JP6726491B2 - Yarn path abrasion tester and yarn path abrasion test method - Google Patents

Yarn path abrasion tester and yarn path abrasion test method Download PDF

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JP6726491B2
JP6726491B2 JP2016046304A JP2016046304A JP6726491B2 JP 6726491 B2 JP6726491 B2 JP 6726491B2 JP 2016046304 A JP2016046304 A JP 2016046304A JP 2016046304 A JP2016046304 A JP 2016046304A JP 6726491 B2 JP6726491 B2 JP 6726491B2
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JP2017161369A (en
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勝 藤原
勝 藤原
大 宮脇
大 宮脇
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Nippon Steel Nisshin Co Ltd
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Description

糸等の繊維による鋼板の摩耗試験のための糸道摩耗試験機および糸道摩耗試験方法に関する。 The present invention relates to a yarn path wear tester and a yarn path wear test method for a wear test of a steel sheet with fibers such as threads.

摩耗は、その発生メカニズムによって種々の形態に分類される。二部材間の接触や摺動等によって生じる摩耗は、アブレシブ摩耗、凝着摩耗および疲れ摩耗等がある。そして、いずれの摩耗が生じているかは、実機の形態や運転状況によって異なる。 Wear is classified into various forms depending on its generation mechanism. The wear caused by contact or sliding between the two members includes abrasive wear, adhesive wear and fatigue wear. Which type of wear occurs depends on the form of the actual machine and the operating conditions.

例えば編み機や織り機等の繊維機械部品は、糸等の繊維が摺動するため、繊維に含まれるＡｌ２Ｏ３やＳｉＯ２等の夾雑物との摺動によってアブレシブ摩耗が生じる。また、近年では、ＴｉＯ２による艶消しやＡｇによる消臭効果等の高機能な化学繊維が多く開発されており、これらの化学繊維に含まれる微粒子によって摩耗が著しくなっている。 For example, in textile machine parts such as a knitting machine and a weaving machine, fibers such as threads slide, and therefore abrasive wear occurs due to sliding with impurities such as Al 2 O 3 and SiO 2 contained in the fibers. Further, in recent years, many highly functional chemical fibers having a matte effect due to TiO 2 and a deodorant effect due to Ag have been developed, and wear due to fine particles contained in these chemical fibers has become remarkable.

したがって、繊維機械用部品を形成する素材では、一般的な耐摩耗性だけでなく、特に繊維の摺動に対する耐糸摩耗性が求められている。 Therefore, not only general wear resistance but also yarn wear resistance against sliding of fibers is required for materials forming the parts for textile machines.

このような耐糸摩耗性を評価する方法としては、例えば特許文献１の実施例に示す方法や、特許文献２の実施例に示す方法等がある。 As a method for evaluating such yarn abrasion resistance, there are, for example, the method shown in Examples of Patent Document 1 and the method shown in Examples of Patent Document 2.

特許文献１および２では、所定の糸を多くの試験片に押し付け、糸に所定の張力を付与した状態で、試験片を往復移動させることにより、糸と試験片とを摺動させた後、試験片の摩耗量を測定している。 In Patent Documents 1 and 2, a predetermined thread is pressed against many test pieces, and the test piece is reciprocally moved in a state in which a predetermined tension is applied to the thread, thereby sliding the thread and the test piece, The amount of wear of the test piece is measured.

特開平１１−２８６８５２号公報JP, 11-286852, A 特開２００３−１０５５０４号公報JP, 2003-105504, A

上述の特許文献１および２の方法では、一定張力の糸を供試材の表面に一定時間通過させて、摩耗を形成する旨が記載されているが、具体的な方法や試験機の構成が不明である。また、繊維一本毎と供試材とを接触させることから、多くの供試材を準備する必要があるとともに、糸と試料とを往復して摺動させるため、摩耗試験の進行にともなって糸に損傷や切断が発生する可能性があり、安定して摩耗試験を行うことができないのが現状である。 In the methods of Patent Documents 1 and 2 described above, it is described that a thread having a constant tension is passed over the surface of the test material for a certain period of time to form wear, but a specific method and a configuration of a testing machine are described. Unknown. Further, since each fiber is brought into contact with the test material, it is necessary to prepare many test materials, and since the yarn and the sample are slid back and forth, the abrasion test progresses. At present, the yarn may be damaged or cut, and a stable abrasion test cannot be performed.

