EP1781849A1 - Method and device for producing fancy yarn on a ring-spinning frame - Google Patents
Method and device for producing fancy yarn on a ring-spinning frameInfo
- Publication number
- EP1781849A1 EP1781849A1 EP05763631A EP05763631A EP1781849A1 EP 1781849 A1 EP1781849 A1 EP 1781849A1 EP 05763631 A EP05763631 A EP 05763631A EP 05763631 A EP05763631 A EP 05763631A EP 1781849 A1 EP1781849 A1 EP 1781849A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- yarn
- changing
- computer
- spinning machine
- ring spinning
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
- D01H1/24—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles
- D01H1/26—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles with two or more speeds; with variable-speed arrangements
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/32—Regulating or varying draft
- D01H5/36—Regulating or varying draft according to a pre-arranged pattern, e.g. to produce slubs
Definitions
- the invention relates to methods and devices for the production of Effelctgarn with adjustable changing Gamfech and / or with adjustable changing Garnwindung and means for implementing these methods on a ring spinning machine.
- the invention was accordingly the object of a possibility for easy
- the computer can be given the parameters of these thick places as their thickness, their length and their mutual distance. In order that these thick places do not increase the overall fineness of the generated game resulting from the original and the set delay, the computer determines for the thin places, thus for the yarn sections between the thick places, the - lower - fineness by which the total fineness of the game including the Thick spots again corresponds to the starting yarn. It therefore increases the delay in the area of the thin points and thus keeps the production at the originally set value.
- the computer is designed so that it also controls the control members acted upon by it so that the rotation in the yarn can be changed adjustable. The change of rotation can be done alone. It can be achieved by changing the speed of the spindles. However, since this change is very slow due to the large mass of the moving spindles, it is preferably provided to achieve the change in rotation by changing the delivery of the drafting.
- the respective intended rotation changes can be given to the computer. However, it is preferably provided to give up the computer, to calculate the rotation changes as a function of the mass changes and to pass them on as control signals that the rotation coefficient of the yarn, the so-called alpha value, remains constant.
- the ring spinning machine provided for carrying out the method has a device for automatically changing the delay.
- the output rollers on the one hand and the input and center rollers on the other hand have separate drives.
- the input and center rollers or the output roller for this purpose have a variable-speed drive, in particular in the form of frequency-controlled drive motors, which can be acted upon by a control device with a supply current adjustable frequency.
- the ring spinning machine is equipped with variable speed drive of the drafting system.
- the computer In order to achieve a random distribution of the mass changes and / or the rotation changes, it is preferably provided to underlay the computer a random number generator online. In this case, the computer is only given limit values of the mass changes within which the random number generator then generates random values.
- Fig. 1 is the schematic hierarchy of the system components
- Fig. 2 is a fineness diagram of a yarn with mass changes
- Fig. 3 is a fineness and rotation diagram of a yarn with mass
- a higher-level computer 1 contains a communication field 2, via which it is possible to communicate with the computer. It basically contains a keypad for entering data and commands, as well as a screen displaying the set values. Its important fields in the present case are shown in Tables 1 and 2 below.
- the computer a random number generator 3 be backed online. This avoids having to create and store a large number of sequences of randomly selected control steps. Within random limits, the random generator automatically creates new, random control signals to downstream control devices.
- the computer 1 is supplied with control signals via a line 4, a first downstream control device 5, which in turn applied via line 6, an actuator 7 for driving a motor 8 for driving input and middle sub-rollers 9 of a drafting system of a ring spinning machine. Via a second line 10, an actuator 11th controlled, which acts on a motor 12 of an output sub-roller 13 of the drafting system.
- the drives are here symbolized by only one motor 8 and 12, but it is understood that the drives can also include multiple motors.
- the computer 1 acts on a second control device 15 which controls at least one drive motor 17 via an actuator 16 for driven by means of a tangential belt 18, indicated by dotted lines spindles 19.
- the actuators 7, 11 and 16 preferably include frequency converters that allow the variable-speed drive of the motors 8, 12 and 17.
