CN103334190A - Ultra-high-count pure cotton combing yarn and spinning technology of ultra-high-count pure cotton combing yarn - Google Patents
Ultra-high-count pure cotton combing yarn and spinning technology of ultra-high-count pure cotton combing yarn Download PDFInfo
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Abstract
The invention discloses ultra-high-count pure cotton combing yarn and a spinning technology of the ultra-high-count pure cotton combing yarn. Raw cotton comprises, by weight, 15%-25% of Egypt cotton, 25%-35% of American cotton and 40%-50% of Xinjiang long stapled cotton, wherein the Egypt cotton, the American cotton and the Xinjiang long stapled cotton are blended to spin 200S to 300S pure cotton yarn. The spinning technology includes the following steps that the first procedure of blowing-carding, the second procedure of combing, the third procedure of drawing, the fourth procedure of roving yarn, the fifth procedure of spun yarn and the sixth procedure of spooling. With the blending scheme, the raw cotton can integrate the advantages of high fineness and good maturity of the Egypt cotton, the advantages of high strength and non-existing abnormal fibers of the American cotton, the advantage of large length of the Xinjiang long stapled cotton and the like. The raw cotton reaches the requirements for the fiber length, the length CV value, the Micronaire value, the fineness, the strength and other performance indexes of raw cotton in producing ultra-high-count yarn. According to the spinning technology of the ultra-high-count pure cotton combing yarn, the ultra-high-count yarn can be produced under a large ration of roving yarn, the spinning efficiency is improved and meanwhile, quality of resultant yarn is ensured.
Description
Technical field
The present invention relates to a kind of extra-high-speed Zhi Chunmian combed yarn and spinning technique thereof.
Background technology
At present, the RING SPINNING that realizes twisting by spindle rotation is the most traditional spinning method, also be on the current market consumption at most, the most general spinning method, technology is very ripe, although occurred a lot of production efficiency height, the short novel spinning technology of technological process at present, as revolving cup spin, Air-Jet Spinning etc., especially Air-Jet Spinning, adopt the high speed swirling eddy to make fibre bundle false twisting looping resultant yarn and thoroughly changed the twisting mechanism of RING SPINNING, but these spinning methods still can't replace RING SPINNING on raw material applicability and yarn oeverall quality.Can be referring to application number: 201010520259.0; Denomination of invention is: a kind of heating blended yarn and spinning process thereof.RING SPINNING remains the topmost spun yarn mode of production at present.By the traditional ring spinning technology being improved realize that the production of high-quality spun yarn is the popular topic of present textile industry.Especially the ring throstle that present domestic main flow is used all adopts three roller two districts drawing-off forms, and drafting multiple is restricted, and spinning efficiency is lower, can't realize the production of extra-high-speed count yarn under general quantitative or the amount of the resetting rove.At this, the present invention adopts production extra-high-speed Zhi Chunmian combed yarn on a kind of super draft fine spining machine that comprises four rollers, four apron three districts drawing-off forms, and provides corresponding spinning method.
Along with continuing to increase with China textile industry structural adjustment investment of market competition strengthened gradually, be to improve added value of product and the market competitiveness, yarn variety develops to high branching, differentiation direction gradually.Yet high grade yarn kind yarn count is thin, powerful low, the easy above special high grade yarn of broken end, especially 200S in the production, the high grade yarn kind is mainly used in producing on the high-grade fabric simultaneously, yarn quality is required high, so it is bigger to produce the difficulty of high grade yarn.The production of the textile high dyed yarn of China at present also is in a starting stage, gap with developed country Japan, Italy etc. is bigger, improves technical equipment, improves the spinning quality level, improves spinning count, reduces the direction that labour intensity is China's spinning industry effort and development.
Summary of the invention
The present invention seeks to provides a kind of extra-high-speed Zhi Chunmian combed yarn and spinning technique thereof at the defective that prior art exists.
