CN116180302A - Production process of superfine elastic wrap yarn fabric - Google Patents
Production process of superfine elastic wrap yarn fabric Download PDFInfo
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- CN116180302A CN116180302A CN202310073952.5A CN202310073952A CN116180302A CN 116180302 A CN116180302 A CN 116180302A CN 202310073952 A CN202310073952 A CN 202310073952A CN 116180302 A CN116180302 A CN 116180302A
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- 239000004744 fabric Substances 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000005507 spraying Methods 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 68
- 238000009941 weaving Methods 0.000 claims abstract description 48
- 238000004513 sizing Methods 0.000 claims abstract description 25
- 241000283690 Bos taurus Species 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 7
- 235000014676 Phragmites communis Nutrition 0.000 claims description 6
- 230000014759 maintenance of location Effects 0.000 claims 1
- 238000003860 storage Methods 0.000 claims 1
- 239000004753 textile Substances 0.000 abstract description 3
- 239000007921 spray Substances 0.000 description 15
- 229920000742 Cotton Polymers 0.000 description 10
- 229920002334 Spandex Polymers 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 5
- 239000004759 spandex Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 206010020112 Hirsutism Diseases 0.000 description 1
- 241000168254 Siro Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/56—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads elastic
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
- D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
- D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
- D03D47/3026—Air supply systems
- D03D47/3033—Controlling the air supply
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
- D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
- D03D47/3026—Air supply systems
- D03D47/3033—Controlling the air supply
- D03D47/304—Controlling of the air supply to the auxiliary nozzles
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
- D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
- D03D47/3026—Air supply systems
- D03D47/3053—Arrangements or lay out of air supply systems
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/04—Control of the tension in warp or cloth
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention belongs to the technical field of textile machinery processes, and particularly relates to a production process of an ultrafine elastic wrap yarn fabric. The production process of the superfine elastic wrap yarn fabric comprises the following steps: batch warping, sizing, reeding, on-hook weaving and cropping; wherein: the rotational speed of the weft accumulator in the on-hook weaving process is 1.2-1.6 times of the vehicle speed of 4/2; the main spraying pressure is 0.28-0.3MPa, the main spraying normal pressure value is 60-65%, and the auxiliary spraying pressure is 0.35-0.37MPa. The braking height of the PFT is 4.5-5.5 mm, the braking time is 5-6 ms, and the distance between the last three auxiliary spraying nozzles is 35-39mm. The fabric has the advantages of good drapability, good elasticity of the fabric and fine fabric, reduces the conditions of broken yarn and yarn leakage of the fabric, improves the quality of the fabric, and achieves the first grade rate of the fabric to be more than 99.93 percent.
Description
Technical Field
The invention belongs to the technical field of textile machinery processes, and particularly relates to a production process of an ultrafine elastic wrap yarn fabric.
Background
With the development of society and the change of market, textile products become diversified, and elastic filament fabrics are widely applied to wearing, decoration and the like of people. The elastic filament fabric is generally woven by weft yarn elastic wrapping yarns at present, wherein the inner spandex yarns are generally 40D-50D, the yarns are thicker and have poor hand feeling, and the varieties are easy to pick up and shrink, so that the single weft accumulator is used for on-machine weaving at the rotating speed of 4500 revolutions per minute, the yarns are in tension at all times, the yarns are prevented from shrinking due to relaxation when the weft accumulator picks up, the air injection pressure is controlled to be more than 3.8MPa, and the air injection time is controlled to be more than 120 ℃; in order to make the fabric feel fine and smooth, meet the demands of customers, finer inner spandex yarns are woven, but the inner spandex yarns are finer and are easier to break, so that broken yarns and yarn leakage are caused, the quality of the fabric is affected, and the first-class product rate of the fabric is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a production process of an ultrafine elastic wrapped yarn fabric, which adopts 20D spandex elastic yarns, improves the fineness of the hand feeling of the fabric and solves the problems of easy breakage and easy weft shrinkage.
