Summary of the invention
The purpose of the present invention is providing a kind of production method of blended Air Vortex Spun Yarn of health care, using cotton fiber and polyester fiber,
The different mixing of the preceding working procedure of apocynum fibre, and vortex spinning spinning frame is used in spinning process, to realize blended sliver
Directly processing obtains the cylinder yarn of large package, to realize the efficient production of high-quality mixing Air Vortex Spun Yarn with health care function.
In order to achieve the above object, The technical solution adopted by the invention is as follows: a kind of producer of the blended Air Vortex Spun Yarn of health care
Method, health-care blended yarn include machine pick cotton fiber, long-staple cotton fiber, polyester staple fiber, apocynum fibre, wherein machine pick cotton fiber,
Long-staple cotton fiber, polyester staple fiber, apocynum fibre in mixed yarn with lesser transfering state and lesser twisting states into
Row is mutually entwined, so that four kinds of fibers form the aggregate with rock-steady structure, since fiber is in mixed yarn
It shifts small, so that the twist of yarn is small, then makes yarn more soft and strength is low, while making fiber in mixed yarn
It is interior with or more stretch or part curved state completely exists so that fiber head end stretches out the general of mixed yarn surface
Rate substantially reduces, so that the surface of mixed yarn is relatively smooth, specifically includes the following steps:
Step 1: being 3.6 by average grade, Xinjiang Long staple cotton fiber that average length is 36.8mm is through the first Blowing carding process system
Long wool sliver, by average length be 29.11-30.15mm, grade control 1.9-2.1, mic value 3.7-4.8 beauty
Cotton, Australia cotton, Xinjiang cotton machine adopt mixing cotton through the first opening and cleaning step, the first carding step be made machine adopt mixing sliver, will grow
It is pre- and process is mixed to get mixing sliver through first that suede sliver and machine adopt mixing sliver, wherein first pre- and process uses 5 items
Son feeding, including 3 root long suede slivers and 2 machines adopt mixing sliver, and long wool sliver and machine adopt mixing sliver and be staggered feeding,
5 are followed successively by long wool sliver with strip, machine adopts mixing sliver, long wool sliver, machine and adopts mixing sliver, long wool sliver, will mix sliver
Successively through first and rolls up process and the first combing process mixing cotton yarn is made;
Step 2: carrying out bored fiber crops pretreatment after apocynum fibre is squirted by 2% grease and 10% water of bluish dogbane quality, will pass through
Pretreated apocynum fibre and first step mixing cotton yarn obtained are according to the required manual garnetting descendant of ratio progress
Work mixes, and wherein ratio shared by apocynum fibre is less than 50%, and fiber after mixing is successively through the second opening and cleaning step, the
Two carding steps, the second combing process are made bluish dogbane/cotton and mix yarn;
Step 3: by fiber number fineness 1.12dtex, average length 37.4mm, breaking strength 5.97cN/dtex, elongation at break
The polyester fiber that the lot number that 26.9% Yizheng generates is 21k and fiber number fineness 1.13dtex, average length 36.8mm, fracture are strong
The polyester fiber that the lot number for spending the Yizheng generation of 5.62cN/dtex, elongation at break 19.1% is 31k is according to the ratio of 1:7 through grabbing
Cotton process carries out the mixing of cotton packet, by mixed polyester fiber successively through cotton cleaning process, third carding step, the second pre- and process
Terylene item is made;
Step 4: bluish dogbane/cotton made from mixing cotton yarn made from the first step, second step is mixed yarn, third step
Cotton/bluish dogbane/terylene blended sliver is made through mixing in doubling step in terylene item obtained, and wherein mixing in doubling step uses three draftings, including
Slubbing drafting, two draftings, extreme trace drafting, wherein slubbing drafting is fed using 8 one threads, and 8 one threads are followed successively by bluish dogbane/cotton
It mixes yarn, mixing cotton yarn, terylene item, bluish dogbane/cotton mixing yarn, terylene item, bluish dogbane/cotton and mixes combing
Item, mixing cotton yarn, terylene item, two draftings are used using the feeding of blended sliver obtained by 6 slubbing draftings, extreme trace drafting
Cotton/bluish dogbane/terylene blended sliver obtained is directly made the feeding of blended sliver obtained by 6 two draftings through spinning process
The cylinder yarn of large package, wherein spinning process uses 870 vortex spinning spinning frames.
