EP1317975A1 - Dispositif pour la fabrication de fil etiré - Google Patents

Dispositif pour la fabrication de fil etiré Download PDF

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Publication number
EP1317975A1
EP1317975A1 EP01811192A EP01811192A EP1317975A1 EP 1317975 A1 EP1317975 A1 EP 1317975A1 EP 01811192 A EP01811192 A EP 01811192A EP 01811192 A EP01811192 A EP 01811192A EP 1317975 A1 EP1317975 A1 EP 1317975A1
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EP
European Patent Office
Prior art keywords
wire
stretched
stretching
sensor
length
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.)
Withdrawn
Application number
EP01811192A
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German (de)
English (en)
Inventor
Carsten Schauhoff
René Aschwanden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HA Schlatter AG
Original Assignee
HA Schlatter AG
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
Application filed by HA Schlatter AG filed Critical HA Schlatter AG
Priority to EP01811192A priority Critical patent/EP1317975A1/fr
Priority to CA002411623A priority patent/CA2411623A1/fr
Priority to JP2002382752A priority patent/JP2003236609A/ja
Priority to EP02406050A priority patent/EP1317976A3/fr
Priority to US10/310,934 priority patent/US20030121304A1/en
Publication of EP1317975A1 publication Critical patent/EP1317975A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F9/00—Straining wire

Definitions

  • the invention relates to a device for producing discontinuously stretched Wire with two spaced clamping devices, at least one by one Stretching length is movable. Furthermore, a system with such an upstream one Device claimed. In addition, the invention relates to methods for industrial Manufacture of discontinuously stretched wire.
  • Hot-rolled and finned steel wire is rolled to its nominal size in the glowing state. In the last roll stand, ribbing is applied to the wire rod. In order to ensure that the yield strength (R e ) reaches a higher value than is normally the case with a WR, the WR can be cold worked in an additional step. For example, the WR is cold worked by stretching.
  • the first main group is the continuous one Stretching, whereby a multi-axis or uniaxial tension is exerted on the wire becomes.
  • Continuous stretching with multi-axis tension is the most common Process used to produce drawn wire.
  • the wire is through the top and pulled underlying rollers, which in their axial alignment to each other are shifted so that the wire is drawn in a serpentine shape through these rollers.
  • Combination systems are often used for this, which are the process of cold rolling and combine stretching.
  • uniaxial tension is applied to the wire.
  • the wire is around a first Role in the opposite direction and via a second role, which is compared to the first role in The opposite direction of the pulling force is arranged, again in the pulling direction.
  • the reel In the view the reel is guided in the form of a lying 8. This procedure for Production of stretched wire is nowadays due to the high mechanical Effort and the lack of flexibility hardly applied.
  • the object of the invention is to create a device and the associated method, which is a discontinuous stretching of wire at high speeds and high Production security enabled.
  • the solution to the problem is defined by the features of claim 1.
  • According to the Invention has an apparatus for the industrial manufacture of batch stretched wire two spaced clamping devices, at least one around one Return stroke is movable and at least one of them with a sensor for determining the Wire tension is equipped.
  • Industrial production is understood to mean production in quantities. This in Difference to test arrangements in which individual wires for the determination of Test results are processed and processed, for example in one Destruction test to check the maximum tensile strength.
  • the wire is delivered as a coil of wire in the coil.
  • the stretch Movable clamping device becomes the wire when stretching due to the plastic Deformation directed at the same time.
  • the sensor continues the wire tension is detected.
  • the recorded values can be assigned to a wire section can be saved. Wire sections produced in the following are only checked for their final values.
  • the stretching can be based on statistical Evaluations of the measured values are continuously adapted automatically. additionally a voltage threshold can be specified at which the one to be stretched Wire section is aligned absolutely straight.
  • the degree of stretching can thus be programmed continuously. This eliminates the need for adjustments the device if different production lengths are to be produced. Furthermore, the device does not have to be converted if the diameter of the wire changes become.
