CN108195751A - A kind of yarn dynamic friction coefficient measuring system - Google Patents
A kind of yarn dynamic friction coefficient measuring system Download PDFInfo
- Publication number
- CN108195751A CN108195751A CN201711448132.0A CN201711448132A CN108195751A CN 108195751 A CN108195751 A CN 108195751A CN 201711448132 A CN201711448132 A CN 201711448132A CN 108195751 A CN108195751 A CN 108195751A
- Authority
- CN
- China
- Prior art keywords
- yarn
- pulley
- tension
- friction coefficient
- dynamic friction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of yarn dynamic friction coefficient measuring systems, including the pre-tension device being installed on case front panel, start-stop button, first tension measuring device, second tension measuring device, buffer unit, close to switch, pulley, indicator light, for measuring the rotation-speed measuring device of the yarn speed of service, rotational speed regulation knob, yarn guide, winding device, the input roller installed on first stepper motor and its main shaft, the delivery roller installed on second stepper motor and its main shaft, the tracheae being connected with yarn guide, the air pump being connected with tracheae and the residual yarn basket for collecting residual yarn, and it is installed on the power module at the case front panel back side, analogue collection module, relay module, communication module and stepper motor driver.The present invention have many advantages, such as use cost it is low, it is easy to operate, can carry out that constant-tension test, detection efficiency and measuring accuracy are high, realize control in real time, and have the function of disconnection self-stopping and buffer breaking line preventive.
Description
Technical field
The present invention relates to a kind of yarn dynamic friction coefficient measuring instrument, more particularly to a kind of yarn dynamic friction coefficient
Measuring system.
Background technology
Yarn dynamic friction coefficient measuring system mainly tests the dynamic friction coefficient between yarn of the same race, dynamic friction system
Number is an important physical property of yarn.Dynamic friction coefficient possessed by yarn directly influences the technique effect of fabric
Fruit.Study yarn dynamic friction coefficient can be modified technique, selection finish or formula of size, Improvement textile equipment or
The surface property of guide tension part provides scientific basis.
Most institution of higher learning domestic at present, producer uses import CTT yarn Quality evaluations system in one's power for Research Center
The thread friction conductivity test instrument of system and domestic LFY-110.CTT yarn Quality evaluation systems can measure the dynamic of yarn
A variety of measurement contents such as state friction coefficient, yarn unevenness.CTT yarn Quality evaluations system is former using the test of entangling process
Reason calculates the dynamic friction coefficient between yarn and yarn indirectly by the tension of test yarn.But such mode exist with
Lower deficiency：
(1) system forms complicated, functional redundancy；
(2) complicated for operation, layman is not easy to operate；
(3) it is expensive, be not suitable for midget plant and use；
(4) body is heavy, is not easy to carry.
And domestic LFY-110 thread frictions coefficient instrument can also not only be tested with the dynamic friction coefficient of test yarn
Yarn and roller and the friction coefficient of yarn and metal.It uses the test philosophy of capstan winch method, and Yarn homogeneous is coated on friction
On roller, in addition an one thread is coated on 180 ° of cornerites on the friction roller of uniform coating cotton thread, and yarn is measured after friction roller rotation
The tension at both ends, the friction coefficient calculation formula derived according to the Euler's formula of flexible belt calculate friction coefficient.Such side
Formula has the following disadvantages：
(1) when measuring dynamic friction coefficient, the easy untwisting of yarn；
(2) operational speed range is smaller, it is impossible to meet requirement；
(3) measuring accuracy is relatively low；
(4) tension cannot be constant.