The production process of the superfine elastic wrap yarn fabric comprises the following steps:
batch warping, sizing, reeding, on-hook weaving and cropping;
wherein:
the main jet time of the air jet loom in the weaving process is 80-85 degrees;
auxiliary spraying time:
a first group of solenoid valves: 90-182,
a second group of solenoid valves: 103-192,
third group of solenoid valves: 116-203,
fourth group of solenoid valves: 129-213,
fifth group of solenoid valves: 141-223,
sixth group of solenoid valves: 154-238,
seventh group of solenoid valves: 167-251,
eighth group of solenoid valves: 179-266,
ninth group of solenoid valves: 192-283,
tenth group of solenoid valves: 205-296,
eleventh group of solenoid valves: 180-20,
twelfth group of solenoid valves: 150-50 degrees,
thirteenth group of solenoid valves: 150-50 degrees,
fourteenth group of solenoid valves: 80-50 degrees;
note that: each solenoid valve is connected with two auxiliary sprays, and the two auxiliary sprays have the same time and total 28 auxiliary sprays.
The braking height of the PFT is 4.5-5.5 mm, the braking time is 5-6 ms, and the distance between the last three auxiliary spraying points is 35-39mm. PFT is the function of braking and pulling back the weft yarn, and the braking force refers to the amplitude of the up-and-down motion of the PFT motor and the time and frequency of braking.
Compact spun yarns are preferably selected as the raw yarns in the same specification, so that the yarns have fewer hairiness and better strength.
The batch warping procedure selects a batch warping machine, and even-numbered shaft warping is used during warping, and the vehicle speed is as follows: 701-800 m/min, yarn pretensioner open for an extended period of time: 2-20 seconds; brake on extension time: 3-20 seconds, the running position of the pretensioner is 5-50 mm, and the roller pressing pressure is carried out: 240-300 minutes of cattle, yarn breakage detector time: 100-400 milliseconds.
The slurry concentration in the sizing process is 7-14.5%, and the vehicle speed is as follows: 40-65 m/min, moisture regain: 4-7.5% of all cotton and polyester cotton products, and the temperature of a pulp tank: 87-93 ℃, yarn-dividing zone tension: 1700-2800 newtons, coiling tension: total number of warp/yarn count (13-18) cow, prebaking temperature: 95-125 ℃, and main baking temperature: 65-90 ℃, beam hardness: 70-75 degrees.
Six warp stop strips are selected in the reed threading procedure, and multiple heddles are adopted.
The speed of the on-hook weaving process is 700-800 revolutions per minute.
On-hook tension in the on-hook weaving process:
30 warp yarn counts or less: (583/England yarn count +10) total warp count on-machine coefficient/100000 kilonewtons,
30 or more warp yarn branches: (583/english yam count +20) ×total warp count on machine coefficient/100000 kilonewtons;
tension coefficient of the upper machine: plain weave and weft heavy flattening: 0.85-0.9,2/1, 3/1, 2/2 diagonal: 1.2-1.5,4/1 satin: 1-1.2.
The Q value of the on-hook weaving process is 55-65%, and the opening amount is 140-170 mm.
The on-hook weaving procedure uses 2 weft accumulators; the weft accumulator is used for placing one weft every 4 circles, and the rotating speed of the weft accumulator is 1.2-1.6 times of the speed of the weaving process; the main spraying pressure is 0.28-0.3MPa.
The main jet normal pressure value of the on-hook weaving process is 60-65%.
The auxiliary spraying pressure of the on-hook weaving process is 0.35-0.37MPa.
Compared with the prior art, the invention has the following beneficial effects:
(1) The production process of the superfine elastic wrapped yarn fabric solves the problems of easy weft shrinkage and easy breakage of the fabric by adjusting the main spraying time and the auxiliary spraying pressure of the air-jet loom and adjusting the auxiliary spraying interval.
