JP3055926B2 - Testing method for tensile strength of optical fiber - Google Patents
Testing method for tensile strength of optical fiberInfo
- Publication number
- JP3055926B2 JP3055926B2 JP2291437A JP29143790A JP3055926B2 JP 3055926 B2 JP3055926 B2 JP 3055926B2 JP 2291437 A JP2291437 A JP 2291437A JP 29143790 A JP29143790 A JP 29143790A JP 3055926 B2 JP3055926 B2 JP 3055926B2
- Authority
- JP
- Japan
- Prior art keywords
- take
- optical fiber
- tensile strength
- puller
- speed
- 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.)
- Expired - Lifetime
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は光ファイバ線の耐張力試験方法、さらに詳
しく言えば光ファイバ線が所定の張力に耐えられるかを
走行状態において試験するための試験方法に関するもの
である。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for testing a tensile strength of an optical fiber wire, and more specifically, a test for testing whether an optical fiber wire can withstand a predetermined tension in a running state. It is about the method.
光ファイバ線の張力に耐える程度を試験するために、
従来実施されている方法を第３図について説明する。To test the ability to withstand the tension of fiber optic wires,
A conventional method will be described with reference to FIG.
まず第３図の装置の各要素を上流側から説明する。送
出装置５から送りだされた光ファイバ線１はダンサロー
ル108を経て第１引取装置102に送られる。第１引取装置
102はキャプスタン車102Aの外周におさえベルト102Bを
接触配置して、引き取るべき線条体をおさえベルト102B
によってキャプスタン車102Aの外周面に押圧するように
して送る、いわゆるベルトラップキャプスタンと呼ばれ
る引取装置である。この第１引取装置102はフレーム101
に設けられるものである。First, each element of the apparatus shown in FIG. 3 will be described from the upstream side. The optical fiber line 1 sent from the sending device 5 is sent to the first take-up device 102 via the dancer roll 108. 1st take-up device
102 is a belt 102B in which a holding belt 102B is arranged in contact with the outer periphery of a capstan vehicle 102A to hold a striated body to be taken off.
This is a so-called belt wrap capstan, which is a take-up device that sends the capstan wheel 102A while pressing it against the outer peripheral surface of the capstan wheel 102A. This first take-off device 102 is a frame 101
It is provided in.
第１引取装置102を出た光ファイバ線１はフレーム101
上に回転可能に設けられる案内ローラ104を経て、この
フレーム101に回動自在に取り付けられるアーム106の一
端に回転可能に設けられる回動ローラ105に掛けられた
後、案内ローラ104に対応するフレーム101上の位置に回
転可能に設けられる案内ローラ109を経て下流の第２引
取装置103に向かう。アーム106の他端には適宜の重錘10
7が吊り下げられて回動ローラ105を上方に回動させ、こ
れにより光ファイバ線１に所望の張力をかけることがで
きる。ここで光ファイバ線１に与えられる張力の大きさ
は重錘107の重さに比例することになる。The optical fiber line 1 exiting the first take-off device 102 is
After passing through a guide roller 104 rotatably provided on the upper side and being hung on a rotatable roller 105 rotatably provided at one end of an arm 106 rotatably attached to the frame 101, a frame corresponding to the guide roller 104 It passes through a guide roller 109 rotatably provided at a position on 101 to the second take-off device 103 downstream. An appropriate weight 10 is attached to the other end of the arm 106.
7 is suspended to rotate the rotation roller 105 upward, whereby a desired tension can be applied to the optical fiber line 1. Here, the magnitude of the tension applied to the optical fiber line 1 is proportional to the weight of the weight 107.
第２引取装置103は第１引取装置102と同様にキャプス
タン車103Aまわりにおさえベルト103Bを配したベルトラ
ックキャプスタンである。この第２引取装置103を出た
光ファイバ線１はダンサロール110を経て巻取装置６に
巻き取られる。The second take-up device 103 is a bell track capstan in which a holding belt 103B is arranged around a capstan vehicle 103A similarly to the first take-up device 102. The optical fiber 1 exiting from the second take-up device 103 is taken up by the take-up device 6 via the dancer roll 110.