The present invention for achieving the above object, adopt following technical scheme: a kind of extra-high-speed Zhi Chunmian combed yarn, it is that 15% ~ 25% Egyptian cotton, 25% ~ 35% Xinjiang Long staple cotton U.S. cotton and 40% ~ 50% are mixed, and are spun into the purified cotton yarns of 200 ~ 300S by combing machine that raw cotton adopts percentage by weight.
A kind of spinning technique of extra-high-speed Zhi Chunmian combed yarn comprises the steps:
(1) clear comb connection operation: blowing is adopted the technological principle of " frivolous extracting, soft shredding, increasing noil ", suitably reduces each hired roughneck's speed of opening or cleaning cotton machine, increases the dirt rod and spaces; Comb and parallel cotton fibers prior to spinning adopt " tightly space, light quantitatively, jogging speed " technological principle, reduce output and quantitatively simultaneously, increase cover plate speed, and control blast, air quantity everywhere well;
(2) combing process: pre-drawing and to close radical be 6, drafting multiple is smaller or equal to number of doubling; Bar and volume adopt 22 ~ 28 pre-drawings and close, and cotton rolling quantity maintains about 60g/m; The speed of a motor vehicle control of combing machine is at 175 ~ 280 pincers/min, and its cylinder camber abgle is 115 °, adopts to retreat to cotton mode, and giving cotton length is 4.3 mm, and top comb density is controlled at 30 pins/cm ~ 36 pins/cm;
(3) mixing in doubling step: adopt band autoleveller single track drawing process, the speed of a motor vehicle control of combing machine is at 300-350 m/min, 6 of yarns also close, drafting multiple is about 6 times, design is quantitatively about 3.0 g/m, roller gauge is 49 * 48 * 51mm, and front roller speed is 150rpm/min;
(4) rove operation: the ingot speed control is built in 700 ~ 900 r/min, regular roving feeding control is at 3.0-4.5g/10m, and roving twist factor is controlled 1.2 ~ 1.4, and roller gauge is 48 * 49 * 50mm, drafting multiple control just is at 1.19 times, and the total draft multiple is controlled at 6.3 times;
(5) spinning process: adopt the tight spinning system-Quan Jufang that has installed the hollow roller of a kind of major diameter narrow slot type negative pressure additional, the form of drawing-off simultaneously adopts the four apron three districts drawing-offs of four rollers to realize 30 ~ 300 times of super drafts; The spun yarn twist factor is 400-500, and diameter of ring is 34mm, and roller hardness is 60 ± 3 degree, and ingot speed is 4000-8500rpm/min; Nip gauge is 2.0mm, momentum control is between 0-2mm before the front leather roller, reel cage pressure is the two ingots of 210 * 120 * 120 * 140N/, and gathering negative pressure is 1200-1800Pa, front roller and in a roller gauge 10.4-11.4mm, in a roller and in two roller gauges be 10.4-30mm, in two rollers and rear roller space and be 34-39mm, intermediate draft control at 1.1-3.0 doubly, back area draft control is at 1.1-1.4 doubly, proparea drawing-off control is at 10-70 times, and total draft control at 150-300 doubly;
(6) winding procedure: in winding procedure, suitably reduce groove drum winding speed and winder reel cage pressure, simultaneously the cleaning yarn passage; Wherein, the control of winder speed is at 400 ~ 600rpm/min.
Further, clear comb connection operation also comprises following operation described in the step (1):
1) opener, it adopts kirschner beater, speed 850-900r/min, card flat cylinder and doff clothing adopt short and close metallic elastic card clothing, and licker-in adopts close tooth card clothing;
2) secondary opener, its licker-in speed is 500-600r/min, combing machine cotton feeding roller and licker-in space and are that 0.03-0.04 inch, licker-in and cylinder space and are that it is 0.008,0.009,0.1 inch that 0.006-0.008 inch, removable cover and cylinder space, cylinder speed is 450-560r/min, cover plate speed is 250-320m/min, and doffer speed is 700-900r/min, and licker-in speed is 860-1060r/min, output speed is 70-90m/min, and Weight control is at 16-20g/5m.
