EP0737525B1 - Device for coiling and uncoiling of metal wires - Google Patents
Device for coiling and uncoiling of metal wires Download PDFInfo
- Publication number
- EP0737525B1 EP0737525B1 EP96103995A EP96103995A EP0737525B1 EP 0737525 B1 EP0737525 B1 EP 0737525B1 EP 96103995 A EP96103995 A EP 96103995A EP 96103995 A EP96103995 A EP 96103995A EP 0737525 B1 EP0737525 B1 EP 0737525B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wire
- metal wires
- dancer
- control unit
- shaft
- 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.)
- Expired - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 20
- 239000002184 metal Substances 0.000 title claims description 20
- 238000004804 winding Methods 0.000 claims description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
- B21C1/12—Regulating or controlling speed of drawing drums, e.g. to influence tension; Drives; Stop or relief mechanisms
-
- 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
- B21C1/02—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
- B21C1/08—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 in which the material does not slip on the drums
Definitions
- the invention relates to a device for winding and unwinding metal wires according to the preamble of claim 1.
- Such a device is for example in the German utility model DE-U 81 06 539 discloses.
- a device for pulling described by metal wires in which the metal wires in the individual Drawing stages with the help of jointly driven drawing disks Drawing dies are drawn, which reduces the wire diameter or the wire thickness.
- the drawing disks all have the same Diameters, however, run at different peripheral speeds.
- a dancer system consisting of an angle encoder, a dancer roll and several pulleys arranged. This Dancer system tensions the wire and enables automatic adjustment the wire run-off speed to that of the drawing process caused elongation of the metal wire.
- the device according to the invention for winding metal wires has a dancer system, which is equipped with a so-called proportional rotary magnet.
- This proportional rotary magnet is mainly characterized by the fact that it is a linear generates torque with its supply current and a has a horizontal torque-angle curve. The aforementioned Properties should also owe its name to it.
- the shaft of the proportional rotary magnet according to the invention is rigid with the shaft of the dancer system associated encoder. This allows the supply current of the proportional rotary magnet the mechanical tension of the to be wound Metal wire can be set and regulated to the desired value.
- the invention Dancer system ensures reproducible Wire tensions, i.e. winding or unwinding the metal wire with adjustable, constant running force.
- the invention is particularly advantageous on devices for pulling fine metal wires, especially tungsten or molybdenum wires with a wire diameter or a wire thickness below 500 ⁇ m, applicable.
- the supply spool of the wire drawing device has its own Drive for unwinding the metal wire equipped because of such thin Because of their low tensile strength, wires are not easily removed from the supply spool can be deducted.
- the dancer system according to the invention is particularly suitable for regulating wire tension and speed of the supply reel drive.
- This embodiment is a device for pulling metal wires.
- the figure shows strong schematizes the essential parts for understanding the invention Contraption.
- a detailed description of a pulling device metal wires to which the invention is applicable can be found, for example in the utility model DE-U cited as prior art 81 06 539.
- Tungsten wire 1 is drawn in several drawing stages with the help of drawing disks 4 via the dancer roller 5 and a deflection roller 6 through several drawing dies 7 guided until the desired final diameter is reached.
- the axis of the dancer roll 5 is by means of a connecting arm 8 rigidly connected to the shaft of a proportional rotary magnet 9.
- the Shaft of the proportional rotary magnet 9 is rigid on the shaft of an angle encoder 10 coupled.
- the encoder 10, the dancer roll 5 and the Proportional rotary magnet 9 form the dancer or the dancer system Device according to the invention for pulling metal wires.
- Both the proportional rotary magnet 9 and the angle encoder 10 are connected to the control unit 11 of the supply reel drive 3.
- the Control unit 11 regulates via a connection to drive 3 of the supply spool 2 the wire run-off speed.
- the encoder 10 measures the angle that the connecting arm 8 forms with the horizontal and outputs an input signal corresponding to this angle to the control unit 11 further.
- the wire tension by adapting the proportional rotary magnet supply current to the desired value can be set.
- the proportional rotary magnet 9 has a proportional one Behavior between the torque it generates and its supply current as well as a horizontal torque-angle curve and a constant torque in its working area on.
- the control unit 11 regulates the wire run speed depending on from the preset setpoint of the wire tension and the input signal, that it receives from the encoder 10.
- the dancer system 5, 6, 9, 10 can also be used on others Position, e.g. for multiple moves between the pulling disks to regulate the following pull washer.
- the invention Dancer system also in a winding machine for the production of Coil can be used for electric lamps.
