CN101118205A - Sizing wear resistant instrument - Google Patents
Sizing wear resistant instrument Download PDFInfo
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- CN101118205A CN101118205A CNA2007100591904A CN200710059190A CN101118205A CN 101118205 A CN101118205 A CN 101118205A CN A2007100591904 A CNA2007100591904 A CN A2007100591904A CN 200710059190 A CN200710059190 A CN 200710059190A CN 101118205 A CN101118205 A CN 101118205A
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- sizing
- yarn guide
- wear resistant
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- bistrique
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Abstract
The present invention relates to a sizing wear resistant meter, which consists of a control part, a transmission part and a detection part, wherein the control part includes a speed regulator, the transmission part includes a speed regulating motor and a crank connecting rod slide block mechanism which is composed of a crank, a connecting rod and a slide block, and the detection part includes a sizing guiding frame. The present invention is characterized in that the crank of the crank connecting rod slide block mechanism has a disc configuration, the central hole of which is fixed and connected with the output axle of the speed regulating motor, and one to five isodiametric connecting holes which can be hinged with the connecting rod are also arranged along the radius direction of the central hole; the sizing guiding frame of the detection part is a rectangular sizing guiding frame consisting of four bank rods which are arranged rectangularly and fixed and arranged between a front wall plate and a rear wall plate which are symmetrical, and the bottom of the sizing guiding frame is fixed and connected on the bottom seat of the sizing guiding frame. The wear resistant meter of the present invention practically simulates the stress wearing condition of warp yarn in the weaving process.
Description
Technical field
The present invention relates to a kind of textile yarn testing tool, be specially and a kind ofly can select the differentiated friction mode to detect the sizing wear resistant instrument of sizing wear resistant performance based on different needs, international Patent classificating number intends being Int.ClG01N 1/00 (2006.01).
Background technology
The anti-wear performance of sizing is an important indicator of reflection sizing weavability.In actual production, the anti-wear performance of sizing and the weavability of sizing are closely related (factors such as fibre structure, yarn situation, slashing technique are also influential to the weavability of slurry line in addition), and the sizing wear resistant performance has reflected the weaving performance of sizing to a great extent.
Although the anti-wear performance of sizing is very important, does not still have examination criteria both at home and abroad at present and can comply with.In the production practices, the anti-wear performance of sizing represents with the broken end of yarn friction number of times (promptly rub when sizing broken end and the record broken end friction number of times) usually, judges the quality of sizing quality by broken end friction number of times relatively.Measure both at home and abroad the method in common of sizing broken end friction number of times and have two kinds: a kind of is the method (referring to Fig. 9) of utilizing sizing 101 and sizing 102 to collude to horizontally slip behind the extension friction to detect; Another kind is the method (referring to Figure 10) that detects by sizing 10 and bonding jumper 19 reciprocating frictions.Though these two kinds of methods have been reacted the anti-wear performance of sizing to a certain extent, but certain limitation is arranged all on method of testing, still can not reproduce truly and weave in the actual production between the yarn and yarn parallel friction and yarn and the parts coefficient technological process that rubs, be difficult to really express the suffered friction load of warp thread in the weaving process.
Summary of the invention
At the deficiencies in the prior art, the technical matters that quasi-solution of the present invention is determined provides a kind of new sizing wear resistant instrument, it can rub when simulating sizing for weaving more realistically under the condition of loading process, detects sizing broken end friction number of times, accurately and all sidedly estimates the anti-wear performance of sizing; Wear resistant instrument is simple in structure, with low cost simultaneously, and processing ease is convenient to promote.
The technical scheme that the present invention solve the technical problem is: design a kind of sizing wear resistant instrument, comprise control, transmission and three parts of detection, described control section comprises speed regulator, described running part comprises that buncher and the crank connecting rod sliding block mechanism, the described test section that are made of crank, connecting rod and slide block comprise yarn guide, the crank that it is characterized in that described crank connecting rod sliding block mechanism is the disk configuration, the output shaft of its center pit and buncher is affixed, and along its radial direction have 1-5 isometrical can with the connecting hole of described rod hinge connection; The yarn guide of described test section is that 4 rectangular arranging of creel rod are fixedly mounted on the rectangle yarn guide that constitutes between symmetrical front wallboard and the rear wall plate, and the bottom of yarn guide is fixed on the yarn guide base.
