EP0926286A2 - Verfahren zur Herstellung eines Gestricks auf einer Flachstrickmaschine - Google Patents
Verfahren zur Herstellung eines Gestricks auf einer Flachstrickmaschine Download PDFInfo
- Publication number
- EP0926286A2 EP0926286A2 EP98118629A EP98118629A EP0926286A2 EP 0926286 A2 EP0926286 A2 EP 0926286A2 EP 98118629 A EP98118629 A EP 98118629A EP 98118629 A EP98118629 A EP 98118629A EP 0926286 A2 EP0926286 A2 EP 0926286A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- knitting
- speed
- carriage
- row
- needles
- 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
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Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/94—Driving-gear not otherwise provided for
- D04B15/96—Driving-gear not otherwise provided for in flat-bed knitting machines
Definitions
- the invention relates to a method for producing a knitted fabric on a flat knitting machine with a sled at least one lock system that tracks the movements of the needles according to a sample program for the knitted fabric to be manufactured controls.
- the present invention proposes a method of type mentioned above, characterized in accordance with the invention is that the sled speed is within a course of knitting depending on the individual Needles or needle groups generated types of patterns as well as from the Properties of the knitting thread or threads used all the time is regulated so that the carriage at any point of the Knitting row moves with the highest possible speed which ensures that no knitting thread breaks.
- the highest possible speed of the sled in one certain section of a knitting course is of the material type of the knitting thread and depending on how the knitting thread of the knitting needles are processed, i.e.
- the sled speed is therefore information about the type of knitting thread and sample data from which you can see which knitting needles which structures from the Form knitting thread. From the data about the one or more used Knitting threads can have a thread-specific maximum speed determine. It also becomes the largest possible Acceleration jerk calculated for the thread. From the sample data it is then determined at which points within the Knitting row reduces the thread-specific maximum speed must become.
- the sled can move at speeds in these sections be moved up to that according to its drive device possible maximum speed can suffice because no forces on the knitting thread in these sections be exercised. This is a further increase in production speed of the knitted fabric possible.
- the carriage speed at points of a row of knitting be reduced to which the slide is a mechanical Circuit must be carried out on an additional unit.
- Such one Additional unit can, for example, a decker device be, the movement of which is controlled by curves on the sled becomes. The area of reduced speed as well as the amount of deceleration is by determined the sample data.
- the method according to the invention ensures a great deal more rational production, because the carriage speed always that allowed for a faultless production of the knitted fabric Assumes maximum value.
- the row of knitting is no longer formed with the sled speed based on the most critical case in the knitting course.
- the invention also includes a flat knitting machine for performing of a method according to one of claims 1 to 3 with a sled with at least one lock system that the Movements of the needles according to a sample program for controls the knitted fabric to be manufactured, and with a control device, which the drive unit of the carriage according to the Parameters of the knitting thread or threads used and the patterns created by the individual needles or groups of needles activated during the formation of a knitting course.
- the control device expediently with a sample program memory connected to the machine.
- a drawing according to the invention is described below with reference to the drawing Process for producing a knitted fabric on a flat knitting machine based on the speed diagrams of the Carriage described a flat knitting machine.
- Fig. 1 shows the course of a carriage speed Vs over a row of knits of a knitted fabric with the width B according to a manufacturing method according to the prior art.
- the row of knits is formed from the same knitting thread in the entire width B of the knitted fabric.
- Vs max denotes the maximum speed of the carriage depending on the material of the knitting thread, if all needles form stitches of normal size.
- the actual maximum speed Vs tat shown by the solid line is , however, lower than the maximum speed Vs max , since the knitted fabric has a section in at least one point within which the needles exert such great forces on the knitting thread that a speed reduction is necessary, to avoid tearing the knitting thread.
- FIG. 2 shows a first profile of the speed Vs of a carriage in a manufacturing method according to the invention.
- the entire row of knits of width B is formed by a knitting thread which is fed with a thread guide FF1.
- the direction of knitting is again indicated by an arrow 10.
- the carriage In a starting area A of the knitting course, the carriage is accelerated from the knitted edge.
- the acceleration in a section 11 of the curve of the speed Vs is lower than later, as a result of which the acceleration jerk on the knitting thread is reduced.
- the knitting course has a first section S 1 , in which all needles form stitches of normal size, so that here the carriage can be moved with its maximum possible speed Vs max .