Further perfect technical solution is as follows for present invention process:
FA009 reciprocation bale plucker → FA125 weight seperator → FA105A single axial stream is successively selected in preferred first Blowing carding
Opener → FA029 multi-mixer → FA116 scutcher → FA179B hopper → FA203A type carding machine, FA009 are reciprocating
According to the principle of select content in griping cotton machine, it is ensured that griping cotton machine grab cotton hired roughneck's blade per tooth grab the grasp less than normal of cotton amount, specifically
Technological parameter are as follows: level run speed 19m/min, grab between cotton hired roughneck's revolving speed 1050rpm, blade stretching rib distance 3mm, hired roughneck
It has a rest dropping distance 1mm/ times;By the suction of condenser in FA105A Single axial waste silk opener, the raw material that automatic plucker is grabbed
Feeding, mixed, height shredding, removal of impurities processing, impurities removing efficiency it is higher, specific process parameter are as follows: hired roughneck's form be brad hired roughneck,
Hired roughneck's diameter 750mm, hired roughneck's revolving speed 600r/min, dirt stick established angle are followed successively by 18 °, 15 °, 10 °, 10 °, leather flap roller diameter
370mm, leather flap roller revolving speed 15.9r/min, dirt stick radical 64, hired roughneck-dirt stick gauge are respectively 10mm, 15mm, dirt stick-dirt
Stick gauge is respectively 8mm, 10mm, roller-hired roughneck's gauge 40mm, hired roughneck-stripping knife gauge 2.5mm;FA029 multi-mixer
In under airflow function, the raw material fed is equably blown into each cotton storehouse, is formed air-flow and is mixed, each storehouse Soft flocks are through 90 degree
Turning conveying, is mixed, excess fibre is thrown into mixed cotton room, reaches careful mixing, concrete technology again using its path length difference
Parameter are as follows: brad curtain speed 480-800m/min, conveying tape speed 6.26-10.29m/min, evener roller revolving speed 726r/min,
Pattern doffing roller revolving speed 412r/min;To the further shredding of cotton, removal of impurities in FA116 scutcher, combing roller increases frequency control
Range, cooperation mote knife, the adjustment of combing plate gauge, is adapted to the different processing containing miscellaneous cotton, it is not necessary to increase other openers and remove
Miscellaneous facility, can carry out more careful shredding to raw cotton, remove more tiny impurity as far as possible, and be made and meet a set pattern
Lattice, requirement cotton flow, used for cotton carding, specific process parameter are as follows: upper and lower feed roll motor speed is turned using frequency control, plucker roller
Fast 981.5r/min, combing roller revolving speed are using frequency control, acceleration roller-mote knife gauge 0.8mm, acceleration roller-pressure swab stick gauge
3mm, accelerate roller-combing roller gauge 0.6mm, combing roller and one, two, three mote knife gauges to be respectively 0.7mm, 0.7mm, 0.8mm,
Combing roller and a combing plate entrance and exit gauge be respectively 2.5mm, 4.0mm, combing roller and two combing plate entrance and exits every
Away from respectively 1.5mm, 4.0mm;Since long-staple cotton fiber length is long in FA203A type carding machine, uniformity is preferable, can suitably drop
Low linters rate, simultaneously because fibre maturity is good, fiber strength is excellent, but short flannel and containing miscellaneous slightly higher, can properly increase and turn
Speed, to improve yield, specific process parameter are as follows: weight of card sliver Dry Weight per Unit 17.07g/5m, wet quantitative 18.26g/5m, thorn rod revolving speed
900r/min, cylinder revolving speed 400r/min, cover board revolving speed 181mm/min, doffing speed 80r/min;
First is pre- and process in, using SB2 type drawing frame, fed using 5 one threads, including 3 root long suede slivers and 2 machines adopt it is mixed
Sliver is closed, and long wool sliver and machine adopt mixing sliver and be staggered feeding, specific process parameter are as follows: pre-drawing Dry Weight per Unit
20.02g/5m, wet quantitative 21.42g/5m, mechanical 4.306 times of total draft, 4.263 times of practical total draft, drafting system are 3/3 pressure
