JP2010054226A - Device for forming notch in rubber specimen - Google Patents

Device for forming notch in rubber specimen Download PDF

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JP2010054226A
JP2010054226A JP2008216764A JP2008216764A JP2010054226A JP 2010054226 A JP2010054226 A JP 2010054226A JP 2008216764 A JP2008216764 A JP 2008216764A JP 2008216764 A JP2008216764 A JP 2008216764A JP 2010054226 A JP2010054226 A JP 2010054226A
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test piece
rubber test
sample
sample stage
pair
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Tsutomu Yamada
力 山田
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Bridgestone Corp
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Bridgestone Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a device for forming a notch in a rubber specimen that always, certainly improves the notch forming accuracy in the rubber specimen and greatly raises the reliability of a measurement result of physical properties such as adhesive strength. <P>SOLUTION: A sample stand 4 for mounting a strip rubber specimen at a flat attitude is disposed. A pair of cutter stands 5 and 6 for holding cutters 7 and 8 for forming a notch in respective side sections of the rubber specimen at predetermined positions of the thickness direction of the rubber specimen are arranged in the side sections of the sample stand 4. The sample stand 4 and the pair of cutter stands 5 and 6 are relatively displaceable in the length direction of the rubber specimen. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

この発明は、加硫ゴム部材の剥離試験その他の物性試験に供される、短冊状をなす加硫ゴム試験片の側部への切込み形成装置に関するものであり、とくには、切込みの形成位置精度および、深さ精度等を十分に高めて、物性試験の信頼性の大きな向上を可能とする技術を提案するものである。   TECHNICAL FIELD The present invention relates to an incision forming apparatus for a side portion of a vulcanized rubber test piece having a strip shape, which is used for a peel test of a vulcanized rubber member and other physical property tests. And the technique which raises depth accuracy etc. sufficiently and enables the big improvement in the reliability of a physical property test is proposed.

たとえば、加硫ゴム部材の、異種ゴム同士もしくは同種ゴム同士の接着強度を測定するときは、加硫ゴム試験片の接着界面に、ガイドと称される規定深さの切込みを形成した状態でその測定を行う必要があり、この場合の切込みは、所期した通りの位置に、所定の深さで正確に形成することが必要である。   For example, when measuring the adhesive strength of vulcanized rubber members between different types of rubber or between the same type of rubber, in the state where a notch of a prescribed depth called a guide is formed at the adhesive interface of the vulcanized rubber test piece It is necessary to make a measurement. In this case, the notch needs to be accurately formed at a predetermined depth at a predetermined position.

しかるに従来は、この種の切込みを、万力等で挟持した加硫ゴム試験片に対し、作業者が、ナイフ、カッター等を用いて手作業で形成することとしていたため、試験片の所要の厚み方向位置に所定の深さの切込みを、高い精度をもって常に確実に形成することが甚だ困難であり、これがため、その試験片を用いた測定結果には必然的に大きなばらつきが含まれることになり、測定結果に対する信頼性も自と低いものになるという問題があった。   Conventionally, however, this type of incision was made manually by a worker using a knife, cutter, etc. against a vulcanized rubber test piece sandwiched between vise etc. It is very difficult to always make a cut with a predetermined depth at a position in the thickness direction with high accuracy, and as a result, the measurement results using the test piece necessarily include large variations. Therefore, there is a problem that the reliability of the measurement result is low.

この発明は、従来技術が抱えるこのような問題点を解決することを課題とするものであり、それの目的とするところは、ゴム試験片への切込み形成精度を常に確実に高めることができ、ひいては、接着強度等の物性の測定結果に対する信頼性を大きく向上させることができる、ゴム試験片への切込み形成装置を提供するにある。   The present invention has an object to solve such problems of the prior art, and the purpose of the invention is to always improve the accuracy of cutting formation on a rubber test piece, As a result, it is in providing the incision forming apparatus to the rubber test piece which can improve the reliability with respect to the measurement result of physical properties, such as adhesive strength, greatly.