- the Variation program has two steps, the first of which, in a length range between 40 mm (length 1) and 451 mm (length 2), should be 100% fineness and 100% rotation: In the thinnest part of step 1, there is no Change in fineness provided. In step 2, the fineness is to be increased to 180% in a length range of 40 mm and 50 mm, ie a thick point is to be generated, while the rotation should remain unchanged.
- the random number generator 3 in the computer 1 selects for the step 1 in the specified length range between 40 mm and 451 mm and for the step 2 in the specified length range between 40 mm and 50 mm random lengths and gives them to the computer in front. This calculates from these lengths and the intended increase in mass in step 2 the fineness in the thin point to Nm 13.4 and in the thick point to Nm 7.4. Based on these values, the computer 1 acts in step 1, the control device 5 with corresponding signals. This controls the actuator 7 so that it reduces the rotational speed of the motor 8 of the input and center rollers 9 such that the thin-point fineness of Nm 11.9 is increased to Nm 13.4.
- the computer 1 After passing through the intended thin-spot length, the computer 1 acts on the control device 5 so that it increases the speed of the input and center rollers 9 for the intended length of the mass increase via the actuator 7, that the delay in the drafting system for outputting the fineness Nm 7.44 and thus reducing the production of a thick spot.
- the change of steps and 2 is repeated continuously, with the random number generator generating a different length each time.
- the computer 1 is also able to calculate the number of generated effects per meter and to display in the header.
- the thickness of such a generated game is shown schematically dar ⁇ .
- the dashed line 20 represents the predetermined fineness of Nm 11.9. From the values entered, the computer calculates 1 thick points 21 of random length and random mutual distance between the selected limits and - in this case - the same mass change to Nm 7.4. The average fineness of the produced yarn of Nm 11,9 remains at the level of the line 20 - the areas above and below this line are the same. In the thin areas, the fineness is reduced to Nm 13.4.
- Steps are entered that the impression of periodicity is avoided.
- the number of steps to be programmed can be up to forty.
- the number of stored articles may be, for example, ten or even higher. Table 2
- both the fineness and the twist are changed for a yarn of nominal values Nm 14.5 and 420 T / m. Since a changed rotation is distributed over the yarn length between the drafting equipment outlet and the spindle, the rotation and thus also the gammage can only be changed in small steps.
- step 1 the length of the thin spot is set between 120 mm and 450 mm - the random number generator selects a thin spot length in this area.
- step 2 in a range between 100 mm and 120 mm, the fineness is increased to 140% and the rotation is reduced to 84%, starting from the nominal Nm and the nominal rotation.
- step 3 in the same length range, the fineness is increased to 170% and the rotation is reduced to 76%.
- Step 4 represents the actual thick point in a length range of 220 mm and 380 mm with an increase in the fineness to 190% and a turning of the rotation to 72%.
- steps 5 and 6 the increase in mass increase is symmetrical to the thin point of the Step 1 led back. The sequence of steps repeats itself.
- such a yarn is shown schematically.
- the dashed line 23 in the upper fineness characteristic again represents the starting and final fineness of the yarn produced with Nm 14.5.
- the mass increase 24 'and thus the reduction in twist 25 of the thick spot is so small that the rotation reduction according to the lower rotation Characteristic can be done in one stage.
- the Twist reduction 25 "at the thick place 24" so high that it must be done in several stages - here in three stages.