Power stick adds guiding top roller curve drawing;
It first and rolls up in process and provides and stretch for combing machine as the preparatory process of combing using E32 type draw frame and lap machine combined
The depth of parallelism is good, it is quantitative it is accurate, winding is close, neat in edge, vertically and horizontally uniformly, not viscous volume, big fiber rouleau is wrapped, using idol
Several Comb preparation procedure can make most of fiber in combing rouleau that preceding hook solid state be presented, quantify heavier, energy using rouleau
Improve combing machine yield and quality, specific process parameter are as follows: combing rouleau Dry Weight per Unit 64.65g/m, wet quantitative 69.18g/m, lead
Stretched form is 3/3 drawing-off Pneumatic Pressure, mechanical total draft 1.514, practical total draft 1.499,1.467 times of primary area drawing-off, back zone
1.032 times of drawing-off, coiled speed 105m/min, roller pedestal gauge distinguish 8mm and 12mm, primary area drawing-off gauge 42mm, back zone
Drawing-off gauge 45mm;
E62 type combing machine is used in first combing, for removing the staple fiber below of 16mm in cotton roll, remove cotton knot, impurity and
Fibre defect improves the extended parallelization and uniformity of the miscellaneous middle fiber of cotton, makes have necessary cohesive force between fiber, has yarn
Glossy good, the high characteristic of strength improves yarn quality, spinning suiting high grade cotton yarn, special industrial yarn and blending product yarn, combing
Dry Weight per Unit 20.88g/5m, wet quantitative 22.24g/5m, weighing draft are five lower Prass-bar draft, combined roots 8, machine on three
104.004 times of tool total draft multiple, 123.81 times of practical total draft multiple, cylinder speed 255 clamp secondary/min, sliver exporting speed 80m/
Min, roller gauge 7mm, length 4.7mm, top comb-detaching roller 3.65mm are fed for;
It is successively coiled using FA035 type mixed cotton slitter → FA016 type opener → FA076 type singles' hand in second opening and cleaning step
Machine, it then follows the technological principle of " select content, more combs are beaten less ", FA035 type mixed cotton slitter is parallel hired roughneck's form, using moderate
Gauge between stripping hired roughneck and dirt stick, fiber, which catches a packet, to be acted on moderate, is not damaged fiber while being also able to maintain certain shredding
Effect, stripping Beater Speed is moderate, and shredding effect is preferable, while reducing the generation of the faults such as cotton knot;FA106 type is porcupine formula
Opener, using comb needle type beater arm, shredding is soft will not to lose fiber, properly increase the gauge between stripping hired roughneck's dirt stick, guarantee
Fiber stream is smoothly conveyed to lapper, reduces linters rate;FA076 type single beater scutcher improves hired roughneck using composite type hired roughneck
Revolving speed pays attention to observation hopper storage capacity during coiled, improve cotton rolling weight irregularity, and it is 12.35kg that cotton roll, which determines weight, and fan turns
Speed 1 330 r/min, 11 r/min of lap roller revolving speed;
FA201B type carding machine is used in second cotton carding, for apocynum fibre since Length Regularity is poor, short velvet fiber is more, is combing
Flat strips is more during cotton, is easy to waste raw material, therefore suitably to reduce cover board revolving speed and be conducive to reducing dial load
Reduce flat strips quantity;Increase licker-in~mote knife gauge, the apocynum fibre for preventing length shorter is removed as impurity;Contracting
Small cylinder-front knife plate gauge, is conducive to fibrous layer and is depressed by front knife plate, and fiber is easily grabbed by cylinder needle tooth, reduces cover board
Flower quantity;Gauge grasp bigger than normal when cylinder-cover board outlet, intermediate several grades can be slightly tight, in favor of a point comb;When being wrapped into,
Electric machine frequency is reduced, fibre damage is reduced;Specific process parameter are as follows: cover board revolving speed 71.9r/min, frequency 20Hz, feed plate-thorn
