CN108069290A - For operating the method for winder unit and coil winding machine - Google Patents

For operating the method for winder unit and coil winding machine Download PDF

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Publication number
CN108069290A
CN108069290A CN201711113541.5A CN201711113541A CN108069290A CN 108069290 A CN108069290 A CN 108069290A CN 201711113541 A CN201711113541 A CN 201711113541A CN 108069290 A CN108069290 A CN 108069290A
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CN
China
Prior art keywords
yarn
winder unit
tensioner
unwinding
tension sensor
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Granted
Application number
CN201711113541.5A
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Chinese (zh)
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CN108069290B (en
Inventor
M·库潘班德
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.)
Lida Automatic Winder Co ltd
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Saurer Germany GmbH and Co KG
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Publication of CN108069290A publication Critical patent/CN108069290A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/22—Automatic winding machines, i.e. machines with servicing units for automatically performing end-finding, interconnecting of successive lengths of material, controlling and fault-detecting of the running material and replacing or removing of full or empty cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/005—Means compensating the yarn tension in relation with its moving due to traversing arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
    • B65H59/384—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension using electronic means
    • B65H59/385—Regulating winding speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)

Abstract

The present invention relates to for operating the method for winder unit and coil winding machine.By yarn tensioner (14) yarn is set to be tensioned, and as the progress of unwinding process reduces unwinding accelerator (45) in cylinder yarn (9).According to the present invention, the yarn tension sensor (20) that winder unit (2 ') is referred to by being located at controls yarn to be tensioned in a closed loop manner, the yarn tensioner (14) is wherein set according to the measured value of the yarn tension sensor (20), senses and store the setting for the yarn tensioner (4) for being located at the reference winder unit (2 ') according to the position of the unwinding accelerator (45)；And at the winder unit (2), the yarn tensioner (14) is set by the value stored according to the position of the unwinding accelerator (45).