この発明の、ゴム試験片への切込み形成装置は、短冊状の加硫済みゴム試験片を平坦姿勢で載置する試料台を設けるとともに、そのゴム試験片の各側部への切込み形成用のカッター、たとえば、水平面内で回動する回転刃カッターもしくは固定はカッターを、ゴム試験片の厚み方向の所定位置に保持する一対の刃物台を、試料台の各側部に配設し、試料台と、一対の刃物台とをゴム試験片の長さ方向に、駆動手段の作用の下で、または、手動操作によって相対変位可能としてなるものである。   The incision forming device for a rubber test piece according to the present invention is provided with a sample table for placing a strip-like vulcanized rubber test piece in a flat posture, and for forming a cut on each side of the rubber test piece. A cutter, for example, a rotary blade cutter that rotates in a horizontal plane or a fixed cutter, and a pair of turrets that hold the cutter in a predetermined position in the thickness direction of the rubber test piece are arranged on each side of the sample table, and the sample table And the pair of tool rests can be relatively displaced in the length direction of the rubber test piece under the action of the driving means or by manual operation.

この場合の相対変位は、試料台および、一対の刃物台の少なくとも一方を、試料台に載置されるゴム試料片の長さ方向に移動可能とすることによって実現することができる。   The relative displacement in this case can be realized by making at least one of the sample table and the pair of tool rests movable in the length direction of the rubber sample piece placed on the sample table.

このような装置においてより好ましくは、ゴム試験片を試料台上に、たとえば、それの全体にわたって、もしくは部分的に位置決め保持して拘束する、たとえば蓋様の試料押えを設け、また好ましくは、この試料押えの上面レベルを、たとえば、刃物台に近接した位置で特定するガイドローラ、すなわち、水平軸線の周りで回転するガイドローラを設ける。   More preferably in such an apparatus, for example, a lid-like sample presser is provided, which preferably holds and restrains the rubber test piece on the sample stage, for example, in its entirety or in part. For example, a guide roller that specifies the upper surface level of the sample presser at a position close to the tool post, that is, a guide roller that rotates around a horizontal axis is provided.

そしてまた、一対の刃物台もしくは試料台の昇降機構部を設けること、各刃物台、ひいては、刃物台に保持したカッターの、試料台に対する進退機構部を設けることが好ましい。   In addition, it is preferable to provide a pair of turrets or a lifting / lowering mechanism part of the sample stage, and to provide an advancing / retreating mechanism part for each of the turrets and eventually the cutter held on the turret.

この発明の切込み形成装置では、試料台上に平坦姿勢で載置した短冊状ゴム試験片を、一対の刃物台のそれぞれのカッターに対し、試料台と刃物台との相対変位によってゴム試験片の長さ方向に変位させることにより、カッターの予め選択された高さ位置に基いて、ゴム試験片の厚さ方向の所定の位置に、常に確実に切込みを形成することができ、また、それらのカッターの、試料台側への、予め選択された突出量に基いて、ゴム試料片の両側部に、所要に応じた一定深さの切込みを、常に高い精度で形成することができ、このようにして形成される切込みの、ゴム試験片の厚さ方向位置、および深さのそれぞれを、切込みを形成される全てのゴム試験片について、高い精度をもってほぼ一定とすることができるので、それらの試験片を用いた、たとえば接着強度の測定結果を、ばらつきのない、信頼性の十分高いものとすることができる。   In the incision forming apparatus of the present invention, the strip-shaped rubber test piece placed in a flat posture on the sample table is moved relative to each cutter of the pair of tool rests by the relative displacement between the sample stand and the tool rest. By displacing in the length direction, it is possible to always form a cut at a predetermined position in the thickness direction of the rubber test piece based on the pre-selected height position of the cutter. Based on the pre-selected amount of projection of the cutter to the sample stage, it is possible to always make a cut with a certain depth on both sides of the rubber sample piece with high accuracy. The thickness direction position and depth of the rubber test piece of the cut formed in this way can be made almost constant with high accuracy for all the rubber test pieces formed with the cut. Using test specimen , For example, the measurement results of the adhesive strength, no variation can be made in reliability sufficiently high.