Compared with prior art, friction stressing conditions when sizing wear resistant instrument of the present invention has been simulated sizing for weaving more realistically, under not only can the force-bearing situation when abundant simulation sizing for weaving, accurately detect its broken end friction number of times, but also can be as required, the mode of conversion sizing wearing and tearing or the kind of abrasive material; Apparatus structure is simple, with low cost simultaneously, and designed fine motion counter and spider watcher make operating process become more simple, are suitable for applying.
Description of drawings
Fig. 1 is the global shape structural representation of a kind of embodiment of sizing wear resistant instrument of the present invention;
Fig. 2 is the positional structure synoptic diagram that the running part crank disk of a kind of embodiment of sizing wear resistant instrument of the present invention is radially set three hinge connecting holes;
Fig. 3 is that the test section of a kind of embodiment of sizing wear resistant instrument of the present invention is in a kind of duty---realize the synoptic diagram of parallel friction between yarn and the yarn;
Fig. 4 is that the test section of a kind of embodiment of sizing wear resistant instrument of the present invention is in another kind of duty---the synoptic diagram that rubs between realization yarn and the metal reed;
Fig. 5 is that the test section of a kind of embodiment of sizing wear resistant instrument of the present invention is in the third duty---realize the synoptic diagram of yarn and yarn+yarn and the effect of metal reed compound friction;
Fig. 6 is the synoptic diagram that yarn and the friction of heterogeneity abrasive material are realized in the test section of a kind of embodiment of sizing wear resistant instrument of the present invention.
Fig. 7 is the structural representation of the replaceable bistrique M1 in test section of a kind of embodiment of sizing wear resistant instrument of the present invention.
Fig. 8 is the structural representation of the replaceable bistrique M2 in test section of a kind of embodiment of sizing wear resistant instrument of the present invention;
Fig. 9 is that prior art sizing wear resistant instrument yarn and yarn collude the extension back at the synoptic diagram of friction that horizontally slips;
Figure 10 is the synoptic diagram of prior art sizing wear resistant instrument parts and sizing reciprocating friction.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof in detail the present invention is described in detail, but the present invention is not subjected to the restriction of embodiment:
Sizing wear resistant instrument of the present invention is (hereinafter to be referred as wear resistant instrument, referring to Fig. 1) mainly comprise control, transmission and three parts of detection, described control section comprises speed regulator 1, described running part comprises that buncher 5 and the crank connecting rod sliding block mechanism, the described test section that are made of crank 6, connecting rod 7 and slide block 8 comprise yarn guide 12, the crank 6 that it is characterized in that described crank connecting rod sliding block mechanism is the disk configuration, its center pit 60 is affixed with the output shaft of buncher 5, and has 1-5 isometrical connecting hole that can be hinged with described connecting rod 7 along its radial direction; The yarn guide 12 of described test section is that 4 rectangular arranging of creel rod are fixedly mounted on the rectangle yarn guide that constitutes between symmetrical front wallboard and the rear wall plate, and the bottom of yarn guide 12 is fixed on the yarn guide base 18.
The control section I of wear resistant instrument embodiment of the present invention is positioned at the front-seat left side (referring to Fig. 1) of wear resistant instrument, comprises speed regulator 1, battery main switch 2, power light 3 and startup/stop switch 4 etc., is prior art substantially.The present invention adopts stepless speed adjusting gear to the near-sighted described speed regulator 1 of changing of control section I, with the buncher 5 in its regulation and control running part.The specification of the stepless speed adjusting gear that embodiment selects for use is voltage 220v, power 6w, speed adjustable range 0-325rpm; The specification of the buncher that embodiment selects for use is 220v, 6w, and the range of speeds is 0-1350rpm.