Description

For operating the method for winder unit and coil winding machine
Technical field
The present invention relates to a kind of methods for operating winder unit, are used to set yarn more specifically to one kind The method of tensioning.The invention further relates to a kind of coil winding machines.
Background technology
In the case of known coil winding machine, as described in 2 468 670 B1 of EP, with open loop or can for example closed Ring mode controls yarn tension or the yarn to be tensioned, i.e., compared with the yarn tension of yarn cross section area.Yarn tensioning passes through Yarn tensioner is set.In the case where opened loop control yarn is tensioned, sensor is not required, and for example refers to yarn tensioner Determine constant power control signal., it is necessary to measure the sensor for the amount for representing yarn tensioning for the tensioning of closed-loop control yarn.Claimed It is commonplace for the sensor of yarn tension sensor.Operator can be set still control in an open-loop manner in a closed loop manner Yarn tensioning processed.For each lot number (lot) come to specify this set be that comparison is wise.Lot number is formed by work station , at work station, identical yarn is wound into cross winding bobbin with identical characteristic.In principle, even if there are yarn tension biographies Sensor, operator can also specify opened loop control.In this case, disable yarn tension sensor or at least control is single Member is without using measured value.
In further possibility, at the winder unit with tension sensor, yarn tensioning is controlled in a closed loop manner, And it senses and stores the Setting pattern of yarn tensioner.Then can utilize the pattern unwind the cylinder yarn of identical lot number without Measure yarn tensioning.For example, the setting that can be sensed according to the length of yarn unwind from cylinder yarn and store yarn tensioner.It moves back Around length of yarn be spin cylinder yarn on remaining amount of thread measurement result.As described in 2 468 670B1 of EP, such as Fruit yarn tension sensor fails, then can use the pattern；Or the pattern usually causes winder unit in no yarn It can also be operated in the case of force snesor.In the latter case, it is only necessary to a reference with yarn tension sensor Winder unit.
When pulling out yarn from spinning cylinder yarn, yarn tensioning increases without appropriate influence.However, in order to keep yarn Be tensioned it is constant, can in a closed loop manner be controlled in the manner described above by yarn tensioner the yarn be tensioned.Then, according to from moving back The increase of the yarn tensioning obtained around process reduces stretcher pressure.In addition to yarn tensioner, yarn tensioning can also be by To the influence of winding speed.Due to this reason, for example, from known to 37 33 597 A1 of DE according to spinning cylinder yarn on remaining yarn Amount carries out opened loop control to winding speed.The opened loop control of this winding speed can be by alternatively carrying out or except logical It crosses yarn tensioner yarn tensioning be additionally carried out outside closed-loop control.In the case where being closed control yarn tensioning, Winding speed can not also be changed, until the yarn that can not possibly be specified again by yarn tensioner maintenance is tensioned.With spinning The reduction of leftover yarn length on tube yarn, yarn tensioning will rise without further influencing.Therefore, yarn tensioner will Apply more strong pressure when cylinder yarn stroke starts, and the pressure is reduced in cylinder yarn stroke.Yarn tensioner may arrive At the point that can not possibly further reduce up to pressure.This means yarn tensioning will rise.This point in order to prevent can reduce Winding speed.The speed preferably reduces step by step.In the first step, the speed, yarn tensioning are reduced with the ratio limited before It reduces, and yarn tensioner must increase the pressure of yarn tensioner again, so that yarn tensioning is kept constant.Then lead to It crosses yarn tension sensor and yarn tensioner and controls yarn tensioning in a closed loop manner again.Once the pressure of yarn tensioner to It returns and is reduced to minimum value, then further reduce winding speed in second step.
Yarn is tensioned to have the quality of cross winding bobbin and significantly affect.Therefore, in the case of quality requirement height, volume Around unit equipped with yarn tension sensor, and yarn tensioning is controlled in a closed loop manner.In the case where quality requirement is relatively low, Yarn tension sensor is saved in cost reason, and yarn tensioner is set in a position-stable manner.It is described above to be used to set The pattern for putting yarn tensioner represents a kind of compromise.It therefore, also can be by full cylinder in the case of no yarn tension sensor Yarn reel is coiled into the cross winding bobbin of high quality.However, it cannot most preferably unwind remaining cylinder yarn and lopsided cylinder yarn.
2 671 983 A2 of EP disclose a kind of winder unit of coil winding machine, which there is so-called unwinding to add Fast device.It is a kind of tubular structure to unwind accelerator, and with the progress of cylinder yarn unwinding process, the tubular structure is upper and lower in the axial direction It drops on cylinder yarn.Thus, it is possible to influence ballooning of yarn (ballon).Yarn tensioning reduces, and can increase winding speed. Unwinding accelerator has the sensor device for sensing cylinder yarn circular cone, the unwinding of the yarn body of the sensor arrangement senses cylinder yarn Head.Thus it can suitably reduce unwinding accelerator.For example, the unwinding accelerator can be reduced by stepper motor.From stepping The step number of motor can derive the position of unwinding accelerator and thus derive the position of cylinder yarn circular cone.In EP 2 671 983 In A2, unwinding accelerator is also used for additionally determining the position of the irregular portion in cylinder yarn when irregular portion occurs.Know this Position allows to reduce winding speed (for example, cylinder yarn for identical lot number) at the position.
The content of the invention