  • Each wire section is determined by the values recorded and saved by the sensor continuously checked. Fluctuations in material strength are observed during production recognized and the device can continuously adapt to the detected values processing material to be adjusted. At the same time, through the device Any material defects or rejects during production are recognized and qualitative inferior wires can be discarded or the further manufacturing process of Finished products are removed. This prevents none from being qualitative inferior wire sections with wire sections corresponding to the standards Structural steel mats are welded.
  • the existing committee is concerned only individual wire sections and not entire structural steel mats. This does not result only to save material, but also to save a significant amount of time at Production of steel mesh.
  • Means for inserting or advancing the wire are preferably in Longitudinal wire direction provided.
  • the wire rod is typical for industrial production introduced directly from the coil of wire rod into the device according to the invention. It can the wire rod can be shot into the device. With the means of insertion or feeding the wire during the production is also with one Exchange of the wire rod bundle guaranteed.
  • cut and preferably pre-aligned wire sections preferably from a magazine or storage unit of the device according to the invention be fed transversely to the stretching direction.
  • the wire sections fed in this way are stretched in the device and then processed further.
  • the device On the input side, the device is preferably provided with a roller straightener. This aligns the wire so far that it is facilitated by the device can be pushed through.
  • the roles of the roller straightener are preferably slidably mounted so that the distance between the top and bottom rollers, preferably automatically controlled, adapts to the diameter of the wire.
  • the roller straightener can, for example, in The direction of insertion of the first, opposite rollers must be freely movable. Will the Inserted wire, the rollers move from their zero position according to the Diameter of the wire up or down. With a separate sensor can the distance between the first two roles recorded and the subsequent roles accordingly this distance can be positioned mechanically controlled. Further on Slidable rollers act a spring force, which is sufficiently large on the wire Press force exerts for the perfect guidance of the wire.
  • the wire can e.g. B. straightened under straightening presses become.
  • Another possibility to prepare the wire is with a straightening rotor Indicative stones.
  • the device according to the invention can be a stretch leveler upstream, which straightens the wire before stretching.
  • Can continue the roller straightener can be essentially replaced by any device which for example, at least pre-straightening the wire by rolling, drawing or pressing.
  • a first roller feed unit a first clamping device, a Straightening path and a second clamping device arranged.
  • the approximately prepared one Wire is fed from the roll straightener through the first with the first roll feed unit Clamping device, the straightening section and the second clamping device passed through. After the two clamps hold the wire, at least through the a movable clamping device, preferably the first clamping device, the wire stretched.
  • the wire is transported further with the roller feed unit so that the The process can be repeated for the next wire section.
  • the first roller feed unit can be in the feed direction of the Wire can be arranged after the first clamping device, the Roller feed unit comes to lie within the straightening path. Only that can go on second clamping device can be moved. Furthermore, both the first and the second, Clamping devices are designed to be movable.
  • the length of the straightening section can preferably be adjusted.
  • the roller straightener, the first roller feed unit and the first clamping device one unit of the device and the second clamping device as one further unit of the device which is displaceable to the first unit.
  • the second unit of one The predetermined maximum length of the straightening section is shortened to any dimension become.
  • the maximum length of the route is interrelated with the Length of the path of the movable clamping device, which is determined by the degree of stretching results.
  • a second roller feed unit in front of second clamping device can be arranged, which supports the wire transport.
  • the arrangement of the second can be particularly great when the number of cycles of the device is high Roller feed unit can be an advantage.
  • roller feed unit can be an advantage.
  • two roller feed units they are preferably operated synchronously. In one variant, for example, only one of the roller feed units is actively operated and the other roller feed unit runs passively.
  • the wire can be pre-tensioned with the second roller feed unit being held.
  • the first clamping device arranged on the input side, which extends by the stretching length is movable, is preferably arranged on a linear hydraulic booster, which can travel freely programmable paths.
