CN109298164A - A kind of fibre bundle exhibition yarn performance testing device and test method - Google Patents
A kind of fibre bundle exhibition yarn performance testing device and test method Download PDFInfo
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- CN109298164A CN109298164A CN201811399184.8A CN201811399184A CN109298164A CN 109298164 A CN109298164 A CN 109298164A CN 201811399184 A CN201811399184 A CN 201811399184A CN 109298164 A CN109298164 A CN 109298164A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/36—Textiles
- G01N33/365—Textiles filiform textiles, e.g. yarns
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Abstract
The application provides a kind of fibre bundle exhibition yarn performance testing device and test method, and especially suitable for carbon fiber production field, described device includes: controller and what is be arranged move back gauze frame, track and Chan Sha mechanism automatically；The Chan Sha mechanism includes the horizontally disposed live spindle for being parallel to track, the winding roller being set in live spindle and the driving motor for driving live spindle rotation；Walking dolly is provided on the track；Guide roller structure is provided on the walking dolly；The guide roller structure is equipped with tension sensor.The application can disposably acquire multiple valid data, more can intuitive, system evaluation fibre bundle exhibition yarn performance；This method has having great advantage in carbon fiber exhibition yarn aspect of performance compared with prior art, this method both can be evaluated carbon fiber in prepreg production process and open up yarn performance, the exhibition yarn performance that carbon fibre tow during the winding process such as pressure vessel, pipeline can be evaluated again, has very strong directive significance to carbon fiber product processing technology.
Description
Technical field
The present invention relates to a kind of fibre property test device and test methods more particularly to a kind of fibre bundle to open up yarn performance
Test device and test method.
Background technique
With the rapid development of economy, China maintains sustained and rapid growth to the demand of fiber especially carbon fiber, at
For the most active carbon fiber growing market with market potential in the whole world.Carbon fiber is extensive as a kind of excellent reinforcing material
Applied to fields such as aerospace, rail traffic, wind-power electricity generation, Leisure Sports.Wherein, pressure vessel and prepreg production are two
A important sub- direction.In pressure vessel and prepreg production, the exhibition yarn performance of carbon fibre tow is to evaluate its processing technology
Important indicator, the exhibition yarn width such as fiber is small, then the Pressure Vessel Wound technique number of plies is few, reduce composite material in carbon fiber it is strong
Degree plays efficiency, influences pressure vessel quality；If the exhibition yarn width of fiber is uneven, it can generate and take between prepreg fibre bundle
It connects or gap, influences to presoak charge level density and appearance, reduce the performance of carbon fibre reinforced composite.Therefore fiber exhibition appropriate
Yarn width and preferable exhibition yarn stability are to prepare the important prerequisite of high-performance carbon fibre enhancing composite material.
Currently, Jiangsu perseverance mind provides one kind in prepreg production process, carbon fibre tow opens up yarn performance test dress
It sets and the exhibition yarn width and exhibition yarn of carbon fiber can be evaluated in test method (patent No.: ZL 201610972149.5), the test method
Rate, but data collection capacity is small, and discreteness is big, and can only evaluate exhibition yarn width of the tow in prepreg production, cannot evaluate exhibition
Yarn width stability, broadening distribution trend etc. do not have pressure vessel etc. using the composite product around moulding process
Directive significance.
Summary of the invention
The application provides to solve above-mentioned technical problem.
The application is adopted the technical scheme that: a kind of fibre bundle exhibition yarn performance testing device, which is characterized in that packet
It includes:
Controller moves back gauze frame, track and Chan Sha mechanism with what is be arranged automatically；
The Chan Sha mechanism includes the horizontally disposed live spindle for being parallel to track, the winding being set in live spindle
The driving motor of roller and driving live spindle rotation；
Walking dolly is provided on the track；Guide roller structure is provided on the walking dolly: for will be from moving back gauze
The silk thread backed off on frame is delivered on the winding roller and winds；
The guide roller structure is equipped with tension sensor, is configured to the transmission tension of yarn in detection transmission；
The controller is configured to: controlling the revolving speed of the driving motor so that the revolving speed of driving motor and walking are small
The speed of travel of vehicle matches；It receives the tension signal of tension sensor and is sent to and described move back gauze frame automatically；
It is described to move back gauze frame automatically and be configured to: to receive the tension signal and increased or decreased according to the tension signal
Fibre bundle moves back thread tension.