Invention content
In order to solve above-mentioned problems of the prior art, the present invention provides a kind of high certainty of measurement, constant tension, yarn
Line is not easy the relatively low and easy to operate yarn dynamic friction coefficient measuring system of untwisting, cost.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of yarn dynamic friction coefficient measuring system, including cabinet and the pre-tension being installed on the front panel of cabinet
Device, the first tension measuring device, the second tension measuring device, buffer unit, close switch, indicator light, is used for start-stop button
Measure the rotation-speed measuring device of the yarn speed of service, rotational speed regulation knob, yarn guide, winding device, the first stepper motor and
Input roller, the second stepper motor on its output shaft and the delivery roller on its output shaft are connected with the yarn guide
Tracheae, the air pump being connected with the tracheae and the residual yarn basket for collecting residual yarn；
Yarn enters the input roller after the pre-tension device, and on input roller after winding 3-5 circles
Into first tension measuring device, by entering the buffer unit after its extraction；
Yarn enters the winding device after being drawn via buffer unit, and enters described second after entanglement 2-3 circles herein
Tension measuring device；
Yarn enters the delivery roller after being drawn via the second tension measuring device, and on it after winding 3-5 circles
Into the yarn guide, the rotation-speed measuring device positioned at delivery roller side measures the rotating speed of delivery roller to judge the fortune of yarn
Scanning frequency degree；
The rotational speed regulation knob is used to adjust the rotating speed of first stepper motor and the second stepper motor；
The back side of the front panel is equipped with：
Power module, for providing electric energy for the measuring system；
Analogue collection module, for acquiring pressure sensor in the first tension measuring device and the second tension measuring device
Voltage data；
Relay module, the stopping action of instrument when being in fracture for yarn；
Communication module, for receive the data of the analog module and relay module and transmit it to computer into
Row analyzing and processing；
And stepper motor driver, for controlling the start and stop of stepper motor and rotating speed.
Preferably, first tension measuring device is made of pressure sensor and three pulleys, three pulley positions
In three apexes of isosceles triangle, the pulley cooperation installation of pressure sensor and top, for measuring the input of yarn
Power, yarn successively according to counter clockwise direction around lower left pulley, clockwise around top pulley and in an anticlockwise direction about
Enter the buffer unit after crossing lower right pulley.
Preferably, the buffer unit is made of three pulleys for being located at the isosceles triangle apex of a handstand, wherein
The pulley of lower section is the movable pulley that can move up and down and can carry additionally different quality counterweight, buffering breaking line preventive for yarn,
Pre-tension adjusts and balance detection, and yarn bypasses upper left pulley according to clockwise direction successively, counterclockwise bypasses
After the movable pulley and clockwise direction of lower section are around the pulley in upper right side, into the winding device.
The lower section that the counterweight is mounted on close to switch, when the counterweight and the distance≤1mm close to switch
When, the indicator light is lighted.
Preferably, the winding device is made of three pulleys positioned at isosceles triangle apex, wherein, it is located above
The position of pulley being capable of up and down adjustment；The yarn bypasses be located above pulley in winding device after, and around winding device
In be located at left side pulley yarn intersection winding 2-3 circle after, further around cross winding device in be located at right side pulley.
It is further preferred that in the intersection, around the folder of two forward and backward strands of top pulley (h) in winding device
Angle is 35 °.
Preferably, the second tension measuring device is made of pressure sensor and three pulleys, the form of three pulleys
Identical with first tension measuring device, yarn is successively according to counter clockwise direction around lower left pulley, clockwise direction
Around top pulley and counterclockwise around the delivery roller is entered after the pulley of lower right, pressure sensor herein is used
In the output tension for measuring yarn.
Preferably, the pre-tension device is by the wing nut, pagoda spring, two flakes that are sequentially arranged on bolt
Washer and hex nut composition, when the yarn passes through tensioner, are clipped between described two flake washers.
It is further preferred that the input roller is identical with the shape of delivery roller, surface is smooth and internal for hollow knot
Structure.
Compared with prior art, the present invention has the following advantages：
1. the present invention realizes the measurement of yarn dynamic friction coefficient, occupation of land can be saved, use cost is reduced, simplifies operation
Process improves detection efficiency；
2. the present invention can accurately adjust the rotating speed for outputting and inputting roller, real-time display measurement data, real-time parameter are read
It takes and analyzes, realize control in real time, measuring accuracy is high；
3. the present invention can carry out constant-tension test, there is disconnection self-stopping and buffering breaking line preventive.
Description of the drawings
Fig. 1 is the structure diagram on front panel in yarn dynamic friction coefficient measuring system of the present invention；
Fig. 2 is the structure diagram of front back in yarn dynamic friction coefficient measuring system of the present invention；
Fig. 3 be the present invention measuring system in yarn move towards schematic diagram.