  • a wire rod is preferably 3% up to 5% in the device according to the invention. So the required is Stroke or the movable path of the first clamping device a little more than 5% of the length the maximum straightening distance.
  • another tensioning device can also be provided.
  • the second clamping device can be on a linear hydraulic Power amplifier can be arranged, the first being arranged on the input side Clamping device is arranged stationary in this variant. Both can continue Clamping devices can be arranged on linear hydraulic boosters. The Clamping devices are preferably used simultaneously in such an arrangement Move away from each other or alternately in opposite directions until the Wire rod was extended by the desired stretching dimension.
  • a pressure can is preferably arranged as a sensor on the stationary clamping device.
  • the Pressure cell With the pressure cell, the tension in the wire is maintained during the entire process of Stretching and in particular the final value for each stretched wire section.
  • the Pressure cell can, for example, on the basis of a spring (spring principle) or on the Working on the basis of a hydraulic pressure (hydraulic principle).
  • the dates of the Pressure cell are stored in one control unit and for the other Production of drawn wire provided. With the measured and stored values is a discontinuous stretching with simultaneous (online) Quality control enables.
  • the stored final values can be used for a statistical evaluation for the individual stretched wire sections can be used. It can also be a Stress threshold can be defined, which is certainly on the elastic straight line of the Stress-strain diagram of the wire rod is to ensure that the Wire is absolutely straight and that stretching has started.
  • the device preferably has a cutting unit arranged on the output side, to cut the stretched wire.
  • the stretched wire is preferred with a Cutting device z. B. a scissors arrangement according to the desired length cut to length.
  • the stretched wire can also be used with a cutting torch be cut to length.
  • a receptacle which fall to the ground the cut wires are prevented and the wires are used for further processing Provides. If the device is connected upstream of a lattice welding machine, serves the recording as a material depot or storage area from which the required wires can be removed from a feed device of the grid welding machine.
  • the device preferably comprises a control device which measures the stretching length on the Sets the basis of the wire tension measured with the sensor. Is the total length of the wire section to be stretched more than the length of the straightening path, which is determined by the Distance between the first and second clamping device is given in a first Step extends the wire section by the maximum possible stretching length, which in the percentage relationship to the standard distance. Then the wire is around the Missing amount of the desired total length advanced and again by one Amount stretched in the same percentage ratio, which is divided by the amount of Feeds.
  • the stretching length is preferably automatically increased by the control Adjusted the length of the straightening path or feed.
  • the controller is typically designed as a module and is not fixed in the device built-in. This allows control to be tailored to the needs of the user or adapted to the local conditions.
  • a system with a lattice welding machine is advantageous according to the invention Device for producing discontinuously stretched wire upstream. Consequently the stretched and cut wire sections are directly on the grid welding machine made available for further processing and can be used by a Wire feeder of the mesh welding machine can be taken over.
  • two devices according to the invention for producing discontinuously stretched wire of a system with a grid welding machine be upstream.
  • One of the devices according to the invention produces the cross wires and the other device produces the line wires.
  • From the corresponding Interim storage is, for example, with two feeders Grid welding machine removed the required, stretched wires and for further Processing positioned.
  • a Wire section to be machined gripped and stretched with two clamping devices. With a sensor for measuring the wire tension and a displacement sensor Stress-strain dependency added. This is used for further processing stored associated with the wire section.
  • the further wire sections are stretched at full power Device and there are only the final values of each individual wire section checked. If a measured end value of an stretched wire section lies outside of a predefined tolerance range, the device can be adapted accordingly or the wire section with the values outside the tolerance discarded.
  • wire sections ensures production security and compared to the known methods for a discontinuous stretching of wire sections improved as well as reducing the amount of scrap.
  • the method has the advantage that it is possible to work with high cycle numbers and that Production security is improved compared to previous processes.
  • Will stretching Regulated by the tractive force stretching is only possible with a small number of cycles, since the Force changes continuously from the start of stretching to the desired stretching length.