The present invention solves the problems, such as it is suitably yarn to be set to be tensioned with plain mode at the winder unit of coil winding machine.
The problem described below is solved by a kind of for operating the method for winder unit.Yarn is wound from cylinder yarn It is more specifically wound up into retracting bobbin on cross winding bobbin.By yarn tensioner yarn is set to be tensioned.With unwinding The progress of journey reduces unwinding accelerator in the cylinder yarn.The yarn tension sensor at winder unit is referred to close by being located at Ring mode controls the yarn to be tensioned, wherein the yarn is set to be tensioned according to the measured value of the yarn tension sensor Device.Setting for the yarn tensioner with reference at winder unit is located to sense and store according to the position of the unwinding accelerator It puts.At the winder unit, by the value stored the yarn is set to be tensioned according to the position of the unwinding accelerator Device.
The problem is also solved by a kind of coil winding machine of winder unit with multiple same types, which has such as Lower feature.The winder unit is designed to yarn being wound up on retracting bobbin from cylinder yarn, is more specifically wound up into intersection volume On bobbin.The winder unit has the yarn tensioner that yarn is set to be tensioned and can be with the progress of unwinding process And the unwinding accelerator reduced.One winder unit is designed to have the reference winder unit of yarn tension sensor.It sets There is control device, the control device is designed to control the reference volume in a closed loop manner by the yarn tension sensor Yarn tensioning at unit, and the yarn tensioner is set according to the measured value of the yarn tension sensor.Institute Control device is stated to be also devised to sense and be stored according to the position of the unwinding accelerator at the reference winder unit Yarn tensioner setting, and according to it is described unwinding accelerator set by the value stored at winder unit Yarn tensioner.
Any winder unit of coil winding machine can be designed as described with reference to winder unit.Then, in the reference volume The correlation determined at unit can be used for other winder units.
The method according to the invention and coil winding machine according to the present invention allow to the feelings in no yarn tension sensor Most of winder units of coil winding machine are operated under condition, however still may insure to maintain the yarn specified on the entire stroke of cylinder yarn Line is tensioned.It can be tensioned with specified yarn and reliably unwind incomplete cylinder yarn and lopsided cylinder yarn.Cylinder yarn circular cone is added by unwinding Fast device detects, and sets yarn tensioner according to the cylinder yarn circular cone position of cylinder yarn to be unwind.Based on unwinding accelerator Move downward detect due to the change in location for the cylinder yarn circular cone that unwinding process generates, and according to the cylinder yarn circular cone stored Position and the setting of yarn tensioner between correlation yarn tensioner is set.
In addition in operation winder unit in the case of no yarn tension sensor, the present invention makes it also possible to evade The failure of yarn tension sensor.It, can be by the cylinder that is stored it means that if yarn tension sensor breaks down Correlation between the position of yarn circular cone and yarn tensioner sets yarn tensioner.
In addition to the setting of yarn tensioner, it is assumed that also as described above according to the measured value of yarn tension sensor and/ Or winding speed is adjusted according to the setting with reference to the yarn tensioner at winding point, then it can also be according to the position of unwinding accelerator It puts and advantageously stores winding speed.Thus, in addition to the setting of yarn tensioner, winding can also be adjusted in winding process Speed, without yarn tension sensor.
Description of the drawings
The present invention is described in more detail below based on embodiment example shown in figure, in the accompanying drawings：
Fig. 1 shows coil winding machine according to the present invention, which has multiple winder units.
Fig. 2 shows the reference winder unit of coil winding machine according to the present invention.
Specific embodiment
Fig. 1 shows coil winding machine 1, and the coil winding machine 1 is with multiple between being arranged in the end frame 55,56 of coil winding machine 1 Winder unit 2 and reference winder unit 2 '.The coil winding machine has is connected to winder unit controller 40 by bus system 60 Central control unit 50.The central control unit has the keyboard 52 and display 51 that operate and show.
Fig. 2 shows the schematic side elevation of the reference winder unit 2 ' during winding process.The structure of winder unit 2 It is all identical.Additionally only there is yarn tension sensor 20 with reference to winder unit 2 '.It, will be in RING SPINNING at winder unit 2 What is produced on yarn machine only has the recoil of feeding bobbin (cylinder yarn of commonly referred to as spinning) 9 of relatively fewer yarn material into the intersection of large volume Winding bobbin 11 since this is well known, is no longer more fully described.The cross winding bobbin 11 of completion is then by certainly The service unit 57 of dynamic operation such as doffing machine is transferred to the bobbin conveying device 21 along machine direction, and is transported to arrangement Bobbin loading depot at machine end etc..
For this coil winding machine 1 additionally equipped with circulation pipe storehouse (round magazine), spinning cylinder yarn 9 is stored in the cycling In Guan Ku；Or automatic coil winding machine has the logistics device for taking the form of bobbin and bobbin conveying system 3.With the cloth that is vertically oriented It puts the spinning cylinder yarn 9 on delivery board 8 and bare bobbin 34 and then is cycled in this bobbin and bobbin conveying system 3.Described In bobbin conveying system 3, merely illustrate cylinder yarn supply line 4, can reverse driven storage line 5, lead to winder unit 2 a transverse direction it is defeated Line sending 6 and bobbin exhausting line 7.As shown in the figure, the spinning cylinder yarn 9 conveyed is located in unwinding position 10 first (should surround position In the region for putting the 10 lateral transfer lines 6 being located at winder unit 2), then recoiled.