Specific embodiment
The structure of the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to attached drawing 1,2, yarn dynamic friction coefficient measuring system of the invention includes being installed on the front panel 1 of cabinet
Pre-tension device 2, the start-stop button 4 that is installed on 1 upper left corner of front panel, interval be installed on first of 1 top of front panel
Force measuring device 5-1 and the second tension measuring device 5-2, the first tension measuring device 5-1 and the second tonometry dress are installed on
Put the winding device 16 between 5-2, the buffering for the lower part being installed between the first tension measuring device 5-1 and winding device 16 fills
It is the indicator light 9 that put 6, is installed on 1 lower left corner of front panel, from top to bottom the rotational speed regulation knob 12 on the right side of plate forward-mounted, defeated
Go out roller 11 and yarn guide 13 and positioned at the left side of delivery roller 11 rotation-speed measuring device 10, be installed on the left of front panel
The first stepper motor 18-1 in portion and input roller 3 on its output shaft are installed on the second of front panel right side central
Stepper motor 18-2 and delivery roller 11 on its output shaft, the tracheae 17 being connected with yarn guide 13, with 17 phase of tracheae
Air pump 15 even and the residual yarn basket 14 for collecting residual yarn.The back side of plate 1 is equipped with power module 19, communication module in front
20th, analog module 21, relay 22 and stepper motor driver 23.The lower section of the counterweight (26) is mounted on close to switch 7,
For detecting the equilibrium state of buffer unit 6, indicator light 9 can light when reaching equilibrium state.In the embodiment shown in power 3,
As counterweight 26 and distance≤1mm close to switch 7, reach equilibrium state, indicator light 9 is lighted.
Wherein, pre-tension device 2 is by the wing nut, pagoda spring, two flake washers that are sequentially arranged on bolt
And hex nut composition, pressure of the pagoda spring to flake gasket is adjusted by adjusting the rotation angle of wing nut, so as to
Adjust the pressure suffered by the yarn clamped between flake washer；Rotational speed regulation knob 12 is used to adjust first stepper motor
The rotating speed of 18-1 and the second stepper motor 18-2, and then adjust the rotating speed of input roller and delivery roller；Power module 19 is used for
Electric energy is provided for the measuring system；Analogue collection module 21 is for the first tension measuring device 5-1 of acquisition and the second tension
The voltage data of pressure sensor in measuring device 5-2；The stopping of instrument is moved when relay module 22 is in fracture for yarn
Make；Communication module 20 is used to receive the data of analog module and relay module and transmit it to computer to carry out at analysis
Reason；Stepper motor driver 23 is used to control start and stop and the rotating speed of stepper motor.
Referring to Fig. 3, using measuring device as described above, specific works step includes：
(1) it when the yarn 25 on winch spool 30 is by pre-tension device 2, is clipped between described two flake washers, from
And a pre-tension has been applied in, subsequently into input roller 3, and the winding 3-5 circles on input roller 3；
(2) yarn 25 enters the first tension measuring device 5-1 on right side, the first tonometry after input roller 3 is drawn
Device 5-1 is made of pressure sensor 24 and three pulleys a, b, c, and three pulleys are located at three vertex of an isosceles triangle
Place, the pulley b cooperations of pressure sensor 24 and top are installed, for measuring the input tension of yarn 25, yarn 25 successively according to
Lower right pulley c is counterclockwise bypassed around lower left pulley a, clockwise around top pulley b and counterclockwise
After draw；
(3) yarn 25 enters the buffer unit 6 on the right side of it after tension measuring device 5-1 extractions, and buffer unit 6 is by being located at
Three pulleys d, e, f composition of the one isosceles triangle apex to stand upside down, wherein the pulley e of lower section can to move freely and
The movable pulley of different quality counterweight 26 can be carried additionally, the buffering breaking line preventive, pre-tension for yarn adjust and balance detection, yarn
Line 25 is successively according to clockwise direction around upper left pulley d, counterclockwise around the movable pulley e of lower section and side clockwise
To the pulley f around upper right side, subsequently into winding device 16；
(5) pulley g, h, i that winding device 16 3 is located at isosceles triangle apex are formed, wherein, it is located above
It the position of pulley h being capable of up and down adjustment.Yarn 25 bypasses be located above pulley h in winding device 16 after, and around winding device
It is located at right side in winding device 16 further around crossing after intersection winding 2-3 circles positioned at the yarn 25 of the pulley g in left side in 16
Pulley i.In one embodiment of the invention, it is forward and backward around the top pulley h in winding device 16 in the intersection
The angles of two strands be 35 °.
(6) yarn 25 enters the second tension measuring device 5-2 on right side, the second tonometry after the extraction of winding device 16
Device 5-2, the mode for connecting three pulleys j, k, l is identical in the first tension measuring device 5-1, herein by pressure
The output tension of force sensor measuring yarn 25；
(7) yarn 25 enters delivery roller 11, and wound on delivery roller 11 after the extraction of the second tension measuring device 5
3-5 is enclosed, and speed probe 10 measures the rotating speed of delivery roller 11 here, to judge the speed of service of yarn；
(8) yarn 25 is after the extraction of delivery roller 11, and into yarn guide 13, yarn guide is connected with the tracheae 17 of air pump 15
It connects, negative pressure is formed in yarn guide after tracheae discharge pressure-air, yarn 25 is sucked in residual yarn basket 14；
(9) the rotational speed regulation knob 12 in 1 upper right corner of case front panel is adjusted, stepper motor driver 23 can be controlled to step
Stepper motor 18 sends the pulse of variation, and then the rotating speed of regulation motor.