  • Can at the same time the saved values for each rolled wire bundle or also for each wire section can be printed out. This printout can be used as proof of quality for the material from Steel mats serve. If the wires are sold as semi-finished products, the printed list or a copy of it enclosed with the wire bundle as a quality document become. A quality control is created, which meets every ISO standard and allows a reliable statement about the rod production.
  • discontinuously stretched Wire becomes the stretching length for a wire section based on statistical Evaluations of the stress-strain dependency are automatically adjusted continuously.
  • the automatic adjustment takes place e.g. B. on the way and / or the force. Does that change Steel quality or if a new wire rod is inserted into the device, the adapts Machine itself.
  • This process can be used to produce wire sections an operating documentation is created, which on the one hand for the Operational data acquisition and on the other hand used for quality assurance can.
  • the voltage threshold value is preferably individual for each wire section determined.
  • the sensor detects when the wire is in an absolutely straight line Position and the applied force is used only for stretching and not straightens the wire more.
  • the wire becomes automatic in the longitudinal direction in all processes introduced and cut to length automatically after stretching.
  • FIG. 1 shows a stress-strain diagram for a hot-rolled and ribbed wire (WR) in the rolled and stretched state.
  • the strain ⁇ is plotted on the abscissa axis 2 of the diagram 1 and the stress ⁇ on the ordinate axis 3.
  • Curve 4 shows the characteristic curve of a naturally hard steel - here a wire rod - in the stress-strain diagram. The wire is drawn and reaches its yield point R e . Up to this point, the steel is in its elastic range and would regain its original length if the traction were removed. From the yield point R e , the steel begins to flow with another force (the so-called flow plateau).
  • the tension in the steel increases further from the end of the flow plateau 5 to the maximum tensile strength R m (also referred to here as point 6).
  • the region 7 from the zero point to the point of the yield point R e is referred to as elastic elongation.
  • the area 8 from the point of the yield point R e to the tensile strength R m (point 6) is referred to as plastic elongation.
  • the wire section shortens minimally, which is represented by point 10.
  • the stretched wire is loaded again, the steel essentially behaves like a cold-formed wire, on which the ribs and the reduction in diameter due to longitudinal expansion were formed by cold working.
  • the stretched WR has better stretching properties than a ribbed KR.
  • the WR has a new yield strength R er , which is closer to the tensile strength R m than the given tensile strength R m in terms of the value of the tension ⁇ (by the difference between the yield strength R e and the yield strength R er ) than it is for an unstretched wire is.
  • the wire behaves elastically again in region 11 and plastically in region 12.
  • a preferred stretching limit ratio is achieved with stretching, the better stretching properties of the wire rod essentially being retained.
  • Wire from wire rod bundles in coils is mainly used on the device according to the invention.
  • the wire inserted into the device is not absolutely straight. Therefore, at the beginning of the application of voltage, the characteristic picture as represented by curve 4 does not result.
  • the wire is not absolutely straight, there is a discontinuous curve 13. From the point of intersection 14 of curve 13 with the elastic straight line 15 of curve 4, the actual stretching of the wire begins.
  • a voltage threshold value 16 can thus be defined, which is either determined individually for each wire section to be stretched or is determined as a fixed value. As soon as, for example, a pressure cell measures the voltage threshold, there is certainty that the pre-stretching phase is complete and the actual stretching begins.
  • the voltage threshold value 16 is, for example, 200 N / mm 2 , which corresponds approximately to one third of the yield strength R e of the wire material.
  • This tension threshold value 16 can also be set higher in the case of strongly curved wire material, the value of the tension threshold value 16 preferably being clearly below the value of the yield strength R e ( ⁇ 500 N / mm 2 ).
  • the stretching machine 21 comprises on the input side (based on the drawing, left) a roller straightener 22 to which a first roller feed unit 23 connects. This is followed by a first clamping device 24, which is based on a hydraulic Linear amplifier 25 is arranged on which the first clamping device 24 horizontally is controlled controlled. These components form a first part 26 of the stretching machine 21.