(2) According to the production process of the superfine elastic wrapped yarn fabric, the breakage phenomenon of the 20D spandex elastic yarn in the weaving process is reduced by adjusting the on-machine tension, the speed and the speed of the weft accumulator in the on-machine weaving process, the conditions of yarn breakage and yarn leakage of the fabric surface are reduced, and the fabric surface quality is improved.
(3) The production process of the superfine elastic wrapped yarn fabric enables the on-machine efficiency to be more than 98% in the on-machine weaving process, and the first grade rate of the fabric surface to be more than 99.93% after the fabric is dropped.
(4) The fabric prepared by the production process of the superfine elastic wrap yarn fabric has the advantages of good drapability, good fabric elasticity and fine fabric.
Detailed Description
The present invention is further illustrated by the following examples, but the scope of the present invention is not limited thereto.
All materials used in the examples are commercially available, except as specified.
Example 1
The greige fabric gauge SUPIMA100/2 x P50D (span 20D) 119 x 86 x 68,1/1 weave fabric was woven on an air jet loom with 100 ply yarn for warp yarns, 20D stretch filaments for P50D package for weft yarns, 119 warp yarns/inch, 86 weft yarns/inch, 68 inch width, 1/1 plain weave.
The production process of the superfine elastic wrap yarn fabric comprises the following steps:
batch warping, sizing, reeding, on-hook weaving and cropping;
wherein:
the main jet time of the air jet loom in the weaving process is 85 degrees;
auxiliary spraying time:
auxiliary spraying of a first group: 90-182,
auxiliary spraying of a second group: 103-192,
auxiliary spraying of a third group: 116-203,
auxiliary spraying fourth group: 129-213,
auxiliary spraying fifth group: 141-223,
auxiliary spraying of a sixth group: 154-238,
auxiliary spraying seventh group: 167-251,
auxiliary spraying eighth group: 179-266,
auxiliary spraying ninth group: 192-283,
auxiliary spraying tenth group: 205-296,
auxiliary spraying eleventh group: 180-20,
auxiliary spraying twelfth group: 150-50 degrees,
auxiliary spraying thirteenth group: 150-50 degrees,
auxiliary spraying fourteenth group: 80-50 degrees;
note that: each solenoid valve is connected with two auxiliary sprays, and the two auxiliary sprays have the same time and total 28 auxiliary sprays.
Auxiliary spraying spacing is 1 st to 23 rd auxiliary spraying spacing is 74 mm, 24 th to 26 th auxiliary spraying spacing is 37 mm, and finally the 27 th electromagnetic valve and the 28 th electromagnetic valve use stretching auxiliary spraying and stretching air pipes; PFT service brake height 5 mm, brake time 5.5 ms. The main spraying pressure of the on-hook weaving process is 0.3MPa, and the auxiliary spraying pressure is 0.36MPa.
Batch warping machine is selected in batch warping process, the number of hanging yarns is 806, the number of warp beams is 10, and the speed of the warping machine is: 800 m/min, yarn pretensioner on for an extended period of time: 2 seconds; brake on extension time: 3 seconds, pretensioner running position 5 mm, yarn pressing roller pressure: 300 minutes of cattle, broken yarn detector time: 200 milliseconds.
The sizing process sizing machine uses a single-dipping double-pressing sizing machine, the sizing concentration is 9.5%, and the speed is as follows: moisture regain 60 meters/min: full cotton and polyester cotton product 7%, slurry tank temperature: 93 ℃, yarn dividing zone tension: 1900 newtons, coiling tension: 2400 cattle, prebaking temperature: 110 ℃, main baking temperature: 85 ℃, beam hardness: 75 degrees.
Six warp stop strips are selected in the reed threading procedure, and double heddle strings are adopted, and 12-34 warp stop strips are threaded in the same direction.
The speed of the on-hook weaving process is 700 revolutions per minute, and the on-hook tension is as follows: 2.25 kilonewtons; the opening time is 322 deg..