- section S 5 all needles of normal size are knitted again so that the carriage can be accelerated again to the maximum speed Vs max .
- section S 6 stitches are transferred from one needle bed to the other needle bed, which also requires a lowering of the carriage speed Vs before the carriage in the last section S 7 , in which all needles knit normal-sized stitches again, on the Maximum speed Vs max is accelerated.
- section E towards the end of the row of knits, the carriage is decelerated to a complete standstill before the direction of carriage 10 is reversed, the delay being increased again in an area 12 shortly before reaching standstill, so that the knitting thread that passes from the edge stitch to the thread guide FF1 runs, has the lowest possible tension and thus does not narrow the edge stitch.
- FIG. 3 shows a further example of a speed profile Vs of a carriage over a row of knitting of width B.
- This row of knitting is formed by three different knitting threads made of different materials M1, M2 and M3.
- the first knitting thread of material M1 knits in the first section S 1 , the knitting thread with material M2 in the second section S 2 and the third knitting thread made of material M3 in the third section S 3 .
- Due to the different materials M1 to M3 of the knitting threads there are also three different maximum speeds VsM1 max , VsM2 max , VsM3 max of the carriage, with which the carriage can move before the respective thread breaks, provided the needles form stitches of normal size.
- the start and end sections A, E are identical to those shown in FIG. 2.
- section S 1 stitches of normal size are formed by the first thread, which is why the carriage is accelerated to the associated maximum speed VsM1 max .
- section S 2 the more robust second knitting yarn is knitted with the material M2, so that the carriage can be accelerated to the higher maximum speed VsM2 max (Bs2).
- section S 3 the third knitting thread is knitted with the material M3, whereby only stitches of normal size are also produced, so that the carriage is now set to the permissible maximum speed for the third thread VsM3 max .
- the material M1 of the first knitting thread could for example be a mohair thread, the material M2 an acrylic mixture and the material M3 for example new wool.
- FIG. 4 shows a speed curve Vs of a carriage over a row of knitting which is formed in the three sections S 1 , S 2 and S 3 with the same threads of different materials M1, M2 and M3 as the row of knitting in FIG. 3.
- the sections S 1 and S 2 there are now needle areas S 1 and S 2 , in which either larger stitches are formed by the respective knitting threads or stitches are transferred to the opposite needle bed.
- a reduction in the carriage speed is therefore necessary, as FIG. 4 clearly shows.
- section S 3 normal-sized stitches are again formed from all needles. So here the carriage can maintain its maximum speed up to the end section E.
- FIG. 5 shows the example of a speed profile Vs of a carriage when moving over a knitted fabric of width B, but no stitches are formed. However, there is a section S 2 in the central area of the knitted fabric in which stitches are transferred into the opposite needle bed. In the other two areas S 1 and S 3 , however, there are no needle movements. Therefore, the carriage in the initial area A, which is very short, can be accelerated to the maximum possible speed VsH of its drive device. He maintains this speed until shortly before reaching section S 2 , where he is braked in an area Vz max , so that the stitch transfer in area S 2 can be carried out safely.
- the carriage is then accelerated again in the area Bs max to the maximum permissible speed VsH and is only braked again to a standstill in the end area E before the carriage direction 10 reverses. Should it make sense for certain reasons not to move the sled at maximum speed in the areas S 1 and S 3 , then of course all possible speeds below VsH can be selected.
- FIG. 6 shows a profile of a carriage speed Vs over a knitted fabric of width B, the knitted row shown being formed continuously with a knitting thread.
- the knitting course has several different sections S 1 to S 7 , with stitches of normal size being formed in each of the sections S 1 , S 3 , S 5 , S 7 , so that in these areas the carriage moves to its maximum permissible speed from the thread material can be brought.
- section S 2 enlarged stitches are formed, so the knitting thread is subjected to greater stress, so that the speed of the sled must be reduced in this area.
- section S 4 the slide performs a mechanical switching function. To do this, the carriage speed must be reduced in accordance with the kinematic concerns of the switched apparatus.
- This apparatus can, for example, be a decker device, the movement of which is controlled by curves on the carriage.
- section S 6 there is a stitch transfer from one needle bed to the other, so that here again the carriage speed must be reduced compared to the maximum speed applicable in sections S 5 and S 7 .