上述の装置を用いる光ファイバ線の耐張力試験方法の
ひとつは、重錘107の重さを選定して回動アーム105を上
方に引き上げる力Ｋを所望の値に設定することである。
このとき光ファイバ線１には固定された２つの案内ロー
ラ104,109との間でK/2の張力が与えられることが分か
る。耐張力試験のために光ファイバ線１に与えるべき伸
びは規格によって0.85,1,2各パーセントなどと定められ
ており、このような伸びはダンサロール110によって検
出することができるから、そのような伸びを与える重錘
107の重さをあらかじめ知って試験を実施すればよい。One of the tensile strength testing methods for an optical fiber wire using the above-described apparatus is to select the weight of the weight 107 and set the force K for pulling the rotating arm 105 upward to a desired value.
At this time, it is understood that a tension of K / 2 is applied to the optical fiber line 1 between the two fixed guide rollers 104 and 109. The elongation to be given to the optical fiber wire 1 for the tensile strength test is specified by the standard to be 0.85, 1, 2%, etc., and such an elongation can be detected by the dancer roll 110. Weight to give elongation
The test may be performed by knowing the weight of 107 in advance.
この装置を利用するもうひとつの耐張力試験方法は、
重錘107の大きさを適宜に選んでアーム106が水平に平衡
する状態から、第２引取装置103のキャプスタン車103A
を直径の大きいものに交換してこれによりその周速度を
第１引取装置102のそれより大きくして光ファイバ線１
に張力を加えることである。この張力を加えたときの光
ファイバ線１に生じる伸びは第２引取装置103と第１引
取装置102との周速度の差を前記両引取装置間の走行距
離で割った100分率で表される。Another tensile strength test using this device is:
From the state where the arm 106 is horizontally balanced by appropriately selecting the size of the weight 107, the capstan wheel 103A of the second take-off device 103
Is replaced by one having a larger diameter, so that the peripheral speed thereof is higher than that of the first take-off device 102, and
Tension. The elongation that occurs in the optical fiber line 1 when this tension is applied is expressed as a percentage of the difference between the peripheral speeds of the second take-up device 103 and the first take-up device 102 divided by the travel distance between the two take-up devices. You.
またこのとき３個のローラ104,105,109はひとつのダ
ンサロール装置を形成し、アーム106は反時計方向に回
動することになるが、その回動の角度を測定検出するこ
とによって光ファイバ線１に加えられた張力の大きさを
知ることができるものである。At this time, the three rollers 104, 105, and 109 form one dancer roll device, and the arm 106 turns counterclockwise. By measuring and detecting the turning angle, the arm 106 is added to the optical fiber line 1. It is possible to know the magnitude of the applied tension.
従来の方法について言えば、使用装置が一般に大型で
あって、重錘の設定交換、あるいは引取装置のキャプス
タン車の交換など試験実施の手続きが面倒である欠点が
ある。The conventional method has a drawback in that the apparatus used is generally large, and the procedure for conducting a test such as replacement of the setting of the weight or replacement of the capstan vehicle of the take-off apparatus is troublesome.
この発明は従来技術の上述の課題を解決するためにな
されたものであって、耐張力を試験すべき光ファイバ線
を送り出して第１引取装置および第２引取装置を順次経
由させて引き取る工程を有し、前記第２引取装置の引取
速度V2を前記第１引取装置の引取速度V1よりも、前記両
引取装置間の走行距離によって決まる所望の値だけ増大
させる光ファイバ線の耐張力試験方法において、第１引
取装置および第２引取装置をそれぞれ異なった駆動モー
タM1およびM2で駆動せしめ、これ等のモータの回転速度
を所定の値に設定することを特徴とする光ファイバ線の
耐張力試験方法である。The present invention has been made in order to solve the above-mentioned problems of the prior art, and includes a step of sending out an optical fiber line whose tensile strength is to be tested and taking it out through a first take-up device and a second take-up device sequentially. a than said take-up speed V 1 of the said first take-up device take-up speed V 2 of the second take-up device, the tension strength test of the desired value by the optical fiber line to increase determined by the travel distance between the puller in the method, driven to a first pulling device and the second pulling device by individually driving motor M 1 and M 2, of optical fiber lines and sets the rotational speed of which of the motor to a predetermined value This is a tensile strength test method.