Further, the controller is configured specifically for:
The revolving speed of the movement velocity and driving motor that control the walking dolly meets following formula:
V1≥L+n；0≤n≤m；
Wherein: L is setting exhibition yarn width；
N is setting exhibition yarn width adjusting value；
M is that exhibition yarn width allows maximal regulated value.
Further, the guide roller structure includes at least a pair of of guide roller set, and each pair of guide roller set includes along fibre bundle
The arrangement of transmission direction sequence and staggered upper deflector roll and lower guide roll up and down.
Further, a mouth is fixed in the middle part of walking dolly one end adjacent with Chan Sha mechanism.
Further, induction roller is provided on the walking dolly；The induction roller includes fixing axle and covers in fixing axle
On turnbarrel；The lower section by close end of the fixing axle is arranged in the tension sensor, and connects with the fixing axle
Touching connection.
Further, the winding roller is equipped with the dimension line parallel with winding roller axis, for measuring wind-up roll
The width of each loop yarn line on cylinder.
A method of yarn performance being opened up using above-mentioned fibre bundle exhibition yarn performance testing device test fibre bundle, it is special
Sign is, comprising the following steps:
Automatically the end drawing-off of the fibre bundle moved back on gauze frame is fixed on after the walking dolly on track and twines yarn
The winding roller surface of mechanism；
Gauze frame, walking dolly and rotating electric machine are moved back in starting automatically；
Control moves back gauze frame and moves back silk to set tension；
Control the revolving speed matching of walking dolly and rotating electric machine；
Judge to stop moving back gauze frame, walking dolly and rotating electric machine automatically after driving motor rotation sets fixing turn；
The width of each loop yarn line on statistics winding roller；
Draw yarn width distribution histogram；
It counts maximum value, minimum value and the high frequency values of each loop yarn line width, calculates the average value, steady of yarn exhibition yarn width
Qualitative and exhibition yarn rate.
Exhibition yarn width stability indicates that be denoted as C.V.%, calculation formula is as follows using " coefficient of variation % ":
C.V.%=σ/| Z | × 100%；
Z=(∑ Zi)/n；
Wherein: Z is the average value that fibre bundle opens up yarn width；
ZiYarn width measurement is opened up for fibre bundle；
σ is that fibre bundle exhibition yarn width criteria is poor；
It is as follows to open up yarn rate calculation formula:
Open up yarn rate %=(Z-Z0)/Z0× 100%；
Wherein: Z is the average value that fibre bundle opens up yarn width；
Z0The average value of tow width before yarn is opened up for fibre bundle.
Further, moving back gauze frame moves back silk to set tension automatically for the control specifically:
Receive the tension signal of the tension sensor induction sent by controller；
When judging that the tension signal is less than setting tension, thread tension is moved back in raising；
When judging that the tension signal is greater than setting tension, thread tension is moved back in reduction；
When judging that the tension signal is equal to setting tension, it is constant that thread tension is moved back in maintenance.
Further, the range for setting tension is 5N-80N.
Further, the revolving speed matching of the control walking dolly and rotating electric machine specifically:
The revolving speed of the movement velocity and driving motor that control the walking dolly meets following formula:
V1≥L+n；0≤n≤m；
Wherein: L is setting exhibition yarn width；
N is setting exhibition yarn width adjusting value；
M is that exhibition yarn width allows maximal regulated value.
The application has the advantages and positive effects of: a kind of fibre bundle exhibition yarn performance testing device of the application and survey
Method for testing can disposably acquire multiple valid data, more can intuitive, system evaluation fibre bundle exhibition yarn performance；And the party
Method has having great advantage in carbon fiber exhibition yarn aspect of performance compared with prior art, and this method both can be evaluated in prepreg production process
Carbon fiber opens up yarn performance, and the exhibition yarn performance of carbon fibre tow during the winding process such as pressure vessel, pipeline can be evaluated, to carbon
Fiber part processing technology has very strong directive significance.
The technical issues of in addition to the application described above solution, constitutes the technical characteristic of technical solution and by these
Except advantage brought by the technical characteristic of technical solution, wrapped in other technologies problem that the application can solve, technical solution
Advantage brought by the other technical characteristics contained and these technical characteristics, makees further details of hereinafter in conjunction with attached drawing
Explanation.
Detailed description of the invention
Fig. 1 is a kind of fibre bundle exhibition yarn performance testing device structural schematic diagram of the application；
Fig. 2 is that the application incudes roller and tension sensor structural schematic diagram；
Fig. 3 is the exhibition yarn width distribution histogram of the specific testing example of the application.