ところで、試料台と、一対の刃物台との、ゴム試験片の長さ方向への相対変位は、それらのいずれか一方のみを、ゴム試験片の長さ方向に移動可能とした場合、および、それらの両者をともに移動可能とした場合のいずれにおいても、同等の精度の下で実現可能であるが、前者によれば、装置の構造を簡素化できる利点がある。   By the way, the relative displacement in the length direction of the rubber test piece between the sample stage and the pair of tool rests, when only one of them is movable in the length direction of the rubber test piece, and Any of the cases where both of them can be moved can be realized with the same accuracy, but according to the former, there is an advantage that the structure of the apparatus can be simplified.

またここで、ゴム試験片を試料台上に位置決め保持する試料押えを設けた場合は、ゴム試験片の、カッターからの逃げ変形等の、意図しない変形を防止して、切込みの形成精度を一層高めることができる。従ってこの場合は、試料押えを、ゴム試験片の全体にわたって位置決め保持するものとすることが、切込み形成精度をより高める上で好ましい。   Also, here, when a sample presser that positions and holds the rubber test piece on the sample stage is provided, the rubber test piece is prevented from unintentional deformation, such as escape deformation from the cutter, and the cut formation accuracy is further increased. Can be increased. Therefore, in this case, it is preferable that the sample presser is positioned and held over the entire rubber test piece in order to further improve the cut formation accuracy.

そしてまた、このような蓋様の試料押えの上面レベルを特定する水平なガイドローラを、たとえば、刃物台に近接させて設けたときは、ガイドローラによる、試料押えの拘束下で、上述したような試料押えの作用と相俟って、カッターによる切込みの形成精度をより一層高めることができる。   In addition, when a horizontal guide roller for specifying the upper surface level of the lid-like sample presser is provided close to the tool post, for example, as described above under the restraint of the sample presser by the guide roller. Combined with the action of the sample holder, it is possible to further increase the accuracy of forming the cut by the cutter.

ここで、一対の刃物台もしくは試料台の昇降機構部を設けたときは、その昇降機構部の作用下で、ゴム試験片に対する切込みの形成位置を、ゴム試験片の厚み方向に、十分な精度をもって適宜変更することができ、また、カッターを保持する各刃物台の、試料台に対する進退機構部を設けたときは、刃物台、ひいては、そこに保持したカッターの、試料台上のゴム試験片に対する進退位置を所期した通りに調整して、カッターにて形成される切込みの深さを、高い精度でコントロールすることができる。   Here, when the lifting mechanism part of the pair of tool rests or the sample stage is provided, the position of the cut with respect to the rubber test piece is sufficiently accurate in the thickness direction of the rubber test piece under the action of the lifting mechanism part. In addition, when an advancing / retreating mechanism portion of each tool post for holding the cutter with respect to the sample stand is provided, the tool post, and thus the rubber test piece on the sample stand of the cutter held there By adjusting the forward / backward position with respect to the desired position, the depth of cut formed by the cutter can be controlled with high accuracy.

図１はこの発明の実施の形態を示す平面図であり、図２は、図１の部分断面側面図である。
図中１はベースプレートを、２は、ベースプレート１の長さ方向の両端、図では左右の両端に立設させて設けた一対のブラケットをそれぞれ示し、これらの一対のブラケット２は、それらに水平に取付けた上下二本の平行ガイドロッド３ａ，３ｂを介して、後に詳述する試料台４を、ガイドロッド３ａ，３ｂの延在方向へ摺動自在に支持する。 FIG. 1 is a plan view showing an embodiment of the present invention, and FIG. 2 is a partial sectional side view of FIG.
In the figure, 1 indicates a base plate, 2 indicates a pair of brackets provided upright at both ends in the length direction of the base plate 1, and both left and right ends in the figure, and the pair of brackets 2 are arranged horizontally on them. A sample stage 4, which will be described in detail later, is slidably supported in the extending direction of the guide rods 3a and 3b through the two upper and lower parallel guide rods 3a and 3b.

