CN109883827A - A kind of spandex filament dynamic unwinds the detection method of stress and maximum drafting ratio - Google Patents
A kind of spandex filament dynamic unwinds the detection method of stress and maximum drafting ratio Download PDFInfo
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- CN109883827A CN109883827A CN201910141365.9A CN201910141365A CN109883827A CN 109883827 A CN109883827 A CN 109883827A CN 201910141365 A CN201910141365 A CN 201910141365A CN 109883827 A CN109883827 A CN 109883827A
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Abstract
The present invention provides the detection method of a kind of spandex filament dynamic unwinding stress and maximum drafting ratio, and steps are as follows: peelling off the tailfiber 1-2g on spandex thread volume to be measured surface；Spandex thread volume is resisted against on unwinding conveying roller；Extraction spandex thread is wound on first roller and the second roller；Spandex thread is hung on the force value detector being arranged between first roller and the second roller；The speed of adjustment conveying roller and first roller, the speed of the second roller accelerate 10m/min on the basis of first roller speed every time, and the length detected every time is 100m；The force value detector detects in the whole process and records spandex filament dynamic unwinding stress i.e. dynamic unwinding tension, until spandex thread is broken, the speed of the second roller when recording fracture is finally converted into the dynamic unwinding maximum drafting ratio of spandex filament.The present invention can accurately determine the spandex filament dynamic unwinding force value and dynamic unwinding maximum drafting ratio of different model, can provide better product Guide to Use to downstream client.
Description
[technical field]
The present invention relates to the detection methods that a kind of spandex filament dynamic unwinds stress and maximum drafting ratio.
[background technique]
The static force value index of spandex filament is rolled up to single silk, and the single a bit of silk of Xie Sihou is detected, not
Spandex filament dynamic force value index during unwinding can be embodied.Since the type of spandex filament is more, the ammonia of different cultivars
The tensile property of synthetic fibre silk differs greatly, and the force value difference under same stretch ratio is also larger.Different fabrics need different model
Spandex filament, in order to give client to provide better product Guide to Use, the dynamic stress and maximum drafting of spandex filament are than inspection
Survey method is particularly important.
The dynamic of spandex filament unwinds stress, usually client in use, using tension instrument to single fiber
A detection is repeatedly taken, it is on the one hand inconvenient to use, if on the other hand dynamic stress is too large or too small all can not timely adjust
It is whole.Spandex filament dynamic unwinding maximum drafting ratio, is typically also that client looks in test suitable spandex product, to prevent
The case where draw ratio more than spandex receiving leads to spandex fracture of wire.Such efficiency is lower, and higher cost.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of spandex filament dynamic unwinding stress and maximum drafting ratio
Detection method can accurately determine the spandex filament dynamic unwinding force value and dynamic unwinding maximum drafting of different model
Than better product Guide to Use, and the adjustment for instructing technological parameter can be provided to downstream client.
The present invention is implemented as follows:
A kind of spandex filament dynamic unwinds the detection method of stress and maximum drafting ratio, the method comprises the following steps:
Step 1. peels off the tailfiber 1-2g on spandex thread volume to be measured surface；
Spandex thread volume is resisted against on unwinding conveying roller by step 2.；
Step 3. extraction spandex thread is wound on first roller and the second roller, and 5-10 circle is wound on first roller,
The circle number wound on second roller 2 circle more than first roller；
It is provided with force value detector between step 4. first roller and the second roller, spandex thread is hung over into the force value and is detected
On device, the force value detector is for detecting spandex thread tension between first roller and the second roller；
The speed of step 5. adjustment conveying roller is 50m/min, and the speed of first roller is identical as the conveying speed of roller,
The speed of second roller accelerates 10m/min every time on the basis of 50m/min, and the length detected every time is 100m；
Force value detector described in step 6. detects in the whole process and records spandex filament dynamic unwinding stress i.e. dynamic
Spandex filament dynamic unwinding stress under different draw ratios can be obtained in unwinding tension；
Until spandex thread is broken, the speed of the second roller when record is broken finally is converted into the dynamic unwinding of spandex filament
Maximum drafting than=fracture when the second roller speed/first roller speed.
Further, the force value detector is tensiometer.
Further, the spandex filament dynamic unwinding stress value chosen under 5 same draw ratios is averaging, which is
The true value of stress value is unwound for the spandex filament dynamic under corresponding draw ratio.