Beneficial effect of the present invention: (1) is mixed by employing, realize that raw cotton has that the Egyptian cotton fineness is thin, maturity good concurrently, U.S. cotton intensity height, be as good as advantages such as fibre and Xinjiang Long staple cotton length are long, reach special high grade yarn produce in to the requirement of performance indications such as the fibre length of raw cotton, length C V value, mic value, fineness, intensity.
(2) spinning process part installs additional by employing and complete poly-to spin production system, cooperates drawing-off partly to adopt four rollers, four apron three districts drawing-off forms, the production of special high grade yarn under the realization amount of the resetting rove, and the raising spinning efficiency guarantees yarn quality simultaneously.
The specific embodiment
The present invention is a kind of extra-high-speed Zhi Chunmian combed yarn, and it is that 15% ~ 25% Egyptian cotton, 25% ~ 35% Xinjiang Long staple cotton U.S. cotton and 40% ~ 50% are mixed, and are spun into the purified cotton yarns of 200 ~ 300S by combing machine that raw cotton adopts percentage by weight.
A kind of spinning technique of extra-high-speed Zhi Chunmian combed yarn comprises the steps:
(1) clear comb connection operation: blowing is adopted the technological principle of " frivolous extracting, soft shredding, increasing noil ", suitably reduces each hired roughneck's speed of opening or cleaning cotton machine, increases the dirt rod and spaces; Comb and parallel cotton fibers prior to spinning adopt " tightly space, light quantitatively, jogging speed " technological principle, reduce output and quantitatively simultaneously, increase cover plate speed, and control blast, air quantity everywhere well;
(2) combing process: pre-drawing and to close radical be 6, drafting multiple is smaller or equal to number of doubling; Bar and volume adopt 22 ~ 28 pre-drawings and close, and cotton rolling quantity maintains about 60g/m; The speed of a motor vehicle control of combing machine is at 175 ~ 280 pincers/min, and its cylinder camber abgle is 115 °, adopts to retreat to cotton mode, and giving cotton length is 4.3 mm, and top comb density is controlled at 30 pins/cm ~ 36 pins/cm;
(3) mixing in doubling step: adopt band autoleveller single track drawing process, the speed of a motor vehicle control of combing machine is at 300-350 m/min, 6 of yarns also close, drafting multiple is about 6 times, design is quantitatively about 3.0 g/m, roller gauge is 49 * 48 * 51mm, and front roller speed is 150rpm/min;
(4) rove operation: the ingot speed control is built in 700 ~ 900 r/min, regular roving feeding control is at 3.0-4.5g/10m, and roving twist factor is controlled 1.2 ~ 1.4, and roller gauge is 48 * 49 * 50mm, drafting multiple control just is at 1.19 times, and the total draft multiple is controlled at 6.3 times;
(5) spinning process: adopt the tight spinning system-Quan Jufang that has installed the hollow roller of a kind of major diameter narrow slot type negative pressure additional, the form of drawing-off simultaneously adopts the four apron three districts drawing-offs of four rollers to realize 30 ~ 300 times of super drafts; The spun yarn twist factor is 400-500, and diameter of ring is 34mm, and roller hardness is 60 ± 3 degree, and ingot speed is 4000-8500rpm/min; Nip gauge is 2.0mm, momentum control is between 0-2mm before the front leather roller, reel cage pressure is the two ingots of 210 * 120 * 120 * 140N/, and gathering negative pressure is 1200-1800Pa, front roller and in a roller gauge 10.4-11.4mm, in a roller and in two roller gauges be 10.4-30mm, in two rollers and rear roller space and be 34-39mm, intermediate draft control at 1.1-3.0 doubly, back area draft control is at 1.1-1.4 doubly, proparea drawing-off control is at 10-70 times, and total draft control at 150-300 doubly;
(6) winding procedure: in winding procedure, suitably reduce groove drum winding speed and winder reel cage pressure, simultaneously the cleaning yarn passage; Wherein, the control of winder speed is at 400 ~ 600rpm/min.