10 inches of roller gauge, 13 inches of licker-in-mote knife gauge, licker-in -7 inches of cylinder gauge, cylinder-Flat Gauge are respectively 10 English
Very little, 9 inches, 8 inches, 8 inches, 9 inches, cylinder -33 inches of front knife plate gauge, 26 inches of the front lower cover plate gauge of cylinder -, tin
5 inches of woods-doffer;
Terylene grabs cotton process and selects FA002A griping cotton machine, according to the principle of select content, it is ensured that griping cotton machine grabs cotton hired roughneck's blade
Per tooth grabs the grasp less than normal of cotton amount;Specific process parameter are as follows: revolving speed 720r/min, blade stretch out between rib distance 2.5mm, hired roughneck
It has a rest dropping distance 3m/ times;
Cotton cleaning process successively selects the mono- roller scutcher of FA111 → FA046 vibrating cotton box cotton feeding → FA141A singles' hand coiled
Machine, wherein FA111 type scutcher is mainly as the pre- scutcher in opening picking process, including a card wire roller, combing plate, removes
The adjustable plate of dirt knife, continuous suction inlet and adjustable noil gives cotton speed 20HZ, Beater Speed 1236r/min;FA046 vibrates cotton
Using vibrating feed box to cotton, cotton block is freely fallen case cotton feeder out of vibration case, makes the lateral density uniformity of cotton layer,
Photo-electric control guarantees the reliability and continuity of machine operation, and lateral noil frequency can be carried out by oscillating plate and amplitude is adjusted, and produces
Amount can both have been can be used and electrically distributed cotton by transformation belt wheel and cotton plate being sent to be adjusted, and air-flow also can be used and distribute cotton mode, wherein brad
Curtain speed 70m/min, equal cotton hired roughneck to brad curtain gauge 6mm, stripping Beater Speed 429r/min, evener roller speed 272r/
Min, brad curtain and stripping hired roughneck's interval distance 2mm, brad curtain and evener roller gauge 20mm;FA141A single beater scutcher is applicable in
Weight 13kg is rolled up in handling various cotton roll width 960mm, 30 ~ 80m of length, cotton rolling weight 16 ~ 30, chemical fibre, it is further to fiber
Shredding cleans and cotton roll is made, and uses for carding machine, comprehensive hired roughneck's revolving speed 900r/min, lap roller revolving speed 13r/min, beats
Hand speed 1000m/min, rotation speed of fan 1300r/min, dirt stick interval distance 5mm, hired roughneck and dirt stick import gauge 8mm, outlet every
Away from 18mm, hired roughneck to stripping knife gauge 2mm, hired roughneck to balance curved bar gauge 10mm;
Third cotton carding uses A186F high-speed carding machine, and carded sliver Dry Weight per Unit 21.48g/5m, wet quantitative 21.56g/5m, reality are always led
Stretch 88.42 times, thorn rod revolving speed 690r/min, cylinder revolving speed 360r/min, cover board 144mm/min, doffing speed 24r/min;
Second pre- and process is using FA306 drawing frame, pre-drawing Dry Weight per Unit 22.61g/5m, wet quantitative 22.8g/5m, number of doubling 8
Root, weighing draft are that Three Up Three Down pressure bar adds guiding top roller curve drawing, sliver exporting speed 190m/min;
Slubbing drafting, two draftings, extreme trace drafting are all made of FA306A type drawing frame in mixing in doubling step, and drawing-off shape form is three
Upper three lower pressure bars add guiding top roller curve drawing, strip Dry Weight per Unit 20.04g/5m, mechanical total draft in slubbing drafting
8.728 times, calender roller tension 1.02N, guide strip rack tension 1.016N, strip Dry Weight per Unit 20.06g/5m, machinery in two draftings
6.116 times of total draft, calender roller tension 1.02N, guide strip rack tension 1.016N, strip Dry Weight per Unit 17.99g/ in extreme trace drafting
5m, mechanical 6.827 times of total draft, calender roller tension 1.02N, guide strip rack tension 1.016N;
870 vortex spinning spinning frames are used in spinning process, roller gauge is respectively 41mm, 43mm, 43mm, spinning speed 370m/
Min, it batches than 0.98, feeding ratio 0.978, condensers width 2mm, nozzle exit pressure 0.53Mpa, 5 hole of nozzle.