本発明はこのような点に鑑みなされたもので、安定して糸による摩耗試験を行うことができる糸道摩耗試験機および糸道摩耗試験方法を提供することを目的とする。 The present invention has been made in view of the above points, and an object of the present invention is to provide a yarn path wear tester and a yarn path wear test method that can stably perform an abrasion test with a yarn.

請求項１に記載された糸道摩耗試験機は、試料に糸を接触させた状態で摺動させて摩耗させる糸道摩耗試験機であって、糸供給手段と、糸供給手段からの糸を巻取可能な巻取リールと、巻取リールの外周面に接触して設けられ、糸供給手段から糸を巻取リールへ案内する巻取ドラムと、糸供給手段と巻取ドラムとの間の糸の経路で糸を案内する対をなす支持部材を備え、これら支持部材の間隔に応じて糸のテンションを調整するテンション調整手段と、糸供給手段からの巻取リールに巻き取られて移動する糸の経路における支持部材の間の位置にて試料を所定の荷重で糸に接触させた状態で保持する試料保持手段と、巻取リールと巻取ドラムとが接触した状態を保持する接触保持手段とを具備するものである。 The yarn path abrasion tester according to claim 1 is a yarn path abrasion tester that slides and abrades a sample in a state where the yarn is in contact with the sample, and comprises a yarn supplying unit and a yarn from the yarn supplying unit. A take-up reel which can be wound , a winding drum which is provided in contact with the outer peripheral surface of the winding reel and which guides the yarn from the yarn supplying means to the winding reel, and between the yarn supplying means and the winding drum. A pair of supporting members for guiding the yarn along the yarn path are provided, and tension adjusting means for adjusting the tension of the yarn in accordance with the interval between these supporting members and a winding reel from the yarn supplying means are moved. Sample holding means for holding the sample in a state in which the sample is in contact with the yarn with a predetermined load at a position between the supporting members in the path of the yarn, and contact holding means for holding the state in which the winding reel and the winding drum are in contact with each other. And is equipped with.

請求項２に記載された糸道摩耗試験機は、請求項１記載の糸道摩耗試験機において、巻取ドラムは、その外周面に糸供給手段からの糸を巻取リールへ案内するガイド溝部が設けられ、ガイド溝部は、糸が巻取リールの軸方向に沿って順次巻き付けられるように巻取ドラムの周方向に対して傾斜状であるものである。 The yarn path abrasion tester according to claim 2 is the yarn path abrasion tester according to claim 1, wherein the winding drum has a guide groove portion for guiding the yarn from the yarn supplying means to the winding reel on the outer peripheral surface thereof. Is provided, and the guide groove is inclined with respect to the circumferential direction of the winding drum so that the yarn is sequentially wound along the axial direction of the winding reel.

請求項３に記載された糸道摩耗試験機は、請求項１または２記載の糸道摩耗試験機において、接触保持手段は、巻取リールと巻取ドラムとの一方を他方に押し付ける荷重を付与する重錘を備えるものである。The yarn path abrasion tester described in claim 3 is the yarn path abrasion tester according to claim 1 or 2, wherein the contact holding means applies a load for pressing one of the take-up reel and the take-up drum to the other. It is equipped with a weight.

請求項４に記載された糸道摩耗試験方法は、請求項１ないし３いずれか一記載の糸道摩耗試験機を用いた糸道摩耗試験方法であって、糸供給手段からの糸を巻取リールで巻き取って移動させ、この移動する糸に対しテンション調整手段の支持部材の間の位置にて所定の荷重で試料を接触させて保持し、試料と糸とを摺動させて試料を摩耗させるものである。 A yarn path wear test method described in claim 4 is a yarn path wear test method using the yarn path wear tester according to any one of claims 1 to 3 , wherein the yarn from the yarn supply means is wound. moved wound in reels and holds a sample in contact with a predetermined load at a location between the support member of the tension adjusting means against the yarns this movement, wear a sample slide with a sample and yarn It is what makes me.