The Q value of the on-hook weaving process is 60%, the main spraying normal pressure value is 60%, and the opening amount is as follows: the first to fourth pages are 170 mm, 160 mm, 150 mm, 140 mm, respectively. The heald frame is 72mm in height, the back beam is 4 grids deep and 4 grids deep, and the drop frame is 0 grid deep and 6 grids high.
The on-hook weaving procedure uses 2 weft accumulators; the accumulator picks up one weft every 4 turns, and the rotation speed of the accumulator is 1800 turns/min.
Example 2
The greige fabric specification SIRO100/2 (P30D) P50D (span 20D) 125 x 80 x 67,1/1 weave fabric was woven on an air jet loom with the warp yarn being SIRO spun 100/2 pack 30D stretch, the weft yarn being P50D pack 20D stretch filaments, the warp density being 125 picks per inch, the weft density being 80 picks per inch, the width being 67 inches, 1/1 plain weave.
The production process of the superfine elastic wrap yarn fabric comprises the following steps:
batch warping, sizing, reeding, on-hook weaving and cropping;
wherein:
the main jet time of the air jet loom in the weaving process is 85 degrees;
wherein:
auxiliary spraying time:
a first group of solenoid valves: 90-182,
a second group of solenoid valves: 103-192,
third group of solenoid valves: 116-203,
fourth group of solenoid valves: 129-213,
fifth group of solenoid valves: 141-223,
sixth group of solenoid valves: 154-238,
seventh group of solenoid valves: 167-251,
eighth group of solenoid valves: 179-266,
ninth group of solenoid valves: 192-283,
tenth group of solenoid valves: 205-296,
eleventh group of solenoid valves: 180-20,
twelfth group of solenoid valves: 150-50 degrees,
thirteenth group of solenoid valves: 150-50 degrees,
fourteenth group of solenoid valves: 80-50 degrees;
note that: each solenoid valve is connected with two auxiliary sprays, and the two auxiliary sprays have the same time and total 28 auxiliary sprays.
Auxiliary spraying spacing is 1 st to 23 rd auxiliary spraying spacing is 74 mm, 24 th to 26 th auxiliary spraying spacing is 37 mm, and finally, the 27 and 28 electromagnetic valves use stretching auxiliary spraying and stretching air pipes; PFT stroke braking height 5 mm, braking time 6 ms. The main spraying pressure of the on-hook weaving process is 0.3MPa, and the auxiliary spraying pressure is 0.36MPa.
Batch warping machine is selected in batch warping process, the number of hanging yarns is 698, the number of warp beams is 12, and the speed of the warping machine is: 750 m/min, yarn pretensioner on for an extended period of time: 4 seconds; brake on extension time: 7 seconds, the pretensioner operating position is 50 mm, and the yarn pressing roller presses: 300 minutes of cattle, broken yarn detector time: 200 milliseconds.
The sizing process sizing machine uses a single-dipping double-pressing sizing machine, the sizing concentration is 10.5%, and the speed is: moisture regain 60 meters/min: full cotton and polyester cotton product 7%, slurry tank temperature: yarn dividing zone tension at 90 ℃): 2000 newtons, coiling tension: 2500 cattle, prebaking temperature: 110 ℃, main baking temperature: 80 ℃, beam hardness: 75 degrees.
Six warp stop strips are selected in the reed threading procedure, and double heddle strings are adopted, and 12-34 warp stop strips are threaded in the same direction.
The speed of the on-hook weaving process is 700 revolutions per minute, and the on-hook tension is as follows: 2.35 kilonewtons; the opening time is 322 deg..
The Q value of the on-hook weaving process is 60%, the main spraying normal pressure value is 60%, and the opening amount is as follows: the first to fourth pages are 170 mm, 160 mm, 150 mm, 140 mm, respectively. The heald frame is 72mm in height, the back beam is 4 grids deep and 4 grids deep, and the drop frame is 0 grid deep and 6 grids high.
The on-hook weaving procedure uses 2 weft accumulators; the accumulator picks up one weft every 4 turns, and the rotation speed of the accumulator is 1800 turns/min.