The running part II of wear resistant instrument embodiment of the present invention is positioned at player No.5's side of wear resistant instrument, the crank 6, connecting rod 7, slide block 8 and the slideway 9 that comprise buncher 5, mechanical assembly, yarn folder 11 and fine motion counter 14 etc., connecting rod 7 link cranks 6 and slide block 8, slide block 8 is placed on the slideway 9, yarn folder 11 is installed on the slide block 8, is used for the clamping sizing, realize affecting; Fine motion counter 14 is fixed on buncher 5 left sides, and its axle is parallel with 5 of bunchers, and adopts the cingulum synchrodrive; It is same as prior art substantially.The feature of wear resistant instrument running part of the present invention is: the crank of described crank connecting rod sliding block mechanism 6 is the disk configuration, and its center pit 60 is affixed with the output shaft of buncher 5, and has 1-5 isometrical connecting hole along its radial direction, is used for described connecting rod 7 hinged.The size of the quantity of described connecting hole what and radial distribution distance thereof depends on the designing requirement of wear resistant instrument, and the radial distribution of connecting hole can be equidistant, also can be not equidistant.Disc crank 6 diameters of embodiment are designed to 100mm, along crank 6 radial design 3 connecting holes (i.e. first connecting hole 61, second connecting hole 62 and the 3rd connecting hole 63), the aperture is 5mm, and its distance apart from crank 6 centers is respectively 20mm, 30mm and 40mm (referring to Fig. 2).During detection, can regulate as required and the link position of connecting rod 7, thereby change the reciprocating traverse of slide block 8 on slideway 9 with described connecting hole.The change of reciprocating traverse means the change of sizing friction length range.It is worthy of note that the described crank 6 of wear resistant instrument of the present invention also can adopt rod design, on the rod crank except an end have with the affixed hole of buncher output shaft, can have described connecting hole equally on the shaft.Why embodiment preferably adopts the design of disc crank 6 to be based on the consideration of reciprocating stationarity of instrument and accuracy of detection.
The described test section of wear resistant instrument of the present invention is positioned at the back right side of wear resistant instrument, comprise yarn guide 12, yarn guide base 18 and spider watcher 15, it is characterized in that described yarn guide 12 is that 4 creel rods constitute rectangular frame structure with two blocks of wallboards, promptly the first creel rod 121, the second creel rod 122, the 3rd creel rod the 123 and the 4th creel rod 124 rectangular arranging are fixedly mounted between the front wallboard 120 and rear wall plate 120 ' of symmetry, constitute rectangle yarn guide 12.The root edge of yarn guide 12 is fixed in (referring to Fig. 1) on the yarn guide base 18.Yarn guide 12 physical dimensions of embodiment (length * wide * height) design is 150mm * 150mm * 60mm, the axle center of 4 creel rods is 90mm * 20mm rectanglar arrangement, be that centre distance between two creel rods (as first creel rod the 121 and the 3rd creel rod 123) of horizontal level is 90mm, the centre distance between two creel rods of upright position (second creel rod the 122 and the 3rd creel rod 123) is 20mm.Detect sizing 10 and be designed to 10 °, but do not get rid of other angle design with horizontal plane angle α.Tension force hammer weight is designed to each one of 5g, 10g, 15g and 20g counterweight, selects for use according to the yarn count number in the time of can supplying experimental implementation, so that give different sizing certain force of strain, makes sizing under the state of tensioning rubbing action take place.This means the needs of wear resistant instrument of the present invention, can in certain scope, select suitable tension force according to wear test.The spider watcher 15 of wear resistant instrument of the present invention is basic identical with prior art.
The further feature of wear resistant instrument of the present invention is that the centre position, base of the inboard of the front wallboard 120 of described yarn guide 12 and rear wall plate 120 ' is separately installed with prelocalization pin 125 and back register pin 125 ', and described test section also comprises removable bistrique M (referring to Fig. 4-8).Described removable bistrique M can require design according to wear test.The removable bistrique of embodiment design is two, i.e. M1 and M2.M1 is the reed bistrique, be (to be front end panel 160 by two parallel reed (being left reed 162 and right reed 161) and two back up pads, rear bearing sheet 160 ') installs the rectangular configuration framework of formation, left side reed 162 and right reed 161 are splayed configuration symmetry between front end panel 160 and rear bearing sheet 160 ' and install, its workplace and horizontal line angle are α, be respectively equipped with front end panel locating slot 163 and rear bearing sheet locating slot 163 ' on the root edge centre position of front end panel 160 and rear bearing sheet 160 ', and the size of reed bistrique M1 and the size match of described yarn guide 12, utilizing described front end panel locating slot 163 and rear bearing sheet locating slot 163 ' to be equipped with back register pin 125 ' location with the prelocalization pin 125 on the yarn guide 12 is that one is (referring to Fig. 4,5).The α angle of embodiment is designed to 10 °, and the outer rim of left reed 162 and right reed 161 is at a distance of 30mm.Bistrique M1 is applicable to sizing and the single friction of reed, uses when perhaps sizing and sizing+sizing and reed compound friction are tested.