本発明によれば、試料に接触して摺動する糸のテンションを支持部材の間隔に応じて調整でき、巻取リールと巻取ドラムとの接触状態が保持できるため、長期間安定して糸による摩耗試験を行うことができる。 According to the present invention, the tension of the yarn that slides in contact with the sample can be adjusted according to the distance between the support members, and the contact state between the take-up reel and the take-up drum can be maintained, so that the yarn can be stably used for a long period of time. Wear test can be performed.

本発明の一実施の形態に係る糸道摩耗試験機の構成を概略的に示す模式図である。It is a schematic diagram which shows roughly the structure of the yarn path abrasion tester which concerns on one embodiment of this invention. 同上糸道摩耗試験機における巻取リールおよび巻取ドラムを示す斜視図である。It is a perspective view showing a winding reel and a winding drum in the above yarn path abrasion tester. 同上糸道摩耗試験機における接触保持手段の構成を概略的に示す側面図である。It is a side view which shows roughly the structure of the contact holding means in the above yarn path abrasion tester. 同上糸道摩耗試験機におけるテンション調整手段を示す斜視図である。It is a perspective view which shows the tension adjustment means in the above yarn path abrasion tester.

以下、本発明の一実施の形態の構成について詳細に説明する。 Hereinafter, the configuration of one embodiment of the present invention will be described in detail.

図１において、１は糸道摩耗試験機であり、この糸道摩耗試験機１は、試料としての試験片２に糸３を接触させた状態で摺動させて、試験片２を摩耗させる摩耗試験を行うものである。 In FIG. 1, reference numeral 1 is a yarn path abrasion tester, and this yarn path abrasion tester 1 abrades the test piece 2 by sliding the test piece 2 as a sample while the thread 3 is in contact therewith. It is a test.

糸道摩耗試験機１は、糸供給手段４から引き出されて供給される任意の材質の糸３が巻き取られる巻取部５と、糸供給手段４からの糸３を巻取部５へ向けて案内する案内部６とを備えている。 The yarn path abrasion tester 1 directs the yarn 3 from the yarn supplying means 4 to the winding portion 5 in which the yarn 3 of an arbitrary material that is drawn and supplied from the yarn supplying means 4 is wound. And a guide section 6 for guiding the user.

糸供給手段４は、外周面に糸３が巻き付けられており、この巻き付けられた糸３の先端部側を引き出すことができる。 The thread supply means 4 has the thread 3 wound around the outer peripheral surface thereof, and the tip side of the wound thread 3 can be pulled out.

巻取部５は、床面に設置された基体11の上部に巻取リール12および巻取ドラム13がそれぞれ回転可能に設置されている。 In the winding unit 5, a winding reel 12 and a winding drum 13 are rotatably installed on an upper portion of a base 11 installed on the floor.

巻取リール12は、例えばポリ塩化ビニル等の合成樹脂で軸方向の一方側が細くいわゆるコーン形に形成されたリール本体14を有し、このリール本体14内に軸部15が固定されている。そして、基体11に対して基端部22を中心に先端部23側が回動可能となるように取り付けられた第１の腕部21の先端側に軸部15が回転可能に軸支されることで、リール本体14が軸部15を中心にして回転可能となる。 The take-up reel 12 has a reel body 14 which is made of a synthetic resin such as polyvinyl chloride and has one side in the axial direction that is thin and has a so-called cone shape, and the shaft portion 15 is fixed in the reel body 14. The shaft portion 15 is rotatably supported on the distal end side of the first arm portion 21 attached to the base body 11 such that the distal end portion 23 side is rotatable around the base end portion 22. Then, the reel unit 14 becomes rotatable around the shaft portion 15.

また、巻取リール12は、糸供給手段４から引き出された糸３の先端部をリール本体14に固定した状態で回転させることで、リール本体14の外周面に糸３が巻き付けられる。 The take-up reel 12 is wound around the outer peripheral surface of the reel body 14 by rotating the take-up reel 12 with the tip of the thread 3 pulled out from the yarn supplying means 4 fixed to the reel body 14.

