CN104073925B - Carding technology for yakwool tops for high-count yakwool yarn production and yakwool tops - Google Patents
Carding technology for yakwool tops for high-count yakwool yarn production and yakwool tops Download PDFInfo
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Abstract
The invention relates to a carding technology for yakwool tops for high-count yakwool yarn production and the yakwool tops manufactured with the technology. The technology for making the combed yakwool tops comprises the steps of pretreatment of raw materials, primary vibration opening, wool lubricating oil application, secondary vibration opening, carding, pre-drawing, top lap doubling and combing. By the adoption of the technology, short fibers in yakwool fibers can be effectively removed, and the yakwool tops which can be used for high-count yakwool yarn production can be obtained.
Description
Technical field
The present invention relates to a kind of suede bar carding process and gained suede bar, especially a kind of yakwool bar carding process and gained yakwool bar thereof propping up yak yarn for the production of height.
Background technology
According to the applicant understood, yakwool can be adopted to obtain with it from the yak living in more than height above sea level 3500m, distinctive puna determines yakwool and has sliding glutinous, good, the wear-resisting resistance to balling-up of good springiness, humidity absorption and release performance of feel, feature that fiber strength is high, high-quality yakwool average fineness 19 μm is desirable high-grade fabric.Meanwhile, compared with cashmere, the wear-resisting pill resistance of yakwool can be more excellent, and have obvious price advantage, but the shorter and otherness of the fibre length of yakwool is comparatively large, and this causes yakwool to be used for slubbing technique, and added value of product is lower.
Find through retrieval, the Chinese invention patent of application number 201210013382.2 Authorization Notice No. CN102704098B discloses a kind of pure preparation technology spinning combing yakwool bar, " product is purely spin combing yakwool bar; provide possibility for rear road spins a pure yakwool height combed yarn, started the blank that high-grade yakwool fiber is produced at combed yarn ".But the fibre fineness that this technical scheme obtains product is thin not enough, and fibre length is long not enough, and the height being difficult to process more than 80Nm props up yak down yarn.
Summary of the invention
Technical problem to be solved by this invention is: overcome prior art Problems existing, be provided for the yakwool bar carding process producing a high yak yarn, effectively can remove the short flannel in yakwool fiber, obtain the yakwool bar that can be used for producing a high yak yarn; The yakwool bar that this technique is obtained is provided simultaneously.
The technical scheme that the present invention solves its technical problem is as follows:
Prop up a yakwool bar carding process for yak yarn for the production of height, it is characterized in that, comprise the following steps:
The first step, carry out preliminary treatment to yakwool fiber raw material, preliminary treatment comprises: pick and remove different fibre;
Second step, first step gained yakwool fiber carried out first vibration shredding, by yakwool fiber shredding, dial loose;
3rd step, successively spray wool lubricant, antistatic additive and water to second step gained yakwool fiber, control regain simultaneously in preset range, and balance Preset Time;
4th step, the 3rd step gained yakwool fiber carried out second vibration shredding, yakwool fiber shredding is become loose cotton-shaped;
5th step, the 4th step gained yakwool fiber carried out successively carding process, pre-drawing operation, article and roll up operation, combing process obtains combing yakwool article; Carding process, pre-drawing operation, bar roll up operation, combing process and carry out on corresponding cotton equipment respectively.
Inventor finds in depth practical studies, after refueling and add first vibration shredding operation and second vibration shredding operation with hair respectively before and after operation, the distribution of yakwool fiber can be made more fluffy, the long fiber in yakwool fiber is made more easily to be gathered slivering by combing, and make yakwool fiber that cotton equipment can be adopted to process, thus more effectively can remove short flannel, obtain the yakwool bar that can be used for producing a high yak yarn.