Wherein, clear comb connection operation also comprises following operation described in the step (1): 1) opener, and it adopts kirschner beater, speed 850-900r/min, card flat cylinder and doff clothing adopt short and close metallic elastic card clothing, and licker-in adopts close tooth card clothing; 2) secondary opener, its licker-in speed is 500-600r/min, combing machine cotton feeding roller and licker-in space and are that 0.03-0.04 inch, licker-in and cylinder space and are that it is 0.008,0.009,0.1 inch that 0.006-0.008 inch, removable cover and cylinder space, cylinder speed is 450-560r/min, cover plate speed is 250-320m/min, and doffer speed is 700-900r/min, and licker-in speed is 860-1060r/min, output speed is 70-90m/min, and Weight control is at 16-20g/5m.
Below in conjunction with the specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1:Be example to install the textile combing 2.7tex of complete poly-spinning equipment yarn additional at TH558 four roller super draft ring throstles, it is that 22% Egyptian cotton, 33% U.S. cotton, 45% Xinjiang Long staple cotton are mixed that raw cotton adopts percentage by weight, and concrete processing step is as follows:
(1) clear comb connection:
Technological process comprises: packet capturing, opener, mixed cotton, secondary opener, removal of impurities, comb and parallel cotton fibers prior to spinning.
Adopt Truetzschler to comb connection clearly, concrete equipment and flow process are as follows:
BDT, BOBA, AFC type twin shaft stream opener, LvSA type heavy object separator, many storehouses of MM6 type blending box, CVT type opener, DX type multicyclone, the meticulous trash separator of FBK type, TC03 type carding machine.
AFC type twin shaft stream opener adopts kirschner beater, speed 950r/min, CVT opener licker-in speed 600r/min, carding machine cotton feeding roller and licker-in 40 (1/1000inch) that space, licker-in and cylinder space 8, removable cover and cylinder space 8,9,10, cylinder speed 510r/min, cover plate speed 310m/min, doffer speed 780r/min, licker-in speed 930r/min, output speed 82m/min, Weight control 16g/5m.
The card sliver quality index:
| Weight unevenness | Deviation of weight | The strip short fibre content | Cotton knot (cnt/g) | Impurity (cnt/g) | Bearded mote |
| <0.8% | <0.8% | <5.0% | <40 | <3 | <4 |
(2) combing process:
Adopt Rieter E62 type combing machine, combing machine adopts wide-angle cylinder (110 °), and the high density top comb (300 pins/100mm).Feed and be configured to 5.2mm to length, the speed of a motor vehicle 320 clamps inferior/min, and hairbrush is accomplished effective cleaning, and the table top assurance is definitely bright and clean in addition, and the assurance web is evenly exported and conveying, and cotton noils is controlled more than 22%.
The yarn quality index:
| Weight unevenness | Deviation of weight | The strip short fibre content | Cotton knot (cnt/g) | Impurity (cnt/g) | Bearded mote |
| <1.2% | <0.8% | 0 | <18 | 0 | 0 |
(3) secondary combing process:
Clear comb connection AFC twin shaft stream opener cuts out, and CVT hired roughneck's speed 300rpm/min crosses the cotton storehouse of MM twice, makes to mix.Breast swift speed 380rpm/min, removable cover and cylinder space be amplified to 9,10,11/1000inch, output speed is 80m/min, Weight control 16g/5m.
(4) mixing in doubling step
Adopt the Rieter(Rieter) the RSB-D401 autoleveller draw frame, the drawing process configuration is strict with disposing along draft process, in order not make strip scared, and strip adoption together, uses 6 and close, and first drawing-off is 1.75 times, total draft is 8.02 times, the heavy surely 18g/5m of roller gauge 49 * 48 * 51mm, front roller speed: 150rpm/min, sliver.