The present invention adopts mixing cotton using machine and passes through in advance and mix with Xinjiang Long staple cotton fiber, and passes through drafting with polyester fiber
Mixing is mixed with apocynum fibre by opening picking, to realize the preceding working procedure of cotton fiber and polyester fiber, apocynum fibre
Different mixing, to be effectively improved the mixed effect of various fibers in mixing strip and effectively improve the quality of blended sliver, most
Vortex spinning spinning frame is used in spinning process afterwards, obtains the cylinder yarn of large package to realize directly to process blended sliver, thus real
The efficient production of existing high-quality mixing Air Vortex Spun Yarn with health care function.
Specific embodiment:
To produce 40SAnd the blending rate of cotton fiber, polyester staple fiber, apocynum fibre is the blended whirlpool of health care of 10:50:40
For flowing yarn, specifically includes the following steps:
(1) length is made through the first Blowing carding process in the Xinjiang Long staple cotton fiber that average grade is 3.6, average length is 36.8mm
Suede sliver, by average length be 29.11-30.15mm, grade is controlled in 1.9-2.1, mic value in the U.S. cotton of 3.7-4.8, Australia
Cotton, Xinjiang cotton machine adopt mixing cotton through the first opening and cleaning step, the first carding step be made machine adopt mixing sliver, the first Blowing carding
In successively select FA009 reciprocation bale plucker → FA125 weight seperator → more storehouse mixed cotton of FA105A Single axial waste silk opener → FA029
Machine → FA116 scutcher → FA179B hopper → FA203A type carding machine, FA009 reciprocation bale plucker level run speed 19m/
Min, cotton hired roughneck's revolving speed 1050rpm, blade stretching rib distance 3mm, hired roughneck's interval dropping distance 1mm/ times are grabbed;FA105A is uniaxial
Stream opener hired roughneck form is brad hired roughneck, hired roughneck's diameter 750mm, hired roughneck's revolving speed 600r/min, dirt stick established angle are followed successively by
18 °, 15 °, 10 °, 10 °, leather flap roller diameter 370mm, leather flap roller revolving speed 15.9r/min, dirt stick radical 64, hired roughneck-dirt stick
It is respectively 8mm, 10mm, roller-hired roughneck's gauge 40mm, hired roughneck-stripping that gauge, which is respectively 10mm, 15mm, dirt stick-dirt stick gauge,
Cotton knife gauge 2.5mm;FA029 multi-mixer brad curtain speed 480-800m/min, conveying tape speed 6.26-10.29m/
Min, evener roller revolving speed 726r/min, pattern doffing roller revolving speed 412r/min;Feed roll motor speed uses FA116 scutcher up and down
Frequency control, plucker roller revolving speed 981.5r/min, combing roller revolving speed using frequency control, accelerate roller-mote knife gauge 0.8mm,
Acceleration roller-pressure swab stick gauge 3mm, acceleration roller-combing roller gauge 0.6mm, combing roller are respectively with one, two, three mote knife gauges
0.7mm, 0.7mm, 0.8mm, combing roller and a combing plate entrance and exit gauge are respectively 2.5mm, 4.0mm, combing roller and two
Combing plate entrance and exit gauge is respectively 1.5mm, 4.0mm;FA203A type carding machine weight of card sliver Dry Weight per Unit 17.07g/5m,
Wet quantitative 18.26g/5m, thorn rod revolving speed 900r/min, cylinder revolving speed 400r/min, cover board revolving speed 181mm/min, doffing speed
80r/min;
(2) that long wool sliver and machine are adopted mixing sliver is pre- and process is mixed to get mixing sliver through first, wherein the first pre- and work
Sequence is fed using 5 one threads, including 3 root long suede slivers and 2 machines adopt mixing sliver, and long wool sliver and machine are adopted mixing sliver and handed over