The perfect further technical scheme of the present invention is as follows:
For making the fibre fineness of yakwool bar enough thin and fibre length long enough:
Preferably, the first vibration shredding of second step and the second vibration shredding of the 4th step complete at shredding delivery platform respectively;
Shredding delivery platform comprises the conveyer belt having and determine direction of transfer, is provided with the first, second, third shredding hired roughneck that rotation limit, limit moves up and down successively above conveyer belt along direction of transfer; First, second, third shredding hired roughneck is respectively comb needle type beater arm and is parallel to each other; Distance is left between first shredding hired roughneck and conveyer belt termination;
The process of first vibration shredding is: evenly tiled on a moving belt by first step gained yakwool fiber, and form fibrage; The speed of conveyer belt is 0.5-2.5m/min; Spacing between first, second, third shredding hired roughneck and fibrage is respectively-4.5 ~ 0cm, the rotating speed of first, second, third shredding hired roughneck is respectively 80-150r/min, the spacing of first and second shredding hired roughneck, second and the 3rd the spacing of shredding hired roughneck be respectively 0.3-1.2m;
The process of second vibration shredding is: evenly tiled on a moving belt by the 3rd step gained yakwool fiber, and form fibrage; The speed of conveyer belt is 1.5-5.0m/min; Spacing between first, second, third shredding hired roughneck and fibrage is respectively-3.5 ~ 0cm, the rotating speed of first, second, third shredding hired roughneck is respectively 60-120r/min, the spacing of first and second shredding hired roughneck, second and the 3rd the spacing of shredding hired roughneck be respectively 0.3-0.8m.
After adopting this preferred version, the damage of opening processes to fiber can be effectively reduced, make the final yakwool bar fibre fineness obtained remain on less than 17.5 μm and fibre length remains on more than 39mm, and then the height making this yakwool bar can be used for processing more than 80Nm prop up yak down yarn.
This preferred version further improves as follows:
Further preferably, the two ends of conveyer belt is closely sheathed on the driving shaft and driven shaft that are parallel to each other respectively; Driving shaft and variable-frequency motor are in transmission connection; The spacing that conveyer belt deviates between the termination of the second shredding hired roughneck side and the first shredding hired roughneck the first shredding hired roughneck is 0.8-1.2m; The end of first, second, third shredding hired roughneck is coaxially fixed with the first gear respectively, first gear and the second corresponding gears meshing, second gear is eccentric gear, the axle center of the second gear is connected with corresponding servo motor transmission, and first, second gear and servomotor form cam-type hired roughneck transmission mechanism.
Still more preferably, conveyer belt width is 1.5-2.5m; The diameter of first, second, third shredding hired roughneck is respectively 12.5-15cm; Servomotor to transmit with the second gear axis through Timing Belt and is connected; First gear is 34
tm2 gear, the second gear is 67
tm2 gear.
For the obtained yakwool bar that can be used for processing more than a 80Nm height yak down yarn can be guaranteed better:
Further preferably, in the combing process of the 5th step, feeding radical is 8, back zone drafting multiple is 1.13-1.3, and total draft multiple is 6-11.2, spaces for 20-25mm, roller diameter is 35 × 27 × 27 × 27 × 27mm, and the speed of a motor vehicle is 160-190 pincers/min, and strip is heavily 9-12g/m surely; Cylinder camber abgle is 90 °-130 °, and top comb density is 32-36 pin/cm, adopt retreat to cotton mode, be 4.7mm to cotton length, control fall suede rate more than 25%, short flannel elimination factor reach more than 75% and the elimination factor of cotton junction impurity more than 80%.
For more effectively vibrating the yakwool fiber after shredding for first:
Preferably, in 3rd step, with the weight of second step gained yakwool fiber for benchmark, add the water of the CTA-1880 wool lubricant of 0.6-0.8%, the FX-AS20 antistatic additive of 0.45-0.50% and 5-12% by weight percentage, control regain at 20-25%, balance 12-24h.