  • a second part 27 is formed by a second clamping device 28, which a Includes cutting device 29.
  • the second part 27 can also be a second Include roll feed unit.
  • the wire 31 is kept under tension or it serves the Supporting the first roller feed unit 23 when feeding the wire 31.
  • the length of the straightening section 32 can be varied if necessary.
  • the first part 26 can be fixed on a frame mounted and the second part 27 z. B. be fixed on a worm gear, which with an engine is operated.
  • the length of the straightening section 32 can thus meet the requirements be adapted to production.
  • the straightening section 32 is, for example, by a stable steel girder (e.g. a U-profile, such as a UNP or UAP) is formed.
  • Straightening section 32 can be adjusted in length, for example, two nested U-profiles arranged, which according to the set Overlap length.
  • the second part 27 can have a recess be provided or be constructed in such a way that the steel girder of the straightening section 32 does so penetrates when the length of the straightening section 32 by moving the second part 27 is shortened.
  • the straightening section 32 begins at the first clamping device 24 and ends at the second clamping device 28.
  • the maximum straightening distance 32 can correspond to the Desires or requirements of the user, the maximum stroke of the hydraulic linear amplifier 25 is to be considered. For example, if the length the straightening distance is 4,000 mm and the usual degree of stretching is from 3% to 5% the stroke of the movable first clamping device 24 must be at least Amount to 200 mm. If the straightening section 32 z. B. enlarged to 8,000 mm, would have consequently the stroke of the movable first clamping device 24 corresponds to the The length of the straightening section 32 must be at least 400 mm. With the nowadays Available resources are for constructive reasons and with regard to the Production costs and due to the serviceability of the stretching machine 21 It makes sense to limit the length of the straightening section 32 to less than 5,000 mm.
  • a wire section z. B. will be produced with a length of 6,000 mm proceed as follows: The wire is advanced to a length of 4,000 mm and, at a degree of stretching of 5%, stretched by 200 mm. Then the wire is turned again 2'000 mm pushed and stretched again by 100 mm. Thus, a 6,000 mm long wire section produced, which was stretched by 5%.
  • the process for producing a discontinuously stretched wire described.
  • the wire rod bundles 33.1 and 33.2 are on a double, horizontal drain 34 for processing in the stretching machine 21 provided.
  • a double, horizontal drain 34 can for example the end of the wire rod bundle 33.1 with the beginning of the Wire rod bundle 33.2 are welded so that work can be carried out without interruption can.
  • a new one Positioned wire rod bundle on the drain and its start if necessary to the End of the wire rod bundle 33.2 welded.
  • the beginning of the wire rod bundle 33.1 is in the stretching machine 21 introduced or shot and prepared in the roller straightener 22 such that the Pushing the wire 31 is facilitated.
  • the wire 31 is subsequently from the First roller feed unit 23 is detected, which connects to the roller straightener 22.
  • the first roller feed unit 23 consists of two oppositely directed rollers 35.1 and 35.2, between which the wire 31 is advanced, and two drives 36.1 and 36.2, which drive the rollers 35.1 and 35.2 in a controlled manner and preferably are coordinated. Instead of two separate drives 36.1 and 36.2 only one drive both roles 35.1 and 35.2 z. B. drive via a gear.
  • roller straightener 22 and the first roller feed unit 23 are at least the lower or upper roles of the Roller straightener 22 and the first roller feed unit 23 in one direction slidably mounted, e.g. B. in vertical.
  • the zero position of the rollers corresponds to that smallest wire diameter to be processed (e.g. 4 mm) and the minimum Movement of the movable rolls must be the largest to be processed Correspond to wire diameter (e.g. 12 mm).
  • the setting of the gap between the rollers can passively due to the diameter of the inserted Wire 31 or actively mechanically controlled.