巻取ドラム13は、合成樹脂で円筒状に形成されたドラム本体16を有し、このドラム本体16内に軸部17が固定されている。そして、軸部17が基体11の上部に回転可能に軸支されることで、ドラム本体16が軸部17を中心に回転可能となる。 The winding drum 13 has a drum body 16 formed of a synthetic resin in a cylindrical shape, and a shaft portion 17 is fixed in the drum body 16. The shaft portion 17 is rotatably supported on the upper portion of the base body 11, so that the drum body 16 can rotate around the shaft portion 17.

また、巻取ドラム13は、ドラム本体16の軸方向がリール本体14の軸方向とはややずれるように設置されるとともに、ドラム本体16の外周面がリール本体14の外周面に接触するように設置されている。そして、このようにドラム本体16とリール本体14とが接触した状態で、巻取ドラム13を例えばモータ等の駆動手段によって回転させると、接触しているリール本体14もドラム本体16とは反対方向に回転する。 The winding drum 13 is installed such that the axial direction of the drum body 16 is slightly displaced from the axial direction of the reel body 14, and the outer peripheral surface of the drum body 16 contacts the outer peripheral surface of the reel body 14. is set up. Then, when the winding drum 13 is rotated by a driving means such as a motor in the state where the drum body 16 and the reel body 14 are in contact with each other in this way, the reel body 14 in contact with the drum body 16 is also in the opposite direction. Rotate to.

図２に示すように、ドラム本体16の外周面には、糸供給手段４からの糸３を係合可能で、その糸３をリール本体14へ案内するガイド溝部18が設けられている。 As shown in FIG. 2, the outer peripheral surface of the drum body 16 is provided with a guide groove portion 18 which can engage the yarn 3 from the yarn supplying means 4 and guide the yarn 3 to the reel body 14.

このガイド溝部18は、ドラム本体16の周方向に対して傾斜状にのび、外周面状で交差している。 The guide groove portion 18 extends obliquely with respect to the circumferential direction of the drum body 16 and intersects with the outer circumferential surface shape.

そして、糸供給手段４からの糸３がガイド溝部18に係合されその糸３の先端部がリール本体14に固定された状態にて、ドラム本体16を回転させると、リール本体14もドラム本体16とは反対方向へ回転するとともに、その回転によってリール本体14に巻き取られる糸３が、傾斜状のガイド溝部18に沿って案内されて、リール本体14の軸方向に沿って往復するように順次巻き付けられる。 Then, when the drum body 16 is rotated with the yarn 3 from the yarn supplying means 4 engaged with the guide groove portion 18 and the tip end portion of the yarn 3 being fixed to the reel body 14, the reel body 14 and the drum body 14 are also rotated. While rotating in the opposite direction to 16, the yarn 3 wound around the reel body 14 by the rotation is guided along the inclined guide groove portion 18 and reciprocates along the axial direction of the reel body 14. It is wound one after another.

ここで、巻取リール12による糸３の巻取量が多くなってくると、巻取リール12が巻取ドラム13から離間する方向へ持ち上げられるため、巻取リール12と巻取ドラム13との接触状態が不安定になってガタツキ等が生じ、糸３の巻き取り中の振動が大きくなる。また、振動が大きくなると、その振動が糸３に伝わって、糸３と試験片２との接触角すなわち摩耗箇所にずれが生じて、摩耗状態に悪影響を与える可能性がある。 Here, when the winding amount of the yarn 3 by the take-up reel 12 increases, the take-up reel 12 is lifted in a direction of separating from the take-up drum 13, so that the take-up reel 12 and the take-up drum 13 are separated from each other. The contact state becomes unstable and rattling occurs, and vibration during winding of the yarn 3 increases. Further, when the vibration becomes large, the vibration is transmitted to the yarn 3 and a contact angle between the yarn 3 and the test piece 2, that is, a worn portion is displaced, which may adversely affect the worn state.