Mistake arrangement feeding, 5 are followed successively by long wool sliver with strip, machine adopts mixing sliver, long wool sliver, machine and adopts mixing sliver, long wool sliver,
Mixing sliver successively through first and is rolled up process and the first combing process mixing cotton yarn is made;In first pre- simultaneously process,
Using SB2 type drawing frame, fed using 5 one threads, including 3 root long suede slivers and 2 machines adopt mixing sliver, and long wool sliver and
Machine adopts mixing sliver and is staggered feeding, pre-drawing Dry Weight per Unit 20.02g/5m, wet quantitative 21.42g/5m, machinery total draft
4.306 times, 4.263 times of practical total draft, drafting system be 3/3 pressure bar add guiding top roller curve drawing;It first and rolls up
E32 type draw frame and lap machine combined is used in process, wherein combing rouleau Dry Weight per Unit 64.65g/m, wet quantitative 69.18g/m, drawing-off shape
Formula is 3/3 drawing-off Pneumatic Pressure, mechanical total draft 1.514, practical total draft 1.499,1.467 times of primary area drawing-off, back area draft
1.032 times, coiled speed 105m/min, roller pedestal gauge difference 8mm and 12mm, primary area drawing-off gauge 42mm, back area draft
Gauge 45mm;E62 type combing machine is used in first combing, wherein yarn Dry Weight per Unit 20.88g/5m, wet quantitative 22.24g/5m,
Weighing draft is five lower Prass-bar drafts, combined roots 8, mechanical 104.004 times of total draft multiple, practical total draft times on three
123.81 times of number, cylinder speed 255 clamp secondary/min, sliver exporting speed 80m/min, roller gauge 7mm, are fed for length 4.7mm, top
Comb-detaching roller 3.65mm;
(3) bored fiber crops pretreatment is carried out after squirting apocynum fibre by 2% grease and 10% water of bluish dogbane quality, it will be by pre- place
Apocynum fibre and the first step mixing cotton yarn obtained after reason manually mixes after carrying out manual garnetting according to required ratio
With wherein ratio shared by apocynum fibre is less than 50%, and fiber after mixing is successively through the second opening and cleaning step, the second comb
Cotton process, the second combing process are made bluish dogbane/cotton and mix yarn;It is successively mixed using FA035 type in second opening and cleaning step
Opener → FA016 type opener → FA076 type single beater scutcher;FA201B type carding machine is used in second cotton carding, wherein
Cover board revolving speed 71.9r/min, frequency 20Hz, feed plate -10 inches of licker-in gauge, 13 inches of licker-in-mote knife gauge, licker-in -
7 inches of cylinder gauge, cylinder-Flat Gauge are respectively 10 inches, 9 inches, 8 inches, 8 inches, 9 inches, cylinder-front knife plate
26 inches, 5 inches of cylinder-doffer of the front lower cover plate gauge of 33 inches of gauge, cylinder-;
(4) by fiber number fineness 1.12dtex, average length 37.4mm, breaking strength 5.97cN/dtex, elongation at break 26.9%
Yizheng generate lot number be 21k polyester fiber and fiber number fineness 1.13dtex, average length 36.8mm, breaking strength
The polyester fiber that the lot number of the Yizheng generation of 5.62cN/dtex, elongation at break 19.1% is 31k is according to the ratio of 1:7 through grabbing cotton
Process carries out the mixing of cotton packet, by mixed polyester fiber successively through cotton cleaning process, third carding step, the second pre- and process system
Obtain terylene item;Terylene grab cotton process select FA002A griping cotton machine, wherein revolving speed 720r/min, blade stretch out rib distance 2.5mm,