For this purpose, as simultaneously therefore only implying as is known, each winder unit 2 has at various yarn monitorings and yarn Device is managed, these devices not only ensure that spinning cylinder yarn 9 can be recoiled into the cross winding bobbin 11 of large volume, but also ensure The yarn flaws of yarn 30 are monitored in rewinding process, and remove detected yarn flaws.Each winder unit 2 has volume Around cell controller 40, which is connected to yarn monitoring and yarn treatment by the control circuit only implied Device, and it is connected to by bus system 60 control device 58 of central control unit 50 and service unit 57.
Winder unit 2 is for example respectively provided with coiler device 24, which, which has, is supported for around pivot axis 19 The bobbin cradle 18 of movement, and equipped with bobbin driving device 26 and Yarn lateral-movement device 28.
In shown embodiment example, cross winding bobbin 11 is shelved on drive during winding process by its surface On dynamic roller 26, and driven by being frictionally engaged by the driven roller 26.Driven roller 26 passes through controllable, the reversible driving of rotating speed Device (not shown) and play a role.
The traversing of yarn 30 is occurred by Yarn lateral-movement device 28 when running on cross winding bobbin 11, current real It applies in mode example, which is finger-like yarn guide 29.
Winder unit 2 is also with Yarn Connecting apparatus (the preferably pneumatic operation splicing apparatus with cutter device 43 13), low yarn sensor 22, yarn tensioner 14, have the yarn clearer 15 of yarn cutting device 17 and waxing attachment 16.Fig. 2 Shown in reference winder unit 2 ' additionally have yarn tension sensor 20.
In addition, winder unit 2 can be applied equipped with suction nozzle 12 and clamping pipe 25 to suction nozzle 12 and clamping pipe 25 Add negative pressure.Suction nozzle 12 and clamping pipe 25 are connected to the vacuum cross member 32 along machine length, the vacuum cross member 32 are connected to vacuum source 33 again.
In embodiment illustrated example, also additionally it is located in the region of waxing attachment 16 from thread path and is omited Micro- yarn trap 23 set backward, so that yarn 30 is run during winding process in 42 front of opening of yarn trap 23. Yarn trap 23 is similarly connected to vacuum cross member 32 by air switch 27.Air switch 27 has the company for yarn trap 23 Column (stub) 35 and the relatively large safety post of volume (relief stub) 36 are connect, the opening of the safety post 26 is in normal volume Around 12 gastight closing of suction nozzle by being located at holding fix P during operation.It will safety by being pivoted up suction nozzle 12 The opening of column 36 ensures that negative pressure existing at yarn trap 23 is disintegrated.
Unwinding accelerator 45 is arranged on the unwinding position 10 of cylinder yarn 9.Exist at the cylinder yarn side of unwinding accelerator 45 Measuring device 46.The detection of measuring device 46 is located at the cylinder yarn circular cone 47 of the cylinder yarn 9 in unwinding position 10.It in this way, can be with moving back Unwinding accelerator 45 is reduced in cylinder yarn 9 around the progress of process.Unwinding accelerator 45 by measuring device 46 and be maintained at away from At 47 constant distance of cylinder yarn circular cone.Unwinding accelerator 45 for example can carry out axial fortune by the stepper motor being not shown It is dynamic.It can readily determine that the position of unwinding accelerator 45 by the step number for sensing stepper motor.
In order to maintain constant yarn tension, when cylinder yarn stroke starts firstly the need of higher stretcher pressure.Spinning Leftover yarn amount in cylinder yarn 2 it is smaller or unwinding accelerator 45 position further shift downwards, maintain constant yarn tension The stretcher pressure that must be set is lower.Under constant tension device pressure, yarn tension thus will with unwinding process and Increase.
Winding speed need not all be kept constant during the entire stroke of cylinder yarn.If yarn tensioner 14 cannot be further Pressure is reduced, then can reduce winding speed step by step so that yarn tensioner 14 engages again with yarn 30.
In shown embodiment example, coil winding machine 1 has with reference to winder unit 2 '.Multiple references are equipped with to coil winding machine Winder unit 2 ' is also reasonable.If concurrently producing different lot numbers on coil winding machine 1, so (it is equipped with multiple With reference to winder unit 2 ') it is just especially suitable.Closed-loop fashion control yarn tensioning is being sentenced with reference to winder unit 2 '.This explanation, leads to It crosses yarn tension sensor 20 and measures yarn tensioning, and yarn tensioner 14 is arranged so that yarn tensioning and desired value Match somebody with somebody.The setting of yarn tensioner 14 is sensed and stores according to the position of unwinding accelerator 45.Furthermore it is also possible to storage volume is around speed Degree.These values can be stored in nonvolatile manner in the memory of workstation controller 40 or central control unit 50 is deposited In reservoir.Described value can for example store in the form of a table.The table thus will be for the setting of yarn tensioner 14 and winding The value of speed is associated with the position for unwinding accelerator 45.
Definite data are sent to the work station meter of the winder unit 2 of no yarn tension sensor 20 in this way Calculation machine 40.Then yarn tensioner 14 and possible volume are set by the table stored according to the position of unwinding accelerator 45 Around speed.It, can be according in reference volume around list in order to improve the operation of the winder unit of no yarn tension sensor 20 The tables of multiple cylinder yarns of the lot number of member place sensing determines to set the average value of yarn tensioner.It thus, then can be These average values are used at winder unit 2.