In figure: 1 controller；2 move back gauze frame automatically；3 tracks；4 Chan Sha mechanisms；410 live spindles；420 winding rollers；
430 driving motors；5 walking dollies；6 guide roller structures；610 guide roller sets；7 tension sensors；8 mouths；9 induction rollers；910 is fixed
Axis；920 turnbarrels
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As depicted in figs. 1 and 2, a kind of fibre bundle opens up yarn performance testing device, comprising: controller 1 and is arranged
Automatically gauze frame 2, track 3 and Chan Sha mechanism 4 are moved back；The Chan Sha mechanism 4 includes the horizontally disposed rotation master for being parallel to track 3
Axis 410, the winding roller 420 being set in live spindle 410 and the driving motor 430 for driving live spindle 410 to rotate；It is described
Walking dolly 5 is provided on track 3；Guide roller structure 6 is provided on the walking dolly 5: for that will move back gauze frame 2 from automatic
The silk thread backed off is delivered on the winding roller 420 and winds.
The guide roller structure 6 is equipped with tension sensor 7, is configured to the transmission tension of yarn in detection transmission.
The controller 1 is configured to: controlling the revolving speed of the driving motor 430 so that the revolving speed of driving motor 430 with
The speed of travel of walking dolly 5 matches；It receives the tension signal of tension sensor 7 and is sent to and described move back gauze frame 2 automatically.
It is described to move back gauze frame 2 automatically and be configured to: to receive the tension signal and improved or dropped according to the tension signal
Low fibre bundle moves back thread tension.
Controller 1 obtains tow tension size cases by tension sensor 7 in above scheme, and tension signal is sent
To gauze frame 2 is moved back automatically, convenient for moving back control of the gauze frame 2 to fibre bundle tension automatically, facilitate fibre bundle exhibition yarn performance
Accurate evaluation.
In a preferred embodiment, the controller 1 is configured specifically for:
The revolving speed of the movement velocity and driving motor 430 that control the walking dolly 5 meets following formula:
V1≥L+n；0≤n≤m；
Wherein: L is setting exhibition yarn width；
N is setting exhibition yarn width adjusting value；
M is that exhibition yarn width allows maximal regulated value.
Exhibition yarn width L is set as calibration exhibition yarn width, calibration exhibition yarn width is that a large amount of high-quality allied fiber tow exhibition yarns are wide
Spend the average value of measurement；Opening up yarn width allows maximal regulated value m to be that a large amount of high-quality allied fiber tow open up yarn width relative Calibration
Open up the maximum value of yarn width offset.
Controller 1 controls the movement velocity of the walking dolly 5 and the revolving speed phase of driving motor 430 in the present embodiment
Match, i.e., controller 1 controls the walking dolly speed of travel in orbit and fibre bundle the twining in axial direction on winding roller
Match around speed, is convenient for fibre bundle uniform winding on winding roller 420, is conducive to the accurate of fibre bundle exhibition yarn performance
Judgement, convenient for instructing fibre process.
In a preferred embodiment, the guide roller structure 6 includes at least a pair of of guide roller set, and each pair of guide roller set includes edge
The transmission direction sequence arrangement of fibre bundle and up and down staggered upper deflector roll and lower guide roll.
In a preferred embodiment, a mouth 8 is fixed in the middle part of the walking dolly 5 one end adjacent with Chan Sha mechanism 4.Silk
The fixation of tow direction of travel is convenient in the setting of mouth 8, avoids swinging in tow walking process, causes tow in winding roller
Superposition is wound on 420.
In a preferred embodiment, induction roller 9 is provided on the walking dolly 5；The induction roller 9 includes fixing axle
910 and cover the turnbarrel 920 in fixing axle；The tension sensor 7 be arranged in the fixing axle 910 by close end
Lower section, and connected with the fixing axle 910.
In the present embodiment, it is connected between turnbarrel 920 and fixing axle 910 by bearing, walking dolly 5 is in transmitting fiber tow
The mounting plate of fixing axle 910 is placed in the two sides setting in defeated direction；It is horizontal on mounting plate to offer the peace passed through for fixing axle 910
Hole is filled, the tension sensor 7 for example can be set in the bottom surface of any one mounting hole, with the end of corresponding fixing axle 910
Portion connects, and the pressing force for the fiber received is passed for incuding fixing axle 910.