Example 3
The greige fabric was woven on an air jet loom with a blank gauge CM 60P 50D (span 20D) 190 x 64.5,4/1 weave, warp yarn 60 yarns, weft yarn P50 denier 20 denier stretch filaments, warp density 190 yarns/inch, weft density 130 yarns/inch, width 68 inches, 4/1 satin weave.
The production process of the superfine elastic wrap yarn fabric comprises the following steps:
batch warping, sizing, reeding, on-hook weaving and cropping;
wherein:
the main jet time of the air jet loom in the weaving process is 85 degrees;
wherein:
auxiliary spraying time:
a first group of solenoid valves: 90-182,
a second group of solenoid valves: 103-192,
third group of solenoid valves: 116-203,
fourth group of solenoid valves: 129-213,
fifth group of solenoid valves: 141-223,
sixth group of solenoid valves: 154-238,
seventh group of solenoid valves: 167-251,
eighth group of solenoid valves: 179-266,
ninth group of solenoid valves: 192-283,
tenth group of solenoid valves: 205-296,
eleventh group of solenoid valves: 180-20,
twelfth group of solenoid valves: 150-50 degrees,
thirteenth group of solenoid valves: 150-50 degrees,
fourteenth group of solenoid valves: 80-50 degrees;
note that: each solenoid valve is connected with two auxiliary sprays, and the two auxiliary sprays have the same time and total 28 auxiliary sprays.
Auxiliary spraying spacing is 1 st to 23 rd auxiliary spraying spacing is 74 mm, 24 th to 26 th auxiliary spraying spacing is 37 mm, and finally, the 27 and 28 electromagnetic valves use stretching auxiliary spraying and stretching air pipes; PFT service brake height 5 mm, brake time 5.5 ms. The main spraying pressure of the on-hook weaving process is 0.3MPa, and the auxiliary spraying pressure is 0.36MPa.
The batch warping procedure selects batch warping machines, the number of hanging yarns is 808, the number of warp beams is 16, and the speed of the warping machine is: 800 m/min, yarn pretensioner on for an extended period of time: 2 seconds; brake on extension time: 3 seconds, pretensioner running position 5 mm, yarn pressing roller pressure: 240 minutes of cattle, broken yarn detector time: 200 milliseconds.
The sizing process sizing machine uses a single-dipping double-pressing sizing machine, the sizing concentration is 13 percent, and the speed is as follows: 55 m/min, moisture regain: full cotton and polyester cotton product 7%, slurry tank temperature: 93 ℃, yarn dividing zone tension: 2100 newtons, coiling tension: 3000 cattle, prebaking temperature: 115 ℃, main baking temperature: 85 ℃, beam hardness: 75 degrees.
Six warp stop strips are selected in the reed threading procedure, and a multi-row heald wire is adopted, so that 234-562-345-623-456 is threaded in three directions.
The speed of the on-hook weaving process is 650 revolutions per minute, and the on-hook tension is as follows: 4 kilonewtons; the opening time is 299 °.
The Q value of the on-hook weaving process is 60%, the main spraying normal pressure value is 60%, and the opening amount is as follows: the first to sixth pages are 150 mm, 140 mm, respectively. The heald frame is 88mm in height, the back beam is 2 grids deep and 6 grids deep, and the drop frame is 1 grid deep and 6 grids high.
The on-hook weaving procedure uses 2 weft accumulators; the accumulator picks up one weft every 4 turns, and the rotation speed of the accumulator is 1800 turns/min.
Comparative example 1
The greige fabric gauge SUPIMA100/2 x P50D (span 20D) 119 x 86 x 68,1/1 weave fabric was woven on an air jet loom with 100 ply yarn for warp yarns, 20D stretch filaments for P50D package for weft yarns, 119 warp yarns/inch, 86 weft yarns/inch, 68 inch width, 1/1 plain weave.