そこで、巻取リール12と巻取ドラム13との接触状態を保持する接触保持手段24が設けられている。 Therefore, contact holding means 24 for holding the contact state between the take-up reel 12 and the take-up drum 13 is provided.

図３に示すように、接触保持手段24は、巻取リール12が取り付けられた第１の腕部21の基端部22に対して接続部25を介して接続された第２の腕部26を有している。 As shown in FIG. 3, the contact holding means 24 has a second arm portion 26 connected via a connecting portion 25 to a base end portion 22 of the first arm portion 21 to which the take-up reel 12 is attached. have.

第２の腕部26は、接続部25に接続された基端部27を中心に先端部28側が回動可能である。この第２の腕部26の先端部28側には、取付部材29を介して所定の質量（例えば８ｋｇ）の重錘30が設けられている。 The second arm portion 26 is rotatable around the base end portion 27 connected to the connecting portion 25 on the tip end portion 28 side. A weight 30 having a predetermined mass (for example, 8 kg) is provided on the tip end 28 side of the second arm 26 via a mounting member 29.

また、第１の腕部21と第２の腕部26とは接続部25において、てこの原理を利用して接続されている。すなわち、重錘30によって第２の腕部26の先端部28側が押し下げられるように荷重が付与されると、てこの原理によって、第１の腕部21の先端部23側に設けられた巻取リール12が、下方である巻取ドラム13側に押し下げられるように荷重が付与され、巻取リール12と巻取ドラム13とが接近する方向へ押し付けられて接触状態が保持される。 Further, the first arm portion 21 and the second arm portion 26 are connected at the connection portion 25 by utilizing the principle of leverage. That is, when a load is applied by the weight 30 such that the tip end 28 side of the second arm portion 26 is pressed down, the take-up provided on the tip end portion 23 side of the first arm portion 21 by the lever principle. A load is applied so that the reel 12 is pushed down toward the winding drum 13 which is the lower side, and the winding reel 12 and the winding drum 13 are pressed in a direction of approaching each other, and the contact state is maintained.

案内部６は、床面に設置された固定台31の上部に固定されたガイド部材32と、固定台31の上部に取外可能に取り付けられた支持部材33，34とが設けられている。 The guide portion 6 is provided with a guide member 32 fixed to an upper portion of a fixed base 31 installed on the floor surface, and support members 33 and 34 detachably attached to an upper portion of the fixed base 31.

そして、糸供給手段４からの糸３は、ガイド部材32および支持部材33，34に順次係合されて巻取部５へ向かって案内され、基体11に設けられたガイド部材36に係合されて巻取リール12および巻取ドラム13へ向かって案内される。すなわち、糸供給手段４からの糸３は、ガイド部材32にて支持部材33へ向かって方向転換され、支持部材33にて支持部材34へ向かって方向転換され、支持部材34にてガイド部材36へ向かって方向転換されて、ガイド部材36にて巻取ドラム13へ向かって方向転換されて、巻取ドラム13のガイド溝部18を通って巻取リール12に巻き付けられる。 Then, the yarn 3 from the yarn supplying means 4 is sequentially engaged with the guide member 32 and the support members 33, 34 and guided toward the winding section 5, and is engaged with the guide member 36 provided on the base 11. And is guided toward the take-up reel 12 and the take-up drum 13. That is, the yarn 3 from the yarn supplying means 4 is turned by the guide member 32 toward the support member 33, turned by the support member 33 toward the support member 34, and turned by the support member 34 by the guide member 36. The guide member 36 changes the direction, and the guide member 36 changes the direction toward the take-up drum 13 and passes the guide groove portion 18 of the take-up drum 13 to wind the take-up reel 12.

また、固定台31には、図示しないロードセルが接続された試料保持手段35が固定され、この試料保持手段35には試験片２が位置調整可能に固定されている。 A sample holding means 35, to which a load cell (not shown) is connected, is fixed to the fixed base 31, and the test piece 2 is fixed to the sample holding means 35 in a positionally adjustable manner.

このように試料保持手段35に固定された試験片２は、支持部材33，34間の糸３に所定の荷重で接触された状態で保持される。 The test piece 2 fixed to the sample holding means 35 in this manner is held in a state of being in contact with the thread 3 between the support members 33 and 34 with a predetermined load.