また図中５，６はそれぞれ、試料台４の各側部でベースプレート１上に固定配置した一対の刃物台をそれぞれ示し、各刃物台５，６は、カッター７，８、図では水平面内で回動する回転刃カッターを水平姿勢で保持する。
なお、これらのカッター７，８は固定刃カッターに変更できることはもちろんである。 Reference numerals 5 and 6 denote a pair of tool rests fixedly arranged on the base plate 1 at each side of the sample stage 4, respectively. The tool rests 5 and 6 are arranged in the horizontal planes of the cutters 7 and 8, respectively. Hold the rotating blade cutter in a horizontal position.
Of course, these cutters 7 and 8 can be changed to fixed blade cutters.

ここで、試料台４、図ではガイドロッド３ａ，３ｂ上での後退姿勢で示す試料台４は、短冊状のゴム試験片を平坦姿勢で載置する窪み部４ａをその上面側に有する。
この窪み部４ａは、たとえば、幅、長さおよび厚みのそれぞれを、１０ｍｍ×１２０ｍｍ×５〜７ｍｍとすることができる図示しないゴム試験片に対し、幅、長さおよび深さのそれぞれを、１０．２ｍｍ×１２２ｍｍ×２．０ｍｍの寸法を有するものとすることができる。 Here, the sample table 4, which is shown in the drawing in a retracted posture on the guide rods 3a and 3b, has a recess 4a on the upper surface side for placing a strip-shaped rubber test piece in a flat posture.
The recess 4a has, for example, a width, length and depth of 10 mm × 120 mm × 5 to 7 mm, and a width, length and depth of 10 mm respectively. It may have dimensions of 2 mm × 122 mm × 2.0 mm.

ここでより好ましくは、窪み部４ａ内に平坦姿勢で載置した加硫ゴム試験片に対する位置決め保持をより確実なものとするべく、試料台４の窪み部４ａと対応する位置に、図２から明らかなように、窪み部４ａ内のゴム試験片に対して蓋様に機能する試料押え９を配設する。   More preferably, in order to ensure positioning and holding with respect to the vulcanized rubber test piece placed in a flat posture in the recessed portion 4a, the position corresponding to the recessed portion 4a of the sample table 4 is set from FIG. As is apparent, a sample presser 9 that functions like a lid is disposed on the rubber test piece in the recess 4a.

ところで、窪み部４ａ内のゴム試験片上にこのような試料押え９を配設してなお、試料台４の、刃物台５，６に対する相対変位に基いて、そのゴム試験片の側部に、刃物台５，６に保持したカッター７，８による切り込みの形成を可能とするためには、試料押え９の配設状態の下でなお、その試料押え９と試料台４との間に、図２に示すような、カッター７，８の進入を許容する隙間を設けることが必要になる。   By the way, such a sample presser 9 is arranged on the rubber test piece in the hollow portion 4a, and on the side of the rubber test piece based on the relative displacement of the sample table 4 with respect to the tool rests 5 and 6, In order to enable the incision to be formed by the cutters 7 and 8 held on the tool rests 5 and 6, it is still possible to place the As shown in FIG. 2, it is necessary to provide a gap that allows the cutters 7 and 8 to enter.

なお、この実施形態の下での、試料台４の、刃物台５，６に対する上記相対変位は、試料台４を、図ではその左端部に設けたノブ１０を把握して、ガイドロッド３ａ，３ｂの案内下で、位置固定の刃物台５，６に対して図の左方側へ摺動変位させることによって行うことができる。   The relative displacement of the sample stage 4 with respect to the tool rests 5 and 6 under this embodiment is as follows. The sample table 4 is grasped by the knob 10 provided at the left end in the drawing, and the guide rods 3a, Under the guidance of 3b, it can be performed by sliding and displacing the fixed tool post 5, 6 to the left side of the figure.

そしてこの場合、より好ましくは、試料押え９の上面に接触して、それの上面レベルを特定する水平なガイドローラ１１を、たとえば、刃物台５，６の近傍位置でベースプレート１上に配設し、これにより、ゴム試験片に形成される切込みの、ゴム試験片の厚み方向の位置精度の一層の向上をもたらす。   In this case, more preferably, a horizontal guide roller 11 that contacts the upper surface of the sample presser 9 and specifies the upper surface level thereof is disposed on the base plate 1 at a position near the tool rests 5 and 6, for example. Thereby, the further improvement of the positional accuracy of the notch formed in the rubber test piece in the thickness direction of the rubber test piece is brought about.