- the dancer system according to the invention for regulating the wire tension as well as the wire run-off speed when winding and unwinding the core wire.
- the dancer system according to the invention can also be used for regulation the wire tension and the wire run-off speed around the Core wire to be wound and unwound from a supply spool Illuminated wire can be used.
- a spiral winding machine that can be equipped with the dancer system according to the invention described for example in the published patent application DE 43 43 933.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
- Wire Processing (AREA)
- Coating With Molten Metal (AREA)
Description
Die Erfindung betrifft eine Vorrichtung zum Auf- und Abspulen von Metalldrähten gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a device for winding and unwinding metal wires according to the preamble of claim 1.
Eine derartige Vorrichtung ist beispielsweise in dem deutschen Gebrauchsmuster DE-U 81 06 539 offenbart. Hier wird eine Vorrichtung zum Ziehen von Metalldrähten beschrieben, bei der die Metalldrähte in den einzelnen Ziehstufen mit Hilfe von gemeinsam angetriebenen Ziehscheiben durch Ziehsteine gezogen werden, die eine Reduktion des Drahtdurchmessers bzw. der Drahtstärke bewirken. Die Ziehscheiben besitzen alle den gleichen Durchmesser, laufen jedoch mit unterschiedlichen Umfangsgeschwindigkeiten. Zwischen der letzten Ziehscheibe, die einen separaten Antrieb besitzt, und dem Endziehstein ist ein Tänzersystem, bestehend aus einem Winkelcodierer, einer Tänzerrolle und mehreren Umlenkrollen angeordnet. Dieses Tänzersystem spannt den Draht und ermöglicht eine automatische Anpassung der Drahtablaufgeschwindigkeit an die durch den Ziehvorgang verursachte Längenausdehnung des Metalldrahtes. Üblicherweise bestehen derartige Tänzersysteme im wesentlichen aus einem Winkelcodierer und einer Tänzerrolle. Dabei ist die Welle des Winkelcodierers über einen Arm starr mit der Achse der Tänzerrolle, die auf dem zu ziehenden Draht lastet, verbunden. Die Drahtspannung ist durch das vom Tänzersystem ausgeübte Drehmoment bestimmt, das von dem Verbindungsarm zwischen dem Winkelcodierer und der Tänzerrolle sowie von dem Tänzerrollengewicht und eventueller am Arm angebrachter Zusatzgewichte definiert wird. Es ist auch bekannt, die Tänzerlast mittels Torsions- oder Zugfedern, die auf den Verbindungsarm zwischen Winkelcodierer und Tänzerrolle einwirken, zu erzeugen. Nachteilig ist bei dieser Anordnung, daß zusätzlich zum Tänzergewicht dynamische Massenträgheitskräfte auf den Draht einwirken und zu undefiniert schwankenden Drahtspannungen führen können. Wird die Tänzerlast mittels Torsions- oder Zugfedern generiert, so können durch das Auftreten von Resonanzschwingungen und nicht-linearem Kraftverlauf ebenfalls undefiniert schwankende Drahtspannungen erzeugt werden.Such a device is for example in the German utility model DE-U 81 06 539 discloses. Here is a device for pulling described by metal wires, in which the metal wires in the individual Drawing stages with the help of jointly driven drawing disks Drawing dies are drawn, which reduces the wire diameter or the wire thickness. The drawing disks all have the same Diameters, however, run at different peripheral speeds. Between the last drawing disc, which has a separate drive, and the end drawing block is a dancer system consisting of an angle encoder, a dancer roll and several pulleys arranged. This Dancer system tensions the wire and enables automatic adjustment the wire run-off speed to that of the drawing process caused elongation of the metal wire. Usually exist such dancer systems essentially from an angle encoder and a dancer role. The shaft of the encoder is over one arm rigid with the axis of the dancer roll, which rests on the wire to be drawn, connected. The wire tension is due to that exerted by the dancer system Torque determined by the link arm between the encoder and the dancer role and the dancer role weight and any additional weights attached to the arm are defined. It is also known, the dancer load by means of torsion or tension springs on the connecting arm act between the encoder and dancer roll. The disadvantage is with this arrangement that in addition to the dancer weight dynamic mass inertial forces act on the wire and lead to undefined fluctuating wire tensions being able to lead. If the dancer load is generated using torsion or tension springs, so by the occurrence of resonance vibrations and non-linear Force course also undefined fluctuating wire tensions are generated.