第２引取装置の引取速度を第１引取装置のそれよりｖ
＝V2−V1だけ大きくすれば、両引取装置間の走行距離を
Ｌとしてv/L×100パーセントの伸びが光ファイバ線に与
えられる。The take-up speed of the second take-up device is higher than that of the first take-up device by v
= V 2 −V 1, an extension of v / L × 100% is given to the optical fiber line, where L is the traveling distance between the two take-off devices.
しかも使用する試験装置は比較的簡単ですむ。 Moreover, the test equipment used is relatively simple.
まず第１図および第２図を参照してこの発明方法を実
施するひとつの装置例を説明する。First, an example of an apparatus for carrying out the method of the present invention will be described with reference to FIGS.
符号2,3はともにベルトラップキャプスタン式のそれ
ぞれ第１引取装置および第２引取装置であって、符号2
1,31はそれぞれキャプスタン車、同22,32はおさえベル
トを示す。ここで装置を小型簡単にするために、第１お
よび第２の両引取装置2,3のキャプスタン車21,31は同軸
的に配置され、キャプスタン車31を駆動する駆動軸33は
中空であって、その内部をキャプスタン車21の駆動軸23
が延び、キャプスタン車21は駆動モータM1により、キャ
プスタン車31は駆動モータM2によってそれぞれ回転駆動
されるよう構成する。Reference numerals 2 and 3 are a first take-up device and a second take-up device of a belt wrap capstan type, respectively.
Numerals 1 and 31 denote capstan vehicles, and numerals 22 and 32 denote holding belts. Here, in order to make the apparatus compact and simple, the capstan wheels 21, 31 of the first and second take-off devices 2, 3 are coaxially arranged, and the drive shaft 33 for driving the capstan wheel 31 is hollow. The inside of the drive shaft 23 of the capstan car 21
Extends, the capstan wheel 21 by a drive motor M 1, the capstan wheel 31 is adapted to be rotatably driven respectively by a drive motor M 2.
なお符号22Aはベルト22を張るローラである。 Reference numeral 22A denotes a roller for stretching the belt 22.
両キャプスタン車21,31のほぼ中間の下方に傾斜され
た案内ローラ４が配置される。A guide roller 4 that is inclined substantially below the middle between the two capstan wheels 21 and 31 is disposed.
送出装置５から繰りだされた光ファイバ線１は第１引
取装置２を経て案内ローラ４によって方向転回され、つ
いで第２引取装置３を経て巻取装置６に巻き取られるよ
うにセットされる。The optical fiber line 1 unwound from the sending device 5 is set so that it is turned around by the guide roller 4 through the first take-up device 2 and then wound up by the take-up device 6 through the second take-up device 3.
いま第２引取装置３の引取速度V2を第１引取装置２の
引取速度V1よりｖだけ大きくして引き取れば光ファイバ
線１は両引取装置間で引き伸ばされることになるが、そ
の伸び率は前記両引取装置間の走行距離をＬとしてv/L
×100％となる。The take-up speed V 2 of the second take-off device 3 first puller optical fiber line 1 if Hikitore as large as v than the take-up speed V 1 of the 2 becomes to be stretched between the take-up device now, the elongation Is v / L where L is the distance traveled between the two take-off devices.
× 100%.
したがって駆動モータM1,M2の回転速度を所望の値に
設定することによって、容易に所望の伸び率の伸びを光
ファイバ線１に与えることができるのである。Therefore, by setting the rotational speeds of the drive motors M 1 and M 2 to desired values, it is possible to easily give the optical fiber line 1 an elongation at a desired elongation rate.