The conventional production process of the superfine elastic wrap yarn fabric comprises the following steps:
batch warping, sizing, reeding, on-hook weaving and cropping;
wherein:
the main jet time of the air jet loom in the weaving process is 105 degrees;
auxiliary spraying time:
auxiliary spraying of a first group: 90-192,
auxiliary spraying of a second group: 102-202,
auxiliary spraying of a third group: 115-213,
auxiliary spraying fourth group: 127-223,
auxiliary spraying fifth group: 140-233,
auxiliary spraying of a sixth group: 151-248,
auxiliary spraying seventh group: 165-261,
auxiliary spraying eighth group: 174-276,
auxiliary spraying ninth group: 190-293,
auxiliary spraying tenth group: 203-306,
auxiliary spraying eleventh group: 170-40 degrees,
auxiliary spraying twelfth group: 160-70,
auxiliary spraying thirteenth group: 160-70,
auxiliary spraying fourteenth group: 80-50 degrees;
note that: each solenoid valve is connected with two auxiliary sprays, and the two auxiliary sprays have the same time and total 28 auxiliary sprays.
Auxiliary spraying spacing 1-26 auxiliary spraying spacing 74 mm, and finally, the 27 th and 28 th electromagnetic valves use stretching auxiliary spraying and stretching air pipes; PFT service brake height 6 mm, brake time 6.5 ms. The main spraying pressure of the on-hook weaving process is 0.37MPa, and the auxiliary spraying pressure is 0.37MPa.
Batch warping machine is selected in batch warping process, the number of hanging yarns is 806, the number of warp beams is 10, and the speed of the warping machine is: 800 m/min, yarn pretensioner on for an extended period of time: 2 seconds; brake on extension time: 3 seconds, pretensioner running position 5 mm, yarn pressing roller pressure: 300 minutes of cattle, broken yarn detector time: 200 milliseconds.
The sizing process sizing machine uses a single-dipping double-pressing sizing machine, the sizing concentration is 9.5%, and the speed is as follows: moisture regain 60 meters/min: full cotton and polyester cotton product 7%, slurry tank temperature: 93 ℃, yarn dividing zone tension: 1900 newtons, coiling tension: 2400 cattle, prebaking temperature: 110 ℃, main baking temperature: 85 ℃, beam hardness: 75 degrees.
Six warp stop strips are selected in the reed threading procedure, and double heddle strings are adopted, and 12-34 warp stop strips are threaded in the same direction.
The speed of the on-hook weaving process is 700 revolutions per minute, and the on-hook tension is as follows: 2.1 kilonewtons; the opening time is 299 °.
The Q value of the on-hook weaving process is 80%, the normal pressure value of the main jet is 80%, and the opening amount is as follows: the first to fourth pages are 160 mm, 150 mm, 140 mm, 130 mm, respectively. The heald frame is 70mm in height, the back beam is 4 grids deep and 4 grids deep, and the drop frame is 0 grid deep and 6 grids high.
The on-hook weaving procedure uses 1 weft accumulator; the accumulator picks up one weft every 4 turns, and the rotation speed of the accumulator is 4000 rpm.
Cloth cover quality detection standard: scoring criteria for the quartered appearance defects are shown in table 1:
TABLE 1
| Size of defect | Score of defect |
| 3 inches or less | 1 minute |
| 3 to 6 inches | 2 minutes |
| 6 to 9 inches | 3 minutes |
| 9 inches to 1 meter | 4 minutes |
Remarks: the cumulative score in 1 meter is at most 4 points, and all holes are uniformly scored for 4 points no matter the size.
(1) The single coil is classified as a first grade product within 20 minutes/100 yards, and the whole batch is classified as a first grade product within 16 minutes/100 yards;
(2) The single-coil buckle is divided into two products at 20-60 min/100 code;
(3) The single coil is three-grade with the score exceeding 60 minutes/100 yards.
Wherein, 1 code is equal to 0.9144 meters.
Weft shrinkage: the weft yarn is twisted and woven into the cloth or looped on the cloth cover.