ここで、ベースプレート１に固定配置される刃物台５，６で保持するカッター７，８の高さ方向位置、いいかえれば、試料台４の窪み部４ａ内に平坦姿勢で載置されるゴム試験片の厚み方向位置の調整は、一対の刃物台５，６もしくは試料台４、図では試料台４を水平変位可能としている都合上、刃物台５，６に昇降機構部を設けて、たとえば、図３に、図２のIII−III線に沿う断面で示すように、調整ノブ１２の回動操作に基いて、刃物台５，６の所要の昇降変位をもたらし、カッター７，８が所定の高さ、たとえば、ゴム試験片の厚みの丁度１／２に達したときに、クランプつまみ１３によって刃物台５，６の高さを特定することに行うことができる。   Here, the height direction position of the cutters 7 and 8 held by the tool rests 5 and 6 fixed to the base plate 1, in other words, the rubber test piece placed in a flat posture in the recess 4 a of the sample table 4. In order to adjust the position in the thickness direction, a pair of turrets 5 and 6 or the sample stage 4, and in the drawing, the sample stage 4 can be horizontally displaced. 3, as shown in the section along the line III-III in FIG. 2, the required turrets 5 and 6 are moved up and down based on the turning operation of the adjustment knob 12, and the cutters 7 and 8 are moved to a predetermined height. For example, when the thickness of the rubber test piece is exactly ½, the height of the tool rests 5 and 6 can be specified by the clamp knob 13.

また、それぞれの刃物台５，６で保持したカッター７，８の、ゴム試験片への切込み深さの調整は、各刃物台５，６の、試料台４に対する図示しない進退機構部の作用の下で、たとえば、刃物台５，６を固定しているボルトをゆるめ、刃物台５，６の横に設置されているスケールを目安としてゴム試験片の幅方向に刃物台５，６を移動させて、カッター刃間隔を調整することによって行うことができる。   Moreover, the adjustment of the cutting depth of the cutters 7 and 8 held by the respective tool rests 5 and 6 into the rubber test piece is performed by the action of the advancing / retreating mechanism (not shown) of the tool rests 5 and 6 with respect to the sample table 4. Below, for example, the bolts holding the tool rests 5 and 6 are loosened, and the tool rests 5 and 6 are moved in the width direction of the rubber specimen using the scale installed beside the tool rests 5 and 6 as a guide. Then, it can be performed by adjusting the cutter blade interval.

以上のように構成してなる切込み形成装置をもって、短冊状の加硫ゴム試験片に所要の切込みを形成するに当っては、試料台４上に載置して、試料押え９でそこに拘束されるゴム試験片に対し、刃物台５，６の高さを上述したようにして予め調整して、たとえばカッター７，８を、ゴム試験片の厚みの半分の高さ位置となるようにセットするとともに、そのゴム試験片のそれぞれの側部に対する、カッター７，８の切込み深さを、たとえば、カッター刃間隔を５ｍｍに調整した後、ゴム試験片に切り込みを形成し、１０倍の倍率を有するマイクロスコープによって切り込み深さを測定して、切り込み深さが２．５ｍｍから０．２５ｍｍ以上外れていた場合は再度カッター刃間隔を微調整し、２．５±０．２５ｍｍになるまでこの操作を繰り返すことによって調整する。   In order to form the required notch in the strip-shaped vulcanized rubber test piece with the incision forming apparatus configured as described above, it is placed on the sample table 4 and restrained by the sample presser 9. The height of the tool rests 5 and 6 is adjusted in advance as described above with respect to the rubber test piece, and for example, the cutters 7 and 8 are set so as to be at a height position half the thickness of the rubber test piece. In addition, after adjusting the cutting depth of the cutters 7 and 8 with respect to the respective side portions of the rubber test piece, for example, the cutter blade interval is adjusted to 5 mm, a cut is formed in the rubber test piece, and the magnification is 10 times. Measure the depth of cut with the microscope you have, and if the depth of cut is more than 0.25mm from 2.5mm, finely adjust the cutter blade spacing again, and continue this operation until it reaches 2.5 ± 0.25mm. Repeat It is adjusted by.