Lubrication after this preferred version effectively can increase first vibration shredding between yakwool fiber, reduce electrostatic, fall low-fiber direction friction effect, increase interfibrous obvolvent.
For yakwool fiber after second being vibrated shredding makes finished product better:
Preferably, in the carding process of the 5th step, adopt the technological principle of soft combing, low velocity, gently quantitative, little speed ratio, technological parameter is: feeding roller speed 2.5-4.8r/min, cylinder speed 150-200r/min, doffer speed 8.0-15.0r/min, transferring roller speed 110-150 r/min, weight of card sliver 5.0-9.5g/m.
Further preferably, in the pre-drawing operation of the 5th step, technological parameter is: pre-drawing number of doubling is 6, and back zone drafting multiple is 1.06-1.12; Center distance of front roller is 45-48mm, middle district ratch is 41-45mm, back zone ratch is 51-56mm;
5th step article and roll up in operation, technological parameter is: adopt 22-28 root pre-drawing also to close, drafting multiple is 1.28-1.32; Center distance of front roller is 60-66mm, back zone ratch is 62-68mm.
In addition, the perfect of other has:
Preferably, in the 5th step, carding process adopts cotton carding machine; Pre-drawing operation adopts cotton drawing frame; Bar also rolls up operation employing cotton strip ribbon lap machine; Combing process adopts cotton combing machine.
The present invention also provides:
Prop up a yakwool bar for yak yarn for the production of height, it is characterized in that, the fibre fineness of contained yakwool fiber below 17.5 μm, fibre length is at more than 39mm; The fineness of yarn that described height props up yak down yarn is more than 80Nm; And adopt aforementioned carding process to obtain.
Compared with prior art, the distinctive processing technology of the present invention can effectively reduce the damage of opening processes to fiber, make the distribution of fiber more fluffy, long fiber is more easily gathered slivering by combing, thus effectively can remove short flannel, obtain fibre fineness below 17.5 μm, fibre length is at the yakwool bar of more than 39mm, the height that can be used for processing more than 80Nm props up yak down yarn, change yakwool fiber in the past and can only process the history of low count yarn, drastically increase the utilization rate of yakwool, improve the added value of yakwool spun yarn product.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the embodiment of the present invention 1,2 shredding delivery platform used.
Fig. 2 is hired roughneck's drive mechanism schematic diagram in Fig. 1 embodiment shredding delivery platform.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.But the invention is not restricted to given example.
Embodiment 1
The present embodiment props up the yakwool bar carding process of yak yarn for the production of height, comprises the following steps:
The first step, because the yakwool fiber length difference opposite sex is comparatively large, thickness differs greatly, reply yakwool fiber raw material carries out preliminary treatment, and preliminary treatment comprises: pick and remove different fibre, etc.
Second step, first step gained yakwool fiber carried out first vibration shredding, by yakwool fiber shredding, dial loose; First vibration shredding completes at shredding delivery platform.
As shown in Figure 1, shredding delivery platform comprises the conveyer belt 1 having and determine direction of transfer, is provided with the first, second, third shredding hired roughneck 4,5,6 that rotation limit, limit moves up and down successively above conveyer belt 1 along direction of transfer; First, second, third shredding hired roughneck 4,5,6 is respectively comb needle type beater arm and is parallel to each other; Distance is left between first shredding hired roughneck 4 and conveyer belt 1 termination;
Specifically, the two ends of conveyer belt 1 is closely sheathed on the driving shaft 3 and driven shaft 2 that are parallel to each other respectively; Driving shaft 3 and variable-frequency motor 12 are in transmission connection; The spacing that conveyer belt 1 deviates between the termination of the second shredding hired roughneck 5 side and the first shredding hired roughneck 4 the first shredding hired roughneck 4 is 1.1m.