- the areas Vz2, Vz4 and Vz6 respectively indicate areas in which the slide is braked, while the areas Bs3, Bs5 and Bs7 are areas in which the slide is accelerated to its maximum speed permitted according to the thread material.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
Description
- Fig. 1
- einen Schlittengeschwindigkeitsverlauf über eine Strickreihe nach dem Stand der Technik;
- Fig. 2
- einen ersten Schlittengeschwindigkeitsverlauf über eine Gestrickreihe eines Gestricks;
- Fig. 3
- einen zweiten Schlittengeschwindigkeitsverlauf über eine Strickreihe eines Gestricks;
- Fig. 4
- einen dritten Schlittengeschwindigkeitsverlauf über eine Strickreihe eines Gestricks;
- Fig. 5
- einen vierten Schlittengeschwindigkeitsverlauf über eine Strickreihe eines Gestricks;
- Fig. 6
- einen fünften Schlittengeschwindigkeitsverlauf über eine Strickreihe eines Gestricks.
Claims (5)
- Verfahren zur Herstellung eines Gestricks auf einer Flachstrickmaschine mit einem Schlitten mit mindestens einem Schloßsystem, das die Bewegungen der Nadeln entsprechend eines Musterprogramms für das zu fertigende Gestrick steuert, dadurch gekennzeichnet, daß die Schlittengeschwindigkeit (Vs) innerhalb einer Strickreihe in Abhängigkeit von den von den einzelnen Nadeln oder Nadelgruppen erzeugten Musterarten sowie von den Eigenschaften des oder der verwendeten Strickfäden ständig derart geregelt wird, daß der Schlitten an jeder Stelle der Strickreihe mit der höchstmöglichen Geschwindigkeit bewegt wird, bei der gewährleistet ist, daß kein Strickfaden reißt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der Schlitten in Sektionen (S1, S3) innerhalb des Gestricks, in denen keine Nadelbewegungen erforderlich sind, mit Geschwindigkeiten bewegt wird, die bis zu der gemäß seiner Antriebseinrichtung möglichen Höchstgeschwindigkeit (VsH) reichen können.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Schlittengeschwindigkeit (Vs) an den Stellen einer Strickreihe reduziert wird, an denen der Schlitten eine mechanische Schaltung an einem Zusatzaggregat vornehmen muß.
- Flachstrickmaschine zur Durchführung eines Verfahrens nach einem der Ansprüche 1 bis 3 mit einem Schlitten mit mindestens einem Schloßsystem, das die Bewegungen der Nadeln entsprechend eines Musterprogramms für das zu fertigende Gestrick steuert, und mit einer Steuereinrichtung, die die Antriebseinheit des Schlittens gemäß den Parametern des oder der verwendeten Strickfäden sowie der durch die einzelnen Nadeln oder Nadelgruppen erzeugten Musterarten während der Bildung einer Strickreihe ansteuert.
- Flachstrickmaschine nach Anspruch 4, dadurch gekennzeichnet, daß die Steuereinrichtung mit einem Musterprogrammspeicher der Maschine verbunden ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19756055A DE19756055A1 (de) | 1997-12-17 | 1997-12-17 | Verfahren zur Herstellung eines Gestricks auf einer Flachstrickmaschine |
DE19756055 | 1997-12-17 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0926286A2 true EP0926286A2 (de) | 1999-06-30 |
EP0926286A3 EP0926286A3 (de) | 2000-05-24 |
EP0926286B1 EP0926286B1 (de) | 2003-12-10 |
Family
ID=7852215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98118629A Expired - Lifetime EP0926286B1 (de) | 1997-12-17 | 1998-10-01 | Verfahren zur Herstellung eines Gestricks auf einer Flachstrickmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US6105397A (de) |
EP (1) | EP0926286B1 (de) |
JP (1) | JP3092005B2 (de) |
DE (2) | DE19756055A1 (de) |