この発明によれば、下流側の引取装置の引取速度を上
流側の引取装置のそれより大きくすることによって光フ
ァイバ線に張力を与えて伸ばすやり方であるから、張力
の与え方が簡単でその量的管理が容易である利点があ
る。According to the present invention, since the take-up speed of the downstream take-up device is made larger than that of the upstream take-up device to apply tension to the optical fiber wire and extend it, the method of applying tension is simple and the amount There is an advantage that management is easy.
また同じ理由によって、送出装置から巻取装置に至る
まで走行する光ファイバ線の途中に配置して連続的に耐
張力を試験することができる利点がある。For the same reason, there is an advantage that the tensile strength can be continuously tested by being arranged in the middle of the optical fiber wire traveling from the sending device to the winding device.
第１図はこの発明方法を実施するために用いる装置の一
例を示す正面図、第２図は第１図のII−II線による側断
面図、第３図は従来の試験方法を実施するのに用いる装
置例を示す正面図である。 １……光ファイバ線、２……第１引取装置、３……第２
引取装置。FIG. 1 is a front view showing an example of an apparatus used to carry out the method of the present invention, FIG. 2 is a side sectional view taken along the line II-II of FIG. 1, and FIG. FIG. 2 is a front view showing an example of an apparatus used for the present invention. 1 ... optical fiber wire, 2 ... first take-off device, 3 ... second
Pickup device.
Claims (1)
送り出して第１引取装置（２）および第２引取装置
（３）を順次経由させて引き取る工程を有し、前記第２
引取装置（３）の引取速度V2を前記第１引取装置（２）
の引取速度V1よりも、前記両引取装置（2,3）間の走行
距離によって決まる所望の値だけ増大させる光ファイバ
線の耐張力試験方法において、 第１引取装置（２）および第２引取装置（３）をそれぞ
れ異なった駆動モータM1およびM2で駆動せしめ、これ等
のモータの回転速度を所定の値に設定することを特徴と
する光ファイバ線の耐張力試験方法。A step of sending out an optical fiber line (1) whose tensile strength is to be tested and taking it through a first take-up device (2) and a second take-up device (3) sequentially;
Puller (3) the first puller to take-up speed V 2 (2)
Than the take-up speed V 1 of the said in both puller (2, 3) desired tension force test method for the optical fiber lines is increased by a value determined by the distance traveled between the first puller (2) and a second take-up device (3) driven to a respectively different drive motors M 1 and M 2, tension strength test method of an optical fiber line and sets the rotational speed of the motor of this such a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2291437A JP3055926B2 (en) | 1990-10-29 | 1990-10-29 | Testing method for tensile strength of optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2291437A JP3055926B2 (en) | 1990-10-29 | 1990-10-29 | Testing method for tensile strength of optical fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04164227A JPH04164227A (en) | 1992-06-09 |
| JP3055926B2 true JP3055926B2 (en) | 2000-06-26 |
Family
ID=17768860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2291437A Expired - Lifetime JP3055926B2 (en) | 1990-10-29 | 1990-10-29 | Testing method for tensile strength of optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3055926B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180027354A (en) * | 2016-09-05 | 2018-03-14 | 로젠달 넥스트롬 게엠베하 | Apparatus and method for tensile testing |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003519792A (en) * | 1999-12-28 | 2003-06-24 | コーニング インコーポレイテッド | Method and apparatus for performing a tensile test on an optical fiber during fiber drawing and reinserting the same |
| CN106226160A (en) * | 2016-07-29 | 2016-12-14 | 辽宁际华新材料制造有限公司 | A kind of chemical fibre elastic filament tightens percentage elongation and the detection method of elastic restoration ratio |
-
1990
- 1990-10-29 JP JP2291437A patent/JP3055926B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180027354A (en) * | 2016-09-05 | 2018-03-14 | 로젠달 넥스트롬 게엠베하 | Apparatus and method for tensile testing |
| KR101960606B1 (en) | 2016-09-05 | 2019-07-15 | 로젠달 넥스트롬 게엠베하 | Apparatus and method for tensile testing |
| US10488310B2 (en) | 2016-09-05 | 2019-11-26 | Rosendahl Nextrom Gmbh | Apparatus and method for tensile testing |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04164227A (en) | 1992-06-09 |
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