  • the Rolling surfaces of the rollers can be coated with a deformable material, which the Machining of the entire diameter range (e.g. 4 mm to 12 mm) enables without that the rollers have to move in one direction.
  • the wire 31 is fed to the second clamping device 28 with the roller feed unit 23 advanced.
  • the first clamp 24 and the second clamp 28 are constructed essentially the same. They have at least two jaws 37.1 and 37.2 or 38.1 and 38.2, which are movable relative to each other and the clamp wire 31 in between.
  • the jaws 37.1 and 37.2 and 38.1 and 38.2 are controlled mechanically or hydraulically.
  • the first clamping device 24 is arranged on a hydraulic linear amplifier 25, which can travel freely programmable paths.
  • the stretching force generated by the linear amplifier 25 is approximately 70 kN and enables a wire with a diameter of 12 mm to be stretched up to its maximum yield point of approximately 630 N / mm 2 .
  • the wire 31 to be stretched is held by the first clamping device 24 and the second clamping device 28.
  • the first clamping device is then moved in the clamped state by the desired degree of stretching against the direction of insertion.
  • the front pair of rollers 35.1 and 35.2 must rotate against the direction of insertion of the wire 31 so that the stretching path is compensated for.
  • the first stretched wire section is produced in a start-stop function (stop-and-go).
  • stretched wires are produced. If differences in the measured end values during production that are outside the defined tolerance range are determined, the force or degree of stretching is adjusted. At the same time, stretched wires that do not meet the desired requirements or have material defects can be sorted out and removed from the further manufacturing process, for example in the manufacture of structural steel mats.
  • the stretched wire with the first roll feed unit 23 transported on. If two roll feed units in one stretching machine arranged, they are preferably coordinated (i.e. synchronously), or actively or passively depending on the position of the wire 31.
  • a cutting device 29 is arranged on the second clamping device 28 the stretched wire 31, for example with a scissor device to the desired Measure to length.
  • discontinuously stretched Wire becomes the stretching length for a wire section based on statistical Evaluations of the stress-strain dependency are automatically adjusted continuously.
  • the statistical evaluation is based on an average, which is based on a predefined number, e.g. B of fifty wire sections, measured and stored values is created.
  • the automatic adjustment of the stretching length can doing z. B. on the way and / or force. Does the steel quality change or if a new wire rod is inserted into the device, the machine adapts itself.
  • This process can be used to produce wire sections
  • Operating documentation are created, which for example for the Operating data acquisition or for quality assurance can be used.
  • the stretching length for a wire section is related to a stress threshold value, which defines the completion of a pre-stretching phase.
  • a value is defined as a control point on the elastic straight line, which ensures that the wire section is absolutely straight.
  • a voltage threshold for wire material that is used for the production of structural steel mats and that complies with the relevant standards is in the range of 200 N / mm 2 and 500 N / mm 2 .
  • the voltage threshold value can be reduced for the subsequent wire sections. This has the advantage that the number of cycles of the device and thus the amount of drawn wire increased. If the voltage threshold is reached, stretching of the wire section can begin until the desired final value is reached.
  • the number of cycles of the device according to the invention is based on the cycle time Production of a wire section, which results from the advance of the wire section, the clamping of both clamping devices, the stretching stroke and the opening of the clamps and the sum of the split times.
  • the wire 31 is withdrawn completely and the new one Wire is inserted or shot into the stretching machine 21.
  • the adjustable components of the individual devices described can be set to manual Adjustments to the individual devices of the stretching machine can be dispensed with, which the Productivity of the stretching machine significantly increased compared to the prior art.
  • the Diameter changes can be automated with simple means.
  • Another way to increase productivity is to arrange two units, which are connected in parallel.
  • the two units can use only one Hydraulic unit are operated.