As shown in Figure 2, the end of first, second, third shredding hired roughneck 4,5,6 is coaxially fixed with the first gear 7 respectively, first gear 7 engages with the second corresponding gear 8, second gear 8 is eccentric gear, axle center and the corresponding servomotor 10 of the second gear 8 are in transmission connection, second gear 8 does elliptical motion around its axle center 11, and first, second gear 7,8 and servomotor 10 form cam-type hired roughneck transmission mechanism.
In addition, conveyer belt 1 width is 2.0m, and length is 4.5-10.0m (the present embodiment is 9.0m); The diameter of first, second, third shredding hired roughneck 4,5,6 is respectively 12.5cm; Servomotor 10 to transmit with the second gear axis 11 through Timing Belt 9 and is connected; First gear 7 is 34
tm2 gear, the second gear 8 is 67
tm2 gear.
The process of first vibration shredding is: be evenly laid on conveyer belt 1 by first step gained yakwool fiber, and form fibrage; The speed of conveyer belt 1 is 1.2m/min; First, second, third shredding hired roughneck 4,5, spacing between 6 and fibrage is respectively-3.5cm, the rotating speed of first, second, third shredding hired roughneck 4,5,6 is respectively 145r/min, the spacing of first and second shredding hired roughneck 5, second and the 3rd the spacing of shredding hired roughneck be respectively 0.5m.Each hired roughneck when running up by fiber opening, dial loose.
3rd step, successively spray wool lubricant, antistatic additive and water to second step gained yakwool fiber, control regain simultaneously in preset range, and balance Preset Time.
Specifically, with the weight of second step gained yakwool fiber for benchmark, add by weight percentage the CTA-1880 wool lubricant of 0.8%, the FX-AS20 antistatic additive of 0.45% and 8% water, control regain 24%, balance 24h.Lubrication after effectively can increasing first vibration shredding like this between yakwool fiber, reduce electrostatic, fall low-fiber direction friction effect, increase interfibrous obvolvent.
4th step, the 3rd step gained yakwool fiber carried out second vibration shredding, yakwool fiber shredding is become loose cotton-shaped; Second vibration shredding completes at the shredding delivery platform that second step is used.
The process of second vibration shredding is: be evenly laid on conveyer belt 1 by the 3rd step gained yakwool fiber, and form fibrage; The speed of conveyer belt 1 is 2.25m/min; First, second, third shredding hired roughneck 4,5, spacing between 6 and fibrage is respectively-3.5cm, the rotating speed of first, second, third shredding hired roughneck 4,5,6 is respectively 120r/min, the spacing of first and second shredding hired roughneck 5, second and the 3rd the spacing of shredding hired roughneck be respectively 0.4m.After second vibration shredding, fiber opening becomes loose cotton-shaped, is beneficial to by long fiber tidy in carding process, and gets rid of staple fibre.
5th step, the 4th step gained yakwool fiber carried out successively carding process, pre-drawing operation, article and roll up operation, combing process obtains combing yakwool article; Carding process, pre-drawing operation, bar roll up operation, combing process and carry out on corresponding cotton equipment respectively.
Specifically, in carding process, adopt cotton carding machine A186G, adopt the technological principle of soft combing, low velocity, gently quantitative, little speed ratio, technological parameter is: feeding roller speed 3.5r/min, cylinder speed 175r/min, doffer speed 10.5r/min, transferring roller speed 110r/min, weight of card sliver 5.0g/m.Carding process is the key of whole suede bar preparation section, and its carding quality directly produces material impact to later process semi-products quality.
In pre-drawing operation, adopt cotton drawing frame FA302, technological parameter is: pre-drawing number of doubling is 6, and back zone drafting multiple is 1.09; Center distance of front roller is 45mm, middle district ratch is 41mm, back zone ratch is 52mm.
Bar is also rolled up in operation, and adopt cotton strip ribbon lap machine E5/3, technological parameter is: adopt 24-28 root pre-drawing and close, drafting multiple is 1.28; Center distance of front roller is 60mm, back zone ratch is 64mm.