Die Patentschrift US 4,574,574 beschreibt eine Vorrichtung zur Herstellung von Litzen oder Glasfaserkabel mit einer elektromagnetischen Rutschkupplung zur Regelung der mechanischen Spannung in den zu verlitzenden Drähten bzw. Glasfasern.The US Pat. No. 4,574,574 describes an apparatus for the production of strands or fiber optic cable with an electromagnetic slip clutch for regulation the mechanical tension in the wires or glass fibers to be stranded.
Es ist die Aufgabe der Erfindung, eine Vorrichtung zum Auf- und Abspulen von Metalldrähten bereitzustellen, die eine definierte und möglichst konstante Drahtspannung während des Spulvorganges gewährleistet.It is the object of the invention to provide a device for winding and unwinding To provide metal wires that have a defined and as constant as possible Wire tension guaranteed during the winding process.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst. Besonders vorteilhafte Ausführungen der Erfindung sind in den Unteransprüchen beschrieben.This object is achieved by the features of Claim 1 solved. Particularly advantageous embodiments of the invention are shown in described the subclaims.
Die erfindungsgemäße Vorrichtung zum Spulen von Metalldrähten besitzt ein Tänzersystem, das mit einem sogenannten Proportional-Drehmagneten ausgestattet ist. Dieser Proportional-Drehmagnet zeichnet sich vor allem dadurch aus, daß er ein linear mit seinem Versorgungsstrom anwachsendes Drehmoment erzeugt und eine waagerecht verlaufende Drehmoment-Drehwinkel-Kennlinie besitzt. Den vorgenannten Eigenschaften dürfte er auch seinen Namen verdanken. Die Welle des Proportional-Drehmagneten ist erfindungsgemäß starr mit der Welle des zum Tänzersystem gehörenden Winkelcodierers gekoppelt. Dadurch kann über den Versorgungsstrom des Proportional-Drehmagneten die mechanische Spannung des zu spulenden Metalldrahtes auf den gewünschten Wert eingestellt und geregelt werden. Das erfindungsgemäße Tänzersystem gewährleistet reproduzierbare Drahtspannungen, d.h., ein Auf- bzw. Abspulen des Metalldrahtes mit einstellbarer, konstanter Ablaufkraft.The device according to the invention for winding metal wires has a dancer system, which is equipped with a so-called proportional rotary magnet. This proportional rotary magnet is mainly characterized by the fact that it is a linear generates torque with its supply current and a has a horizontal torque-angle curve. The aforementioned Properties should also owe its name to it. The shaft of the proportional rotary magnet according to the invention is rigid with the shaft of the dancer system associated encoder. This allows the supply current of the proportional rotary magnet the mechanical tension of the to be wound Metal wire can be set and regulated to the desired value. The invention Dancer system ensures reproducible Wire tensions, i.e. winding or unwinding the metal wire with adjustable, constant running force.
Die Erfindung ist besonders vorteilhaft auf Vorrichtungen zum Ziehen von feinen Metalldrähten, insbesondere von Wolfram- oder Molybdändrähten mit einem Drahtdurchmesser bzw. einer Drahtstärke unterhalb von 500 µm, anwendbar. Die Vorratsspule der Drahtziehvorrichtung ist mit einem eigenen Antrieb zum Abspulen des Metalldrahtes ausgerüstet, da derartig dünne Drähte wegen ihrer geringen Reißfestigkeit nicht einfach von der Vorratsspule abgezogen werden können. Das erfindungsgemäße Tänzersystem eignet sich besonders gut zur Regelung der Drahtspannung und der Drehzahl des Vorratsspulenantriebs.The invention is particularly advantageous on devices for pulling fine metal wires, especially tungsten or molybdenum wires with a wire diameter or a wire thickness below 500 µm, applicable. The supply spool of the wire drawing device has its own Drive for unwinding the metal wire equipped because of such thin Because of their low tensile strength, wires are not easily removed from the supply spool can be deducted. The dancer system according to the invention is particularly suitable for regulating wire tension and speed of the supply reel drive.
Nachstehend wird die Erfindung anhand eines bevorzugten Ausführungsbeispiels näher erläutert. Bei diesem Ausführungsbeispiel handelt es sich um eine Vorrichtung zum Ziehen von Metalldrähten. Die Figur zeigt stark schematisert die zum Verständnis der Erfindung wesentlichen Teile dieser Vorrichtung. Eine detaillierte Beschreibung einer Vorrichtung zum Ziehen von Metalldrähten, auf die die Erfindung anwendbar ist, findet man beispielsweise in dem als Stand der Technik zitierten Gebrauchsmuster DE-U 81 06 539.The invention based on a preferred embodiment explained in more detail. This embodiment is a device for pulling metal wires. The figure shows strong schematizes the essential parts for understanding the invention Contraption. A detailed description of a pulling device metal wires to which the invention is applicable can be found, for example in the utility model DE-U cited as prior art 81 06 539.