Claims (2)

1. one kind is used for the method for operating winder unit (2),
Wherein, yarn (30) is wound up into retracting bobbin from cylinder yarn (9) to be more specifically wound up on cross winding bobbin (11)；
Wherein, by yarn tensioner (14) yarn is set to be tensioned；
Wherein, as the progress of unwinding process reduces unwinding accelerator (45) on the cylinder yarn (9),
It is characterized in that, control the yarn by being located at reference to the yarn tension sensor (20) at winder unit (2 ') Tightly, wherein setting the yarn tensioner (14) according to the measured value of the yarn tension sensor (20), and according to institute It states the position of unwinding accelerator (45) and is located at the yarn tensioner with reference to (2 ') at winder unit to sense and store (14) setting；And
At the winder unit (2), according to setting by the value stored the position of the unwinding accelerator (45) Yarn tensioner (14).
2. a kind of coil winding machine (1) of the winder unit (2) with multiple same types, wherein, the winder unit (2) is designed It is wound up on retracting bobbin, is more specifically wound up on cross winding bobbin (11), wherein the volume from cylinder yarn (9) by yarn The yarn tensioner (14) for around unit (2) having that yarn is set to be tensioned, wherein have can be with for the winder unit (2) The progress of unwinding process and the unwinding accelerator (45) reduced,
It is characterized in that, a winder unit is designed to have the reference winder unit (2 ') of yarn tension sensor (20)；
Control device (40,50) is provided with, the control device (40,50) is designed to through the yarn tension sensor (20) the yarn tensioning with reference at winder unit (2 ') is controlled, and according to the measurement of the yarn tension sensor (20) Value sets the yarn tensioner；
The control device (40,50) is also devised to sense and be stored in institute according to the position of the unwinding accelerator (45) The setting with reference to the yarn tensioner (14) at winder unit (2 ') is stated, and according to the position of the unwinding accelerator (45) It puts through the value stored to set the yarn tensioner (14) at winder unit (2).
CN201711113541.5A 2016-11-11 2017-11-13 For operating the method and coil winding machine of winder unit Active CN108069290B (en)

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Application Number Priority Date Filing Date Title
DE102016121667.4A DE102016121667A1 (en) 2016-11-11 2016-11-11 Method for operating a winding unit and winding machine
DE102016121667.4 2016-11-11

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CN108069290A true CN108069290A (en) 2018-05-25
CN108069290B CN108069290B (en) 2019-07-05

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Publication number Priority date Publication date Assignee Title
EP4310043A1 (en) * 2022-07-19 2024-01-24 Savio Macchine Tessili S.p.A. Method for controlling the winding tension

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CN104326310A (en) * 2013-07-22 2015-02-04 村田机械株式会社 Unreeling auxiliary device and automatic spooler

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CN101549808A (en) * 2008-03-31 2009-10-07 村田机械株式会社 Automatic winder and method for detecting malfunction in automatic winder
EP2502865A1 (en) * 2009-11-18 2012-09-26 Murata Machinery, Ltd. Bobbin winder
CN102530646A (en) * 2010-12-23 2012-07-04 欧瑞康纺织有限及两合公司 Method for operating a winding machine and winding machine thereof
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4310043A1 (en) * 2022-07-19 2024-01-24 Savio Macchine Tessili S.p.A. Method for controlling the winding tension

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CN108069290B (en) 2019-07-05
DE102016121667A1 (en) 2018-05-17
JP6985109B2 (en) 2021-12-22

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