WO2016174940A1 - 引っ掻き摩耗試験装置および方法 - Google Patents
引っ掻き摩耗試験装置および方法 Download PDFInfo
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- WO2016174940A1 WO2016174940A1 PCT/JP2016/057531 JP2016057531W WO2016174940A1 WO 2016174940 A1 WO2016174940 A1 WO 2016174940A1 JP 2016057531 W JP2016057531 W JP 2016057531W WO 2016174940 A1 WO2016174940 A1 WO 2016174940A1
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- WIPO (PCT)
- Prior art keywords
- rubber sample
- contact member
- rubber
- belt body
- scratch
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0694—Temperature
Definitions
- the present invention relates to a scratch wear test apparatus and method, and more particularly to a scratch wear test apparatus and method capable of accurately predicting the scratch wear resistance of an upper cover rubber of a conveyor belt in actual use. .
- a DIN abrasion tester and a Williams abrasion tester are known as testers for evaluating the wear resistance of rubber.
- These wear testing machines are not testing machines for grasping scratch wear. Therefore, in order to accurately predict the scratch wear resistance of the upper cover rubber of the conveyor belt in actual use, a testing machine with a new specification has been required.
- An object of the present invention is to provide a scratch wear test apparatus and method capable of accurately predicting the scratch wear resistance of the upper cover rubber of a conveyor belt in actual use.
- a scratch wear test apparatus includes a pair of pulleys, an annular belt body stretched between the pair of pulleys, and a rubber sample fixed to the outer peripheral surface of the belt body.
- a contact member having a sharp tip that can contact the surface of the rubber sample; a pressing mechanism that presses the tip of the contact member against the surface of the rubber sample; and a weight member that changes a pressing load applied by the contact member.
- the contact member has a plurality of types of contact members having different tip specifications, and a contact member that presses the surface of the rubber sample from the plurality of types of contact members. Arbitrarily selected, the selected contact member is pressed against the surface of the rubber sample.
- an annular belt body having a rubber sample fixed on the outer peripheral surface is stretched between a pair of pulleys, and a contact member having a pointed tip by a pressing mechanism with respect to the surface of the rubber sample
- a wear test method for pressing the rubber sample wherein when testing, the running speed of the rubber sample is set to a desired speed, the pressing load by the contact member is set to a desired pressing load by a weight member, and the contact A desired contact member is selected from a plurality of types of contact members having different specifications of the tip that contacts the surface of the rubber sample provided as a member, and the selected contact member is pressed against the surface of the rubber sample.
- the travel speed of the rubber sample and the pressing load by the contact member can be set to desired settings.
- tip of a desired specification can be pressed on the surface of the said rubber sample.
- a rubber sample fixed to the outer periphery of the annular belt body is used, when testing the abrasion resistance of a rubber sample having the same specifications as the rubber used for the upper cover rubber of the conveyor belt, Evaluation can be performed under conditions similar to the actual usage environment. Therefore, it is possible to accurately predict the scratch wear resistance of the upper cover rubber of the conveyor belt in actual use. In addition, the influence of tension on the scratch resistance of the conveyor belt can be grasped.
- the rubber sample of an arbitrary period It becomes possible to quickly grasp the amount of scratch wear. Moreover, the amount of scratch wear can be grasped without removing the rubber sample from the pair of pulleys.
- a support portion for supporting the inner peripheral surface of the belt body is provided between the pair of pulleys, and the contact member is arranged at a position where the support portion supports the belt body and a position where the belt body is not supported.
- the scratch wear test apparatus of the present invention can also include a load sensor that sequentially detects the pressing load acting on the contact member and the running direction load of the rubber sample. This makes it possible to grasp the dynamic friction coefficient of the rubber sample.
- a temperature sensor for detecting the surface temperature of the rubber sample can be provided. Thereby, the surface temperature change of the rubber sample under evaluation can be measured, and the energy generated when the rubber sample is worn can be grasped.
- FIG. 1 is an explanatory view illustrating the scratch wear test apparatus of the present invention in a front view.
- FIG. 2 is a cross-sectional view taken along the line AA in FIG.