The drafting quality index:
| Weight unevenness | Deviation of weight | The strip short fibre content | Cotton knot (cnt/g) | Impurity (cnt/g) | Bearded mote |
| <0.6% | <0.5% | 0 | <18 | 0 | 0 |
(5) rove operation
Adopt the FL100 of Toyota type Speed frames, use effectively false twister, ingot speed 600rpm/min, rove roller gauge 41 * 55 * 69mm, rove total draft multiple is 7.5 times, and first drawing-off is 1.19 times, and roving twist factor 110-120, rove heavily are 4.8g/10m surely.
The roving yarn quality index:
| Weight unevenness | Deviation of weight | The strip short fibre content | Cotton knot (cnt/g) | Impurity (cnt/g) | Bearded mote |
| <1.4% | <0.6% | 0 | <18 | 0 | 0 |
(6) spinning process
The TH558 four roller super draft ring throstles of complete poly-spinning equipment are installed in employing additional, and twist factor is positioned at about 410, and grasp bigger than normal is to increase the spun yarn brute force.Do CV in order to reduce bar, suitably reducing apron roller hardness is 60 degree, and the two ingots of reel cage pressure 210 * 120 * 120 * 140N/ move between the 2mm behind the momentum before the front leather roller, and ingot speed be 7500rPm/min, guarantees output, but can not be too high, otherwise steel traveler flies to enclose seriously.Rings adopts PG13454, and the steel traveler model adopts C1 EL Udr24/0, proparea 6833E type pressure bar top pin, preceding nip gauge is 2mm, and sell on the 6833B type in middle district, and nip gauge is 3.0mm, gather negative pressure 1400Pa, before in a roller gauge 10.4mm, in the two rear rollers 24mm that spaces in, in the two rear rollers 33mm that spaces, intermediate draft control is at 2.8 times, back area draft control is at 1.2 times, and the proparea drawing-off is controlled at 52.9 times, and total draft is controlled at 177.8 times.
The spun yarn quality:
(7) winding procedure
Adopt the broken end lifting apparatus, speed setting 600rpm/min.
Embodiment 2: be example to install the textile combing 1.9tex of complete poly-spinning equipment yarn additional at TH558 four roller super draft ring throstles, it is that 20% Egyptian cotton, 30% U.S. cotton, 50% Xinjiang Long staple cotton are mixed that raw cotton adopts percentage by weight, and concrete processing step is as follows:
(1) clear comb connection:
Technological process comprises: packet capturing, opener, mixed cotton, secondary opener, removal of impurities, comb and parallel cotton fibers prior to spinning.
Adopt Truetzschler to comb connection clearly, concrete equipment and flow process are as follows:
BDT, BOBA, AFC type twin shaft stream opener, LvSA type heavy object separator, many storehouses of MM6 type blending box, CVT type opener, DX type multicyclone, the meticulous trash separator of FBK type, TC03 type carding machine.
AFC type twin shaft stream opener adopts kirschner beater, speed 950r/min, CVT opener licker-in speed 600r/min, carding machine cotton feeding roller and licker-in 40 (1/1000inch) that space, licker-in and cylinder space 8, removable cover and cylinder space 8,9,10, cylinder speed 510r/min, cover plate speed 310m/min, doffer speed 780r/min, licker-in speed 930r/min, output speed 82m/min, Weight control 16g/5m.
The card sliver quality index:
| Weight unevenness | Deviation of weight | The strip short fibre content | Cotton knot (cnt/g) | Impurity (cnt/g) | Bearded mote |
| <0.8% | <0.8% | <5.0% | <40 | <3 | <4 |
(2) combing process:
Adopt Rieter E62 type combing machine, combing machine adopts wide-angle cylinder (110 °), and the high density top comb (300 pins/100mm).Feed and be configured to 5.2mm to length, the speed of a motor vehicle 320 clamps inferior/min, and hairbrush is accomplished effective cleaning, and the table top assurance is definitely bright and clean in addition, and the assurance web is evenly exported and conveying, and cotton noils is controlled more than 22%.