そして、試験片２が糸３に接触された状態で、糸３が巻取リール12に巻き取られることで、糸供給手段４から巻取リール12へ向かって糸３が一方方向に移動されて、糸３と試験片２とが所定の荷重で摺動する。 The yarn 3 is wound on the take-up reel 12 while the test piece 2 is in contact with the yarn 3, so that the yarn 3 is moved in one direction from the yarn supplying means 4 toward the take-up reel 12. , The thread 3 and the test piece 2 slide with a predetermined load.

ここで、図４に示すように、固定台31における支持部材33，34の取付位置を変更することにより、糸供給手段４と巻取リール12との間で試験片２が接触した状態の糸３のテンションを調整できる。すなわち、固定台31の複数の開口部37と支持部材33，34とがテンション調整手段として作用する。 Here, as shown in FIG. 4, by changing the mounting positions of the support members 33 and 34 on the fixed base 31, the yarn in the state where the test piece 2 is in contact between the yarn supplying means 4 and the take-up reel 12 You can adjust the tension of 3. That is, the plurality of openings 37 of the fixed base 31 and the support members 33 and 34 act as tension adjusting means.

次に、上記糸道摩耗試験機１を用いた糸道摩耗試験方法について説明する。 Next, a yarn path wear test method using the yarn path wear tester 1 will be described.

まず、糸供給手段４から糸３を引き出して、この糸３を、ガイド部材32、支持部材33，34およびガイド部材36に順次係合させ、巻取ドラム13のガイド溝部18を通して巻取リール12に固定して、糸供給手段４から巻取リール12に糸３を巻き掛ける。 First, the yarn 3 is pulled out from the yarn supplying means 4, the yarn 3 is sequentially engaged with the guide member 32, the support members 33, 34, and the guide member 36, and the take-up reel 12 is passed through the guide groove portion 18 of the take-up drum 13. Then, the yarn 3 is wound around the take-up reel 12 from the yarn supplying means 4.

また、試料保持手段35に試験片２を固定し、必要に応じて支持部材33，34の取付位置を変更して糸３のテンションを調整するとともに、試験片２の糸３への押し付け荷重を調整する。 Further, the test piece 2 is fixed to the sample holding means 35, the attachment positions of the support members 33 and 34 are changed as necessary to adjust the tension of the thread 3, and the pressing load of the test piece 2 on the thread 3 is applied. adjust.

さらに、第２の腕部26の取付部材29に重錘30を取り付け、巻取リール12が巻取ドラム13側へ押し付けられるように荷重を付与する。 Further, the weight 30 is attached to the attachment member 29 of the second arm portion 26, and a load is applied so that the take-up reel 12 is pressed against the take-up drum 13 side.

そして、所定の送り速度となるように巻取ドラム13の回転速度を設定するとともに、所定の摩耗距離となるように巻取ドラム13の回転時間を設定する。 Then, the rotation speed of the winding drum 13 is set so as to have a predetermined feed speed, and the rotation time of the winding drum 13 is set so as to have a predetermined wear distance.

その後、巻取ドラム13を回転させて、試験片２に対して糸３を摺動させ、糸３による摩擦によって試験片２を摩耗させる。 After that, the winding drum 13 is rotated to slide the thread 3 on the test piece 2, and the test piece 2 is abraded by the friction of the thread 3.

摩耗試験終了後には、重量変化や体積変化によって摩耗量を測定する。例えば、試験片２の形状をレプリカ樹脂に転写し、摩耗部分をレーザ顕微鏡で観察する。また、レーザ顕微鏡での観察により、摩耗痕深さ等を測定し比摩耗量を算出して、試験片２に関する糸３による耐摩耗性を評価する。 After the abrasion test, the amount of abrasion is measured by the change in weight and the change in volume. For example, the shape of the test piece 2 is transferred to the replica resin, and the worn portion is observed with a laser microscope. Further, by observing with a laser microscope, the depth of wear and the like are measured to calculate the specific wear amount, and the wear resistance of the test piece 2 with the yarn 3 is evaluated.