Hired roughneck's interval dropping distance 3m/ times;Cotton cleaning process successively selects the mono- roller scutcher → FA046 vibrating cotton box cotton feeding of FA111
→ FA141A single beater scutcher, wherein FA111 type scutcher is to cotton speed 20HZ, Beater Speed 1236r/min;FA046 vibration
Dynamic hopper feeder brad curtain speed 70m/min, equal cotton hired roughneck to brad curtain gauge 6mm, stripping Beater Speed 429r/min,
Cotton roller speed 272r/min, brad curtain and stripping hired roughneck's interval distance 2mm, brad curtain and evener roller gauge 20mm;FA141A
Single beater scutcher integrates hired roughneck's revolving speed 900r/min, lap roller revolving speed 13r/min, Beater Speed 1000m/min, blower and turns
Fast 1300r/min, dirt stick interval distance 5mm, hired roughneck and dirt stick import gauge 8mm, outlet gauge 18mm, hired roughneck to stripping knife gauge
2mm, hired roughneck to balance curved bar gauge 10mm;Third cotton carding uses A186F high-speed carding machine, carded sliver Dry Weight per Unit 21.48g/5m, wet
Quantitative 21.56g/5m, 88.42 times of practical total draft, thorn rod revolving speed 690r/min, cylinder revolving speed 360r/min, cover board 144mm/
Min, doffing speed 24r/min;Second is pre- and process uses FA306 drawing frame, pre-drawing Dry Weight per Unit 22.61g/5m, wet quantitative
22.8g/5m, number of doubling 8, weighing draft are that Three Up Three Down pressure bar adds guiding top roller curve drawing, sliver exporting speed 190m/
min;
(5) by mixing cotton yarn obtained, bluish dogbane ,/cotton is made through mixing in doubling step in cotton mixing yarn, terylene item/is spreaded out
Fiber crops/terylene blended sliver, wherein mixing in doubling step uses three draftings, including slubbing drafting, two draftings, extreme trace drafting, wherein head
Road drafting is fed using 8 one threads, and 8 one threads are followed successively by bluish dogbane/cotton mixing yarn, mixing cotton yarn, terylene item, sieve
Cloth fiber crops/cotton mixing yarn, terylene item, bluish dogbane/cotton mixing yarn, mixing cotton yarn, terylene item, two draftings use
The feeding of blended sliver obtained by 6 slubbing draftings, extreme trace drafting will be made using the feeding of blended sliver obtained by 6 two draftings
The cylinder yarn of large package is directly made through spinning process for the cotton/bluish dogbane/terylene blended sliver obtained, and wherein spinning process uses 870 whirlpools
Stream spins spinning frame;Slubbing drafting, two draftings, extreme trace drafting are all made of FA306A type drawing frame, drawing-off shape shape in mixing in doubling step
Formula is that Three Up Three Down pressure bar adds guiding top roller curve drawing, and strip Dry Weight per Unit 20.04g/5m, machinery are total in slubbing drafting
8.728 times of drawing-off, calender roller tension 1.02N, guide strip rack tension 1.016N, strip Dry Weight per Unit 20.06g/5m in two draftings,
6.116 times of mechanical total draft, calender roller tension 1.02N, guide strip rack tension 1.016N, strip Dry Weight per Unit in extreme trace drafting
17.99g/5m, mechanical 6.827 times of total draft, calender roller tension 1.02N, guide strip rack tension 1.016N;870 vortex spinning spun yarns
Machine middle roller gauge is respectively 41mm, 43mm, 43mm, spinning speed 370m/min, batches than 0.98, feeding than 0.978, collection cotton
Device width 2mm, nozzle exit pressure 0.53Mpa, 5 hole of nozzle.
Mixed yarn quality test results are as shown in the table:
Ultimate strength |
Strength CV |
Unevenness CV |
Unevenness CV b |
(- 50%) details |
(+50%) slubbing |
(+200%) cotton knot |
249.6cN |
9.9% |
14.62% |
1.5 |
59/km |
56/km |
30/km |