It is short that the task of combing is that removal of impurities is gone, and gets rid of the shorter fiber of fibre length, to improve the quality of suede bar through combing process.The present invention can be used for producing fineness of yarn to prop up yak yarn combing yakwool bar at the height of more than 80Nm, so require that the parameter configuration of combing process is more scientific and reasonable owing to will obtain.
Particularly, in combing process, adopt cotton JSFA288A type combing machine, feeding radical is 8, back zone drafting multiple is 1.13, and total draft multiple is 7.81, spaces for 21mm, roller diameter is 35 × 27 × 27 × 27 × 27mm, and the speed of a motor vehicle is 165 pincers/min, and strip is heavily 9.4g/m surely; Cylinder camber abgle is 115 °, and top comb density is 36 pins/cm, and adopting and retreat to cotton mode, is 4.7mm to cotton length, and control falls, and suede rate is 25%, short flannel elimination factor is 79% and the elimination factor of cotton junction impurity is 85%.
The combing yakwool bar that the present embodiment finally obtains can reach following quality index:
Embodiment 2
The present embodiment props up the yakwool bar carding process of yak yarn for the production of height, and basic step is identical with embodiment 1, and the design parameter of each step is different, specific as follows:
(1), in second step, the spacing that conveyer belt 1 deviates between the termination of the second shredding hired roughneck 5 side and the first shredding hired roughneck 4 the first shredding hired roughneck 4 is 0.9m.Conveyer belt 1 width is 2.1m, and length is 10.0m; The diameter of first, second, third shredding hired roughneck 4,5,6 is respectively 14.5cm.
In the process of first vibration shredding, the speed of conveyer belt 1 is 0.9m/min; First, second, third shredding hired roughneck 4,5, spacing between 6 and fibrage is respectively-3.5cm, the rotating speed of first, second, third shredding hired roughneck 4,5,6 is respectively 150r/min, the spacing of first and second shredding hired roughneck 5, second and the 3rd the spacing of shredding hired roughneck be respectively 0.5m.
In (2) the 3rd steps, with the weight of second step gained yakwool fiber for benchmark, add by weight percentage the CTA-1880 wool lubricant of 0.75%, the FX-AS20 antistatic additive of 0.50% and 10% water, control regain 23%, balance 18h.
In (3) the 4th steps, the process of second vibration shredding is: the speed of conveyer belt 1 is 3.4m/min; First, second, third shredding hired roughneck 4,5, spacing between 6 and fibrage is respectively-3.0cm, the rotating speed of first, second, third shredding hired roughneck 4,5,6 is respectively 110r/min, the spacing of first and second shredding hired roughneck 5, second and the 3rd the spacing of shredding hired roughneck be respectively 0.4m.
In (4) the 5th steps, carding process technological parameter is: feeding roller speed 4.0r/min, cylinder speed 200r/min, doffer speed 8.0r/min, transferring roller speed 125r/min, weight of card sliver 6.5g/m.
Pre-drawing procedure technology parameter is: pre-drawing number of doubling is 6, and back zone drafting multiple is 1.12; Center distance of front roller is 45mm, middle district ratch is 42mm, back zone ratch is 53mm.
Bar is also rolled up procedure technology parameter and is: adopt 24 pre-drawings and close, drafting multiple is 1.32; Center distance of front roller is 62mm, back zone ratch is 66mm.
In combing process, feeding radical is 8, and back zone drafting multiple is 1.15, and total draft multiple is 8.07, spaces for 22mm, and roller diameter is 35 × 27 × 27 × 27 × 27mm, and the speed of a motor vehicle is 175 pincers/min, and strip is heavily 9.8g/m surely; Cylinder camber abgle is 130 °, and top comb density is 36 pins/cm, and adopting and retreat to cotton mode, is 4.7mm to cotton length, and control falls, and suede rate is 26%, short flannel elimination factor is 76% and the elimination factor of cotton junction impurity is 84%.