Bistrique M2 is designed to the abrasive material bistrique, be that to be packed in two back up pads by a horizontal steel axle 171 (be front baffle board 170, back plate washer 170 ') framed structure that constitutes between, front baffle board 170, also being respectively equipped with the installing and locating groove on the root edge centre position of back plate washer 170 ' (is front baffle board locating slot 172, back plate washer locating slot 172 '), and the size of reed bistrique M2 also with the size match of described yarn guide 12, utilize described front baffle board locating slot 172 and back plate washer locating slot 172 ' to be one (referring to Fig. 6) with prelocalization pin 125 on the yarn guide 12 and back register pin 125 ' location are equipped.Steel axle 171 diameters of embodiment are designed to 10mm.According to the experiment needs, the surface of described steel axle 171 can be coated with abrasive material of different nature as required, for example No. 0 waterproof abrasive paper etc.Bistrique M2 uses when being applicable to sizing and heterogeneity abrasive material frictional experiment.
Under the situation of equipped described two bistriques, wear resistant instrument of the present invention is after determining tension force, can select differentiated friction combination for use according to the experiment needs: i.e. the friction mode of sizing and sizing, sizing and reed, sizing and sizing+sizing and reed, sizing and the heterogeneity abrasive material detection of number of times of rubbing of breaking end, detection also therefore of the present invention also can be called compound detection, corresponding test section also can be called the compound detection part, and wear resistant instrument also can be described as sizing complex abrasion-proof instrument.
The principle of work and the operating process of wear resistant instrument of the present invention are as follows:
During test experience, tested sizing 10 1 ends press from both sides 11 clampings by the yarn on the slide block 8, the other end hangs up and gets final product operation experiments after selected suitable tension force hammers 13 into shape after walking around the yarn guide 12 (for example twining through the first creel rod 121, the second creel rod 122, excellent the 123 and the 4th creel rod 124 orders of the 3rd creel successively) of test section III by rule.
Wear resistant instrument of the present invention can be selected the differentiated friction array mode as required, and the operation of specifically entrying is as follows:
1. the parallel friction of sizing: on the yarn guide 12 of wear resistant instrument with sizing, tested sizing 10 is walked around on the first creel rod 121, the second creel rod 122, the 3rd creel rod the 123 and the 4th creel rod 124 successively, and wearing before the 4th creel rod 124, will with wear from the first creel rod, 121 to second creel rods 122 around tested sizing 10 infalls twine 360 ° after, wear again around the 4th creel rod 124, collude and hang up suitable weight 13 (referring to Fig. 3);
2. sizing and reed friction: on the yarn guide 12 of wear resistant instrument, after tested sizing 10 walked around the first creel rod 121, pass from right reed 161 belows of replaceable bistrique M1 earlier, walk around second creel rod the 122 and the 3rd creel rod 123 then successively, pass from left reed 162 belows of replaceable bistrique M1 again, walk around the 4th creel rod 124 at last, collude and hang up suitable weight 13 (referring to Fig. 4);
3. yarn and yarn+yarn and reed compound friction: on the yarn guide 12 of wear resistant instrument, after tested sizing 10 walked around the first creel rod 121, pass from right reed 161 belows of replaceable bistrique M1 earlier, walk around then and walk around second creel rod the 122 and the 3rd creel rod 123 successively, pass from left reed 162 belows of replaceable bistrique M1 again, but will be before passing below the described left reed 162, with wear from the first creel rod, 121 to second creel rods 122 around tested sizing 10 infalls twine 360 °, walk around the 4th creel rod 124 at last, collude and hang up suitable weight 13 (referring to Fig. 5);
4. sizing and heterogeneity abrasive material friction: on the yarn guide 12 of wear resistant instrument, tested sizing is walked around creel rod 121, steel axle 171 belows that coat abrasive material from replaceable bistrique M2 are passed, walk around creel rod 122,123 then, pass from steel axle 171 belows of replaceable bistrique M2 coating abrasive material again, walk around creel rod 124 at last, collude and hang up suitable weight 13 (referring to Fig. 6).