Claims (10)
1. The production process of the superfine elastic wrap yarn fabric is characterized by comprising the following steps of:
batch warping, sizing, reeding, on-hook weaving and cropping;
wherein:
the main jet time of the air jet loom in the weaving process is 80-85 degrees;
auxiliary spraying time:
a first group of solenoid valves: 90-182,
a second group of solenoid valves: 103-192,
third group of solenoid valves: 116-203,
fourth group of solenoid valves: 129-213,
fifth group of solenoid valves: 141-223,
sixth group of solenoid valves: 154-238,
seventh group of solenoid valves: 167-251,
eighth group of solenoid valves: 179-266,
ninth group of solenoid valves: 192-283,
tenth group of solenoid valves: 205-296,
eleventh group of solenoid valves: 180-20,
twelfth group of solenoid valves: 150-50 degrees,
thirteenth group of solenoid valves: 150-50 degrees,
fourteenth group of solenoid valves: 80-50 degrees;
the braking height of the PFT is 4.5-5.5 mm, the braking time is 5-6 ms, and the distance between the last three auxiliary spraying points is 35-39mm.
2. The process for producing ultra-fine elastic wrap yarn fabric according to claim 1, wherein the batch warping step is a batch warping machine, and warping is performed by using even axes during warping, and the vehicle speed is: 701-800 m/min, yarn pretensioner open for an extended period of time: 2-20 seconds; brake on extension time: 3-20 seconds, the running position of the pretensioner is 5-50 mm, and the roller pressing pressure is carried out: 240-300 minutes of cattle, yarn breakage detector time: 100-400 milliseconds.
3. The process for producing ultra-fine elastic wrap yarn fabric according to claim 1, wherein the sizing process slurry concentration is 7-14.5%, and the vehicle speed is: 40-65 m/min, slurry tank temperature: 87-93 ℃, yarn-dividing zone tension: 1700-2800 newtons, coiling tension: total number of warp/yarn count (13-18) cow, prebaking temperature: 95-125 ℃, and main baking temperature: 65-90 ℃, beam hardness: 70-75 degrees.
4. The process for producing the ultra-fine elastic wrap yarn fabric according to claim 1, wherein six stop strips are selected in the reed threading procedure, and multiple heddles are adopted.
5. The process for producing ultra-fine elastic wrap yarn fabric according to claim 1, wherein the on-hook weaving process is carried out at a speed of 700-800 rpm.
6. The process for producing ultra-fine elastic wrap yarn fabric according to claim 5, wherein the on-hook weaving process has an on-hook tension:
30 warp yarn counts or less: (583/England yarn count +10) total warp count on-machine coefficient/100000 kilonewtons,
30 or more warp yarn branches: (583/english yam count +20) ×total warp count on machine coefficient/100000 kilonewtons;
tension coefficient of the upper machine: plain weave and weft heavy flattening: 0.85-0.9,2/1, 3/1, 2/2 diagonal: 1.2-1.5,4/1 satin: 1-1.2.
7. The process for producing ultra-fine elastic wrap yarn fabric according to claim 1, wherein the on-hook weaving process Q value is 55-65%, and the opening amount is 140-170 mm.
8. The process for producing ultra-fine elastic wrap yarn fabric according to claim 1, wherein the on-hook weaving process uses 2 weft storages; the weft accumulator is used for placing one weft every 4 circles, and the rotating speed of the weft accumulator is 1.2-1.6 times of the speed of the weaving process; the main spraying pressure is 0.28-0.3MPa.
9. The process for producing ultra-fine elastic wrap yarn fabric according to claim 1, wherein the main jet normal pressure value of the on-hook weaving process is 60-65%.
10. The process for producing ultra-fine elastic wrap yarn fabric according to claim 1, wherein the auxiliary jet pressure of the on-hook weaving process is 0.35-0.37MPa.
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| CN201162097Y (en) * | 2007-12-25 | 2008-12-10 | 天津天纺投资控股有限公司 | Purified cotton high grade weft elastic extraction strip fabric |
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