ES (1) | ES2207777T3 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4366312B2 (ja) * | 2004-12-27 | 2009-11-18 | 株式会社島精機製作所 | 度目調整機能付きの横編機と、編成方法、及び編成プログラム |
KR101387956B1 (ko) * | 2006-06-27 | 2014-04-22 | 가부시키가이샤 시마세이키 세이사쿠쇼 | 횡편기 |
JP5079298B2 (ja) * | 2006-10-11 | 2012-11-21 | 株式会社島精機製作所 | 横編機 |
WO2008078414A1 (ja) * | 2006-12-25 | 2008-07-03 | Shima Seiki Mfg., Ltd. | 筒状編地の編成方法および横編機 |
WO2009116419A1 (ja) * | 2008-03-18 | 2009-09-24 | 株式会社島精機製作所 | 横編機及び横編機のラッキングを用いた編成方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB639118A (en) * | 1946-03-14 | 1950-06-21 | Lancashire Dynamo And Crypto L | Improvements in and relating to driving apparatus for straight bar knitting machines |
US3469418A (en) * | 1966-12-29 | 1969-09-30 | Gardinen U Dekowerke Zwickau V | Apparatus for the regulation of knitting machines |
GB2195360A (en) * | 1986-09-10 | 1988-04-07 | Stoll & Co H | Apparatus for controlling a flat knitting machine |
EP0276383A2 (de) * | 1987-01-24 | 1988-08-03 | H. Stoll GmbH & Co. | Flachstrickmaschine mit Datenverarbeitungseinrichtung |
GB2201167A (en) * | 1987-02-18 | 1988-08-24 | Stoll & Co H | Controlling flat knitting machine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2658588C3 (de) * | 1976-12-23 | 1980-09-18 | Universal-Maschinenfabrik Dr. Rudolf Schieber Gmbh & Co Kg, 7081 Westhausen | Einrichtung zur drahtlosen Datenübertragung an Flachstrickmaschinen |
EP0147139B1 (de) * | 1983-12-19 | 1988-08-10 | Watanabe Kutsushita Kogyo Co., Ltd. | Jacquard-Rundstrickmaschine |
DE3630828A1 (de) * | 1986-09-10 | 1988-03-24 | Stoll & Co H | Einrichtung zum darstellen und aufbereiten von mittels einer flachstrickmaschine herzustellenden strickmustern |
US5014524A (en) * | 1989-08-23 | 1991-05-14 | Adrian Smilovici | Flat bed knitting machine having plural carriages |
JPH08127948A (ja) * | 1994-10-31 | 1996-05-21 | Shima Seiki Mfg Ltd | 編機のキャリアの制御方法とその装置 |
JP2981175B2 (ja) * | 1996-07-26 | 1999-11-22 | 津田駒工業株式会社 | 編機のモータ制御方法および装置 |
-
1997
- 1997-12-17 DE DE19756055A patent/DE19756055A1/de not_active Withdrawn
-
1998
- 1998-10-01 DE DE59810396T patent/DE59810396D1/de not_active Expired - Fee Related
- 1998-10-01 EP EP98118629A patent/EP0926286B1/de not_active Expired - Lifetime
- 1998-10-01 ES ES98118629T patent/ES2207777T3/es not_active Expired - Lifetime
- 1998-12-04 US US09/205,553 patent/US6105397A/en not_active Expired - Fee Related
- 1998-12-16 JP JP10377916A patent/JP3092005B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB639118A (en) * | 1946-03-14 | 1950-06-21 | Lancashire Dynamo And Crypto L | Improvements in and relating to driving apparatus for straight bar knitting machines |
US3469418A (en) * | 1966-12-29 | 1969-09-30 | Gardinen U Dekowerke Zwickau V | Apparatus for the regulation of knitting machines |
GB2195360A (en) * | 1986-09-10 | 1988-04-07 | Stoll & Co H | Apparatus for controlling a flat knitting machine |
EP0276383A2 (de) * | 1987-01-24 | 1988-08-03 | H. Stoll GmbH & Co. | Flachstrickmaschine mit Datenverarbeitungseinrichtung |
GB2201167A (en) * | 1987-02-18 | 1988-08-24 | Stoll & Co H | Controlling flat knitting machine |
Also Published As
Publication number | Publication date |
---|---|
JPH11269743A (ja) | 1999-10-05 |
DE19756055A1 (de) | 1999-06-24 |
EP0926286A3 (de) | 2000-05-24 |
EP0926286B1 (de) | 2003-12-10 |
DE59810396D1 (de) | 2004-01-22 |
ES2207777T3 (es) | 2004-06-01 |
JP3092005B2 (ja) | 2000-09-25 |
US6105397A (en) | 2000-08-22 |
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