The accessible quality index of combing yakwool bar that the present embodiment finally obtains is identical with embodiment 1.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (9)
1. prop up a yakwool bar carding process for yak yarn for the production of height, it is characterized in that, comprise the following steps:
The first step, carry out preliminary treatment to yakwool fiber raw material, described preliminary treatment comprises: pick and remove different fibre;
Second step, first step gained yakwool fiber carried out first vibration shredding, by yakwool fiber shredding, dial loose;
3rd step, successively spray wool lubricant, antistatic additive and water to second step gained yakwool fiber, control regain simultaneously in preset range, and balance Preset Time;
4th step, the 3rd step gained yakwool fiber carried out second vibration shredding, yakwool fiber shredding is become loose cotton-shaped;
5th step, the 4th step gained yakwool fiber carried out successively carding process, pre-drawing operation, article and roll up operation, combing process obtains combing yakwool article; Described carding process, pre-drawing operation, bar roll up operation, combing process and carry out on corresponding cotton equipment respectively.
2. prop up the yakwool bar carding process of yak yarn according to claim 1 for the production of height, it is characterized in that, the first vibration shredding of second step and the second vibration shredding of the 4th step complete at shredding delivery platform respectively;
Described shredding delivery platform comprises the conveyer belt having and determine direction of transfer, is provided with the first, second, third shredding hired roughneck that rotation limit, limit moves up and down successively above described conveyer belt along direction of transfer; Described first, second, third shredding hired roughneck is respectively comb needle type beater arm and is parallel to each other; Distance is left between described first shredding hired roughneck and conveyer belt termination;
The process of described first vibration shredding is: evenly tiled on a moving belt by first step gained yakwool fiber, and form fibrage; The speed of described conveyer belt is 0.5-2.5m/min; Spacing between described first, second, third shredding hired roughneck and fibrage is respectively-4.5 ~ 0cm, the rotating speed of described first, second, third shredding hired roughneck is respectively 80-150r/min, the spacing of described first and second shredding hired roughneck, second and the 3rd the spacing of shredding hired roughneck be respectively 0.3-1.2m;
The process of described second vibration shredding is: evenly tiled on a moving belt by the 3rd step gained yakwool fiber, and form fibrage; The speed of described conveyer belt is 1.5-5.0m/min; Spacing between described first, second, third shredding hired roughneck and fibrage is respectively-3.5 ~ 0cm, the rotating speed of described first, second, third shredding hired roughneck is respectively 60-120r/min, the spacing of described first and second shredding hired roughneck, second and the 3rd the spacing of shredding hired roughneck be respectively 0.3-0.8m.
3. prop up the yakwool bar carding process of yak yarn according to claim 2 for the production of height, it is characterized in that, the two ends of described conveyer belt is closely sheathed on the driving shaft and driven shaft that are parallel to each other respectively; Described driving shaft and variable-frequency motor are in transmission connection; The spacing that described conveyer belt deviates between the termination of the second shredding hired roughneck side and the first shredding hired roughneck the first shredding hired roughneck is 0.8-1.2m; The end of described first, second, third shredding hired roughneck is coaxially fixed with the first gear respectively, described first gear and the second corresponding gears meshing, described second gear is eccentric gear, the axle center of described second gear is connected with corresponding servo motor transmission, and first, second gear described and servomotor form cam-type hired roughneck transmission mechanism.
4. prop up the yakwool bar carding process of yak yarn according to claim 3 for the production of height, it is characterized in that, described conveyer belt width is 1.5-2.5m; The diameter of described first, second, third shredding hired roughneck is respectively 12.5-15cm; Described servomotor to transmit with the second gear axis through Timing Belt and is connected; Described first gear is 34
tm2 gear, described second gear is 67
tm2 gear.