Die zum Ziehen von Metalldrähten gemaß des Ausführungsbeispiels besitzt
eine mit Wolframdraht 1 bestückte Vorratsspule 2, die von einem Elektromotor
3 angetrieben wird und von der der Drahtvorrat abgespult wird. Der
Wolframdraht 1 wird in mehreren Ziehstufen mit Hilfe von Ziehscheiben 4
über die Tänzerrolle 5 sowie über eine Umlenkrolle 6 durch mehrere Ziehsteinen
7 geführt, bis der gewünschte Enddurchmesser erreicht ist. In der
stark schematisierten Figur ist der Einfachheit halber nur eine Ziehstufe, bestehend
aus einer Ziehscheibe 4 mit einem davor angeordneten Ziehstein 7,
abgebildet. Die Achse der Tänzerrolle 5 ist mittels eines Verbindungsarmes 8
starr mit der Welle eines Proportional-Drehmagneten 9 verbunden. Die
Welle des Proportional-Drehmagneten 9 ist starr an die Welle eines Winkelcodierers
10 gekoppelt. Der Winkelcodierer 10, die Tänzerrolle 5 und der
Proportional-Drehmagnet 9 bilden den Tänzer bzw. das Tänzersystem der
erfindungsgemäßen Vorrichtung zum Ziehen von Metalldrähten.Which has for pulling metal wires according to the embodiment
a
Sowohl der Proportional-Drehmagnet 9 als auch der Winkelcodierer 10 sind
an die Steuerungseinheit 11 des Vorratspulenantriebs 3 angeschlossen. Die
Steuerungseinheit 11 regelt über einen Anschluß zum Antrieb 3 der Vorratsspule
2 die Drahtablaufgeschwindigkeit. Der Winkelcodierer 10 mißt
den Winkel, den der Verbindungsarm 8 mit der Horizontalen bildet und
gibt ein diesem Winkel entsprechendes Eingangssignal an die Steuerungseinheit
11 weiter. An der Steuerungsvorrichtung 11 kann die Drahtspannung
durch Anpassen des Proportional-Drehmagnet-Versorgungsstromes auf den
gewünschten Wert eingestellt werden. Durch den Versorgungsstrom des
Proportional-Drehmagneten 9 wird die Winkeleinstellung des Verbindungsarmes
8 und damit das auf den Wolframdraht 1 einwirkende Drehmoment
festgelegt. Der Proportional-Drehmagnet 9 weist nämlich ein proportionales
Verhalten zwischen dem von ihm erzeugten Drehmoment und seinem Versorgungsstrom
sowie eine waagerecht verlaufende Drehmoment-Drehwinkel-Kennlinie
und ein in seinem Arbeitsbereich konstantes Drehmoment
auf.Both the proportional
Die Steuerungseinheit 11 regelt die Drahtablaufgeschwindigkeit in Abhängigkeit
von dem voreingestellten Sollwert der Drahtspannung und dem Eingangssignal,
das sie von dem Winkelcodierer 10 erhält.The
Die Erfindung beschränkt sich nicht auf das näher beschriebene Ausführungsbeispiel.
Beispielsweise kann das Tänzersystem 5, 6, 9, 10 auch an anderer
Stelle, z.B. bei Mehrfachzügen zwischen den Ziehscheiben zum Regeln
der folgenden Ziehscheibe integriert sein. Außerdem kann das erfindungsgemäße
Tänzersystems auch in einer Wickelmaschine zur Herstellung von
Gewendel für elektrische Lampen eingesetzt werden. Beispielsweise eignet
sich das erfindungsgemäße Tänzersystem zur Regelung der Drahtspannung
sowie der Drahtablaufgeschwindigkeit beim Auf- und Abspulen des Kerndrahtes.
Ebenso kann das erfindungsgemäße Tänzersystem auch zur Regelung
der Drahtspannung und der Drahtablaufgeschwindigkeit des um den
Kerndraht zu wickelnden und von einer Vorratsspule abzuspulenden
Leuchtmitteldrahtes verwendet werden. Eine Wendelwickelmaschine, die
mit dem erfindungsgemäßen Tänzersystem ausgestattet werden kann, ist
beispielsweise in der Offenlegungsschrift DE 43 43 933 beschrieben.The invention is not limited to the exemplary embodiment described in more detail.