- Step 2 Nm 15.5 / 425 T / m -> Alpha 108
- Step 3 Nm 12,7 / 385 T / m -> Alpha 108
- Step 4 Nm 11,4 / 364 T / m -> Alpha 108
- Step 5 Nm 12,7 / 385 T / m -> Alpha 108
- Step 6 Nm 15,5 / 425 T / m -> Alpha 108
- control devices 5 and 15 are equipped with input devices, by means of their distortion and rotation can be adjusted manually.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410041096 DE102004041096B4 (en) | 2004-08-24 | 2004-08-24 | Method and device for producing effect yarn on a ring spinning machine |
PCT/EP2005/008350 WO2006021292A1 (en) | 2004-08-24 | 2005-08-02 | Method and device for producing fancy yarn on a ring-spinning frame |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1781849A1 true EP1781849A1 (en) | 2007-05-09 |
EP1781849B1 EP1781849B1 (en) | 2013-05-29 |
Family
ID=35057017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05763631.8A Active EP1781849B1 (en) | 2004-08-24 | 2005-08-02 | Method and device for producing fancy yarn on a ring-spinning frame |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1781849B1 (en) |
JP (1) | JP4653171B2 (en) |
CN (1) | CN100564625C (en) |
DE (1) | DE102004041096B4 (en) |
ES (1) | ES2410830T3 (en) |
WO (1) | WO2006021292A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1400663B1 (en) * | 2010-06-30 | 2013-06-28 | Marzoli Spa | SYSTEM OF OPERATION AND PROGRAMMING OF A RING THREAD |
JP5370463B2 (en) * | 2011-11-07 | 2013-12-18 | 株式会社豊田自動織機 | Special yarn manufacturing method |
CN107190392A (en) * | 2017-06-28 | 2017-09-22 | 合肥岸鲁意科技有限公司 | A kind of looping slub process units |
CN108977951B (en) * | 2018-07-26 | 2020-09-08 | 南通大学 | Automatic design method of process suitable for various spinning equipment and any processing flow |
CN112267189A (en) * | 2020-09-15 | 2021-01-26 | 鲁泰纺织股份有限公司 | Yarn capable of generating dark stripe effect and spinning method thereof |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60146017A (en) * | 1984-01-05 | 1985-08-01 | Osaka Kiko Co Ltd | Apparatus for producing slub yarn |
JPH0663140B2 (en) * | 1984-07-19 | 1994-08-17 | 豊和工業株式会社 | Spinning equipment |
JPS61124628A (en) * | 1984-11-19 | 1986-06-12 | Mitsubishi Rayon Co Ltd | Production of slub yarn |
JPH0663148B2 (en) * | 1985-04-19 | 1994-08-17 | 豊和工業株式会社 | Special yarn manufacturing equipment |
JPS62162036A (en) * | 1986-01-13 | 1987-07-17 | 東レ株式会社 | Special spun yarn and its production |
JPS62199821A (en) * | 1986-02-25 | 1987-09-03 | Toyoda Autom Loom Works Ltd | Apparatus for producing specialty yarn |
DE4041301A1 (en) * | 1990-12-21 | 1992-06-25 | Amsler Iro Ag | Effect yarn spinner - has separate drives for drawing cylinders with program control for rapid design change |
JP2860443B2 (en) * | 1994-02-14 | 1999-02-24 | 日清紡績株式会社 | Spinning method and spinning machine |
JP3124740B2 (en) * | 1997-06-06 | 2001-01-15 | 倉敷紡績株式会社 | Spinning method |
JP3422483B2 (en) * | 2000-04-13 | 2003-06-30 | 雅男 山下 | Method and apparatus for manufacturing twisted decorative yarn and twisted decorative yarn |
EP1413655A1 (en) * | 2002-10-25 | 2004-04-28 | Marzoli S.p.A. | Apparatus and method for driving a textile machine, in particular a ring spinning machine |
CN2608525Y (en) * | 2002-12-24 | 2004-03-31 | 明大企业股份有限公司 | Fancy yarn twisting device |
-
2004
- 2004-08-24 DE DE200410041096 patent/DE102004041096B4/en not_active Expired - Fee Related
-
2005
- 2005-08-02 WO PCT/EP2005/008350 patent/WO2006021292A1/en active Application Filing
- 2005-08-02 CN CNB200580028283XA patent/CN100564625C/en active Active
- 2005-08-02 JP JP2007528649A patent/JP4653171B2/en active Active
- 2005-08-02 EP EP05763631.8A patent/EP1781849B1/en active Active
- 2005-08-02 ES ES05763631T patent/ES2410830T3/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2006021292A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN100564625C (en) | 2009-12-02 |
WO2006021292A1 (en) | 2006-03-02 |
DE102004041096B4 (en) | 2007-03-29 |
EP1781849B1 (en) | 2013-05-29 |
JP2008510895A (en) | 2008-04-10 |
DE102004041096A1 (en) | 2006-03-30 |
CN101006216A (en) | 2007-07-25 |
JP4653171B2 (en) | 2011-03-16 |
ES2410830T3 (en) | 2013-07-03 |
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