上記一実施の形態によれば、支持部材33，34の固定台31における取付位置を調整することで試験片２に接触して摺動する糸３のテンションを容易に調整できるため、試験片２の素材や糸３の種類に応じて、摩擦状態を適切に設定でき、摩耗試験中の糸３の損傷や破断等の不具合を防止できる。 According to the above-described one embodiment, the tension of the thread 3 that comes into contact with and slides on the test piece 2 can be easily adjusted by adjusting the mounting position of the support members 33, 34 on the fixed base 31, and thus the test piece 2 The frictional state can be appropriately set according to the material and the type of the yarn 3, and defects such as damage and breakage of the yarn 3 during the abrasion test can be prevented.

また、重錘30によって巻取リール12を巻取ドラム13へ向けて押し付けるように荷重を付与した状態で摩耗試験を行うため、巻取リール12による糸３の巻き取りが進行しリール本体14の外周面に巻き付けられた糸３の厚みが厚くなっても、巻取リール12と巻取ドラム13との接触状態を保持できる。したがって、巻取リール12による糸３の巻取状態が安定し、巻き取りの進行にともなう糸３のずれ等の不具合が生じにくく、その不具合によって糸３のテンションや糸３に対する試験片２の押し付け荷重が変化してしまうことを防止でき、一定の試験条件で摩耗を進行できる。 Further, since the abrasion test is performed in a state in which a load is applied by the weight 30 so as to press the take-up reel 12 toward the take-up drum 13, the winding of the yarn 3 by the take-up reel 12 proceeds and the reel main body 14 moves. Even if the yarn 3 wound around the outer peripheral surface becomes thick, the contact state between the take-up reel 12 and the take-up drum 13 can be maintained. Therefore, the winding state of the yarn 3 by the take-up reel 12 is stable, and the trouble such as the displacement of the yarn 3 due to the progress of winding hardly occurs, and the trouble causes the tension of the yarn 3 and the pressing of the test piece 2 against the yarn 3. It is possible to prevent the load from changing, and it is possible to progress wear under constant test conditions.

したがって、例えば比較的長期間で糸３による摩耗試験を行う場合であっても、安定して、摩耗試験を行うことができる。 Therefore, even when the abrasion test with the yarn 3 is performed for a relatively long period of time, the abrasion test can be stably performed.

また、数ｍｍ角程度で摩耗試験の試験片としては非常に小さな試験片であっても、摩耗試験を実施できる。 Further, even if the test piece is a few mm square and is very small as a wear test piece, the wear test can be performed.

さらに、糸の送り速度、試験片への荷重、糸のテンションおよび糸の種類を変更可能であるため、これらの条件を適宜変更することで加速試験が可能となる。 Furthermore, since the yarn feeding speed, the load on the test piece, the yarn tension, and the yarn type can be changed, the acceleration test can be performed by appropriately changing these conditions.

なお、上記一実施の形態では、試験片２が固定される固定台31における支持部材33，34の取付位置を変更することにより、糸３のテンションを調整する構成としたが、このような構成には限定されず、テンション調整手段は、糸供給手段４と巻取リール12および巻取ドラム13との間の糸３のテンションを調整できる構成であれば、適宜変更できる。 In the above-described embodiment, the tension of the thread 3 is adjusted by changing the mounting positions of the support members 33 and 34 on the fixing base 31 to which the test piece 2 is fixed. The tension adjusting means is not limited to this, and can be appropriately changed as long as the tension of the thread 3 between the yarn supplying means 4, the winding reel 12 and the winding drum 13 can be adjusted.

また、接触保持手段24は、てこの原理を利用して、重錘30によって巻取リール12を巻取ドラム13側へ押し付けるように荷重を付与することで接触状態を保持する構成としたが、このような構成には限定されず、巻取リール12および巻取ドラム13の少なくとも一方を、これら巻取リール12と巻取ドラム13とが接触した状態を保持するように押し付ける構成であればよい。 Further, the contact holding means 24 uses the lever principle to hold the contact state by applying a load so as to press the take-up reel 12 toward the take-up drum 13 side by the weight 30. The configuration is not limited to this, and at least one of the take-up reel 12 and the take-up drum 13 may be pressed so as to maintain the state where the take-up reel 12 and the take-up drum 13 are in contact with each other. ..

