10. the wire drawing line according to any one of claim 1 or 9, and including wire drawing machine (2)；The multiple whirler Structure (6,13,14,19) includes the first drawing mechanism (6) of the part as the wire drawing machine (2), the multiple motor (8,15,20) first motor (8) associated with first rotating mechanism (6) is included, the driver (21-23) includes First driver (21) associated with first motor (8)；Each motor in first motor (8) A part is prominent from the rear side (12) almost parallel with wire-drawing direction (T) of the wire drawing machine (2), to not change the wire drawing The degree of the impressing of machine (2) on the ground.
11. wire drawing line according to claim 3, wherein, first box (27) is installed in the wire drawing machine (2) and drawing On the almost parallel rear side (12) in silk direction (T), not change the impressing of the wire drawing machine (2) on the ground.
12. the wire drawing line according to claim 5 or 6, wherein, the annealing furnace (3) is drawn along wire-drawing direction (T) with described Silk machine (2) alignment, and first wall (11) crosses the wire-drawing direction (T) so that and the installation of the control panel (5) does not change Become the wire drawing line (1) in the impressing on the wire-drawing direction (T) on the ground.
13. wire drawing line according to claim 7, wherein, the bobbin-winding machine (4) is with almost parallel with wire-drawing direction (T) Mode is aligned with the wire drawing machine (2), and the bobbin-winding machine is included across the wire-drawing direction (T) and than the described second protection The deeper pedestal of housing (10)；Second wall (29) is second protective housing (10) across the wire-drawing direction (T) Rear wall so that the installation of second box (28) do not change the wire drawing line (1) on the wire-drawing direction (T) on ground Impressing on face.
14. wire drawing line according to claim 1, and including multiple machines (2-4), the rotating mechanism (6,13,14, 19) each in is a part for the related machine (2-4), and each driver (21-23) is arranged on related On the machine (2-4), the related machine (2-4) includes driving with described by the related motor (8,15,20) The associated rotating mechanism (6,13,14,19) of dynamic device (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 true CN107206445A (en) 2017-09-26
CN107206445B CN107206445B (en) 2019-03-08

Family

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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
EP1844868A2 (en) * 2006-04-12 2007-10-17 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
US20120256567A1 (en) * 2011-04-07 2012-10-11 Fanuc Corporation Motor drive control system enabling connection of direct current/alternating current conversion device
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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Publication number Priority date Publication date Assignee Title
DE29900994U1 (en) * 1999-01-21 1999-05-06 Henrich Gmbh Plant for the continuous production of stranded strand material
AT512676A1 (en) * 2012-03-23 2013-10-15 Cpa Comp Process Automation Gmbh Wire puller

Patent Citations (7)

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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
EP1844868A2 (en) * 2006-04-12 2007-10-17 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
US20120256567A1 (en) * 2011-04-07 2012-10-11 Fanuc Corporation Motor drive control system enabling connection of direct current/alternating current conversion device
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
CN107206445B (en) 2019-03-08
EP3212344A1 (en) 2017-09-06
EP3212344B1 (en) 2020-12-02
WO2016067201A1 (en) 2016-05-06

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