In the above process, start-stop button 4 is pressed, the startup and stopping of stepper motor can be controlled；
When yarn dynamic friction coefficient measuring system is in operating status, the first tension measuring device 5-1 and second
Force measuring device 5-2 is sent into analog module 21 by measuring tension of the yarn 25 in 16 both sides of winding device, by tension parameters,
Communication module 20 is sent into after the processing of analog module 21, computer is finally sent data to and is analyzed and processed；
In the process of running, when yarn 25 is broken or during overtension, the first tension measuring device 5-1 and the second tension are surveyed
After the data that measurement obtains are transmitted to computer judgement by amount device 5-2 by analog module 21 and communication module 20, calculate
Machine sends instructions to communication module 20 and then relay 22 is controlled to be attracted, and finally makes system stalls；
Collected tension is calculated friction coefficient, and real-time display yarn by computer by friction coefficient calculation formula
The input tension of line 25 exports tension and the change curve of friction coefficient.
Claims (10)
1. a kind of yarn dynamic friction coefficient measuring system, it is characterised in that：
It is surveyed including cabinet and the pre-tension device (2) being installed on the front panel (1) of cabinet, start-stop button (4), the first tension
Amount device (5-1), the second tension measuring device (5-2), buffer unit (6), close to switch (7), indicator light (9), for measuring
The rotation-speed measuring device (10) of the yarn speed of service, rotational speed regulation knob (12), yarn guide (13), winding device (16), first
Stepper motor (18-1) and input roller (3) on its output shaft, the second stepper motor (18-2) and defeated mounted on its
Delivery roller (11) on shaft, the tracheae (17) being connected with the yarn guide (13), the air pump being connected with the tracheae (17)
(15) and the residual yarn basket (14) for collecting residual yarn,
Yarn (25) enters the input roller (3) after the pre-tension device (2), and is twined on input roller (3)
Enter first tension measuring device (5-1) after 3-5 circles, by entering the buffer unit (6) after its extraction；
Yarn (25) enters the winding device (16) after being drawn via buffer unit (6), and enters institute after entanglement 2-3 circles herein
State the second tension measuring device (5-2)；
Yarn (25) enters the delivery roller (11), and twine on it after being drawn via the second tension measuring device (5-2)
Enter the yarn guide (13) after 3-5 circles, the rotation-speed measuring device (10) positioned at delivery roller (11) side measures output sieve
The rotating speed of (11) is drawn to judge the speed of service of yarn；
The rotational speed regulation knob (12) is for adjusting first stepper motor (18-1) and the second stepper motor (18-2)
Rotating speed；
The back side of the front panel (1) is equipped with：
Power module (19), for providing electric energy for the measuring system；
Analogue collection module (21), for acquiring in the first tension measuring device (5-1) and the second tension measuring device (5-2)
The voltage data of pressure sensor；
Relay module (22), the stopping action of instrument when being in fracture for yarn；
Communication module (20), for receiving the data of the analog module (21) and relay module (22) and transmitting it to
Computer is analyzed and processed；
And stepper motor driver (23), for controlling the start and stop of stepper motor and rotating speed.
2. yarn dynamic friction coefficient measuring system according to claim 1, it is characterised in that：First tonometry
Device (5-1) is made of pressure sensor (24) and three pulleys (a-c), and three pulleys (a-c) are positioned at an isoceles triangle
On three vertex of shape；The pressure sensor (24) and pulley (a) cooperation being located above are installed, for measuring the defeated of yarn
Enter tension；Yarn (25) is successively according to counter clockwise direction around lower left pulley (b), clockwise around top pulley (a)
Enter the buffer unit (6) afterwards with counter clockwise direction around lower right pulley (c).