The yarn quality index:
| Weight unevenness | Deviation of weight | The strip short fibre content | Cotton knot (cnt/g) | Impurity (cnt/g) | Bearded mote |
| <1.2% | <0.8% | 0 | <18 | 0 | 0 |
(3) secondary combing process:
Clear comb connection AFC twin shaft stream opener cuts out, and CVT hired roughneck's speed 300rpm/min crosses the cotton storehouse of MM twice, makes to mix.Breast swift speed 380rpm/min, removable cover and cylinder space be amplified to 9,10,11/1000inch, output speed is 80m/min, Weight control 16g/5m.
(4) mixing in doubling step
Adopt the Rieter(Rieter) the RSB-D401 autoleveller draw frame, the drawing process configuration is strict with disposing along draft process, in order not make strip scared, and strip adoption together, uses 6 and close, and first drawing-off is 1.75 times, total draft is 8.02 times, the heavy surely 12g/5m of roller gauge 49 * 48 * 51mm, front roller speed: 150rpm/min, sliver.
The drafting quality index:
| Weight unevenness | Deviation of weight | The strip short fibre content | Cotton knot (cnt/g) | Impurity (cnt/g) | Bearded mote |
| <0.6% | <0.5% | 0 | <18 | 0 | 0 |
(5) rove operation
Adopt the FL100 of Toyota type Speed frames, use effectively false twister, ingot speed 600rpm/min, rove roller gauge 41 * 55 * 69mm, rove total draft multiple is 6.8 times, and first drawing-off is 1.19 times, and roving twist factor 110-120, rove heavily are 3.5g/10m surely.
The roving yarn quality index:
| Weight unevenness | Deviation of weight | The strip short fibre content | Cotton knot (cnt/g) | Impurity (cnt/g) | Bearded mote |
| <1.4% | <0.6% | 0 | <18 | 0 | 0 |
(6) spinning process
The TH558 four roller super draft ring throstles of complete poly-spinning equipment are installed in employing additional, and twist factor is positioned at about 420, and grasp bigger than normal is to increase the spun yarn brute force.Do CV in order to reduce bar, suitably reducing apron roller hardness is 60 degree, and the two ingots of reel cage pressure 210 * 120 * 120 * 140N/ move between the 2mm behind the momentum before the front leather roller, and ingot speed be 5500rPm/min, guarantees output, but can not be too high, otherwise steel traveler flies to enclose seriously.Rings adopts PG13454, and the steel traveler model adopts C1 EL Udr28/0, proparea 6833E type pressure bar top pin, preceding nip gauge is 2mm, and sell on the 6833B type in middle district, and nip gauge is 3.0mm, gather negative pressure 1300Pa, front roller and in a roller gauge 10.4mm, in a roller and in two roller gauge 24mm, in two rollers and the rear roller 33mm that spaces, intermediate draft control is at 2.3 times, back area draft control is at 1.2 times, and the proparea drawing-off is controlled at 69 times, and total draft is controlled at 184.2 times.
The spun yarn quality:
(7) winding procedure
Adopt the broken end lifting apparatus, speed setting 600rpm/min.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. an extra-high-speed Zhi Chunmian combed yarn is characterized in that, it is that 15% ~ 25% Egyptian cotton, 25% ~ 35% Xinjiang Long staple cotton U.S. cotton and 40% ~ 50% are mixed that raw cotton adopts percentage by weight, is spun into the purified cotton yarns of 200 ~ 300S.