- FIG. 3 is an explanatory view schematically illustrating the cross-sectional shape in the width direction of the surface of the rubber sample detected by the shape sensor.
- FIG. 4 is an explanatory view showing another embodiment of the scratch wear test apparatus in a front view.
- FIG. 5 is an explanatory view showing still another embodiment of the scratch wear test apparatus in a front view.
- FIG. 6 is an explanatory view illustrating a conveyor belt line in a simplified manner.
- 7 is a cross-sectional view taken along the line BB of FIG.
- the conveyed product S conveyed by another conveyor belt 18 is input to the conveyor belt 12 and conveyed to the conveyance destination by this conveyor belt 12. .
- the conveyed product S may be put into the conveyor belt 12 through a hopper or the like.
- the conveyor belt 12 is stretched between pulleys 16a and 16b and is stretched with a predetermined tension.
- the conveyor belt 12 is composed of a core body layer 13 composed of a core body such as a canvas or a steel cord, and an upper cover rubber 14 and a lower cover rubber 15 sandwiching the core body layer 13.
- the core body layer 13 is a member that bears a tension for tensioning the conveyor belt 12.
- the lower cover rubber 15 is supported by the support roller 17 on the carrier side of the conveyor belt 12, and the upper cover rubber 14 is supported by the support roller 17 on the return side.
- Three support rollers 17 are arranged in the belt width direction on the carrier side of the conveyor belt 12, and the conveyor belt 12 is supported in a concave shape at a predetermined trough angle a by these support rollers 17.
- the driving pulley 16a is rotationally driven, the conveyor belt 12 operates at a predetermined traveling speed V in one direction.
- the conveyed product S is put on the upper cover rubber 14, loaded on the upper cover rubber 14, and conveyed.
- a scratch wear test apparatus 1 (hereinafter referred to as “test apparatus 1”) of the present invention illustrated in FIGS. 1 to 2 includes a pair of pulleys 7a and 7b, a contact member 4, and an arm to which the contact member 4 is detachably attached. It comprises a part 3, a weight member 5 that is detachably attached to the arm part 3, and a control part 6a. Furthermore, in this embodiment, the casing in which the shape sensor 9a, the calculation unit 11, the support unit 17a, the load sensor 9b, the temperature sensor 9c, the heating plate 10a, and the above-described components excluding the control unit 6a and the calculation unit 11 are provided. 10.
- the heating plate 10a has a wider specification than the rubber sample R, and can heat and maintain the rubber sample R at a desired temperature. If the rubber sample R can be set to a desired temperature by maintaining the internal space at a desired temperature using a so-called thermostat as the casing 10, the heating plate 10a can be omitted. In addition to the temperature, the casing 10 that can maintain the internal space at a desired humidity can be employed.
- the pulleys 7a and 7b are rotatably supported by a support base 8 provided upright on the base 2a. At least one of the pulleys 7a and 7b moves horizontally, and the distance between the pulleys 7a and 7b is variable.
- One pulley 7 a is rotationally driven by the drive motor 6.
- the other pulley 7b rotates freely.
- the rotation speed of the pulley 7a is variable and can be set to a desired rotation speed. This rotational speed is controlled by the controller 6a.
- the pulley 7a and the drive motor 6 can be configured to transmit driving force by a transmission mechanism such as a gear or a belt.
- An annular belt B is stretched between the pulley 7a and the pulley 7b.
- a rubber sample R is fixed to the outer peripheral surface of the belt body B.
- a recess is provided on the outer peripheral side of the belt body B, and the rubber sample R is fitted into the recess.
- the outer peripheral surface of the belt body B and the rubber sample R can be integrated by friction generated between each other, or can be integrated by an adhesive applied between each other.
- the rubber sample R can be integrated by being vulcanized and bonded to the outer peripheral surface of the belt body B.
- a flat plate-like support portion 17a that supports the inner peripheral surface of the belt body B is provided between the pulley 7a and the pulley 7b.
- the support portion 17a is optionally provided as necessary.
- the arm portion 3 is pivotally supported by a rotary shaft 3b so as to be rotatable in the vertical direction with respect to a post 2b erected on the base 2a.