この一方で、試料押え９の上面レベルを、水平なガイドローラ１１をもって特定するべく、ガイドローラ１１が、試料押え９の上面に丁度接触するように、ベースプレート１に立設させたガイドローラ支柱１４の伸縮位置を特定し、その後、試料台４のノブ１０を把持して、その試料台４を、そこに位置決め載置したゴム試験片とともに、図１、２の左方側へ変位させる。   On the other hand, in order to specify the upper surface level of the sample holder 9 with the horizontal guide roller 11, the guide roller column 14 erected on the base plate 1 so that the guide roller 11 just contacts the upper surface of the sample holder 9. After that, the knob 10 of the sample stage 4 is gripped, and the sample stage 4 is displaced to the left side of FIGS. 1 and 2 together with the rubber test piece positioned and mounted thereon.

これらのことによれば、予め高さを調整されるととも、ゴム試験片に対する切込み深さを調整されたそれぞれのカッター７，８により、そのゴム試験片の両側部で、厚み方向の所定位置に所期した通りの深さの切込みが高い精度で常に確実に形成されることになるので、図４に斜視図で例示するような切込みを形成されたその試験片を用いた、接着強度等の物性測定結果に対する信頼性は、従来技術に比して大きく向上することになる。   According to these things, the height is adjusted in advance, and the cutter 7 and 8 whose depth of cut with respect to the rubber test piece is adjusted, respectively, at the predetermined positions in the thickness direction on both sides of the rubber test piece. Since the depth of cut as expected is always formed with high accuracy, the adhesive strength using the test piece formed with the cut as illustrated in the perspective view of FIG. The reliability with respect to the physical property measurement result is greatly improved as compared with the prior art.

幅が１０ｍｍ、長さが１５０ｍｍそして厚さが６ｍｍの加硫ゴム試験片の、厚みの１／２の位置に、２．５ｍｍの深さの切込みを試験片の両側から、図４に例示するように形成する場合の、切込みの形成精度を、カッターナイフを用いた従来技術による場合と、図示の発明装置を用いた場合とのそれぞれについて求めたところ表１に示す結果を得た。
なお表１中の数値は、切込みの深さ、および、切込み位置を１０倍の倍率を有するマイクロスコープによって測定することにより求めた。 FIG. 4 illustrates a notch of 2.5 mm depth from both sides of the test piece at a position 1/2 the thickness of a vulcanized rubber test piece having a width of 10 mm, a length of 150 mm and a thickness of 6 mm. In the case of forming in this way, the incision forming accuracy was determined for each of the case of the conventional technique using a cutter knife and the case of using the illustrated inventive apparatus, and the results shown in Table 1 were obtained.
The numerical values in Table 1 were obtained by measuring the depth of cut and the cut position with a microscope having a magnification of 10 times.

Figure 2010054226
Figure 2010054226

表１に示すところによれば、発明装置を用いて切込みを形成する場合は、従来技術に比して、切込み形成精度を大きく高め得ることが明らかであり、この結果として、接着強度等の物性の測定結果に対する信頼性を大きく高め得ることが解かる。   According to the results shown in Table 1, it is clear that when the incision is formed using the inventive device, the accuracy of the incision formation can be greatly increased as compared with the prior art. As a result, the physical properties such as the adhesive strength can be obtained. It can be seen that the reliability of the measurement results can be greatly improved.

以上、試料台４と、刃物台５，６との、ゴム試験片の長さ方向への相対変位を、固定配置した刃物台５，６に対し、試料台４を変位させることによって行う場合について述べたが、同様の相対変位は、固定した試料台４に対して刃物台５，６を変位させることによって行うこともでき、また、それらの両者をともに変位させることによって行うこともできる。   As described above, the relative displacement in the length direction of the rubber test piece between the sample stage 4 and the tool rests 5 and 6 is performed by displacing the sample stage 4 with respect to the fixedly arranged tool rests 5 and 6. As described above, the same relative displacement can also be performed by displacing the tool rests 5 and 6 with respect to the fixed sample stage 4, or by displacing both of them together.