When test, turnbarrel 920 is rotated in the effect of fibre bundle frictional force, while the downward active force of tow is through revolving
Rotaring sleeve 920 passes to fixing axle 910, which is passed to the tension below 910 end of fixing axle and sensed by fixing axle 910
Device 7, tension sensor 7 incude the size of the active force and are transferred to connected controller 1, this kind of structure is convenient for and tension
The variation of tension in the 1 real-time monitoring fibre bundle transmission process of controller that sensor 7 connects, and tension signal is sent to certainly
It is dynamic to move back gauze frame 2, facilitate the accurate control for moving back gauze frame 2 automatically to tension suffered by fibre bundle.
In a preferred embodiment, the winding roller 420 is equipped with the dimension line parallel with winding 420 axis of roller,
For measuring the width of each loop yarn line on winding roller 420.One or more dimension line is provided on winding roller 420 to be convenient for
Rapid survey winds the width of each loop yarn line on roller 420, facilitates the exhibition yarn performance of Fast Evaluation fibre bundle, mentions significantly
High working efficiency.
Method of the application using above-mentioned fibre bundle exhibition yarn performance testing device test fibre bundle exhibition yarn performance, packet
Include following steps:
Automatically the end drawing-off of the fibre bundle moved back on gauze frame 2 is fixed on after the walking dolly 5 on track 3 and is twined
420 surface of winding roller of yarn mechanism 4.
Gauze frame 2, walking dolly 5 and driving motor 430 are moved back in starting automatically.
Setting moves back gauze frame 2 automatically and controls tension, and moving back gauze frame 2 moves back silk to set tension automatically for control.
Adjusting controller 1 controls the revolving speed matching of walking dolly 5 and driving motor 430.
Judge to stop moving back gauze frame 2, walking dolly 5 and driving motor automatically after the rotation of driving motor 430 sets fixing turn
430.The circle number that driving motor 430 is set should disposably acquire multiple valid data not less than 70 circles, more can be intuitive, system
It evaluates fibre bundle and opens up yarn performance.
The width of each loop yarn line on finally statistics winding roller 420.
When counting yarn width, on the upside of winding 420 dimension line of roller, one is drawn along winding 420 axial direction of roller
Straight line measures the width of each loop yarn line on the straight line according to dimension line, draws yarn width distribution histogram, and count each circle
Then maximum value, minimum value and the high frequency values of yarn width calculate average value, stability and the exhibition yarn of yarn exhibition yarn width
Rate.
Exhibition yarn width stability indicates that be denoted as C.V.%, calculation formula is as follows using " coefficient of variation % ":
C.V.%=σ/| Z | × 100%；
Z=(∑ Zi)/n；
Wherein: Z is the average value that fibre bundle opens up yarn width；
ZiYarn width measurement is opened up for fibre bundle；
σ is that fibre bundle exhibition yarn width criteria is poor；
It is as follows to open up yarn rate calculation formula:
Open up yarn rate %=(Z-Z0)/Z0× 100%；
Wherein: Z is the average value that fibre bundle opens up yarn width；
Z0The average value of tow width before yarn is opened up for fibre bundle.
Exhibition yarn width stability is used to measure the degree of each fibre bundle exhibition yarn width measurement variation；Yarn rate is opened up to weigh
Measure the fibrillation performance of fibre bundle.
In a preferred embodiment, moving back gauze frame 2 moves back silk to set tension automatically for the control specifically:
Automatically it moves back gauze frame 2 and receives the tension signal that the tension sensor 7 sent by controller 1 incudes, and according to receiving
Tension signal with setting tension be compared；
When the tension signal is less than setting tension, the raising of gauze frame 2 is moved back automatically and moves back thread tension；
When the tension signal is greater than setting tension, the reduction of gauze frame 2 is moved back automatically and moves back thread tension；
When the tension signal is equal to setting tension, moving back the maintenance of gauze frame 2 automatically, to move back thread tension constant.
In a preferred embodiment, as 5N-80N, control fibre bundle speed of wrap is kept the range for setting tension
In 0.4-2m/min.
In a preferred embodiment, the revolving speed matching of the control walking dolly 5 and driving motor 430 specifically:
The revolving speed of the movement velocity and driving motor 430 that control the walking dolly 5 meets following formula:
V1≥L+n；0≤n≤m；
Wherein: L is setting exhibition yarn width；
N is setting exhibition yarn width adjusting value；
M is that exhibition yarn width allows maximal regulated value.