- a pin 5 c is provided at one longitudinal end of the arm portion 3.
- the pin 5c and the weight member 5 are connected via a pulley 5b by a wire 5a.
- the arm portion 3, the wire 5a, and the pulley 5b constitute a pressing mechanism that presses the contact member 4 against the surface of the rubber sample R as described later.
- the contact member 4 is attached to the arm portion 3 so as to be in contact with the surface of the rubber sample R. More specifically, the contact member 4 is detachably attached to the holding portion 3a fixed to the other end portion of the arm portion 3 in the longitudinal direction.
- the contact member 4 includes a plurality of types having different specifications (shape, hardness, material, etc.) of the tip that contacts the surface of the rubber sample R. That is, a contact member 4 (4a, 4b, 4c) having a contact surface with a specification similar to the surface of the conveyed product S conveyed by the conveyor belt 12 having the upper cover rubber 14 of the same specification as the rubber sample R is provided. .
- a plurality of types of contact members 4 having contact surfaces similar to these are provided.
- An arbitrary contact member 4 is selected from a plurality of types of contact members 4 (4a, 4b, 4c) and attached to the holding portion 3a.
- the weight member 5 is detachably attached to the end of the wire 5a, and the number, type, and the like of the weight member 5 to be attached can be appropriately changed. Due to the load of the weight member 5, the pin 5c connected to the wire 5a is lifted upward, and the arm portion 3 is pivoted up and down around the rotation shaft 3b located in the middle of the longitudinal direction of the arm portion 3. To do. Along with this, the contact member 4 presses the surface of the rubber sample R.
- the arm part 3, the wire 5a, and the pulley 5b comprise the press mechanism, if the contact member 4 can be pressed on the surface of the rubber sample R, another press mechanism can be employ
- the weight member 5 only needs to change the pressing load applied to the rubber sample R by the contact member 4. That is, the pressing force of the contact member 4 against the surface of the rubber sample R can be changed depending on the weight of the weight member 5.
- the shape sensor 9a is attached to the casing 10, for example, and detects the cross-sectional shape of the surface of the rubber sample R. Data detected by the shape sensor 9 a is input to the calculation unit 11.
- Various sensors can be used as the shape sensor 9a. For example, a sensor that detects the distance by receiving laser light irradiated on the surface of the rubber sample R is used.
- the load sensor 9 b is attached to the lower surface of the other end portion in the longitudinal direction of the arm portion 3.
- the load sensor 9b sequentially detects the pressing load acting on the contact member 4 and the traveling direction load of the annular belt body B stretched between the pulleys 7a and 7b. That is, the vertical load and the horizontal load acting on the contact member 4 pressing the belt body B (rubber sample R) are sequentially detected by the load sensor 9b.
- the temperature sensor 9c sequentially detects the surface temperature of the rubber sample R. Data detected by the load sensor 9b and the temperature sensor 9c is input to the control unit 6a.
- the rubber sample R to be evaluated is fixed to the outer peripheral surface of the annular belt body B stretched between the pulleys 7a and 7b, and the drive motor 6 is driven to rotate. At this time, the belt body B (rubber sample R) is stretched with a desired tension by adjusting the distance between the pulleys 7a and 7b. Further, the traveling speed of the belt body B is set to a desired speed, and the pressing load on the surface of the rubber sample R of the contact member 4 by the pressing mechanism is set to a desired pressing load by the weight member 5.
- the contact member 4 selects a desired contact member from a plurality of types of contact members 4 (4a, 4b, 4c) and attaches it to the holding portion 3a. Thereby, while pressing the desired contact member 4 on the surface of the rubber sample R, the cross-sectional shape of the surface of the rubber sample R is detected by the shape sensor 9a. In this embodiment, the contact member 4 presses the surface of the rubber sample R at a position directly above the support portion 17a. Since the rubber sample R travels while being continuously pressed by the contact member 4 with a predetermined pressing load, the surface is scratched by the contact member 4 having a sharp tip and is worn in a streak shape.