5. according to claim 1 or 2, the yakwool bar carding process of yak yarn is propped up for the production of height, it is characterized in that, in the combing process of the 5th step, feeding radical is 8, and back zone drafting multiple is 1.13-1.3, and total draft multiple is 6-11.2, space for 20-25mm, roller diameter is 35 × 27 × 27 × 27 × 27mm, and the speed of a motor vehicle is 160-190 pincers/min, and strip is heavily 9-12g/m surely; Cylinder camber abgle is 90 °-130 °, and top comb density is 32-36 pin/cm, adopt retreat to cotton mode, be 4.7mm to cotton length, control fall suede rate more than 25%, short flannel elimination factor reach more than 75% and the elimination factor of cotton junction impurity more than 80%.
6. according to claim 1 or 2, the yakwool bar carding process of yak yarn is propped up for the production of height, it is characterized in that, in 3rd step, with the weight of second step gained yakwool fiber for benchmark, add the water of the CTA-1880 wool lubricant of 0.6-0.8%, the FX-AS20 antistatic additive of 0.45-0.50% and 5-12% by weight percentage, control regain at 20-25%, balance 12-24h.
7. according to claim 1 or 2, the yakwool bar carding process of yak yarn is propped up for the production of height, it is characterized in that, in the carding process of the 5th step, adopt the technological principle of soft combing, low velocity, gently quantitative, little speed ratio, technological parameter is: feeding roller speed 2.5-4.8r/min, cylinder speed 150-200r/min, doffer speed 8.0-15.0r/min, transferring roller speed 110-150r/min, weight of card sliver 5.0-9.5g/m.
8. prop up the yakwool bar carding process of yak yarn according to claim 7 for the production of height, it is characterized in that, in the pre-drawing operation of the 5th step, technological parameter is: pre-drawing number of doubling is 6, and back zone drafting multiple is 1.06-1.12; Center distance of front roller is 45-48mm, middle district ratch is 41-45mm, back zone ratch is 51-56mm;
5th step article and roll up in operation, technological parameter is: adopt 22-28 root pre-drawing also to close, drafting multiple is 1.28-1.32; Center distance of front roller is 60-66mm, back zone ratch is 62-68mm.
9. prop up a yakwool bar for yak yarn for the production of height, it is characterized in that, the fibre fineness of contained yakwool fiber below 17.5 μm, fibre length is at more than 39mm; The fineness of yarn that described height props up yak down yarn is more than 80Nm; And adopt carding process described in any one of claim 1 to 8 to obtain.
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| CN104389065A (en) * | 2014-12-16 | 2015-03-04 | 江南大学 | Decolored/primary color yakwool blended section-color nicked yarn and production method thereof |
| CN105133110B (en) * | 2015-07-22 | 2017-05-03 | 江南大学 | Production method for long stapled cotton/yakwool blended yarn |
| CN106835370A (en) * | 2016-12-30 | 2017-06-13 | 安徽谢佑圣电子科技有限公司 | A kind of fiber opening equipment |
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| CN1020485C (en) * | 1991-04-11 | 1993-05-05 | 银川六合绒业公司 | Yak fine hair yarn of 20-50 metric counts and its manufacturing method |
| CN1022427C (en) * | 1991-05-30 | 1993-10-13 | 宁夏回族自治区银川第三毛纺织厂 | Pure fine-yak-hair sweater and resultant yarn method |
| WO2007001210A1 (en) * | 2005-06-24 | 2007-01-04 | Andrey Vladimirovich Rezvov | Two-layer base-knitted elastic jersey fabric, knitted hosiery articles and a yarn therefor |
| CN102704098B (en) * | 2012-01-17 | 2013-11-13 | 张家港市中孚达纺织科技有限公司 | Production process of pure-spined combed yak wool |
| CN102704097B (en) * | 2012-01-17 | 2013-12-25 | 张家港市中孚达纺织科技有限公司 | Spinning process of high-count combed yakwool pure woven yarns |
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