The present invention has the advantage that
1, the spandex filament dynamic unwinding force value and dynamic unwinding maximum drafting ratio of different model can be accurately determined,
Better product Guide to Use can be provided to downstream client.2, having the spandex thread of unwinding product quality problem can timely send out
It is existing, instruct technical arrangement plan.3, method is simple to operation, high-efficient, and operating cost is low.
[Detailed description of the invention]
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is that detection method of the invention is intended to.
[specific embodiment]
Referring to Fig.1, described the present invention relates to the detection method that a kind of spandex filament dynamic unwinds stress and maximum drafting ratio
Method and step is as follows:
Step 1. peels off the tailfiber 1-2g that spandex thread to be measured rolls up 1 surface；
Spandex thread volume 1 is resisted against on unwinding conveying roller 2 by step 2.；
Step 3. extraction spandex thread 3 is wound on first roller 4 and the second roller 5, and winds 5-10 on first roller 4
It encloses, the circle number wound on the second roller 5 is enclosed than first roller more than 42；
It is provided with force value detector 6 between step 4. first roller 4 and the second roller 5, spandex thread 3 is hung over into the force value
On detector 6, the force value detector 6 is for detecting 3 tension of spandex thread between first roller 4 and the second roller 5；
The speed of step 5. adjustment conveying roller 2 is 50m/min, the speed and the speed phase of conveying roller 2 of first roller 4
Together, the length that the speed of the second roller 5 accelerates 10m/min every time on the basis of 50m/min, and detects every time is 100m；
Force value detector 6 described in step 6. detects and to record spandex filament dynamic in the whole process (not including accelerator)
State unwinds stress, that is, dynamic unwinding tension, and spandex filament dynamic unwinding stress under different draw ratios can be obtained；
Until spandex thread 3 is broken, the speed of the second roller 5, the dynamic for being finally converted into spandex filament are moved back when record is broken
Around maximum drafting than=fracture when the second roller speed/first roller speed；
The silk compressed air hose 7 that the unwinding of second roller of step 7. 5 comes out is drawn in waste silk bucket 8.
The force value detector 6 is tensiometer.
The spandex filament dynamic unwinding stress value chosen under 5 same draw ratios is averaging, and the average value is as corresponding
Spandex filament dynamic under draw ratio unwinds the true value of stress value.
Below in conjunction with specific embodiment, the present invention is further illustrated.
Embodiment: by the spandex of four batches, each batch takes the single silk of two different stations to roll up, and locates according to the following steps
Reason:
Step 1. peels off the tailfiber 1g that spandex thread to be measured rolls up 1 surface；
Spandex thread volume 1 is resisted against on unwinding conveying roller 2 by step 2.；
Step 3. extraction spandex thread 3 is wound on first roller 4 and the second roller 5, and 6 circle of winding on first roller 4,
8 circle of winding on second roller 5；
It is provided with force value detector 6 between step 4. first roller 4 and the second roller 5, spandex thread 3 is hung over into the force value
On detector 6, the force value detector 6 is for detecting 3 tension of spandex thread between first roller 4 and the second roller 5；
The speed of step 5. adjustment conveying roller 2 is 50m/min, the speed and the speed phase of conveying roller 2 of first roller 4
Together, the length that the speed of the second roller 5 accelerates 10m/min every time on the basis of 50m/min, and detects every time is 100m；
Force value detector 6 described in step 6. detects in the whole process and records spandex filament dynamic unwinding stress i.e. dynamic
It is long that spandex filament dynamic unwinding stress, the spandex chosen under 5 same draw ratios under different draw ratios can be obtained in unwinding tension
Silk dynamic unwinding stress value is averaging, which is the true of the spandex filament dynamic unwinding stress value under corresponding draw ratio
Real value；The draw ratio=the second roller speed/first roller speed；
Until spandex thread 3 is broken, the speed of the second roller 5, the dynamic for being finally converted into spandex filament are moved back when record is broken
Around maximum drafting than=fracture when the second roller speed/first roller speed；
The silk compressed air hose 7 that the unwinding of second roller of step 7. 5 comes out is drawn in waste silk bucket 8.The force value detector 6
For tensiometer.