- the rubber sample R to be evaluated can be evaluated under conditions similar to the actual usage environment of the conveyor belt 12. That is, the traveling speed of the annular belt body B (rubber sample R) stretched between the pulleys 7a and 7b is equal to the horizontal speed of the conveyed product S when it is put into the conveyor belt 12, and the horizontal speed of the conveyor belt 12. The difference from the traveling speed in the direction, that is, the relative speed in the horizontal direction between the conveyor belt 12 and the loaded material S is set to the same condition.
- the pressing load by the contact member 4 is set to a condition equivalent to the pressing load that the conveyor belt 12 receives from the transported object S according to the input weight of the transported object S per unit time, the input height, and the like.
- the annular belt body B since the annular belt body B is used, the conditions can be made very similar to the actual usage environment of the conveyor belt 12. Therefore, it is possible to accurately predict the scratch wear resistance of the upper cover rubber 14 (rubber sample R) of the conveyor belt 12 in actual use. The influence of the tension on the scratch resistance of the rubber sample R can also be grasped.
- the calculation unit 11 calculates the scratch wear amount of the rubber sample R based on the detection data by the shape sensor 9a. Specifically, as shown in FIG. 3, the vertical displacement H between the surface R1 at the previous detection and the surface R2 at the current detection is obtained, and the numerical value is integrated in the width direction section of the rubber sample R. The amount of scratch wear (area of the hatched portion) of the rubber sample R in the detection cross section can be calculated. By performing this calculation for the entire circumference in the longitudinal direction of the rubber sample R, the amount of scratch wear in the entire rubber sample R can be calculated. Alternatively, the scratch wear amount per unit length of the rubber sample R is calculated. Thus, it becomes possible to quickly grasp the amount of scratch wear of the rubber sample R at an arbitrary position (range) in an arbitrary period.
- the weight of the rubber sample R is measured before and after the rubber sample R is scratched by the contact member 4, and the wear amount is calculated based on the difference in the measured weight. It was. At this time, it was necessary to remove the rubber sample R from the pair of pulleys 7a and 7b. In particular, if the pulleys 7a and 7b are pivotally supported by a double-supported structure, a large number of man-hours are required for the work of removing the rubber sample R. However, according to the test apparatus 1, it is possible to grasp the amount of scratch wear without removing the rubber sample R from the pair of pulleys 7a. Therefore, the working efficiency is remarkably improved.
- each of the pulleys 7a and 7b is pivotally supported by a cantilever structure, but can be configured to be pivotally supported by a both-end support structure. If each pulley 7a, 7b has a double-sided structure, the belt body B (rubber sample R) can run more stably. In addition, since most of the pulleys of an actual conveyor device have a double-sided structure, the conditions can be made more similar to the actual usage environment of the conveyor belt. If each pulley 7a, 7b has a double-sided structure, the man-hour required to remove the rubber sample R from the pair of pulleys 7a, 7b increases as described above. Can be reduced.
- the belt body B and the rubber sample R are made non-adhering so that they can be separated from each other, there is an advantage that only the used rubber sample R needs to be replaced and the belt body B can be used repeatedly. Further, when the amount of scratching of the rubber sample R is grasped, if the position in the longitudinal direction of the rubber sample R is divided in the belt width direction, only the rubber sample R can be easily removed from the pair of pulleys 7a and 7b. Therefore, the scratch wear amount of the rubber sample R can be grasped based on the measured weight of the rubber sample R without requiring a great number of man-hours without using the shape sensor 9a.
- the contact member 4 is not supported by the position where the support portion 17a supports the belt body B and the belt body B. It can be pressed against the surface of the rubber sample R depending on the position. Thereby, it is possible to grasp the difference in scratch wear resistance (wear amount, wear state, etc.) of the rubber sample R at the two positions. Therefore, the scratch wear resistance of the upper cover rubber 14 (rubber sample R) of the conveyor belt 12 in actual use can be predicted with higher accuracy.
- the pressing load (that is, the vertical load) acting on the contact member 4 and the running direction load (that is, the horizontal load) of the rubber sample R are sequentially detected. Therefore, it is possible to grasp the dynamic friction coefficient of the rubber sample R based on the detection data.