3. yarn dynamic friction coefficient measuring system according to claim 2, it is characterised in that：The buffer unit (6)
It is made of three pulleys (d-f) of the isosceles triangle apex for being located at a handstand, wherein underlying pulley (e) is can
The movable pulley of different quality counterweight (26) is moved up and down and can carry additionally, the buffering breaking line preventive, pre-tension for yarn are adjusted
And balance detection, yarn (25) is successively according to clockwise direction around upper left pulley (d), counterclockwise around lower section
After movable pulley and clockwise direction bypass the pulley in upper right side, into the winding device (16).
4. yarn dynamic friction coefficient measuring system according to claim 3, it is characterised in that：The close switch (7)
Mounted on the lower section of the counterweight (26), when the counterweight (26) and distance≤1mm of the close switch (7), the finger
Show that lamp (9) is lighted.
5. yarn dynamic friction coefficient measuring system according to claim 4, it is characterised in that：The winding device (16)
The pulley (g-i) for being located at isosceles triangle apex by three forms, wherein, the position of the pulley (h) being located above can on
Lower adjusting.
6. yarn dynamic friction coefficient measuring system according to claim 5, it is characterised in that：The yarn (25) bypasses
After being located above pulley (h) in winding device (16), with around in winding device (16) be located at left side pulley (g) yarn
(25) after intersection winding 2-3 circles, further around the pulley (i) for being located at right side in winding device (16) excessively.
7. yarn dynamic friction coefficient measuring system according to claim 6, it is characterised in that：In the intersection,
Angle around two forward and backward strands of top pulley (h) in winding device (16) is 35 °.
8. the yarn dynamic friction coefficient measuring system according to any one of claim 1-7, it is characterised in that：Described
Two tension measuring devices (5-2) are made of pressure sensor and three pulleys (j-l), the arrangement form of three pulleys and institute
State the identical of the first tension measuring device (5-1), yarn (25) is successively according to counter clockwise direction around lower left pulley (j), suitable
Clockwise enters the delivery roller (11) afterwards around top pulley (k) and counterclockwise around lower right pulley (l).
9. yarn dynamic friction coefficient measuring system according to claim 8, it is characterised in that：The pre-tension device
(2) it is made of the wing nut, pagoda spring, two flake washers and the hex nut that are sequentially arranged on bolt, the yarn
(25) by tensioner (2) it when, is clipped between described two flake washers.
10. yarn dynamic friction coefficient measuring system according to claim 9, it is characterised in that：The input roller
(3) smooth and internal identical with the shape of delivery roller (11), surface is hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711448132.0A CN108195751B (en) | 2017-12-27 | 2017-12-27 | Yarn dynamic friction coefficient measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711448132.0A CN108195751B (en) | 2017-12-27 | 2017-12-27 | Yarn dynamic friction coefficient measuring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108195751A true CN108195751A (en) | 2018-06-22 |
| CN108195751B CN108195751B (en) | 2019-12-20 |
Family
ID=62584754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711448132.0A Expired - Fee Related CN108195751B (en) | 2017-12-27 | 2017-12-27 | Yarn dynamic friction coefficient measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108195751B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060418A (en) * | 2019-12-16 | 2020-04-24 | 广东溢达纺织有限公司 | Yarn dryness judging device and judging method thereof |
| CN112999570A (en) * | 2021-04-01 | 2021-06-22 | 北京大学 | Rehabilitation equipment for walking rehabilitation and assistance |
| CN113358556A (en) * | 2021-06-11 | 2021-09-07 | 青岛大学 | Testing device with yarn friction coefficient and friction fatigue detection functions and application |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6428541A (en) * | 1987-05-29 | 1989-01-31 | Resutaa Poritekuniku | Friction measuring apparatus for yarn |
| CN1699999A (en) * | 2005-05-18 | 2005-11-23 | 东华大学 | Yarn or fabric surface characteristics optical and mechanical combination measurement method and apparatus |
| CN201548481U (en) * | 2009-10-30 | 2010-08-11 | 广东溢达纺织有限公司 | Yarn surface friction performance testing instrument |
| CN202642983U (en) * | 2012-04-28 | 2013-01-02 | 内蒙古工业大学 | Contact type yarn dynamic tension measurement device |