2. the spinning technique of an extra-high-speed Zhi Chunmian combed yarn is characterized in that, comprises the steps:
(1) clear comb connection operation: blowing is adopted the technological principle of " frivolous extracting, soft shredding, increasing noil ", suitably reduces each hired roughneck's speed of opening or cleaning cotton machine, increases the dirt rod and spaces; Comb and parallel cotton fibers prior to spinning adopt " tightly space, light quantitatively, jogging speed " technological principle, reduce output and quantitatively simultaneously, increase cover plate speed, and control blast, air quantity everywhere well;
(2) combing process: pre-drawing and to close radical be 6, drafting multiple is smaller or equal to number of doubling; Bar and volume adopt 22 ~ 28 pre-drawings and close, and cotton rolling quantity maintains about 60g/m; The speed of a motor vehicle control of combing machine is at 175 ~ 280 pincers/min, and its cylinder camber abgle is 115 °, adopts to retreat to cotton mode, and giving cotton length is 4.3 mm, and top comb density is controlled at 30 pins/cm ~ 36 pins/cm;
(3) mixing in doubling step: adopt band autoleveller single track drawing process, the speed of a motor vehicle control of combing machine is at 300-350 m/min, 6 of yarns also close, drafting multiple is about 6 times, design is quantitatively about 3.0 g/m, roller gauge is 49 * 48 * 51mm, and front roller speed is 150rpm/min;
(4) rove operation: the ingot speed control is built in 700 ~ 900 r/min, regular roving feeding control is at 3.0-4.5g/10m, and roving twist factor is controlled 1.2 ~ 1.4, and roller gauge is 48 * 49 * 50mm, drafting multiple control just is at 1.19 times, and the total draft multiple is controlled at 6.3 times;
(5) spinning process: adopt the tight spinning system-Quan Jufang that has installed the hollow roller of a kind of major diameter narrow slot type negative pressure additional, the form of drawing-off simultaneously adopts the four apron three districts drawing-offs of four rollers to realize 30 ~ 300 times of super drafts; The spun yarn twist factor is 400-500, and diameter of ring is 34mm, and roller hardness is 60 ± 3 degree, and ingot speed is 4000-8500rpm/min; Nip gauge is 2.0mm, momentum control is between 0-2mm before the front leather roller, reel cage pressure is the two ingots of 210 * 120 * 120 * 140N/, and gathering negative pressure is 1200-1800Pa, front roller and in a roller gauge 10.4-11.4mm, in a roller and in two roller gauges be 10.4-30mm, in two rollers and rear roller space and be 34-39mm, intermediate draft control at 1.1-3.0 doubly, back area draft control is at 1.1-1.4 doubly, proparea drawing-off control is at 10-70 times, and total draft control at 150-300 doubly;
(6) winding procedure: in winding procedure, suitably reduce groove drum winding speed and winder reel cage pressure, simultaneously the cleaning yarn passage; Wherein, the control of winder speed is at 400 ~ 600rpm/min.
3. the spinning technique of a kind of extra-high-speed Zhi Chunmian combed yarn as claimed in claim 2 is characterized in that, clear comb connection operation also comprises following operation described in the step (1):
1) opener, it adopts kirschner beater, speed 850-900r/min, card flat cylinder and doff clothing adopt short and close metallic elastic card clothing, and licker-in adopts close tooth card clothing;
2) secondary opener, its licker-in speed is 500-600r/min, combing machine cotton feeding roller and licker-in space and are that 0.03-0.04 inch, licker-in and cylinder space and are that it is 0.008,0.009,0.1 inch that 0.006-0.008 inch, removable cover and cylinder space, cylinder speed is 450-560r/min, cover plate speed is 250-320m/min, and doffer speed is 700-900r/min, and licker-in speed is 860-1060r/min, output speed is 70-90m/min, and Weight control is at 16-20g/5m.
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| CN108914285A (en) * | 2018-09-06 | 2018-11-30 | 海安联发棉纺有限公司 | The conformal Quality Pure Cotton Yarn Production of height and its production method of highly dense crease resistant fabric |
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