After the selected and operation of entrying of sizing friction mode, press the reset button of fine motion formula counter 14, start buncher 6, tested sizing 10 is along with slide block 8 moves reciprocatingly, and with the abrasive material contact friction.Fine motion this moment formula counter 14 is the to-and-fro movement number of times of record sizing 10 automatically.When sizing 10 rubbed, tension force hammer 13 fell, and touches the Automatic stop switch of automatic stop motion 15, and motion stops, and the record value of fine motion this moment formula counter 14 is sizing broken end friction number of times.The described fine motion formula of wear resistant instrument of the present invention counter 14 is basic identical with prior art, but has improved counting precision, can reach 1/10 precision of changeing.
Wear resistant instrument of the present invention is not addressed part and is applicable to prior art.
Wear resistant instrument of the present invention has been simulated the stressed abrasion condition in the warp thread weaving process conscientiously: i.e. friction and the coefficient dual wearing and tearing of sizing between the yarn on the loom and the friction between the yarn, yarn and metal reed, and the main abrasive action between warp thread has obtained embodying more fully, it is wide to have applicability simultaneously, simple for structure, with low cost, operation is convenient, data stabilization, formulation that can be manufacturing enterprise's quality inspection and related standards etc. provides a kind of modern special testing instrument and technological means support.
Claims (5)
1. sizing wear resistant instrument, comprise control, transmission and three parts of detection, described control section comprises speed regulator, described running part comprises that buncher and the crank connecting rod sliding block mechanism, the described test section that are made of crank, connecting rod and slide block comprise yarn guide, the crank that it is characterized in that described crank connecting rod sliding block mechanism is the disk configuration, the output shaft of its center pit and buncher is affixed, and along its radial direction also have 1-5 isometrical can with the connecting hole of described rod hinge connection; The yarn guide of described test section is that 4 rectangular arranging of creel rod are fixedly mounted on the rectangle yarn guide that constitutes between symmetrical front wallboard and the rear wall plate, and the bottom of yarn guide is fixed on the yarn guide base.
2. sizing wear resistant instrument according to claim 1, the diameter that it is characterized in that described crank is 100mm, along the crank radial design 3 connecting holes is arranged, and the aperture is 5m, and its distance apart from crank center is respectively 20mm, 30mm and 40mm.
3. sizing wear resistant instrument according to claim 1 is characterized in that described speed regulator adopts stepless speed adjusting gear, and specification is voltage 220v, power 6w, speed adjustable range 0-325rpm.
4. according to claim 1,2 or 3 described sizing wear resistant instruments, it is characterized in that the front wallboard of described yarn guide and the centre position, inboard base of rear wall plate are separately installed with prelocalization pin and back register pin; Described test section also comprises a removable bistrique: the reed bistrique, described reed bistrique is to be splayed configuration symmetry between forward and backward two back up pads by two reed the rectangular configuration framework that constitutes is installed, reed workplace and horizontal line angle are α, be respectively equipped with the back up pad locating slot on the root edge centre position of back and front supporting plate, and the size of reed bistrique and the size match of described yarn guide are utilized described back up pad locating slot to be equipped with the register pin location on the described yarn guide and are one.