| CN103091191A (en) * | 2013-02-05 | 2013-05-08 | 东华大学 | Ultrafine metal wire simulation friction instrument |
| CN103389253A (en) * | 2013-07-22 | 2013-11-13 | 东华大学 | Test method and device for horizontal yarn sizing wear-resistance |
| CN103727976A (en) * | 2013-12-10 | 2014-04-16 | 东华大学 | Device and method for measuring curvature, friction, evenness and hairiness of yarn in combined mode |
| CN106442310A (en) * | 2016-09-30 | 2017-02-22 | 天津工业大学 | Filament and yarn friction coefficient tester |
-
2017
- 2017-12-27 CN CN201711448132.0A patent/CN108195751B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6428541A (en) * | 1987-05-29 | 1989-01-31 | Resutaa Poritekuniku | Friction measuring apparatus for yarn |
| CN1699999A (en) * | 2005-05-18 | 2005-11-23 | 东华大学 | Yarn or fabric surface characteristics optical and mechanical combination measurement method and apparatus |
| CN201548481U (en) * | 2009-10-30 | 2010-08-11 | 广东溢达纺织有限公司 | Yarn surface friction performance testing instrument |
| CN202642983U (en) * | 2012-04-28 | 2013-01-02 | 内蒙古工业大学 | Contact type yarn dynamic tension measurement device |
| CN103091191A (en) * | 2013-02-05 | 2013-05-08 | 东华大学 | Ultrafine metal wire simulation friction instrument |
| CN103389253A (en) * | 2013-07-22 | 2013-11-13 | 东华大学 | Test method and device for horizontal yarn sizing wear-resistance |
| CN103727976A (en) * | 2013-12-10 | 2014-04-16 | 东华大学 | Device and method for measuring curvature, friction, evenness and hairiness of yarn in combined mode |
| CN106442310A (en) * | 2016-09-30 | 2017-02-22 | 天津工业大学 | Filament and yarn friction coefficient tester |
Non-Patent Citations (1)
| Title |
|---|
| 万振凯等: "化纤长丝动态张力与摩擦系数微机测试仪", 《电子技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060418A (en) * | 2019-12-16 | 2020-04-24 | 广东溢达纺织有限公司 | Yarn dryness judging device and judging method thereof |
| CN111060418B (en) * | 2019-12-16 | 2022-08-02 | 广东溢达纺织有限公司 | Yarn dryness judging method |
| CN112999570A (en) * | 2021-04-01 | 2021-06-22 | 北京大学 | Rehabilitation equipment for walking rehabilitation and assistance |
| CN112999570B (en) * | 2021-04-01 | 2022-06-14 | 北京大学 | Rehabilitation equipment for walking rehabilitation and assistance |
| CN113358556A (en) * | 2021-06-11 | 2021-09-07 | 青岛大学 | Testing device with yarn friction coefficient and friction fatigue detection functions and application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108195751B (en) | 2019-12-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108195751A (en) | A kind of yarn dynamic friction coefficient measuring system | |
| CN102305763B (en) | Objective evaluating device for fuzzing and pilling condition of yarn | |
| CN206945182U (en) | Propeller force testing table | |
| CN102788837B (en) | Multifunctional critical-current uniformity non-destructive and continuous detection device of superconducting band material | |
| CN105366436B (en) | A kind of tension determining method based on servo constant tension device | |
| CN104849208B (en) | A kind of frictional coefficient of fiber test device and its method of testing | |
| CN104132890B (en) | Raw silk cohesion self-checking device and the method being used for detecting raw silk cohesion thereof | |
| CN113358556B (en) | Testing device with inter-yarn friction coefficient and friction fatigue detection functions and application | |
| CN103091191A (en) | Ultrafine metal wire simulation friction instrument | |
| CN205538497U (en) | Full -automatic fabric stiffness appearance | |
| CN107192712A (en) | A kind of yarn twist measuring method and yarn twist measuring system | |
| CN107271308A (en) | Abrasion affectingfactor tester at a kind of yarn porcelain eye | |
| CN102866244A (en) | Linear textile sampling and weighing device and tester with application of device | |
| CN205879318U (en) | Yarn online weighing sampling device | |
| CN206270150U (en) | For the testing machine for mechanical properties of antiglare shield detection | |
| CN201901744U (en) | Skein yarn length measurement instrument | |
| CN2641097Y (en) | Constant tension controller of strander | |
| CN208459187U (en) | Flexible screen bending test apparatus | |
| CN109142080B (en) | Silk thread on-line detection device and on-line detection method | |
| CN209264264U (en) | Thread spinner special parts spindle comprehensive test platform | |
| CN209416856U (en) | A kind of winding fiber number tester | |
| CN209432626U (en) | A kind of device that measurement diamond line twists off | |
| CN100401038C (en) | Raw silk cohesion performance detecting method and device | |
| CN209602732U (en) | A kind of intelligent yarn tension sensor | |
| CN208902589U (en) | Probe into the device of coefficient of sliding friction size |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20201227 |