For example, the
Claims (6)
- Device for coiling and uncoiling metal wires for a winding machine for producing filaments for electric lamps or for a device for drawing metal wires, in which the control of the wire tension and of the wire run-off speed is performed with the aid of a dancer system, characterized in that the dancer system (5, 6, 9, 10) has a proportional rotary magnet (9) whose shaft is rigidly coupled to the shaft of the absolute shaft-angle encoder (10) of the dancer system, and which generates a torque which increases in proportion with its supply voltage.
- Device according to Claim 1, characterized in that the device has a motor-driven supply reel (2) for the metal wire (1), the speed of the motor (3) of the supply reel (2) being controlled by means of a control unit (11), with the result that the metal wire (1) is uncoiled from the supply reel (2) with a constant pulling-off force which can be set at the control unit (11).
- Device according to Claims 1 and 2, characterized in that the control unit (11) controls the supply voltage of the proportional rotary magnet (9).
- Device according to Claims 1 and 2, characterized in that the control unit (11) monitors the position and/or the output signal of the absolute shaft-angle encoder (10).
- Device according to Claim 1, characterized in that the metal wires (1) are tungsten or molybdenum wires.
- Device according to Claims 2 and 5, characterized in that after the drawing operation, the metal wires (1) have a thickness or a diameter of less than 500 µm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29505596U DE29505596U1 (en) | 1995-04-10 | 1995-04-10 | Device for pulling metal wires |
| DE29505596U | 1995-04-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0737525A1 EP0737525A1 (en) | 1996-10-16 |
| EP0737525B1 true EP0737525B1 (en) | 1999-08-11 |
Family
ID=8006268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96103995A Expired - Lifetime EP0737525B1 (en) | 1995-04-10 | 1996-03-13 | Device for coiling and uncoiling of metal wires |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0737525B1 (en) |
| DE (2) | DE29505596U1 (en) |
| HU (1) | HU219522B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006007202B3 (en) * | 2006-02-15 | 2007-05-03 | Supertek Gmbh | Device for controlled production of traction force for admission of web material, has several permanent magnets whereby one electric conductor is arranged between the permanent magnets |
| DE102016214787B4 (en) | 2016-08-09 | 2019-11-07 | Jonas & Redmann Automationstechnik Gmbh | Winding device and method for producing flat coils |
| CN109230868B (en) * | 2018-07-23 | 2020-09-25 | 江苏镇安电力设备有限公司 | Cable lifting constant tension control device and control method |
| CN116835398B (en) * | 2023-08-30 | 2024-01-09 | 之江实验室 | Retraction control method and retraction control device for tethered cable and aircraft assembly |
| CN117600257B (en) * | 2024-01-13 | 2024-06-07 | 东北石油大学 | Woven metal rubber spiral roll preparation and constant pitch stretching device and control method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2242435A (en) * | 1939-12-18 | 1941-05-20 | Nat Pneumatic Co | Strand feeding mechanism |
| DD142944A1 (en) * | 1979-05-10 | 1980-07-23 | Joachim Wolf | PROCESS FOR DRIVE CONTROL FOR STRAIGHT EXTRACTION MACHINES |
| DE3344731C2 (en) * | 1983-12-10 | 1985-12-12 | Stolberger Maschinenfabrik GmbH & Co KG, 5190 Stolberg | Stranding machine with tension control for the stranded goods |
| JPH07108317A (en) * | 1993-10-08 | 1995-04-25 | Sumitomo Metal Mining Co Ltd | Continuous drawing and annealing device for extra fine wire |
-
1995
- 1995-04-10 DE DE29505596U patent/DE29505596U1/en not_active Expired - Lifetime
-
1996
- 1996-03-13 EP EP96103995A patent/EP0737525B1/en not_active Expired - Lifetime
- 1996-03-13 DE DE59602689T patent/DE59602689D1/en not_active Expired - Fee Related
- 1996-04-09 HU HU9600917A patent/HU219522B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| HUP9600917A3 (en) | 1998-06-29 |
| HUP9600917A2 (en) | 1996-12-30 |
| DE29505596U1 (en) | 1995-06-14 |
| EP0737525A1 (en) | 1996-10-16 |
| DE59602689D1 (en) | 1999-09-16 |
| HU219522B (en) | 2001-04-28 |
| HU9600917D0 (en) | 1996-05-28 |
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