5. according to claim 1,2 or 3 described sizing wear resistant instruments, it is characterized in that the front wallboard of described yarn guide and the centre position, inboard base of rear wall plate are separately installed with prelocalization pin and back register pin; Described test section also comprises another removable bistrique: the abrasive material bistrique, described abrasive material bistrique is to be packed in the framed structure that constitutes between forward and backward two plate washers by a horizontal steel axle, forward and backward plate washer also is respectively equipped with the installing and locating groove, and the size of abrasive material bistrique also with the size match of described yarn guide, utilize described plate washer locating slot to be one with the register pin location on the yarn guide is equipped; Described steel axle surface can be coated with abrasive material of different nature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710059190A CN100575918C (en) | 2007-08-21 | 2007-08-21 | A kind of sizing wear resistant instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710059190A CN100575918C (en) | 2007-08-21 | 2007-08-21 | A kind of sizing wear resistant instrument |
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| CN101118205A true CN101118205A (en) | 2008-02-06 |
| CN100575918C CN100575918C (en) | 2009-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200710059190A Expired - Fee Related CN100575918C (en) | 2007-08-21 | 2007-08-21 | A kind of sizing wear resistant instrument |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725025B (en) * | 2009-11-20 | 2011-07-20 | 东华大学 | Abrasion tester and abrasion test method of dynamically stretched weaving size film |
| CN102621020A (en) * | 2012-03-07 | 2012-08-01 | 山东省纺织科学研究院 | Thread rope wet abrasion-resisting performance test 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 |
| CN103528946A (en) * | 2013-10-28 | 2014-01-22 | 天津工业大学 | Fabric friction coefficient measurement instrument |
| CN103926162A (en) * | 2014-04-25 | 2014-07-16 | 青岛市纺织纤维检验所 | Scratch resistance evaluation device for silver fiber |
| CN105388078A (en) * | 2015-10-28 | 2016-03-09 | 东华大学 | Device and method for testing wear resistance of fibers |
| CN108385251A (en) * | 2018-02-10 | 2018-08-10 | 江南大学 | A kind of yarn tension control device and method for slashing performance evaluation |
| CN108489840A (en) * | 2018-06-01 | 2018-09-04 | 浙江四兄绳业有限公司 | A kind of assembly type rope abrasion dynamic testing machine |
| CN110608944A (en) * | 2019-10-22 | 2019-12-24 | 江南大学 | Analog beating-up device |
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- 2007-08-21 CN CN200710059190A patent/CN100575918C/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725025B (en) * | 2009-11-20 | 2011-07-20 | 东华大学 | Abrasion tester and abrasion test method of dynamically stretched weaving size film |
| CN102621020A (en) * | 2012-03-07 | 2012-08-01 | 山东省纺织科学研究院 | Thread rope wet abrasion-resisting performance test device |
| CN102621020B (en) * | 2012-03-07 | 2013-10-30 | 山东省纺织科学研究院 | Thread rope wet abrasion-resisting performance test device |
| CN103091191A (en) * | 2013-02-05 | 2013-05-08 | 东华大学 | Ultrafine metal wire simulation friction instrument |
| CN103389253B (en) * | 2013-07-22 | 2015-10-28 | 东华大学 | A kind of horizontal sizing wear resistant system safety testing device |
| CN103389253A (en) * | 2013-07-22 | 2013-11-13 | 东华大学 | Test method and device for horizontal yarn sizing wear-resistance |
| CN103528946A (en) * | 2013-10-28 | 2014-01-22 | 天津工业大学 | Fabric friction coefficient measurement instrument |
| CN103926162A (en) * | 2014-04-25 | 2014-07-16 | 青岛市纺织纤维检验所 | Scratch resistance evaluation device for silver fiber |
| CN103926162B (en) * | 2014-04-25 | 2017-12-22 | 青岛市纤维纺织品监督检验研究院 | The resistance to scraped finish evaluation device of silver fiber |
| CN105388078A (en) * | 2015-10-28 | 2016-03-09 | 东华大学 | Device and method for testing wear resistance of fibers |
| CN108385251A (en) * | 2018-02-10 | 2018-08-10 | 江南大学 | A kind of yarn tension control device and method for slashing performance evaluation |
| CN108385251B (en) * | 2018-02-10 | 2020-01-07 | 江南大学 | Yarn tension control device and method for sizing performance evaluation |
| CN108489840A (en) * | 2018-06-01 | 2018-09-04 | 浙江四兄绳业有限公司 | A kind of assembly type rope abrasion dynamic testing machine |
| CN110608944A (en) * | 2019-10-22 | 2019-12-24 | 江南大学 | Analog beating-up device |
| CN110608944B (en) * | 2019-10-22 | 2020-10-02 | 江南大学 | Analog beating-up device |
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Granted publication date: 20091230 Termination date: 20130821 |