なお、このような相対変位置は、ブラケットに設けたガイドロッドによることなく、ベースプレート１上に配設したガイドレール等の作用の下で行われることもできる。
そしてまた、図では刃物台５，６に設けた昇降機構部を試料台４に設けることも可能である。 Note that such a relative displacement position can also be performed under the action of a guide rail or the like disposed on the base plate 1 without using a guide rod provided on the bracket.
In the drawing, the lifting mechanism provided on the tool rests 5 and 6 can also be provided on the sample table 4.

この発明の実施の形態を示す斜視図である。It is a perspective view which shows embodiment of this invention. 図１の部分断面側面図である。It is a partial cross section side view of FIG. 図２のIII−III線に沿う断面図である。It is sectional drawing which follows the III-III line of FIG. 図示の装置で切込みを形成したゴム試験片を示す斜視図である。It is a perspective view which shows the rubber test piece which formed the notch | incision with the apparatus of illustration.

符号の説明Explanation of symbols

１ ベースプレート
２ ブラケット
３ａ，３ｂ ガイドロッド
４ 試料台
４ａ 窪み部
５，６ 刃物台
７，８ カッター
９ 試料押え
１１ガイドローラ DESCRIPTION OF SYMBOLS 1 Base plate 2 Bracket 3a, 3b Guide rod 4 Sample base 4a Recessed part 5, 6 Tool post 7, 8 Cutter 9 Sample presser 11 Guide roller

Claims (6)

短冊状のゴム試験片を平坦姿勢で載置する試料台を設けるとともに、ゴム試験片の各側部への切込み形成用のカッターを、ゴム試験片の厚み方向の所定位置に保持する一対の刃物台を、試料台の各側部に配設し、試料台と、一対の刃物台とをゴム試験片の長さ方向に相対変位可能としてなる、ゴム試験片への切込み形成装置。   A pair of blades that provide a sample table for placing a strip-shaped rubber test piece in a flat position and hold a cutter for forming a cut in each side of the rubber test piece at a predetermined position in the thickness direction of the rubber test piece An incision forming device for a rubber test piece in which a stage is disposed on each side of the sample stage, and the sample stage and a pair of tool rests can be relatively displaced in the length direction of the rubber test piece. 試料台および、一対の刃物台の少なくとも一方を、試料台に載置されるゴム試験片の長さ方向に移動可能としてなる請求項１に記載のゴム試験片への切込み形成装置。   2. The notch forming device for a rubber test piece according to claim 1, wherein at least one of the sample stage and the pair of tool rests is movable in a length direction of the rubber test piece placed on the sample stage. ゴム試験片を試料台上に位置決め保持する試料押えを設けてなる請求項１もしくは２に記載のゴム試験片への切込み形成装置。   3. A notch forming device for a rubber test piece according to claim 1, further comprising a sample presser for positioning and holding the rubber test piece on the sample stage. 試料押えの上面レベルを特定するガイドローラを設けてなる請求項３に記載のゴム試験片への切込み形成装置。   The incision forming apparatus for a rubber test piece according to claim 3, wherein a guide roller for specifying the upper surface level of the sample presser is provided. 一対の刃物台もしくは試料台の昇降機構部を設けてなる請求項１〜４のいずれかに記載のゴム試験片への切込み形成装置。   The apparatus for forming a cut in a rubber test piece according to any one of claims 1 to 4, wherein a lifting mechanism for a pair of tool rests or a sample stage is provided. 各刃物台の、試料台に対する進退機構部を設けてなる請求項１〜５のいずれかに記載のゴム試験片への切込み形成装置。   The incision forming apparatus for a rubber test piece according to any one of claims 1 to 5, wherein each tool rest is provided with an advancing / retreating mechanism section with respect to the sample stage.
JP2008216764A 2008-08-26 2008-08-26 Device for forming notch in rubber specimen Pending JP2010054226A (en)

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