１ 糸道摩耗試験機
２ 試料としての試験片
３ 糸
４ 糸供給手段
12 巻取リール
13 巻取ドラム
18 ガイド溝部
24 接触保持手段
30 重錘
33，34 支持部材
35 試料保持手段 1 yarn path abrasion tester 2 test piece as a sample 3 yarn 4 yarn supply means
12 take-up reel
13 winding drum
18 Guide groove
24 Contact holding means
30 weights
33, 34 support members
35 Sample holding means

Claims (4)

試料に糸を接触させた状態で摺動させて摩耗させる糸道摩耗試験機であって、
糸供給手段と、
糸供給手段からの糸を巻取可能な巻取リールと、
巻取リールの外周面に接触して設けられ、糸供給手段から糸を巻取リールへ案内する巻取ドラムと、
糸供給手段と巻取ドラムとの間の糸の経路で糸を案内する対をなす支持部材を備え、これら支持部材の間隔に応じて糸のテンションを調整するテンション調整手段と、
糸供給手段からの巻取リールに巻き取られて移動する糸の経路における支持部材の間の位置にて試料を所定の荷重で糸に接触させた状態で保持する試料保持手段と、
巻取リールと巻取ドラムとが接触した状態を保持する接触保持手段と
を具備することを特徴とする糸道摩耗試験機。 A yarn path abrasion tester that abrades a sample by sliding it in contact with the yarn,
Yarn supply means,
A winding reel capable of winding the yarn from the yarn supplying means,
A winding drum which is provided in contact with the outer peripheral surface of the winding reel and guides the yarn from the yarn supplying means to the winding reel;
A pair of supporting members for guiding the yarn along the yarn path between the yarn supplying means and the winding drum, and tension adjusting means for adjusting the tension of the yarn in accordance with the distance between the supporting members ,
Sample holding means for holding the sample in a state in which the sample is brought into contact with the yarn with a predetermined load at a position between the support members in the path of the yarn wound and moved by the winding reel from the yarn supplying means,
A yarn path abrasion tester, comprising: a contact holding unit that holds a state in which the winding reel and the winding drum are in contact with each other. 巻取ドラムは、その外周面に糸供給手段からの糸を巻取リールへ案内するガイド溝部が設けられ、
ガイド溝部は、糸が巻取リールの軸方向に沿って順次巻き付けられるように巻取ドラムの周方向に対して傾斜状である
ことを特徴とする請求項１記載の糸道摩耗試験機。 The winding drum is provided on its outer peripheral surface with a guide groove portion for guiding the yarn from the yarn supplying means to the winding reel.
2. The yarn path abrasion tester according to claim 1, wherein the guide groove portion is inclined with respect to the circumferential direction of the winding drum so that the yarn is sequentially wound along the axial direction of the winding reel. 接触保持手段は、巻取リールと巻取ドラムとの一方を他方に押し付ける荷重を付与する重錘を備えるThe contact holding means includes a weight that applies a load that presses one of the take-up reel and the take-up drum against the other.
ことを特徴とする請求項１または２記載の糸道摩耗試験機。The yarn path abrasion tester according to claim 1 or 2, characterized in that. 請求項１ないし３いずれか一記載の糸道摩耗試験機を用いた糸道摩耗試験方法であって、
糸供給手段からの糸を巻取リールで巻き取って移動させ、
この移動する糸に対しテンション調整手段の支持部材の間の位置にて所定の荷重で試料を接触させて保持し、試料と糸とを摺動させて試料を摩耗させる
ことを特徴とする糸道摩耗試験方法。 A yarn path wear test method using the yarn path wear tester according to any one of claims 1 to 3 ,
Take up the yarn from the yarn supply means with the take-up reel and move it,
Yarn path and held in contact with the sample, characterized in that a sample and the yarn is slid to wear a sample with a predetermined load at a location between the support member of the tension adjusting means against the yarn this movement Abrasion test method.
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