  • the stretching machine 21 can be used as a stand-alone solution or as an integration in one Plant for the production of structural steel mats are used, the stretching machine the actual system is preferably connected upstream. That is, that in the Stretching machine stretched wires directly to the plant for the production of steel mesh Made available and taken over by them for further processing.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
EP01811192A 2001-12-07 2001-12-07 Dispositif pour la fabrication de fil etiré Withdrawn EP1317975A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP01811192A EP1317975A1 (fr) 2001-12-07 2001-12-07 Dispositif pour la fabrication de fil etiré
CA002411623A CA2411623A1 (fr) 2001-12-07 2002-11-13 Machine de fabrication de fil metallique etire
JP2002382752A JP2003236609A (ja) 2001-12-07 2002-11-29 引き延ばされる線材の製造装置
EP02406050A EP1317976A3 (fr) 2001-12-07 2002-12-03 Dispositif pour la fabrication de fil étiré
US10/310,934 US20030121304A1 (en) 2001-12-07 2002-12-06 Apparatus for the production of stretched wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01811192A EP1317975A1 (fr) 2001-12-07 2001-12-07 Dispositif pour la fabrication de fil etiré

Publications (1)

Publication Number Publication Date
EP1317975A1 true EP1317975A1 (fr) 2003-06-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP01811192A Withdrawn EP1317975A1 (fr) 2001-12-07 2001-12-07 Dispositif pour la fabrication de fil etiré

Country Status (4)

Country Link
US (1) US20030121304A1 (fr)
EP (1) EP1317975A1 (fr)
JP (1) JP2003236609A (fr)
CA (1) CA2411623A1 (fr)

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CN103658455A (zh) * 2013-12-05 2014-03-26 青岛昊河水泥制品有限责任公司 钢筋拉直装置
CN106513539A (zh) * 2016-11-30 2017-03-22 国网山东省电力公司宁津县供电公司 一种单股弯曲导线调直装置
CN107716786A (zh) * 2017-10-28 2018-02-23 张晓双 一种电缆拉直装置
CN110923893A (zh) * 2019-12-03 2020-03-27 安徽骄阳软门有限责任公司 一种加工金刚纱线用折压设备
CN111468644A (zh) * 2020-05-18 2020-07-31 姚森 一种钢丝废料拉直加工工艺

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TW201217084A (en) * 2010-10-21 2012-05-01 Chun Zu Machinery Industry Co Ltd capable of shortening the remaining part of the material to ensure fully utilizing the wire
TW201226073A (en) * 2010-12-28 2012-07-01 Prec Machinery Res & Dev Ct Reciprocating-type straightening device of metal wire material and method thereof
CN102632166A (zh) * 2011-02-10 2012-08-15 财团法人精密机械研究发展中心 金属线材的往复式整直方法及其装置
CN103658456B (zh) * 2013-12-05 2015-09-23 青岛兴河建材有限公司 钢筋拉直装置夹持拉直机构
CN103658460B (zh) * 2013-12-05 2015-11-11 青岛昊河水泥制品有限责任公司 钢筋拉直装置夹持拉直机构
CN103658458B (zh) * 2013-12-05 2015-11-04 青岛兴河建材有限公司 钢筋拉直装置
CN108246922A (zh) * 2018-03-01 2018-07-06 芜湖市海联机械设备有限公司 一种圆料矫直切断机
CN109750543A (zh) * 2018-11-29 2019-05-14 安徽欣海经编织造有限公司 一种编织机
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CN112893493B (zh) * 2021-02-05 2024-04-26 安徽众恒复合材料科技有限公司 一种可调节式自动拉线机
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CN106513539A (zh) * 2016-11-30 2017-03-22 国网山东省电力公司宁津县供电公司 一种单股弯曲导线调直装置
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CN110923893A (zh) * 2019-12-03 2020-03-27 安徽骄阳软门有限责任公司 一种加工金刚纱线用折压设备
CN110923893B (zh) * 2019-12-03 2020-10-02 安徽骄阳软门有限责任公司 一种加工金刚纱线用折压设备
CN111468644A (zh) * 2020-05-18 2020-07-31 姚森 一种钢丝废料拉直加工工艺

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