Specific data see the table below 1:
1 different batches spandex thread of table rolls up the corresponding stress true value of each draw ratio
The present invention has the advantage that
1, the spandex filament dynamic unwinding force value and dynamic unwinding maximum drafting ratio of different model can be accurately determined,
Better product Guide to Use can be provided to downstream client.2, having the spandex thread of unwinding product quality problem can timely send out
It is existing, instruct technical arrangement plan.3, method is simple to operation, high-efficient, and operating cost is low.
Although specific embodiments of the present invention have been described above, those familiar with the art should be managed
Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, it is familiar with this
The technical staff in field should be covered of the invention according to modification and variation equivalent made by spirit of the invention
In scope of the claimed protection.
Claims (3)
1. the detection method that a kind of spandex filament dynamic unwinds stress and maximum drafting ratio, it is characterised in that: the method step
It is as follows:
Step 1. peels off the tailfiber 1-2g on spandex thread volume to be measured surface；
Spandex thread volume is resisted against on unwinding conveying roller by step 2.；
Step 3. extraction spandex thread is wound on first roller and the second roller, and 5-10 circle is wound on first roller, and second
The circle number wound on roller 2 circle more than first roller；
It is provided with force value detector between step 4. first roller and the second roller, spandex thread is hung over into the force value detector
On, the force value detector is for detecting spandex thread tension between first roller and the second roller；
The speed of step 5. adjustment conveying roller is 50m/min, and the speed of first roller is identical as the conveying speed of roller, second
The speed of roller accelerates 10m/min every time on the basis of 50m/min, and the length detected every time is 100m；
Force value detector described in step 6. detects in the whole process and records the i.e. dynamic of spandex filament dynamic unwinding stress and unwinds
Spandex filament dynamic unwinding stress under different draw ratios can be obtained in tension；
Until spandex thread is broken, the speed of the second roller when being broken is recorded, the dynamic unwinding for being finally converted into spandex filament is maximum
Speed/first roller speed of second roller when draw ratio=fracture.
2. a kind of spandex filament dynamic according to claim 1 unwinds the detection method of stress and maximum drafting ratio, special
Sign is: the force value detector is tensiometer.
3. a kind of spandex filament dynamic according to claim 1 unwinds the detection method of stress and maximum drafting ratio, special
Sign is: the spandex filament dynamic unwinding stress value chosen under 5 same draw ratios is averaging, which is corresponding lead
Stretch the true value that the spandex filament dynamic than under unwinds stress value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910141365.9A CN109883827A (en) | 2019-02-26 | 2019-02-26 | A kind of spandex filament dynamic unwinds the detection method of stress and maximum drafting ratio |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910141365.9A CN109883827A (en) | 2019-02-26 | 2019-02-26 | A kind of spandex filament dynamic unwinds the detection method of stress and maximum drafting ratio |
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| CN109883827A true CN109883827A (en) | 2019-06-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110297078A (en) * | 2019-07-10 | 2019-10-01 | 上海枭腾纺织科技有限公司 | Spandex maximum drafting compares tester |
| CN110308037A (en) * | 2019-07-30 | 2019-10-08 | 上海枭腾纺织科技有限公司 | Spandex stretches by force tester active unwinding device |
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| EP3290893A1 (en) * | 2016-09-05 | 2018-03-07 | Rosendahl Nextrom GmbH | Apparatus and method for tensile testing |
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| CN208150653U (en) * | 2018-04-09 | 2018-11-27 | 长乐恒申合纤科技有限公司 | A kind of spandex unwinding device |
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2019
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| CN2336349Y (en) * | 1997-04-28 | 1999-09-01 | 武汉工业大学 | Fibre winding tension measuring controlling apparatus |
| DE19729821C2 (en) * | 1997-07-11 | 2000-03-23 | Witels App Masch Albert Gmbh | Measuring device for determining properties of a profiled or strip or wire or multi-wire straightening material |
| CN103287898A (en) * | 2012-02-23 | 2013-09-11 | 赛林玛有限责任公司 | A detection roll for detecting the tension and tension-stretching system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110297078A (en) * | 2019-07-10 | 2019-10-01 | 上海枭腾纺织科技有限公司 | Spandex maximum drafting compares tester |
| CN110308037A (en) * | 2019-07-30 | 2019-10-08 | 上海枭腾纺织科技有限公司 | Spandex stretches by force tester active unwinding device |
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Application publication date: 20190614 |
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