- the external environment temperature of the rubber sample R can be set to a desired temperature. Therefore, it becomes possible to perform evaluation under conditions that are more similar to the actual usage environment of the conveyor belt 12. Further, by performing the evaluation while varying the external environment temperature and the temperature of the rubber sample R, the temperature dependence of the scratch wear resistance of the rubber sample R can be grasped.
- the temperature sensor 9c since the temperature sensor 9c is provided, it is possible to measure the surface temperature change of the rubber sample R under evaluation. Since heat energy is generated when the rubber sample R is worn, it is possible to grasp the energy when worn by the temperature measurement result by the temperature sensor 9c. Since the magnitude of this energy varies depending on the type of rubber, the temperature measurement result is useful, for example, in selecting a rubber type that can reduce this energy.
- the support portion 17 a that supports the inner peripheral surface of the annular belt body B between the pulley 7 a and the pulley 7 b can move in the traveling direction of the belt body B. It is a mechanism that can be fixed at any position moved.
- Other basic configurations are the same as in the previous embodiment.
- As the support portion 17a not only a flat plate shape but also a support roller can be used as in this embodiment. Since the support portion 17a can move, the span (the support length of the belt body B pressed by the contact member 4) can be changed. Accordingly, when the contact member 4 is pressed against the surface of the rubber sample R at the position where the support portion 17a does not support the belt body B, the influence of the span on the scratch wear resistance can also be grasped.
- the mechanism which makes the support part 17a movable is not specifically limited.
- a mechanism that can move steplessly or a mechanism that can move stepwise may be used.
- As a mechanism for making the support portion 17a movable for example, there is a method of setting a rail on the base 2a so that the support portion 17a can slide on the rail.
- the pressing mechanism of this embodiment has a plurality of weight members 5 placed on the contact member 4. Specifically, the base 3d to which the holding portion 3a attached to the upper end of the contact member 4 is attached, the support 3e standing upward from the base 3d, and a plurality of weight members 5 through which the support 3e passes. A pressing mechanism is configured. These weight members 5 are placed on the base 3d in a stacked state. The base 3d is held by another member so as not to be displaced in the horizontal direction.
- substantially the total weight of the base 3d, the column 3e and the weight member 5 acts on the surface of the rubber sample R via the contact member 4. Therefore, the pressing force on the surface of the rubber sample R can be changed by varying the number of weight members 5 and the weight of each weight member 5.
- the pressing mechanism since the rubber sample R is substantially only subjected to a vertical downward load and hardly fluctuates up and down, the vertical vibration of the rubber sample R accompanying the running of the rubber sample R is effectively suppressed. can do. From this point of view, high-precision measurement with less noise can be performed, which is advantageous for predicting the scratch wear resistance and dynamic friction coefficient of the rubber sample R with higher accuracy. Furthermore, there is an advantage that the pressing mechanism can be simplified.