Exhibition yarn width L is set as calibration exhibition yarn width, calibration exhibition yarn width is that a large amount of high-quality allied fiber tow exhibition yarns are wide
Spend the average value of measurement；Opening up yarn width allows maximal regulated value m to be that a large amount of high-quality allied fiber tow open up yarn width relative Calibration
Open up the maximum value of yarn width offset.
Specific testing example:
The fibre bundle tested in the present embodiment is a kind of carbon fibre tow, and specific test is as follows: by T700SC-12K-
50C carbon fibre tow is installed to moving back on gauze frame 2 automatically, and the end drawing-off for moving back the carbon fibre tow on gauze frame 2 automatically is passed through
420 surface of winding roller of Chan Sha mechanism 4 is fixed on after the walking dolly 5 crossed on track 3；The control of gauze frame 2 is moved back in setting automatically
Tension is 30N, and moving back gauze frame 2 moves back silk to set tension 30N automatically for control, and carbon fiber winding speed is made to be maintained at 1m/min.
A mouth is concurrently set along the forward speed of track, the speed is according to setting exhibition yarn width L and setting exhibition yarn width adjusting value n come really
It is fixed, wherein setting exhibition yarn width L as 16mm, exhibition yarn width adjusting value n value is set as 4mm, therefore sets the advance speed of silk mouth
Degree is 20mm/min, and adjusting controller 1 controls walking dolly 5 and the revolving speed of driving motor 430 matches.430 turns of driving motor
The dynamic fixing turn that sets is 75 circle, i.e., carbon fibre tow stops moving back gauze frame 2, walking automatically after 75 circle of winding on winding roller 420
Trolley 5 and driving motor 430.
It counts yarn width: on the upside of winding 420 dimension line of roller, drawing one directly along winding 420 axial direction of roller
Line measures the width of each loop yarn line on the straight line according to dimension line.
Exhibition yarn width distribution histogram is drawn, as shown in Figure 2.
Test result is as shown in table 1, counts maximum value, minimum value and the high frequency values of each loop yarn line width, and according to public affairs
Formula calculates average value, stability and the exhibition yarn rate of yarn exhibition yarn width.
1 T700SC-12K-50C carbon fiber test result of table
Embodiments herein is described in detail above, but the content is only the preferred embodiment of the application,
It should not be construed as limiting the practical range of the application.All the changes and improvements made by all application ranges according to the application
Deng should still belong within the patent covering scope of the application.
Claims (10)
1. a kind of fibre bundle opens up yarn performance testing device characterized by comprising
Controller (1) and what is be arranged move back gauze frame (2), track (3) and Chan Sha mechanism (4) automatically；
The Chan Sha mechanism (4) includes the horizontally disposed live spindle (410) for being parallel to track (3), is set in live spindle
(410) driving motor (430) of winding roller (420) and driving live spindle (410) rotation on；
Walking dolly (5) are provided on the track (3)；Be provided with guide roller structure (6) on the walking dolly (5): being used for will
It is wound from moving back the silk thread backed off on gauze frame (2) automatically and being delivered on the winding roller (420)；
The guide roller structure (6) is equipped with tension sensor (7), is configured to the transmission tension of yarn in detection transmission；
The controller (1) is configured to: controlling the revolving speed of the driving motor (430) so that the revolving speed of driving motor (430)
It is matched with the speed of travel of walking dolly (5)；It receives the tension signal of tension sensor (7) and is sent to and described move back gauze automatically
Frame (2)；
It is described to move back gauze frame (2) automatically and be configured to: to receive the tension signal and increased or decreased according to the tension signal
Fibre bundle moves back thread tension.
2. a kind of fibre bundle as described in claim 1 opens up yarn performance testing device, which is characterized in that the controller (1)
It is configured specifically for:
The revolving speed of the movement velocity and driving motor (430) that control the walking dolly (5) meets following formula:
V1≥L+n；0≤n≤m；
Wherein: L is setting exhibition yarn width；
N is setting exhibition yarn width adjusting value；
M is that exhibition yarn width allows maximal regulated value.
3. a kind of fibre bundle as claimed in claim 1 or 2 opens up yarn performance testing device, which is characterized in that the deflector roll knot
Structure (6) includes at least a pair of of guide roller set (610), and each pair of guide roller set (610) includes the transmission direction sequence along fibre bundle
Arrangement and up and down staggered upper deflector roll and lower guide roll.
4. a kind of fibre bundle as claimed in claim 1 or 2 opens up yarn performance testing device, which is characterized in that the walking is small
A mouth (8) are fixed in the middle part of vehicle (5) and Chan Sha mechanism (4) adjacent one end.
5. a kind of fibre bundle as claimed in claim 1 or 2 opens up yarn performance testing device, which is characterized in that the walking is small
Induction roller (9) is provided on vehicle (5)；The induction roller (9) includes fixing axle (910) and covers the turnbarrel in fixing axle
(920)；The tension sensor (7) is arranged in the lower section by close end of the fixing axle (910), and with the fixing axle
(910) it connects.
6. a kind of fibre bundle as claimed in claim 1 or 2 opens up yarn performance testing device, which is characterized in that the wind-up roll
Cylinder (420) is equipped with the dimension line parallel with winding roller (420) axis, for measuring each loop yarn in winding roller (420)
The width of line.
7. a kind of side using fibre bundle exhibition yarn performance testing device test fibre bundle exhibition yarn performance described in claim 1
Method, which comprises the following steps:
Automatically the end drawing-off for moving back the fibre bundle on gauze frame (2) is fixed on after the walking dolly (5) on track (3)
Winding roller (420) surface of Chan Sha mechanism (4)；
Gauze frame (2), walking dolly (5) and driving motor (430) are moved back in starting automatically；
Automatically moving back gauze frame (2) moves back silk to set tension for control；
Control the revolving speed matching of walking dolly (5) and driving motor (430)；
Judge to stop moving back gauze frame (2), walking dolly (5) and driving motor automatically after driving motor (430) rotation sets fixing turn
(430)；
The width of each loop yarn line in statistics winding roller (420)；
Draw yarn width distribution histogram；
Maximum value, minimum value and the high frequency values of each loop yarn line width are counted, average value, the stability of yarn exhibition yarn width are calculated
With exhibition yarn rate；
Exhibition yarn width stability indicates that be denoted as C.V.%, calculation formula is as follows using " coefficient of variation % ":
C.V.%=σ/| Z | × 100%；
Z=(∑ Zi)/n；
Wherein: Z is the average value that fibre bundle opens up yarn width；
ZiYarn width measurement is opened up for fibre bundle；
σ is that fibre bundle exhibition yarn width criteria is poor；
It is as follows to open up yarn rate calculation formula:
Open up yarn rate %=(Z-Z0)/Z0× 100%；
Wherein: Z is the average value that fibre bundle opens up yarn width；
Z0The average value of tow width before yarn is opened up for fibre bundle.
8. fibre bundle according to claim 7 opens up yarn performance testing device test method, which is characterized in that the control
Automatically moving back gauze frame (2) moves back silk to set tension specifically:
Receive the tension signal of tension sensor (7) induction sent by controller (1)；
When judging that the tension signal is less than setting tension, thread tension is moved back in raising；
When judging that the tension signal is greater than setting tension, thread tension is moved back in reduction；
When judging that the tension signal is equal to setting tension, it is constant that thread tension is moved back in maintenance.
9. fibre bundle according to claim 8 opens up yarn performance testing device test method, which is characterized in that the setting
The range of tension is 5N-80N.
10. fibre bundle according to claim 7 opens up yarn performance testing device test method, which is characterized in that the control
The matching of the revolving speed of walking dolly (5) processed and driving motor (430) specifically:
The revolving speed of the movement velocity and driving motor (430) that control the walking dolly (5) meets following formula:
V1≥L+n；0≤n≤m；
Wherein: L is setting exhibition yarn width；
N is setting exhibition yarn width adjusting value；
M is that exhibition yarn width allows maximal regulated value.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399184.8A CN109298164A (en) | 2018-11-22 | 2018-11-22 | A kind of fibre bundle exhibition yarn performance testing device and test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811399184.8A CN109298164A (en) | 2018-11-22 | 2018-11-22 | A kind of fibre bundle exhibition yarn performance testing device and test method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110938953A (en) * | 2019-12-26 | 2020-03-31 | 南京玻璃纤维研究设计院有限公司 | Quantitative control device and sample preparation method in reinforced fiber impregnated yarn sample preparation |
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2018
- 2018-11-22 CN CN201811399184.8A patent/CN109298164A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110938953A (en) * | 2019-12-26 | 2020-03-31 | 南京玻璃纤维研究设计院有限公司 | Quantitative control device and sample preparation method in reinforced fiber impregnated yarn sample preparation |
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