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Abstract
Description
2a ベース
2b ポスト
2c 可動台
3 アーム部
3a 保持部
3b 回転軸
3c 軸孔
3d 基台
3e 支柱
4(4a、4b、4c) 接触部材
5 錘部材
5a ワイヤー
5b 滑車
5c 接続部材
6 駆動モータ
6a 制御部
7a、7b プーリ
8 支持台
9a 形状センサ
9b 荷重センサ
9c 温度センサ
10 ケーシング(温調機構)
10a 加熱板(温調機構)
11 演算部
12 コンベヤベルト
13 心体層
14 上カバーゴム
15 下カバーゴム
16a、16b プーリ
17 支持ローラ
17a 支持部
18 別のコンベヤベルト
B ベルト体
R ゴムサンプル
R1 前回検知時のゴムサンプルの表面
R2 今回検知時のゴムサンプルの表面
S 搬送物
Claims (9)
- 一対のプーリと、この一対のプーリの間に張設される環状のベルト体と、このベルト体の外周面に固定されるゴムサンプルと、このゴムサンプルの表面に接触可能な先端が尖った接触部材と、この接触部材の先端を前記ゴムサンプルの表面に押圧する押圧機構と、前記接触部材による押圧荷重を変化させる錘部材とを備え、前記ゴムサンプルの走行速度を可変にするとともに、前記接触部材として、先端の仕様が異なる複数種類の接触部材を有し、この複数種類の接触部材から前記ゴムサンプルの表面を押圧する接触部材が任意に選択され、選択された接触部材を前記ゴムサンプルの表面に押圧する構成にしたことを特徴とする引っ掻き摩耗試験装置。
- 前記ゴムサンプルの表面の断面形状を検知する形状センサと、この形状センサによる検知データに基づいて前記ゴムサンプルの引っ掻き摩耗量を算出する演算部とを備えた請求項1に記載の引っ掻き摩耗試験装置。
- 前記一対のプーリ間に前記ベルト体の内周面を支持する支持部を設け、前記接触部材を、前記支持部が前記ベルト体を支持する位置と、前記ベルト体を支持しない位置とで前記ゴムサンプルの表面に押圧できる構成にした請求項1または2に記載の引っ掻き摩耗試験装置。
- 前記接触部材に作用する前記押圧荷重および前記ゴムサンプルの走行方向荷重を逐次検知する荷重センサを備える請求項1~3のいずれかに記載の引っ掻き摩耗試験装置。
- 前記ゴムサンプルの外部環境温度を可変にする温調機構を備える請求項1~4のいずれかに記載の引っ掻き摩耗試験装置。
- 前記ゴムサンプルの表面温度を検知する温度センサを備える請求項1~5のいずれかに記載の引っ掻き摩耗試験装置。
- 外周面にゴムサンプルを固定した環状のベルト体を一対のプーリの間に張設し、このゴムサンプルの表面に対して、押圧機構によって先端が尖った接触部材を押圧する摩耗試験方法であって、試験する際には、前記ゴムサンプルの走行速度を所望の速度に設定し、前記接触部材による押圧荷重を錘部材によって所望の押圧荷重に設定し、前記接触部材として備えている前記ゴムサンプルの表面と接触する先端の仕様が異なる複数種類の接触部材から所望の接触部材を選択し、選択した接触部材を前記ゴムサンプルの表面に押圧することを特徴とする引っ掻き摩耗試験方法。
- 前記ゴムサンプルの表面の断面形状を形状センサにより検知し、この形状センサによる検知データに基づいて前記ゴムサンプルの引っ掻き摩耗量を演算部により算出する請求項7に記載の引っ掻き摩耗試験方法。
- 前記一対のプーリ間で前記ベルト体の内周面を支持部により支持し、前記接触部材を、前記支持部が前記ベルト体を支持する位置と、前記ベルト体を支持しない位置とで前記ゴムサンプルの表面に押圧させる請求項7または8に記載の引っ掻き摩耗試験方法。
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| US10620098B2 (en) * | 2017-07-11 | 2020-04-14 | Covestro Llc | Apparatus and methods for testing components under force |
| CN109612861B (zh) * | 2018-12-06 | 2021-06-15 | 祝汪林 | 一种纺织布料耐磨性测试机 |
| CN109975148B (zh) * | 2019-01-15 | 2024-01-26 | 中信戴卡股份有限公司 | 一种自动沙粒磨损装置 |
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| EP3290903B1 (en) | 2019-12-25 |
| JP5991404B1 (ja) | 2016-09-14 |
| CN107532982A (zh) | 2018-01-02 |
| EP3290903A4 (en) | 2019-01-02 |
| AU2016253804B2 (en) | 2018-09-13 |
| CN107532982B (zh) | 2020-09-22 |
| US20200333227A1 (en) | 2020-10-22 |
| CN111879646A (zh) | 2020-11-03 |
| US11231353B2 (en) | 2022-01-25 |
| RU2017134825A3 (ja) | 2019-04-04 |
| US10732084B2 (en) | 2020-08-04 |
| EP3290903A1 (en) | 2018-03-07 |
| RU2017134825A (ru) | 2019-04-04 |
| AU2016253804A1 (en) | 2017-10-19 |
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